TRACKING APP: TrackingActivity: ViewPager-layout

2026-10-27 14:27:15 +00:00 · 2014-12-09 17:57:39 +01:00
1 parent e1a96acdd5
commit 90096300df
@@ -0,0 +1,24 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2010 The Android Open Source Project
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_enabled="false" android:color="@color/vpi__bright_foreground_disabled_holo_dark"/>
    <item android:state_window_focused="false" android:color="@color/vpi__bright_foreground_holo_dark"/>
    <item android:state_pressed="true" android:color="@color/vpi__bright_foreground_holo_dark"/>
    <item android:state_selected="true" android:color="@color/vpi__bright_foreground_holo_dark"/>
    <!--item android:state_activated="true" android:color="@color/vpi__bright_foreground_holo_dark"/-->
    <item android:color="@color/vpi__bright_foreground_holo_dark"/> <!-- not selected -->
 </selector>
@@ -0,0 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2010 The Android Open Source Project
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_enabled="false" android:color="@color/vpi__bright_foreground_disabled_holo_light"/>
    <item android:state_window_focused="false" android:color="@color/vpi__bright_foreground_holo_light"/>
    <item android:state_pressed="true" android:color="@color/vpi__bright_foreground_holo_light"/>
    <item android:state_selected="true" android:color="@color/vpi__bright_foreground_holo_light"/>
    <!--item android:state_activated="true" android:color="@color/vpi__bright_foreground_holo_light"/-->
    <item android:color="@color/vpi__bright_foreground_holo_light"/> <!-- not selected -->
 </selector>
@@ -0,0 +1,34 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2008 The Android Open Source Project
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- Non focused states -->
    <item android:state_focused="false" android:state_selected="false" android:state_pressed="false" android:drawable="@drawable/vpi__tab_unselected_holo" />
    <item android:state_focused="false" android:state_selected="true"  android:state_pressed="false" android:drawable="@drawable/vpi__tab_selected_holo" />
    <!-- Focused states -->
    <item android:state_focused="true" android:state_selected="false" android:state_pressed="false" android:drawable="@drawable/vpi__tab_unselected_focused_holo" />
    <item android:state_focused="true" android:state_selected="true"  android:state_pressed="false" android:drawable="@drawable/vpi__tab_selected_focused_holo" />
    <!-- Pressed -->
    <!--    Non focused states -->
    <item android:state_focused="false" android:state_selected="false" android:state_pressed="true" android:drawable="@drawable/vpi__tab_unselected_pressed_holo" />
    <item android:state_focused="false" android:state_selected="true"  android:state_pressed="true" android:drawable="@drawable/vpi__tab_selected_pressed_holo" />
    <!--    Focused states -->
    <item android:state_focused="true" android:state_selected="false" android:state_pressed="true" android:drawable="@drawable/vpi__tab_unselected_pressed_holo" />
    <item android:state_focused="true" android:state_selected="true"  android:state_pressed="true" android:drawable="@drawable/vpi__tab_selected_pressed_holo" />
 </selector>
@@ -180,7 +180,7 @@
        android:id="@+id/stop_tracking_box"
        android:layout_width="fill_parent"
        android:layout_height="60dp"
-        android:layout_above="@id/bottomLayout"
+        android:layout_alignParentBottom="true"
        android:background="@color/gray" >
        <View
@@ -204,22 +204,4 @@
            android:textStyle="bold" />
    </RelativeLayout>
    <RelativeLayout
        android:id="@+id/bottomLayout"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:background="@color/darker_gray" >
        <com.sap.sailing.android.tracking.app.customviews.OpenSansTextView
            android:id="@+id/bottom_announcement"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true"
            android:layout_centerVertical="true"
            android:gravity="center"
            android:textColor="@color/white" />
    </RelativeLayout>
 </RelativeLayout>
@@ -36,8 +36,18 @@
        android:id="@+id/pager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
-        android:layout_below="@id/toolbar" />
+        android:layout_below="@id/toolbar"
        android:layout_above="@+id/title_page_indicator" 
        />
    <com.viewpagerindicator.CirclePageIndicator
        android:id="@+id/title_page_indicator"
        android:paddingTop="10dp"
        android:paddingBottom="10dp"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="#00000000"
        android:layout_alignParentBottom="true"/>
 	<!-- <FrameLayout
        android:layout_width="match_parent"
@@ -179,7 +179,7 @@
        android:id="@+id/stop_tracking_box"
        android:layout_width="fill_parent"
        android:layout_height="100dp"
-        android:layout_above="@id/bottomLayout"
+        android:layout_alignParentBottom="true"
        android:background="@color/gray" >
        <View
@@ -202,23 +202,4 @@
            android:textAllCaps="true"
            android:textStyle="bold" />
    </RelativeLayout>
    <RelativeLayout
        android:id="@+id/bottomLayout"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:background="@color/darker_gray" >
        <com.sap.sailing.android.tracking.app.customviews.OpenSansTextView
            android:id="@+id/bottom_announcement"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true"
            android:layout_centerVertical="true"
            android:gravity="center"
            android:textColor="@color/white" />
    </RelativeLayout>
 </RelativeLayout>
@@ -0,0 +1,129 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2012 Jake Wharton
     Copyright (C) 2011 Patrik Åkerfeldt
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
 <resources>
    <declare-styleable name="ViewPagerIndicator">
        <!-- Style of the circle indicator. -->
        <attr name="vpiCirclePageIndicatorStyle" format="reference"/>
        <!-- Style of the icon indicator's views. -->
        <attr name="vpiIconPageIndicatorStyle" format="reference"/>
        <!-- Style of the line indicator. -->
        <attr name="vpiLinePageIndicatorStyle" format="reference"/>
        <!-- Style of the title indicator. -->
        <attr name="vpiTitlePageIndicatorStyle" format="reference"/>
        <!-- Style of the tab indicator's tabs. -->
        <attr name="vpiTabPageIndicatorStyle" format="reference"/>
        <!-- Style of the underline indicator. -->
        <attr name="vpiUnderlinePageIndicatorStyle" format="reference"/>
    </declare-styleable>
    <attr name="centered" format="boolean" />
    <attr name="selectedColor" format="color" />
    <attr name="strokeWidth" format="dimension" />
    <attr name="unselectedColor" format="color" />
    <declare-styleable name="CirclePageIndicator">
        <!-- Whether or not the indicators should be centered. -->
        <attr name="centered" />
        <!-- Color of the filled circle that represents the current page. -->
        <attr name="fillColor" format="color" />
        <!-- Color of the filled circles that represents pages. -->
        <attr name="pageColor" format="color" />
        <!-- Orientation of the indicator. -->
        <attr name="android:orientation"/>
        <!-- Radius of the circles. This is also the spacing between circles. -->
        <attr name="radius" format="dimension" />
        <!-- Whether or not the selected indicator snaps to the circles. -->
        <attr name="snap" format="boolean" />
        <!-- Color of the open circles. -->
        <attr name="strokeColor" format="color" />
        <!-- Width of the stroke used to draw the circles. -->
        <attr name="strokeWidth" />
        <!-- View background -->
        <attr name="android:background"/>
    </declare-styleable>
    <declare-styleable name="LinePageIndicator">
        <!-- Whether or not the indicators should be centered. -->
        <attr name="centered" />
        <!-- Color of the unselected lines that represent the pages. -->
        <attr name="unselectedColor" />
        <!-- Color of the selected line that represents the current page. -->
        <attr name="selectedColor" />
        <!-- Width of each indicator line. -->
        <attr name="lineWidth" format="dimension" />
        <!-- Width of each indicator line's stroke. -->
        <attr name="strokeWidth" />
        <!-- Width of the gap between each indicator line. -->
        <attr name="gapWidth" format="dimension" />
        <!-- View background -->
        <attr name="android:background"/>
    </declare-styleable>
    <declare-styleable name="TitlePageIndicator">
        <!-- Screen edge padding. -->
        <attr name="clipPadding" format="dimension" />
        <!-- Color of the footer line and indicator. -->
        <attr name="footerColor" format="color" />
        <!-- Height of the footer line. -->
        <attr name="footerLineHeight" format="dimension" />
        <!-- Style of the indicator. Default is triangle. -->
        <attr name="footerIndicatorStyle">
            <enum name="none" value="0" />
            <enum name="triangle" value="1" />
            <enum name="underline" value="2" />
        </attr>
        <!-- Height of the indicator above the footer line. -->
        <attr name="footerIndicatorHeight" format="dimension" />
        <!-- Left and right padding of the underline indicator. -->
        <attr name="footerIndicatorUnderlinePadding" format="dimension" />
        <!-- Padding between the bottom of the title and the footer. -->
        <attr name="footerPadding" format="dimension" />
        <!-- Position of the line. -->
        <attr name="linePosition">
            <enum name="bottom" value="0"/>
            <enum name="top" value="1"/>
        </attr>
        <!-- Color of the selected title. -->
        <attr name="selectedColor" />
        <!-- Whether or not the selected item is displayed as bold. -->
        <attr name="selectedBold" format="boolean" />
        <!-- Color of regular titles. -->
        <attr name="android:textColor" />
        <!-- Size of title text. -->
        <attr name="android:textSize" />
        <!-- Padding between titles when bumping into each other. -->
        <attr name="titlePadding" format="dimension" />
        <!-- Padding between titles and the top of the View. -->
        <attr name="topPadding" format="dimension" />
        <!-- View background -->
        <attr name="android:background"/>
    </declare-styleable>
    <declare-styleable name="UnderlinePageIndicator">
        <!-- Whether or not the selected indicator fades. -->
        <attr name="fades" format="boolean" />
        <!-- Length of the delay to fade the indicator. -->
        <attr name="fadeDelay" format="integer" />
        <!-- Length of the indicator fade to transparent. -->
        <attr name="fadeLength" format="integer" />
        <!-- Color of the selected line that represents the current page. -->
        <attr name="selectedColor" />
        <!-- View background -->
        <attr name="android:background"/>
    </declare-styleable>
 </resources>
@@ -0,0 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2012 Jake Wharton
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
 <resources>
    <color name="vpi__background_holo_dark">#ff000000</color>
    <color name="vpi__background_holo_light">#fff3f3f3</color>
    <color name="vpi__bright_foreground_holo_dark">@color/vpi__background_holo_light</color>
    <color name="vpi__bright_foreground_holo_light">@color/vpi__background_holo_dark</color>
    <color name="vpi__bright_foreground_disabled_holo_dark">#ff4c4c4c</color>
    <color name="vpi__bright_foreground_disabled_holo_light">#ffb2b2b2</color>
    <color name="vpi__bright_foreground_inverse_holo_dark">@color/vpi__bright_foreground_holo_light</color>
    <color name="vpi__bright_foreground_inverse_holo_light">@color/vpi__bright_foreground_holo_dark</color>
 </resources>
@@ -0,0 +1,53 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2012 Jake Wharton
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
 <resources>
    <bool name="default_circle_indicator_centered">true</bool>
    <color name="default_circle_indicator_fill_color">#FFFFFFFF</color>
    <color name="default_circle_indicator_page_color">#00000000</color>
    <integer name="default_circle_indicator_orientation">0</integer>
    <dimen name="default_circle_indicator_radius">3dp</dimen>
    <bool name="default_circle_indicator_snap">false</bool>
    <color name="default_circle_indicator_stroke_color">#FFDDDDDD</color>
    <dimen name="default_circle_indicator_stroke_width">1dp</dimen>
    <dimen name="default_line_indicator_line_width">12dp</dimen>
    <dimen name="default_line_indicator_gap_width">4dp</dimen>
    <dimen name="default_line_indicator_stroke_width">1dp</dimen>
    <color name="default_line_indicator_selected_color">#FF33B5E5</color>
    <color name="default_line_indicator_unselected_color">#FFBBBBBB</color>
    <bool name="default_line_indicator_centered">true</bool>
    <dimen name="default_title_indicator_clip_padding">4dp</dimen>
    <color name="default_title_indicator_footer_color">#FF33B5E5</color>
    <dimen name="default_title_indicator_footer_line_height">2dp</dimen>
    <integer name="default_title_indicator_footer_indicator_style">2</integer>
    <dimen name="default_title_indicator_footer_indicator_height">4dp</dimen>
    <dimen name="default_title_indicator_footer_indicator_underline_padding">20dp</dimen>
    <dimen name="default_title_indicator_footer_padding">7dp</dimen>
    <integer name="default_title_indicator_line_position">0</integer>
    <color name="default_title_indicator_selected_color">#FFFFFFFF</color>
    <bool name="default_title_indicator_selected_bold">true</bool>
    <color name="default_title_indicator_text_color">#BBFFFFFF</color>
    <dimen name="default_title_indicator_text_size">15dp</dimen>
    <dimen name="default_title_indicator_title_padding">5dp</dimen>
    <dimen name="default_title_indicator_top_padding">7dp</dimen>
    <bool name="default_underline_indicator_fades">true</bool>
    <integer name="default_underline_indicator_fade_delay">300</integer>
    <integer name="default_underline_indicator_fade_length">400</integer>
    <color name="default_underline_indicator_selected_color">#FF33B5E5</color>
 </resources>
@@ -0,0 +1,47 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2011 Jake Wharton
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
 <resources>
    <style name="Theme.PageIndicatorDefaults" parent="android:Theme">
        <item name="vpiIconPageIndicatorStyle">@style/Widget.IconPageIndicator</item>
        <item name="vpiTabPageIndicatorStyle">@style/Widget.TabPageIndicator</item>
    </style>
    <style name="Widget">
    </style>
    <style name="Widget.TabPageIndicator" parent="Widget">
        <item name="android:gravity">center</item>
        <item name="android:background">@drawable/vpi__tab_indicator</item>
        <item name="android:paddingLeft">22dip</item>
        <item name="android:paddingRight">22dip</item>
        <item name="android:paddingTop">12dp</item>
        <item name="android:paddingBottom">12dp</item>
        <item name="android:textAppearance">@style/TextAppearance.TabPageIndicator</item>
        <item name="android:textSize">12sp</item>
        <item name="android:maxLines">1</item>
    </style>
    <style name="TextAppearance.TabPageIndicator" parent="Widget">
        <item name="android:textStyle">bold</item>
        <item name="android:textColor">@color/vpi__dark_theme</item>
    </style>
    <style name="Widget.IconPageIndicator" parent="Widget">
        <item name="android:layout_marginLeft">6dp</item>
        <item name="android:layout_marginRight">6dp</item>
    </style>
 </resources>
@@ -9,11 +9,10 @@ import android.os.IBinder;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentStatePagerAdapter;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.support.v4.view.ViewPager.OnPageChangeListener;
 import android.support.v7.widget.Toolbar;
 import com.google.android.gms.internal.cm;
 import com.sap.sailing.android.shared.logging.ExLog;
 import com.sap.sailing.android.tracking.app.BuildConfig;
 import com.sap.sailing.android.tracking.app.R;
@@ -28,11 +27,11 @@ import com.sap.sailing.android.tracking.app.services.TransmittingService.APIConn
 import com.sap.sailing.android.tracking.app.services.TransmittingService.APIConnectivityListener;
 import com.sap.sailing.android.tracking.app.services.TransmittingService.TransmittingBinder;
 import com.sap.sailing.android.tracking.app.ui.fragments.CompassFragment;
 import com.sap.sailing.android.tracking.app.ui.fragments.HudFragment;
 import com.sap.sailing.android.tracking.app.ui.fragments.TrackingFragment;
 import com.sap.sailing.android.tracking.app.utils.AppPreferences;
 import com.sap.sailing.android.tracking.app.utils.DatabaseHelper;
 import com.sap.sailing.android.tracking.app.valueobjects.EventInfo;
 import com.viewpagerindicator.CirclePageIndicator;
 public class TrackingActivity extends BaseActivity implements GPSQualityListener, APIConnectivityListener, MagneticHeadingListener {
@@ -100,6 +99,24 @@ public class TrackingActivity extends BaseActivity implements GPSQualityListener
        	compassFragment = new CompassFragment();
        }
        //Bind the title indicator to the adapter
        CirclePageIndicator titleIndicator = (CirclePageIndicator)findViewById(R.id.title_page_indicator);
        titleIndicator.setViewPager(mPager);
        titleIndicator.setOnPageChangeListener(new OnPageChangeListener() {
 			@Override
 			public void onPageSelected(int arg0) {
 			}
 			@Override
 			public void onPageScrolled(int arg0, float arg1, int arg2) {				
 			}
 			@Override
 			public void onPageScrollStateChanged(int arg0) {
 			}
 		});
        startTrackingService(eventId);
    }
@@ -127,11 +127,14 @@ public class TrackingFragment extends BaseFragment implements OnClickListener {
 	 * Update UI with a string containing the time since tracking started, e.g. 01:22:45
 	 */
 	public void updateTimer()
 	{
 		if (isAdded())
 {
 			long diff = System.currentTimeMillis() - prefs.getTrackingTimerStarted();
 			AutoResizeTextView textView = (AutoResizeTextView) getActivity().findViewById(R.id.tracking_time_label);
 			textView.setText(getTimeFormatString(diff));
 		}
 	}
 	/**
 	 * If last GPS update is too long ago, let's assume there's no signal and set quality to .noSignal
@@ -0,0 +1,556 @@
 /*
 * Copyright (C) 2011 Patrik Akerfeldt
 * Copyright (C) 2011 Jake Wharton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.viewpagerindicator;
 import static android.graphics.Paint.ANTI_ALIAS_FLAG;
 import static android.widget.LinearLayout.HORIZONTAL;
 import static android.widget.LinearLayout.VERTICAL;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.Paint.Style;
 import android.graphics.drawable.Drawable;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.support.v4.view.MotionEventCompat;
 import android.support.v4.view.ViewConfigurationCompat;
 import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewConfiguration;
 import com.sap.sailing.android.tracking.app.R;
 /**
 * Draws circles (one for each view). The current view position is filled and
 * others are only stroked.
 */
 public class CirclePageIndicator extends View implements PageIndicator {
    private static final int INVALID_POINTER = -1;
    private float mRadius;
    private final Paint mPaintPageFill = new Paint(ANTI_ALIAS_FLAG);
    private final Paint mPaintStroke = new Paint(ANTI_ALIAS_FLAG);
    private final Paint mPaintFill = new Paint(ANTI_ALIAS_FLAG);
    private ViewPager mViewPager;
    private ViewPager.OnPageChangeListener mListener;
    private int mCurrentPage;
    private int mSnapPage;
    private float mPageOffset;
    private int mScrollState;
    private int mOrientation;
    private boolean mCentered;
    private boolean mSnap;
    private int mTouchSlop;
    private float mLastMotionX = -1;
    private int mActivePointerId = INVALID_POINTER;
    private boolean mIsDragging;
    public CirclePageIndicator(Context context) {
        this(context, null);
    }
    public CirclePageIndicator(Context context, AttributeSet attrs) {
        this(context, attrs, R.attr.vpiCirclePageIndicatorStyle);
    }
    public CirclePageIndicator(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        if (isInEditMode()) return;
        //Load defaults from resources
        final Resources res = getResources();
        final int defaultPageColor = res.getColor(R.color.default_circle_indicator_page_color);
        final int defaultFillColor = res.getColor(R.color.default_circle_indicator_fill_color);
        final int defaultOrientation = res.getInteger(R.integer.default_circle_indicator_orientation);
        final int defaultStrokeColor = res.getColor(R.color.default_circle_indicator_stroke_color);
        final float defaultStrokeWidth = res.getDimension(R.dimen.default_circle_indicator_stroke_width);
        final float defaultRadius = res.getDimension(R.dimen.default_circle_indicator_radius);
        final boolean defaultCentered = res.getBoolean(R.bool.default_circle_indicator_centered);
        final boolean defaultSnap = res.getBoolean(R.bool.default_circle_indicator_snap);
        //Retrieve styles attributes
        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CirclePageIndicator, defStyle, 0);
        mCentered = a.getBoolean(R.styleable.CirclePageIndicator_centered, defaultCentered);
        mOrientation = a.getInt(R.styleable.CirclePageIndicator_android_orientation, defaultOrientation);
        mPaintPageFill.setStyle(Style.FILL);
        mPaintPageFill.setColor(a.getColor(R.styleable.CirclePageIndicator_pageColor, defaultPageColor));
        mPaintStroke.setStyle(Style.STROKE);
        mPaintStroke.setColor(a.getColor(R.styleable.CirclePageIndicator_strokeColor, defaultStrokeColor));
        mPaintStroke.setStrokeWidth(a.getDimension(R.styleable.CirclePageIndicator_strokeWidth, defaultStrokeWidth));
        mPaintFill.setStyle(Style.FILL);
        mPaintFill.setColor(a.getColor(R.styleable.CirclePageIndicator_fillColor, defaultFillColor));
        mRadius = a.getDimension(R.styleable.CirclePageIndicator_radius, defaultRadius);
        mSnap = a.getBoolean(R.styleable.CirclePageIndicator_snap, defaultSnap);
        Drawable background = a.getDrawable(R.styleable.CirclePageIndicator_android_background);
        if (background != null) {
          setBackgroundDrawable(background);
        }
        a.recycle();
        final ViewConfiguration configuration = ViewConfiguration.get(context);
        mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    }
    public void setCentered(boolean centered) {
        mCentered = centered;
        invalidate();
    }
    public boolean isCentered() {
        return mCentered;
    }
    public void setPageColor(int pageColor) {
        mPaintPageFill.setColor(pageColor);
        invalidate();
    }
    public int getPageColor() {
        return mPaintPageFill.getColor();
    }
    public void setFillColor(int fillColor) {
        mPaintFill.setColor(fillColor);
        invalidate();
    }
    public int getFillColor() {
        return mPaintFill.getColor();
    }
    public void setOrientation(int orientation) {
        switch (orientation) {
            case HORIZONTAL:
            case VERTICAL:
                mOrientation = orientation;
                requestLayout();
                break;
            default:
                throw new IllegalArgumentException("Orientation must be either HORIZONTAL or VERTICAL.");
        }
    }
    public int getOrientation() {
        return mOrientation;
    }
    public void setStrokeColor(int strokeColor) {
        mPaintStroke.setColor(strokeColor);
        invalidate();
    }
    public int getStrokeColor() {
        return mPaintStroke.getColor();
    }
    public void setStrokeWidth(float strokeWidth) {
        mPaintStroke.setStrokeWidth(strokeWidth);
        invalidate();
    }
    public float getStrokeWidth() {
        return mPaintStroke.getStrokeWidth();
    }
    public void setRadius(float radius) {
        mRadius = radius;
        invalidate();
    }
    public float getRadius() {
        return mRadius;
    }
    public void setSnap(boolean snap) {
        mSnap = snap;
        invalidate();
    }
    public boolean isSnap() {
        return mSnap;
    }
    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        if (mViewPager == null) {
            return;
        }
        final int count = mViewPager.getAdapter().getCount();
        if (count == 0) {
            return;
        }
        if (mCurrentPage >= count) {
            setCurrentItem(count - 1);
            return;
        }
        int longSize;
        int longPaddingBefore;
        int longPaddingAfter;
        int shortPaddingBefore;
        if (mOrientation == HORIZONTAL) {
            longSize = getWidth();
            longPaddingBefore = getPaddingLeft();
            longPaddingAfter = getPaddingRight();
            shortPaddingBefore = getPaddingTop();
        } else {
            longSize = getHeight();
            longPaddingBefore = getPaddingTop();
            longPaddingAfter = getPaddingBottom();
            shortPaddingBefore = getPaddingLeft();
        }
        final float threeRadius = mRadius * 3;
        final float shortOffset = shortPaddingBefore + mRadius;
        float longOffset = longPaddingBefore + mRadius;
        if (mCentered) {
            longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f) - ((count * threeRadius) / 2.0f);
        }
        float dX;
        float dY;
        float pageFillRadius = mRadius;
        if (mPaintStroke.getStrokeWidth() > 0) {
            pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
        }
        //Draw stroked circles
        for (int iLoop = 0; iLoop < count; iLoop++) {
            float drawLong = longOffset + (iLoop * threeRadius);
            if (mOrientation == HORIZONTAL) {
                dX = drawLong;
                dY = shortOffset;
            } else {
                dX = shortOffset;
                dY = drawLong;
            }
            // Only paint fill if not completely transparent
            if (mPaintPageFill.getAlpha() > 0) {
                canvas.drawCircle(dX, dY, pageFillRadius, mPaintPageFill);
            }
            // Only paint stroke if a stroke width was non-zero
            if (pageFillRadius != mRadius) {
                canvas.drawCircle(dX, dY, mRadius, mPaintStroke);
            }
        }
        //Draw the filled circle according to the current scroll
        float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
        if (!mSnap) {
            cx += mPageOffset * threeRadius;
        }
        if (mOrientation == HORIZONTAL) {
            dX = longOffset + cx;
            dY = shortOffset;
        } else {
            dX = shortOffset;
            dY = longOffset + cx;
        }
        canvas.drawCircle(dX, dY, mRadius, mPaintFill);
    }
    public boolean onTouchEvent(android.view.MotionEvent ev) {
        if (super.onTouchEvent(ev)) {
            return true;
        }
        if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
            return false;
        }
        final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
        switch (action) {
            case MotionEvent.ACTION_DOWN:
                mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
                mLastMotionX = ev.getX();
                break;
            case MotionEvent.ACTION_MOVE: {
                final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
                final float x = MotionEventCompat.getX(ev, activePointerIndex);
                final float deltaX = x - mLastMotionX;
                if (!mIsDragging) {
                    if (Math.abs(deltaX) > mTouchSlop) {
                        mIsDragging = true;
                    }
                }
                if (mIsDragging) {
                    mLastMotionX = x;
                    if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                        mViewPager.fakeDragBy(deltaX);
                    }
                }
                break;
            }
            case MotionEvent.ACTION_CANCEL:
            case MotionEvent.ACTION_UP:
                if (!mIsDragging) {
                    final int count = mViewPager.getAdapter().getCount();
                    final int width = getWidth();
                    final float halfWidth = width / 2f;
                    final float sixthWidth = width / 6f;
                    if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
                        if (action != MotionEvent.ACTION_CANCEL) {
                            mViewPager.setCurrentItem(mCurrentPage - 1);
                        }
                        return true;
                    } else if ((mCurrentPage < count - 1) && (ev.getX() > halfWidth + sixthWidth)) {
                        if (action != MotionEvent.ACTION_CANCEL) {
                            mViewPager.setCurrentItem(mCurrentPage + 1);
                        }
                        return true;
                    }
                }
                mIsDragging = false;
                mActivePointerId = INVALID_POINTER;
                if (mViewPager.isFakeDragging()) mViewPager.endFakeDrag();
                break;
            case MotionEventCompat.ACTION_POINTER_DOWN: {
                final int index = MotionEventCompat.getActionIndex(ev);
                mLastMotionX = MotionEventCompat.getX(ev, index);
                mActivePointerId = MotionEventCompat.getPointerId(ev, index);
                break;
            }
            case MotionEventCompat.ACTION_POINTER_UP:
                final int pointerIndex = MotionEventCompat.getActionIndex(ev);
                final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
                if (pointerId == mActivePointerId) {
                    final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
                    mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
                }
                mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
                break;
        }
        return true;
    }
    @Override
    public void setViewPager(ViewPager view) {
        if (mViewPager == view) {
            return;
        }
        if (mViewPager != null) {
            mViewPager.setOnPageChangeListener(null);
        }
        if (view.getAdapter() == null) {
            throw new IllegalStateException("ViewPager does not have adapter instance.");
        }
        mViewPager = view;
        mViewPager.setOnPageChangeListener(this);
        invalidate();
    }
    @Override
    public void setViewPager(ViewPager view, int initialPosition) {
        setViewPager(view);
        setCurrentItem(initialPosition);
    }
    @Override
    public void setCurrentItem(int item) {
        if (mViewPager == null) {
            throw new IllegalStateException("ViewPager has not been bound.");
        }
        mViewPager.setCurrentItem(item);
        mCurrentPage = item;
        invalidate();
    }
    @Override
    public void notifyDataSetChanged() {
        invalidate();
    }
    @Override
    public void onPageScrollStateChanged(int state) {
        mScrollState = state;
        if (mListener != null) {
            mListener.onPageScrollStateChanged(state);
        }
    }
    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
        mCurrentPage = position;
        mPageOffset = positionOffset;
        invalidate();
        if (mListener != null) {
            mListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
        }
    }
    @Override
    public void onPageSelected(int position) {
        if (mSnap || mScrollState == ViewPager.SCROLL_STATE_IDLE) {
            mCurrentPage = position;
            mSnapPage = position;
            invalidate();
        }
        if (mListener != null) {
            mListener.onPageSelected(position);
        }
    }
    @Override
    public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
        mListener = listener;
    }
    /*
     * (non-Javadoc)
     *
     * @see android.view.View#onMeasure(int, int)
     */
    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        if (mOrientation == HORIZONTAL) {
            setMeasuredDimension(measureLong(widthMeasureSpec), measureShort(heightMeasureSpec));
        } else {
            setMeasuredDimension(measureShort(widthMeasureSpec), measureLong(heightMeasureSpec));
        }
    }
    /**
     * Determines the width of this view
     *
     * @param measureSpec
     *            A measureSpec packed into an int
     * @return The width of the view, honoring constraints from measureSpec
     */
    private int measureLong(int measureSpec) {
        int result;
        int specMode = MeasureSpec.getMode(measureSpec);
        int specSize = MeasureSpec.getSize(measureSpec);
        if ((specMode == MeasureSpec.EXACTLY) || (mViewPager == null)) {
            //We were told how big to be
            result = specSize;
        } else {
            //Calculate the width according the views count
            final int count = mViewPager.getAdapter().getCount();
            result = (int)(getPaddingLeft() + getPaddingRight()
                    + (count * 2 * mRadius) + (count - 1) * mRadius + 1);
            //Respect AT_MOST value if that was what is called for by measureSpec
            if (specMode == MeasureSpec.AT_MOST) {
                result = Math.min(result, specSize);
            }
        }
        return result;
    }
    /**
     * Determines the height of this view
     *
     * @param measureSpec
     *            A measureSpec packed into an int
     * @return The height of the view, honoring constraints from measureSpec
     */
    private int measureShort(int measureSpec) {
        int result;
        int specMode = MeasureSpec.getMode(measureSpec);
        int specSize = MeasureSpec.getSize(measureSpec);
        if (specMode == MeasureSpec.EXACTLY) {
            //We were told how big to be
            result = specSize;
        } else {
            //Measure the height
            result = (int)(2 * mRadius + getPaddingTop() + getPaddingBottom() + 1);
            //Respect AT_MOST value if that was what is called for by measureSpec
            if (specMode == MeasureSpec.AT_MOST) {
                result = Math.min(result, specSize);
            }
        }
        return result;
    }
    @Override
    public void onRestoreInstanceState(Parcelable state) {
        SavedState savedState = (SavedState)state;
        super.onRestoreInstanceState(savedState.getSuperState());
        mCurrentPage = savedState.currentPage;
        mSnapPage = savedState.currentPage;
        requestLayout();
    }
    @Override
    public Parcelable onSaveInstanceState() {
        Parcelable superState = super.onSaveInstanceState();
        SavedState savedState = new SavedState(superState);
        savedState.currentPage = mCurrentPage;
        return savedState;
    }
    static class SavedState extends BaseSavedState {
        int currentPage;
        public SavedState(Parcelable superState) {
            super(superState);
        }
        private SavedState(Parcel in) {
            super(in);
            currentPage = in.readInt();
        }
        @Override
        public void writeToParcel(Parcel dest, int flags) {
            super.writeToParcel(dest, flags);
            dest.writeInt(currentPage);
        }
        @SuppressWarnings("UnusedDeclaration")
        public static final Parcelable.Creator<SavedState> CREATOR = new Parcelable.Creator<SavedState>() {
            @Override
            public SavedState createFromParcel(Parcel in) {
                return new SavedState(in);
            }
            @Override
            public SavedState[] newArray(int size) {
                return new SavedState[size];
            }
        };
    }
 }
@@ -0,0 +1,173 @@
 /*
 * Copyright (C) 2011 The Android Open Source Project
 * Copyright (C) 2012 Jake Wharton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.viewpagerindicator;
 import static android.view.ViewGroup.LayoutParams.FILL_PARENT;
 import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
 import android.content.Context;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.support.v4.view.ViewPager.OnPageChangeListener;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.View;
 import android.widget.HorizontalScrollView;
 import android.widget.ImageView;
 import com.sap.sailing.android.tracking.app.R;
 /**
 * This widget implements the dynamic action bar tab behavior that can change
 * across different configurations or circumstances.
 */
 public class IconPageIndicator extends HorizontalScrollView implements PageIndicator {
    private final IcsLinearLayout mIconsLayout;
    private ViewPager mViewPager;
    private OnPageChangeListener mListener;
    private Runnable mIconSelector;
    private int mSelectedIndex;
    public IconPageIndicator(Context context) {
        this(context, null);
    }
    public IconPageIndicator(Context context, AttributeSet attrs) {
        super(context, attrs);
        setHorizontalScrollBarEnabled(false);
        mIconsLayout = new IcsLinearLayout(context, R.attr.vpiIconPageIndicatorStyle);
        addView(mIconsLayout, new LayoutParams(WRAP_CONTENT, FILL_PARENT, Gravity.CENTER));
    }
    private void animateToIcon(final int position) {
        final View iconView = mIconsLayout.getChildAt(position);
        if (mIconSelector != null) {
            removeCallbacks(mIconSelector);
        }
        mIconSelector = new Runnable() {
            public void run() {
                final int scrollPos = iconView.getLeft() - (getWidth() - iconView.getWidth()) / 2;
                smoothScrollTo(scrollPos, 0);
                mIconSelector = null;
            }
        };
        post(mIconSelector);
    }
    @Override
    public void onAttachedToWindow() {
        super.onAttachedToWindow();
        if (mIconSelector != null) {
            // Re-post the selector we saved
            post(mIconSelector);
        }
    }
    @Override
    public void onDetachedFromWindow() {
        super.onDetachedFromWindow();
        if (mIconSelector != null) {
            removeCallbacks(mIconSelector);
        }
    }
    @Override
    public void onPageScrollStateChanged(int arg0) {
        if (mListener != null) {
            mListener.onPageScrollStateChanged(arg0);
        }
    }
    @Override
    public void onPageScrolled(int arg0, float arg1, int arg2) {
        if (mListener != null) {
            mListener.onPageScrolled(arg0, arg1, arg2);
        }
    }
    @Override
    public void onPageSelected(int arg0) {
        setCurrentItem(arg0);
        if (mListener != null) {
            mListener.onPageSelected(arg0);
        }
    }
    @Override
    public void setViewPager(ViewPager view) {
        if (mViewPager == view) {
            return;
        }
        if (mViewPager != null) {
            mViewPager.setOnPageChangeListener(null);
        }
        PagerAdapter adapter = view.getAdapter();
        if (adapter == null) {
            throw new IllegalStateException("ViewPager does not have adapter instance.");
        }
        mViewPager = view;
        view.setOnPageChangeListener(this);
        notifyDataSetChanged();
    }
    public void notifyDataSetChanged() {
        mIconsLayout.removeAllViews();
        IconPagerAdapter iconAdapter = (IconPagerAdapter) mViewPager.getAdapter();
        int count = iconAdapter.getCount();
        for (int i = 0; i < count; i++) {
            ImageView view = new ImageView(getContext(), null, R.attr.vpiIconPageIndicatorStyle);
            view.setImageResource(iconAdapter.getIconResId(i));
            mIconsLayout.addView(view);
        }
        if (mSelectedIndex > count) {
            mSelectedIndex = count - 1;
        }
        setCurrentItem(mSelectedIndex);
        requestLayout();
    }
    @Override
    public void setViewPager(ViewPager view, int initialPosition) {
        setViewPager(view);
        setCurrentItem(initialPosition);
    }
    @Override
    public void setCurrentItem(int item) {
        if (mViewPager == null) {
            throw new IllegalStateException("ViewPager has not been bound.");
        }
        mSelectedIndex = item;
        mViewPager.setCurrentItem(item);
        int tabCount = mIconsLayout.getChildCount();
        for (int i = 0; i < tabCount; i++) {
            View child = mIconsLayout.getChildAt(i);
            boolean isSelected = (i == item);
            child.setSelected(isSelected);
            if (isSelected) {
                animateToIcon(item);
            }
        }
    }
    @Override
    public void setOnPageChangeListener(OnPageChangeListener listener) {
        mListener = listener;
    }
 }
@@ -0,0 +1,11 @@
 package com.viewpagerindicator;
 public interface IconPagerAdapter {
    /**
     * Get icon representing the page at {@code index} in the adapter.
     */
    int getIconResId(int index);
    // From PagerAdapter
    int getCount();
 }
@@ -0,0 +1,182 @@
 package com.viewpagerindicator;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.drawable.Drawable;
 import android.view.View;
 import android.widget.LinearLayout;
 /**
 * A simple extension of a regular linear layout that supports the divider API
 * of Android 4.0+. The dividers are added adjacent to the children by changing
 * their layout params. If you need to rely on the margins which fall in the
 * same orientation as the layout you should wrap the child in a simple
 * {@link android.widget.FrameLayout} so it can receive the margin.
 */
 class IcsLinearLayout extends LinearLayout {
    private static final int[] LL = new int[] {
        /* 0 */ android.R.attr.divider,
        /* 1 */ android.R.attr.showDividers,
        /* 2 */ android.R.attr.dividerPadding,
    };
    private static final int LL_DIVIDER = 0;
    private static final int LL_SHOW_DIVIDER = 1;
    private static final int LL_DIVIDER_PADDING = 2;
    private Drawable mDivider;
    private int mDividerWidth;
    private int mDividerHeight;
    private int mShowDividers;
    private int mDividerPadding;
    public IcsLinearLayout(Context context, int themeAttr) {
        super(context);
        TypedArray a = context.obtainStyledAttributes(null, LL, themeAttr, 0);
        setDividerDrawable(a.getDrawable(IcsLinearLayout.LL_DIVIDER));
        mDividerPadding = a.getDimensionPixelSize(LL_DIVIDER_PADDING, 0);
        mShowDividers = a.getInteger(LL_SHOW_DIVIDER, SHOW_DIVIDER_NONE);
        a.recycle();
    }
    public void setDividerDrawable(Drawable divider) {
        if (divider == mDivider) {
            return;
        }
        mDivider = divider;
        if (divider != null) {
            mDividerWidth = divider.getIntrinsicWidth();
            mDividerHeight = divider.getIntrinsicHeight();
        } else {
            mDividerWidth = 0;
            mDividerHeight = 0;
        }
        setWillNotDraw(divider == null);
        requestLayout();
    }
    @Override
    protected void measureChildWithMargins(View child, int parentWidthMeasureSpec, int widthUsed, int parentHeightMeasureSpec, int heightUsed) {
        final int index = indexOfChild(child);
        final int orientation = getOrientation();
        final LayoutParams params = (LayoutParams) child.getLayoutParams();
        if (hasDividerBeforeChildAt(index)) {
            if (orientation == VERTICAL) {
                //Account for the divider by pushing everything up
                params.topMargin = mDividerHeight;
            } else {
                //Account for the divider by pushing everything left
                params.leftMargin = mDividerWidth;
            }
        }
        final int count = getChildCount();
        if (index == count - 1) {
            if (hasDividerBeforeChildAt(count)) {
                if (orientation == VERTICAL) {
                    params.bottomMargin = mDividerHeight;
                } else {
                    params.rightMargin = mDividerWidth;
                }
            }
        }
        super.measureChildWithMargins(child, parentWidthMeasureSpec, widthUsed, parentHeightMeasureSpec, heightUsed);
    }
    @Override
    protected void onDraw(Canvas canvas) {
        if (mDivider != null) {
            if (getOrientation() == VERTICAL) {
                drawDividersVertical(canvas);
            } else {
                drawDividersHorizontal(canvas);
            }
        }
        super.onDraw(canvas);
    }
    private void drawDividersVertical(Canvas canvas) {
        final int count = getChildCount();
        for (int i = 0; i < count; i++) {
            final View child = getChildAt(i);
            if (child != null && child.getVisibility() != GONE) {
                if (hasDividerBeforeChildAt(i)) {
                    final android.widget.LinearLayout.LayoutParams lp = (android.widget.LinearLayout.LayoutParams) child.getLayoutParams();
                    final int top = child.getTop() - lp.topMargin/* - mDividerHeight*/;
                    drawHorizontalDivider(canvas, top);
                }
            }
        }
        if (hasDividerBeforeChildAt(count)) {
            final View child = getChildAt(count - 1);
            int bottom = 0;
            if (child == null) {
                bottom = getHeight() - getPaddingBottom() - mDividerHeight;
            } else {
                //final LayoutParams lp = (LayoutParams) child.getLayoutParams();
                bottom = child.getBottom()/* + lp.bottomMargin*/;
            }
            drawHorizontalDivider(canvas, bottom);
        }
    }
    private void drawDividersHorizontal(Canvas canvas) {
        final int count = getChildCount();
        for (int i = 0; i < count; i++) {
            final View child = getChildAt(i);
            if (child != null && child.getVisibility() != GONE) {
                if (hasDividerBeforeChildAt(i)) {
                    final android.widget.LinearLayout.LayoutParams lp = (android.widget.LinearLayout.LayoutParams) child.getLayoutParams();
                    final int left = child.getLeft() - lp.leftMargin/* - mDividerWidth*/;
                    drawVerticalDivider(canvas, left);
                }
            }
        }
        if (hasDividerBeforeChildAt(count)) {
            final View child = getChildAt(count - 1);
            int right = 0;
            if (child == null) {
                right = getWidth() - getPaddingRight() - mDividerWidth;
            } else {
                //final LayoutParams lp = (LayoutParams) child.getLayoutParams();
                right = child.getRight()/* + lp.rightMargin*/;
            }
            drawVerticalDivider(canvas, right);
        }
    }
    private void drawHorizontalDivider(Canvas canvas, int top) {
        mDivider.setBounds(getPaddingLeft() + mDividerPadding, top,
                getWidth() - getPaddingRight() - mDividerPadding, top + mDividerHeight);
        mDivider.draw(canvas);
    }
    private void drawVerticalDivider(Canvas canvas, int left) {
        mDivider.setBounds(left, getPaddingTop() + mDividerPadding,
                left + mDividerWidth, getHeight() - getPaddingBottom() - mDividerPadding);
        mDivider.draw(canvas);
    }
    private boolean hasDividerBeforeChildAt(int childIndex) {
        if (childIndex == 0 || childIndex == getChildCount()) {
          return false;
        }
        if ((mShowDividers & SHOW_DIVIDER_MIDDLE) != 0) {
            boolean hasVisibleViewBefore = false;
            for (int i = childIndex - 1; i >= 0; i--) {
                if (getChildAt(i).getVisibility() != GONE) {
                    hasVisibleViewBefore = true;
                    break;
                }
            }
            return hasVisibleViewBefore;
        }
        return false;
    }
 }
@@ -0,0 +1,450 @@
 /*
 * Copyright (C) 2012 Jake Wharton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.viewpagerindicator;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.drawable.Drawable;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.support.v4.view.MotionEventCompat;
 import android.support.v4.view.ViewConfigurationCompat;
 import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
 import android.util.FloatMath;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewConfiguration;
 import com.sap.sailing.android.tracking.app.R;
 /**
 * Draws a line for each page. The current page line is colored differently
 * than the unselected page lines.
 */
 public class LinePageIndicator extends View implements PageIndicator {
    private static final int INVALID_POINTER = -1;
    private final Paint mPaintUnselected = new Paint(Paint.ANTI_ALIAS_FLAG);
    private final Paint mPaintSelected = new Paint(Paint.ANTI_ALIAS_FLAG);
    private ViewPager mViewPager;
    private ViewPager.OnPageChangeListener mListener;
    private int mCurrentPage;
    private boolean mCentered;
    private float mLineWidth;
    private float mGapWidth;
    private int mTouchSlop;
    private float mLastMotionX = -1;
    private int mActivePointerId = INVALID_POINTER;
    private boolean mIsDragging;
    public LinePageIndicator(Context context) {
        this(context, null);
    }
    public LinePageIndicator(Context context, AttributeSet attrs) {
        this(context, attrs, R.attr.vpiLinePageIndicatorStyle);
    }
    public LinePageIndicator(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        if (isInEditMode()) return;
        final Resources res = getResources();
        //Load defaults from resources
        final int defaultSelectedColor = res.getColor(R.color.default_line_indicator_selected_color);
        final int defaultUnselectedColor = res.getColor(R.color.default_line_indicator_unselected_color);
        final float defaultLineWidth = res.getDimension(R.dimen.default_line_indicator_line_width);
        final float defaultGapWidth = res.getDimension(R.dimen.default_line_indicator_gap_width);
        final float defaultStrokeWidth = res.getDimension(R.dimen.default_line_indicator_stroke_width);
        final boolean defaultCentered = res.getBoolean(R.bool.default_line_indicator_centered);
        //Retrieve styles attributes
        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.LinePageIndicator, defStyle, 0);
        mCentered = a.getBoolean(R.styleable.LinePageIndicator_centered, defaultCentered);
        mLineWidth = a.getDimension(R.styleable.LinePageIndicator_lineWidth, defaultLineWidth);
        mGapWidth = a.getDimension(R.styleable.LinePageIndicator_gapWidth, defaultGapWidth);
        setStrokeWidth(a.getDimension(R.styleable.LinePageIndicator_strokeWidth, defaultStrokeWidth));
        mPaintUnselected.setColor(a.getColor(R.styleable.LinePageIndicator_unselectedColor, defaultUnselectedColor));
        mPaintSelected.setColor(a.getColor(R.styleable.LinePageIndicator_selectedColor, defaultSelectedColor));
        Drawable background = a.getDrawable(R.styleable.LinePageIndicator_android_background);
        if (background != null) {
          setBackgroundDrawable(background);
        }
        a.recycle();
        final ViewConfiguration configuration = ViewConfiguration.get(context);
        mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    }
    public void setCentered(boolean centered) {
        mCentered = centered;
        invalidate();
    }
    public boolean isCentered() {
        return mCentered;
    }
    public void setUnselectedColor(int unselectedColor) {
        mPaintUnselected.setColor(unselectedColor);
        invalidate();
    }
    public int getUnselectedColor() {
        return mPaintUnselected.getColor();
    }
    public void setSelectedColor(int selectedColor) {
        mPaintSelected.setColor(selectedColor);
        invalidate();
    }
    public int getSelectedColor() {
        return mPaintSelected.getColor();
    }
    public void setLineWidth(float lineWidth) {
        mLineWidth = lineWidth;
        invalidate();
    }
    public float getLineWidth() {
        return mLineWidth;
    }
    public void setStrokeWidth(float lineHeight) {
        mPaintSelected.setStrokeWidth(lineHeight);
        mPaintUnselected.setStrokeWidth(lineHeight);
        invalidate();
    }
    public float getStrokeWidth() {
        return mPaintSelected.getStrokeWidth();
    }
    public void setGapWidth(float gapWidth) {
        mGapWidth = gapWidth;
        invalidate();
    }
    public float getGapWidth() {
        return mGapWidth;
    }
    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        if (mViewPager == null) {
            return;
        }
        final int count = mViewPager.getAdapter().getCount();
        if (count == 0) {
            return;
        }
        if (mCurrentPage >= count) {
            setCurrentItem(count - 1);
            return;
        }
        final float lineWidthAndGap = mLineWidth + mGapWidth;
        final float indicatorWidth = (count * lineWidthAndGap) - mGapWidth;
        final float paddingTop = getPaddingTop();
        final float paddingLeft = getPaddingLeft();
        final float paddingRight = getPaddingRight();
        float verticalOffset = paddingTop + ((getHeight() - paddingTop - getPaddingBottom()) / 2.0f);
        float horizontalOffset = paddingLeft;
        if (mCentered) {
            horizontalOffset += ((getWidth() - paddingLeft - paddingRight) / 2.0f) - (indicatorWidth / 2.0f);
        }
        //Draw stroked circles
        for (int i = 0; i < count; i++) {
            float dx1 = horizontalOffset + (i * lineWidthAndGap);
            float dx2 = dx1 + mLineWidth;
            canvas.drawLine(dx1, verticalOffset, dx2, verticalOffset, (i == mCurrentPage) ? mPaintSelected : mPaintUnselected);
        }
    }
    public boolean onTouchEvent(android.view.MotionEvent ev) {
        if (super.onTouchEvent(ev)) {
            return true;
        }
        if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
            return false;
        }
        final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
        switch (action) {
            case MotionEvent.ACTION_DOWN:
                mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
                mLastMotionX = ev.getX();
                break;
            case MotionEvent.ACTION_MOVE: {
                final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
                final float x = MotionEventCompat.getX(ev, activePointerIndex);
                final float deltaX = x - mLastMotionX;
                if (!mIsDragging) {
                    if (Math.abs(deltaX) > mTouchSlop) {
                        mIsDragging = true;
                    }
                }
                if (mIsDragging) {
                    mLastMotionX = x;
                    if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                        mViewPager.fakeDragBy(deltaX);
                    }
                }
                break;
            }
            case MotionEvent.ACTION_CANCEL:
            case MotionEvent.ACTION_UP:
                if (!mIsDragging) {
                    final int count = mViewPager.getAdapter().getCount();
                    final int width = getWidth();
                    final float halfWidth = width / 2f;
                    final float sixthWidth = width / 6f;
                    if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
                        if (action != MotionEvent.ACTION_CANCEL) {
                            mViewPager.setCurrentItem(mCurrentPage - 1);
                        }
                        return true;
                    } else if ((mCurrentPage < count - 1) && (ev.getX() > halfWidth + sixthWidth)) {
                        if (action != MotionEvent.ACTION_CANCEL) {
                            mViewPager.setCurrentItem(mCurrentPage + 1);
                        }
                        return true;
                    }
                }
                mIsDragging = false;
                mActivePointerId = INVALID_POINTER;
                if (mViewPager.isFakeDragging()) mViewPager.endFakeDrag();
                break;
            case MotionEventCompat.ACTION_POINTER_DOWN: {
                final int index = MotionEventCompat.getActionIndex(ev);
                mLastMotionX = MotionEventCompat.getX(ev, index);
                mActivePointerId = MotionEventCompat.getPointerId(ev, index);
                break;
            }
            case MotionEventCompat.ACTION_POINTER_UP:
                final int pointerIndex = MotionEventCompat.getActionIndex(ev);
                final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
                if (pointerId == mActivePointerId) {
                    final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
                    mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
                }
                mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
                break;
        }
        return true;
    }
    @Override
    public void setViewPager(ViewPager viewPager) {
        if (mViewPager == viewPager) {
            return;
        }
        if (mViewPager != null) {
            //Clear us from the old pager.
            mViewPager.setOnPageChangeListener(null);
        }
        if (viewPager.getAdapter() == null) {
            throw new IllegalStateException("ViewPager does not have adapter instance.");
        }
        mViewPager = viewPager;
        mViewPager.setOnPageChangeListener(this);
        invalidate();
    }
    @Override
    public void setViewPager(ViewPager view, int initialPosition) {
        setViewPager(view);
        setCurrentItem(initialPosition);
    }
    @Override
    public void setCurrentItem(int item) {
        if (mViewPager == null) {
            throw new IllegalStateException("ViewPager has not been bound.");
        }
        mViewPager.setCurrentItem(item);
        mCurrentPage = item;
        invalidate();
    }
    @Override
    public void notifyDataSetChanged() {
        invalidate();
    }
    @Override
    public void onPageScrollStateChanged(int state) {
        if (mListener != null) {
            mListener.onPageScrollStateChanged(state);
        }
    }
    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
        if (mListener != null) {
            mListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
        }
    }
    @Override
    public void onPageSelected(int position) {
        mCurrentPage = position;
        invalidate();
        if (mListener != null) {
            mListener.onPageSelected(position);
        }
    }
    @Override
    public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
        mListener = listener;
    }
    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        setMeasuredDimension(measureWidth(widthMeasureSpec), measureHeight(heightMeasureSpec));
    }
    /**
     * Determines the width of this view
     *
     * @param measureSpec
     *            A measureSpec packed into an int
     * @return The width of the view, honoring constraints from measureSpec
     */
    private int measureWidth(int measureSpec) {
        float result;
        int specMode = MeasureSpec.getMode(measureSpec);
        int specSize = MeasureSpec.getSize(measureSpec);
        if ((specMode == MeasureSpec.EXACTLY) || (mViewPager == null)) {
            //We were told how big to be
            result = specSize;
        } else {
            //Calculate the width according the views count
            final int count = mViewPager.getAdapter().getCount();
            result = getPaddingLeft() + getPaddingRight() + (count * mLineWidth) + ((count - 1) * mGapWidth);
            //Respect AT_MOST value if that was what is called for by measureSpec
            if (specMode == MeasureSpec.AT_MOST) {
                result = Math.min(result, specSize);
            }
        }
        return (int)FloatMath.ceil(result);
    }
    /**
     * Determines the height of this view
     *
     * @param measureSpec
     *            A measureSpec packed into an int
     * @return The height of the view, honoring constraints from measureSpec
     */
    private int measureHeight(int measureSpec) {
        float result;
        int specMode = MeasureSpec.getMode(measureSpec);
        int specSize = MeasureSpec.getSize(measureSpec);
        if (specMode == MeasureSpec.EXACTLY) {
            //We were told how big to be
            result = specSize;
        } else {
            //Measure the height
            result = mPaintSelected.getStrokeWidth() + getPaddingTop() + getPaddingBottom();
            //Respect AT_MOST value if that was what is called for by measureSpec
            if (specMode == MeasureSpec.AT_MOST) {
                result = Math.min(result, specSize);
            }
        }
        return (int)FloatMath.ceil(result);
    }
    @Override
    public void onRestoreInstanceState(Parcelable state) {
        SavedState savedState = (SavedState)state;
        super.onRestoreInstanceState(savedState.getSuperState());
        mCurrentPage = savedState.currentPage;
        requestLayout();
    }
    @Override
    public Parcelable onSaveInstanceState() {
        Parcelable superState = super.onSaveInstanceState();
        SavedState savedState = new SavedState(superState);
        savedState.currentPage = mCurrentPage;
        return savedState;
    }
    static class SavedState extends BaseSavedState {
        int currentPage;
        public SavedState(Parcelable superState) {
            super(superState);
        }
        private SavedState(Parcel in) {
            super(in);
            currentPage = in.readInt();
        }
        @Override
        public void writeToParcel(Parcel dest, int flags) {
            super.writeToParcel(dest, flags);
            dest.writeInt(currentPage);
        }
        @SuppressWarnings("UnusedDeclaration")
        public static final Parcelable.Creator<SavedState> CREATOR = new Parcelable.Creator<SavedState>() {
            @Override
            public SavedState createFromParcel(Parcel in) {
                return new SavedState(in);
            }
            @Override
            public SavedState[] newArray(int size) {
                return new SavedState[size];
            }
        };
    }
 }
@@ -0,0 +1,63 @@
 /*
 * Copyright (C) 2011 Patrik Akerfeldt
 * Copyright (C) 2011 Jake Wharton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.viewpagerindicator;
 import android.support.v4.view.ViewPager;
 /**
 * A PageIndicator is responsible to show an visual indicator on the total views
 * number and the current visible view.
 */
 public interface PageIndicator extends ViewPager.OnPageChangeListener {
    /**
     * Bind the indicator to a ViewPager.
     *
     * @param view
     */
    void setViewPager(ViewPager view);
    /**
     * Bind the indicator to a ViewPager.
     *
     * @param view
     * @param initialPosition
     */
    void setViewPager(ViewPager view, int initialPosition);
    /**
     * <p>Set the current page of both the ViewPager and indicator.</p>
     *
     * <p>This <strong>must</strong> be used if you need to set the page before
     * the views are drawn on screen (e.g., default start page).</p>
     *
     * @param item
     */
    void setCurrentItem(int item);
    /**
     * Set a page change listener which will receive forwarded events.
     *
     * @param listener
     */
    void setOnPageChangeListener(ViewPager.OnPageChangeListener listener);
    /**
     * Notify the indicator that the fragment list has changed.
     */
    void notifyDataSetChanged();
 }
@@ -0,0 +1,285 @@
 /*
 * Copyright (C) 2011 The Android Open Source Project
 * Copyright (C) 2011 Jake Wharton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.viewpagerindicator;
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
 import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
 import android.content.Context;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.support.v4.view.ViewPager.OnPageChangeListener;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.HorizontalScrollView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 import com.sap.sailing.android.tracking.app.R;
 /**
 * This widget implements the dynamic action bar tab behavior that can change
 * across different configurations or circumstances.
 */
 public class TabPageIndicator extends HorizontalScrollView implements PageIndicator {
    /** Title text used when no title is provided by the adapter. */
    private static final CharSequence EMPTY_TITLE = "";
    /**
     * Interface for a callback when the selected tab has been reselected.
     */
    public interface OnTabReselectedListener {
        /**
         * Callback when the selected tab has been reselected.
         *
         * @param position Position of the current center item.
         */
        void onTabReselected(int position);
    }
    private Runnable mTabSelector;
    private final OnClickListener mTabClickListener = new OnClickListener() {
        public void onClick(View view) {
            TabView tabView = (TabView)view;
            final int oldSelected = mViewPager.getCurrentItem();
            final int newSelected = tabView.getIndex();
            mViewPager.setCurrentItem(newSelected);
            if (oldSelected == newSelected && mTabReselectedListener != null) {
                mTabReselectedListener.onTabReselected(newSelected);
            }
        }
    };
    private final IcsLinearLayout mTabLayout;
    private ViewPager mViewPager;
    private ViewPager.OnPageChangeListener mListener;
    private int mMaxTabWidth;
    private int mSelectedTabIndex;
    private OnTabReselectedListener mTabReselectedListener;
    public TabPageIndicator(Context context) {
        this(context, null);
    }
    public TabPageIndicator(Context context, AttributeSet attrs) {
        super(context, attrs);
        setHorizontalScrollBarEnabled(false);
        mTabLayout = new IcsLinearLayout(context, R.attr.vpiTabPageIndicatorStyle);
        addView(mTabLayout, new ViewGroup.LayoutParams(WRAP_CONTENT, MATCH_PARENT));
    }
    public void setOnTabReselectedListener(OnTabReselectedListener listener) {
        mTabReselectedListener = listener;
    }
    @Override
    public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
        final boolean lockedExpanded = widthMode == MeasureSpec.EXACTLY;
        setFillViewport(lockedExpanded);
        final int childCount = mTabLayout.getChildCount();
        if (childCount > 1 && (widthMode == MeasureSpec.EXACTLY || widthMode == MeasureSpec.AT_MOST)) {
            if (childCount > 2) {
                mMaxTabWidth = (int)(MeasureSpec.getSize(widthMeasureSpec) * 0.4f);
            } else {
                mMaxTabWidth = MeasureSpec.getSize(widthMeasureSpec) / 2;
            }
        } else {
            mMaxTabWidth = -1;
        }
        final int oldWidth = getMeasuredWidth();
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        final int newWidth = getMeasuredWidth();
        if (lockedExpanded && oldWidth != newWidth) {
            // Recenter the tab display if we're at a new (scrollable) size.
            setCurrentItem(mSelectedTabIndex);
        }
    }
    private void animateToTab(final int position) {
        final View tabView = mTabLayout.getChildAt(position);
        if (mTabSelector != null) {
            removeCallbacks(mTabSelector);
        }
        mTabSelector = new Runnable() {
            public void run() {
                final int scrollPos = tabView.getLeft() - (getWidth() - tabView.getWidth()) / 2;
                smoothScrollTo(scrollPos, 0);
                mTabSelector = null;
            }
        };
        post(mTabSelector);
    }
    @Override
    public void onAttachedToWindow() {
        super.onAttachedToWindow();
        if (mTabSelector != null) {
            // Re-post the selector we saved
            post(mTabSelector);
        }
    }
    @Override
    public void onDetachedFromWindow() {
        super.onDetachedFromWindow();
        if (mTabSelector != null) {
            removeCallbacks(mTabSelector);
        }
    }
    private void addTab(int index, CharSequence text, int iconResId) {
        final TabView tabView = new TabView(getContext());
        tabView.mIndex = index;
        tabView.setFocusable(true);
        tabView.setOnClickListener(mTabClickListener);
        tabView.setText(text);
        if (iconResId != 0) {
            tabView.setCompoundDrawablesWithIntrinsicBounds(iconResId, 0, 0, 0);
        }
        mTabLayout.addView(tabView, new LinearLayout.LayoutParams(0, MATCH_PARENT, 1));
    }
    @Override
    public void onPageScrollStateChanged(int arg0) {
        if (mListener != null) {
            mListener.onPageScrollStateChanged(arg0);
        }
    }
    @Override
    public void onPageScrolled(int arg0, float arg1, int arg2) {
        if (mListener != null) {
            mListener.onPageScrolled(arg0, arg1, arg2);
        }
    }
    @Override
    public void onPageSelected(int arg0) {
        setCurrentItem(arg0);
        if (mListener != null) {
            mListener.onPageSelected(arg0);
        }
    }
    @Override
    public void setViewPager(ViewPager view) {
        if (mViewPager == view) {
            return;
        }
        if (mViewPager != null) {
            mViewPager.setOnPageChangeListener(null);
        }
        final PagerAdapter adapter = view.getAdapter();
        if (adapter == null) {
            throw new IllegalStateException("ViewPager does not have adapter instance.");
        }
        mViewPager = view;
        view.setOnPageChangeListener(this);
        notifyDataSetChanged();
    }
    public void notifyDataSetChanged() {
        mTabLayout.removeAllViews();
        PagerAdapter adapter = mViewPager.getAdapter();
        IconPagerAdapter iconAdapter = null;
        if (adapter instanceof IconPagerAdapter) {
            iconAdapter = (IconPagerAdapter)adapter;
        }
        final int count = adapter.getCount();
        for (int i = 0; i < count; i++) {
            CharSequence title = adapter.getPageTitle(i);
            if (title == null) {
                title = EMPTY_TITLE;
            }
            int iconResId = 0;
            if (iconAdapter != null) {
                iconResId = iconAdapter.getIconResId(i);
            }
            addTab(i, title, iconResId);
        }
        if (mSelectedTabIndex > count) {
            mSelectedTabIndex = count - 1;
        }
        setCurrentItem(mSelectedTabIndex);
        requestLayout();
    }
    @Override
    public void setViewPager(ViewPager view, int initialPosition) {
        setViewPager(view);
        setCurrentItem(initialPosition);
    }
    @Override
    public void setCurrentItem(int item) {
        if (mViewPager == null) {
            throw new IllegalStateException("ViewPager has not been bound.");
        }
        mSelectedTabIndex = item;
        mViewPager.setCurrentItem(item);
        final int tabCount = mTabLayout.getChildCount();
        for (int i = 0; i < tabCount; i++) {
            final View child = mTabLayout.getChildAt(i);
            final boolean isSelected = (i == item);
            child.setSelected(isSelected);
            if (isSelected) {
                animateToTab(item);
            }
        }
    }
    @Override
    public void setOnPageChangeListener(OnPageChangeListener listener) {
        mListener = listener;
    }
    private class TabView extends TextView {
        private int mIndex;
        public TabView(Context context) {
            super(context, null, R.attr.vpiTabPageIndicatorStyle);
        }
        @Override
        public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
            // Re-measure if we went beyond our maximum size.
            if (mMaxTabWidth > 0 && getMeasuredWidth() > mMaxTabWidth) {
                super.onMeasure(MeasureSpec.makeMeasureSpec(mMaxTabWidth, MeasureSpec.EXACTLY),
                        heightMeasureSpec);
            }
        }
        public int getIndex() {
            return mIndex;
        }
    }
 }
@@ -0,0 +1,872 @@
 /*
 * Copyright (C) 2011 Jake Wharton
 * Copyright (C) 2011 Patrik Akerfeldt
 * Copyright (C) 2011 Francisco Figueiredo Jr.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.viewpagerindicator;
 import java.util.ArrayList;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.Path;
 import android.graphics.Rect;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.support.v4.view.MotionEventCompat;
 import android.support.v4.view.ViewConfigurationCompat;
 import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewConfiguration;
 import com.sap.sailing.android.tracking.app.R;
 /**
 * A TitlePageIndicator is a PageIndicator which displays the title of left view
 * (if exist), the title of the current select view (centered) and the title of
 * the right view (if exist). When the user scrolls the ViewPager then titles are
 * also scrolled.
 */
 public class TitlePageIndicator extends View implements PageIndicator {
    /**
     * Percentage indicating what percentage of the screen width away from
     * center should the underline be fully faded. A value of 0.25 means that
     * halfway between the center of the screen and an edge.
     */
    private static final float SELECTION_FADE_PERCENTAGE = 0.25f;
    /**
     * Percentage indicating what percentage of the screen width away from
     * center should the selected text bold turn off. A value of 0.05 means
     * that 10% between the center and an edge.
     */
    private static final float BOLD_FADE_PERCENTAGE = 0.05f;
    /**
     * Title text used when no title is provided by the adapter.
     */
    private static final String EMPTY_TITLE = "";
    /**
     * Interface for a callback when the center item has been clicked.
     */
    public interface OnCenterItemClickListener {
        /**
         * Callback when the center item has been clicked.
         *
         * @param position Position of the current center item.
         */
        void onCenterItemClick(int position);
    }
    public enum IndicatorStyle {
        None(0), Triangle(1), Underline(2);
        public final int value;
        private IndicatorStyle(int value) {
            this.value = value;
        }
        public static IndicatorStyle fromValue(int value) {
            for (IndicatorStyle style : IndicatorStyle.values()) {
                if (style.value == value) {
                    return style;
                }
            }
            return null;
        }
    }
    public enum LinePosition {
        Bottom(0), Top(1);
        public final int value;
        private LinePosition(int value) {
            this.value = value;
        }
        public static LinePosition fromValue(int value) {
            for (LinePosition position : LinePosition.values()) {
                if (position.value == value) {
                    return position;
                }
            }
            return null;
        }
    }
    private ViewPager mViewPager;
    private ViewPager.OnPageChangeListener mListener;
    private int mCurrentPage = -1;
    private float mPageOffset;
    private int mScrollState;
    private final Paint mPaintText = new Paint();
    private boolean mBoldText;
    private int mColorText;
    private int mColorSelected;
    private Path mPath = new Path();
    private final Rect mBounds = new Rect();
    private final Paint mPaintFooterLine = new Paint();
    private IndicatorStyle mFooterIndicatorStyle;
    private LinePosition mLinePosition;
    private final Paint mPaintFooterIndicator = new Paint();
    private float mFooterIndicatorHeight;
    private float mFooterIndicatorUnderlinePadding;
    private float mFooterPadding;
    private float mTitlePadding;
    private float mTopPadding;
    /** Left and right side padding for not active view titles. */
    private float mClipPadding;
    private float mFooterLineHeight;
    private static final int INVALID_POINTER = -1;
    private int mTouchSlop;
    private float mLastMotionX = -1;
    private int mActivePointerId = INVALID_POINTER;
    private boolean mIsDragging;
    private OnCenterItemClickListener mCenterItemClickListener;
    public TitlePageIndicator(Context context) {
        this(context, null);
    }
    public TitlePageIndicator(Context context, AttributeSet attrs) {
        this(context, attrs, R.attr.vpiTitlePageIndicatorStyle);
    }
    public TitlePageIndicator(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        if (isInEditMode()) return;
        //Load defaults from resources
        final Resources res = getResources();
        final int defaultFooterColor = res.getColor(R.color.default_title_indicator_footer_color);
        final float defaultFooterLineHeight = res.getDimension(R.dimen.default_title_indicator_footer_line_height);
        final int defaultFooterIndicatorStyle = res.getInteger(R.integer.default_title_indicator_footer_indicator_style);
        final float defaultFooterIndicatorHeight = res.getDimension(R.dimen.default_title_indicator_footer_indicator_height);
        final float defaultFooterIndicatorUnderlinePadding = res.getDimension(R.dimen.default_title_indicator_footer_indicator_underline_padding);
        final float defaultFooterPadding = res.getDimension(R.dimen.default_title_indicator_footer_padding);
        final int defaultLinePosition = res.getInteger(R.integer.default_title_indicator_line_position);
        final int defaultSelectedColor = res.getColor(R.color.default_title_indicator_selected_color);
        final boolean defaultSelectedBold = res.getBoolean(R.bool.default_title_indicator_selected_bold);
        final int defaultTextColor = res.getColor(R.color.default_title_indicator_text_color);
        final float defaultTextSize = res.getDimension(R.dimen.default_title_indicator_text_size);
        final float defaultTitlePadding = res.getDimension(R.dimen.default_title_indicator_title_padding);
        final float defaultClipPadding = res.getDimension(R.dimen.default_title_indicator_clip_padding);
        final float defaultTopPadding = res.getDimension(R.dimen.default_title_indicator_top_padding);
        //Retrieve styles attributes
        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TitlePageIndicator, defStyle, 0);
        //Retrieve the colors to be used for this view and apply them.
        mFooterLineHeight = a.getDimension(R.styleable.TitlePageIndicator_footerLineHeight, defaultFooterLineHeight);
        mFooterIndicatorStyle = IndicatorStyle.fromValue(a.getInteger(R.styleable.TitlePageIndicator_footerIndicatorStyle, defaultFooterIndicatorStyle));
        mFooterIndicatorHeight = a.getDimension(R.styleable.TitlePageIndicator_footerIndicatorHeight, defaultFooterIndicatorHeight);
        mFooterIndicatorUnderlinePadding = a.getDimension(R.styleable.TitlePageIndicator_footerIndicatorUnderlinePadding, defaultFooterIndicatorUnderlinePadding);
        mFooterPadding = a.getDimension(R.styleable.TitlePageIndicator_footerPadding, defaultFooterPadding);
        mLinePosition = LinePosition.fromValue(a.getInteger(R.styleable.TitlePageIndicator_linePosition, defaultLinePosition));
        mTopPadding = a.getDimension(R.styleable.TitlePageIndicator_topPadding, defaultTopPadding);
        mTitlePadding = a.getDimension(R.styleable.TitlePageIndicator_titlePadding, defaultTitlePadding);
        mClipPadding = a.getDimension(R.styleable.TitlePageIndicator_clipPadding, defaultClipPadding);
        mColorSelected = a.getColor(R.styleable.TitlePageIndicator_selectedColor, defaultSelectedColor);
        mColorText = a.getColor(R.styleable.TitlePageIndicator_android_textColor, defaultTextColor);
        mBoldText = a.getBoolean(R.styleable.TitlePageIndicator_selectedBold, defaultSelectedBold);
        final float textSize = a.getDimension(R.styleable.TitlePageIndicator_android_textSize, defaultTextSize);
        final int footerColor = a.getColor(R.styleable.TitlePageIndicator_footerColor, defaultFooterColor);
        mPaintText.setTextSize(textSize);
        mPaintText.setAntiAlias(true);
        mPaintFooterLine.setStyle(Paint.Style.FILL_AND_STROKE);
        mPaintFooterLine.setStrokeWidth(mFooterLineHeight);
        mPaintFooterLine.setColor(footerColor);
        mPaintFooterIndicator.setStyle(Paint.Style.FILL_AND_STROKE);
        mPaintFooterIndicator.setColor(footerColor);
        Drawable background = a.getDrawable(R.styleable.TitlePageIndicator_android_background);
        if (background != null) {
          setBackgroundDrawable(background);
        }
        a.recycle();
        final ViewConfiguration configuration = ViewConfiguration.get(context);
        mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    }
    public int getFooterColor() {
        return mPaintFooterLine.getColor();
    }
    public void setFooterColor(int footerColor) {
        mPaintFooterLine.setColor(footerColor);
        mPaintFooterIndicator.setColor(footerColor);
        invalidate();
    }
    public float getFooterLineHeight() {
        return mFooterLineHeight;
    }
    public void setFooterLineHeight(float footerLineHeight) {
        mFooterLineHeight = footerLineHeight;
        mPaintFooterLine.setStrokeWidth(mFooterLineHeight);
        invalidate();
    }
    public float getFooterIndicatorHeight() {
        return mFooterIndicatorHeight;
    }
    public void setFooterIndicatorHeight(float footerTriangleHeight) {
        mFooterIndicatorHeight = footerTriangleHeight;
        invalidate();
    }
    public float getFooterIndicatorPadding() {
        return mFooterPadding;
    }
    public void setFooterIndicatorPadding(float footerIndicatorPadding) {
        mFooterPadding = footerIndicatorPadding;
        invalidate();
    }
    public IndicatorStyle getFooterIndicatorStyle() {
        return mFooterIndicatorStyle;
    }
    public void setFooterIndicatorStyle(IndicatorStyle indicatorStyle) {
        mFooterIndicatorStyle = indicatorStyle;
        invalidate();
    }
    public LinePosition getLinePosition() {
        return mLinePosition;
    }
    public void setLinePosition(LinePosition linePosition) {
        mLinePosition = linePosition;
        invalidate();
    }
    public int getSelectedColor() {
        return mColorSelected;
    }
    public void setSelectedColor(int selectedColor) {
        mColorSelected = selectedColor;
        invalidate();
    }
    public boolean isSelectedBold() {
        return mBoldText;
    }
    public void setSelectedBold(boolean selectedBold) {
        mBoldText = selectedBold;
        invalidate();
    }
    public int getTextColor() {
        return mColorText;
    }
    public void setTextColor(int textColor) {
        mPaintText.setColor(textColor);
        mColorText = textColor;
        invalidate();
    }
    public float getTextSize() {
        return mPaintText.getTextSize();
    }
    public void setTextSize(float textSize) {
        mPaintText.setTextSize(textSize);
        invalidate();
    }
    public float getTitlePadding() {
        return this.mTitlePadding;
    }
    public void setTitlePadding(float titlePadding) {
        mTitlePadding = titlePadding;
        invalidate();
    }
    public float getTopPadding() {
        return this.mTopPadding;
    }
    public void setTopPadding(float topPadding) {
        mTopPadding = topPadding;
        invalidate();
    }
    public float getClipPadding() {
        return this.mClipPadding;
    }
    public void setClipPadding(float clipPadding) {
        mClipPadding = clipPadding;
        invalidate();
    }
    public void setTypeface(Typeface typeface) {
        mPaintText.setTypeface(typeface);
        invalidate();
    }
    public Typeface getTypeface() {
        return mPaintText.getTypeface();
    }
    /*
     * (non-Javadoc)
     *
     * @see android.view.View#onDraw(android.graphics.Canvas)
     */
    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        if (mViewPager == null) {
            return;
        }
        final int count = mViewPager.getAdapter().getCount();
        if (count == 0) {
            return;
        }
        // mCurrentPage is -1 on first start and after orientation changed. If so, retrieve the correct index from viewpager.
        if (mCurrentPage == -1 && mViewPager != null) {
            mCurrentPage = mViewPager.getCurrentItem();
        }
        //Calculate views bounds
        ArrayList<Rect> bounds = calculateAllBounds(mPaintText);
        final int boundsSize = bounds.size();
        //Make sure we're on a page that still exists
        if (mCurrentPage >= boundsSize) {
            setCurrentItem(boundsSize - 1);
            return;
        }
        final int countMinusOne = count - 1;
        final float halfWidth = getWidth() / 2f;
        final int left = getLeft();
        final float leftClip = left + mClipPadding;
        final int width = getWidth();
        int height = getHeight();
        final int right = left + width;
        final float rightClip = right - mClipPadding;
        int page = mCurrentPage;
        float offsetPercent;
        if (mPageOffset <= 0.5) {
            offsetPercent = mPageOffset;
        } else {
            page += 1;
            offsetPercent = 1 - mPageOffset;
        }
        final boolean currentSelected = (offsetPercent <= SELECTION_FADE_PERCENTAGE);
        final boolean currentBold = (offsetPercent <= BOLD_FADE_PERCENTAGE);
        final float selectedPercent = (SELECTION_FADE_PERCENTAGE - offsetPercent) / SELECTION_FADE_PERCENTAGE;
        //Verify if the current view must be clipped to the screen
        Rect curPageBound = bounds.get(mCurrentPage);
        float curPageWidth = curPageBound.right - curPageBound.left;
        if (curPageBound.left < leftClip) {
            //Try to clip to the screen (left side)
            clipViewOnTheLeft(curPageBound, curPageWidth, left);
        }
        if (curPageBound.right > rightClip) {
            //Try to clip to the screen (right side)
            clipViewOnTheRight(curPageBound, curPageWidth, right);
        }
        //Left views starting from the current position
        if (mCurrentPage > 0) {
            for (int i = mCurrentPage - 1; i >= 0; i--) {
                Rect bound = bounds.get(i);
                //Is left side is outside the screen
                if (bound.left < leftClip) {
                    int w = bound.right - bound.left;
                    //Try to clip to the screen (left side)
                    clipViewOnTheLeft(bound, w, left);
                    //Except if there's an intersection with the right view
                    Rect rightBound = bounds.get(i + 1);
                    //Intersection
                    if (bound.right + mTitlePadding > rightBound.left) {
                        bound.left = (int) (rightBound.left - w - mTitlePadding);
                        bound.right = bound.left + w;
                    }
                }
            }
        }
        //Right views starting from the current position
        if (mCurrentPage < countMinusOne) {
            for (int i = mCurrentPage + 1 ; i < count; i++) {
                Rect bound = bounds.get(i);
                //If right side is outside the screen
                if (bound.right > rightClip) {
                    int w = bound.right - bound.left;
                    //Try to clip to the screen (right side)
                    clipViewOnTheRight(bound, w, right);
                    //Except if there's an intersection with the left view
                    Rect leftBound = bounds.get(i - 1);
                    //Intersection
                    if (bound.left - mTitlePadding < leftBound.right) {
                        bound.left = (int) (leftBound.right + mTitlePadding);
                        bound.right = bound.left + w;
                    }
                }
            }
        }
        //Now draw views
        int colorTextAlpha = mColorText >>> 24;
        for (int i = 0; i < count; i++) {
            //Get the title
            Rect bound = bounds.get(i);
            //Only if one side is visible
            if ((bound.left > left && bound.left < right) || (bound.right > left && bound.right < right)) {
                final boolean currentPage = (i == page);
                final CharSequence pageTitle = getTitle(i);
                //Only set bold if we are within bounds
                mPaintText.setFakeBoldText(currentPage && currentBold && mBoldText);
                //Draw text as unselected
                mPaintText.setColor(mColorText);
                if(currentPage && currentSelected) {
                    //Fade out/in unselected text as the selected text fades in/out
                    mPaintText.setAlpha(colorTextAlpha - (int)(colorTextAlpha * selectedPercent));
                }
                //Except if there's an intersection with the right view
                if (i < boundsSize - 1)  {
                    Rect rightBound = bounds.get(i + 1);
                    //Intersection
                    if (bound.right + mTitlePadding > rightBound.left) {
                        int w = bound.right - bound.left;
                        bound.left = (int) (rightBound.left - w - mTitlePadding);
                        bound.right = bound.left + w;
                    }
                }
                canvas.drawText(pageTitle, 0, pageTitle.length(), bound.left, bound.bottom + mTopPadding, mPaintText);
                //If we are within the selected bounds draw the selected text
                if (currentPage && currentSelected) {
                    mPaintText.setColor(mColorSelected);
                    mPaintText.setAlpha((int)((mColorSelected >>> 24) * selectedPercent));
                    canvas.drawText(pageTitle, 0, pageTitle.length(), bound.left, bound.bottom + mTopPadding, mPaintText);
                }
            }
        }
        //If we want the line on the top change height to zero and invert the line height to trick the drawing code
        float footerLineHeight = mFooterLineHeight;
        float footerIndicatorLineHeight = mFooterIndicatorHeight;
        if (mLinePosition == LinePosition.Top) {
            height = 0;
            footerLineHeight = -footerLineHeight;
            footerIndicatorLineHeight = -footerIndicatorLineHeight;
        }
        //Draw the footer line
        mPath.reset();
        mPath.moveTo(0, height - footerLineHeight / 2f);
        mPath.lineTo(width, height - footerLineHeight / 2f);
        mPath.close();
        canvas.drawPath(mPath, mPaintFooterLine);
        float heightMinusLine = height - footerLineHeight;
        switch (mFooterIndicatorStyle) {
            case Triangle:
                mPath.reset();
                mPath.moveTo(halfWidth, heightMinusLine - footerIndicatorLineHeight);
                mPath.lineTo(halfWidth + footerIndicatorLineHeight, heightMinusLine);
                mPath.lineTo(halfWidth - footerIndicatorLineHeight, heightMinusLine);
                mPath.close();
                canvas.drawPath(mPath, mPaintFooterIndicator);
                break;
            case Underline:
                if (!currentSelected || page >= boundsSize) {
                    break;
                }
                Rect underlineBounds = bounds.get(page);
                final float rightPlusPadding = underlineBounds.right + mFooterIndicatorUnderlinePadding;
                final float leftMinusPadding = underlineBounds.left - mFooterIndicatorUnderlinePadding;
                final float heightMinusLineMinusIndicator = heightMinusLine - footerIndicatorLineHeight;
                mPath.reset();
                mPath.moveTo(leftMinusPadding, heightMinusLine);
                mPath.lineTo(rightPlusPadding, heightMinusLine);
                mPath.lineTo(rightPlusPadding, heightMinusLineMinusIndicator);
                mPath.lineTo(leftMinusPadding, heightMinusLineMinusIndicator);
                mPath.close();
                mPaintFooterIndicator.setAlpha((int)(0xFF * selectedPercent));
                canvas.drawPath(mPath, mPaintFooterIndicator);
                mPaintFooterIndicator.setAlpha(0xFF);
                break;
        }
    }
    public boolean onTouchEvent(android.view.MotionEvent ev) {
        if (super.onTouchEvent(ev)) {
            return true;
        }
        if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
            return false;
        }
        final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
        switch (action) {
            case MotionEvent.ACTION_DOWN:
                mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
                mLastMotionX = ev.getX();
                break;
            case MotionEvent.ACTION_MOVE: {
                final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
                final float x = MotionEventCompat.getX(ev, activePointerIndex);
                final float deltaX = x - mLastMotionX;
                if (!mIsDragging) {
                    if (Math.abs(deltaX) > mTouchSlop) {
                        mIsDragging = true;
                    }
                }
                if (mIsDragging) {
                    mLastMotionX = x;
                    if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                        mViewPager.fakeDragBy(deltaX);
                    }
                }
                break;
            }
            case MotionEvent.ACTION_CANCEL:
            case MotionEvent.ACTION_UP:
                if (!mIsDragging) {
                    final int count = mViewPager.getAdapter().getCount();
                    final int width = getWidth();
                    final float halfWidth = width / 2f;
                    final float sixthWidth = width / 6f;
                    final float leftThird = halfWidth - sixthWidth;
                    final float rightThird = halfWidth + sixthWidth;
                    final float eventX = ev.getX();
                    if (eventX < leftThird) {
                        if (mCurrentPage > 0) {
                            if (action != MotionEvent.ACTION_CANCEL) {
                                mViewPager.setCurrentItem(mCurrentPage - 1);
                            }
                            return true;
                        }
                    } else if (eventX > rightThird) {
                        if (mCurrentPage < count - 1) {
                            if (action != MotionEvent.ACTION_CANCEL) {
                                mViewPager.setCurrentItem(mCurrentPage + 1);
                            }
                            return true;
                        }
                    } else {
                        //Middle third
                        if (mCenterItemClickListener != null && action != MotionEvent.ACTION_CANCEL) {
                            mCenterItemClickListener.onCenterItemClick(mCurrentPage);
                        }
                    }
                }
                mIsDragging = false;
                mActivePointerId = INVALID_POINTER;
                if (mViewPager.isFakeDragging()) mViewPager.endFakeDrag();
                break;
            case MotionEventCompat.ACTION_POINTER_DOWN: {
                final int index = MotionEventCompat.getActionIndex(ev);
                mLastMotionX = MotionEventCompat.getX(ev, index);
                mActivePointerId = MotionEventCompat.getPointerId(ev, index);
                break;
            }
            case MotionEventCompat.ACTION_POINTER_UP:
                final int pointerIndex = MotionEventCompat.getActionIndex(ev);
                final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
                if (pointerId == mActivePointerId) {
                    final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
                    mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
                }
                mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
                break;
        }
        return true;
    }
    /**
     * Set bounds for the right textView including clip padding.
     *
     * @param curViewBound
     *            current bounds.
     * @param curViewWidth
     *            width of the view.
     */
    private void clipViewOnTheRight(Rect curViewBound, float curViewWidth, int right) {
        curViewBound.right = (int) (right - mClipPadding);
        curViewBound.left = (int) (curViewBound.right - curViewWidth);
    }
    /**
     * Set bounds for the left textView including clip padding.
     *
     * @param curViewBound
     *            current bounds.
     * @param curViewWidth
     *            width of the view.
     */
    private void clipViewOnTheLeft(Rect curViewBound, float curViewWidth, int left) {
        curViewBound.left = (int) (left + mClipPadding);
        curViewBound.right = (int) (mClipPadding + curViewWidth);
    }
    /**
     * Calculate views bounds and scroll them according to the current index
     *
     * @param paint
     * @return
     */
    private ArrayList<Rect> calculateAllBounds(Paint paint) {
        ArrayList<Rect> list = new ArrayList<Rect>();
        //For each views (If no values then add a fake one)
        final int count = mViewPager.getAdapter().getCount();
        final int width = getWidth();
        final int halfWidth = width / 2;
        for (int i = 0; i < count; i++) {
            Rect bounds = calcBounds(i, paint);
            int w = bounds.right - bounds.left;
            int h = bounds.bottom - bounds.top;
            bounds.left = (int)(halfWidth - (w / 2f) + ((i - mCurrentPage - mPageOffset) * width));
            bounds.right = bounds.left + w;
            bounds.top = 0;
            bounds.bottom = h;
            list.add(bounds);
        }
        return list;
    }
    /**
     * Calculate the bounds for a view's title
     *
     * @param index
     * @param paint
     * @return
     */
    private Rect calcBounds(int index, Paint paint) {
        //Calculate the text bounds
        Rect bounds = new Rect();
        CharSequence title = getTitle(index);
        bounds.right = (int) paint.measureText(title, 0, title.length());
        bounds.bottom = (int) (paint.descent() - paint.ascent());
        return bounds;
    }
    @Override
    public void setViewPager(ViewPager view) {
        if (mViewPager == view) {
            return;
        }
        if (mViewPager != null) {
            mViewPager.setOnPageChangeListener(null);
        }
        if (view.getAdapter() == null) {
            throw new IllegalStateException("ViewPager does not have adapter instance.");
        }
        mViewPager = view;
        mViewPager.setOnPageChangeListener(this);
        invalidate();
    }
    @Override
    public void setViewPager(ViewPager view, int initialPosition) {
        setViewPager(view);
        setCurrentItem(initialPosition);
    }
    @Override
    public void notifyDataSetChanged() {
        invalidate();
    }
    /**
     * Set a callback listener for the center item click.
     *
     * @param listener Callback instance.
     */
    public void setOnCenterItemClickListener(OnCenterItemClickListener listener) {
        mCenterItemClickListener = listener;
    }
    @Override
    public void setCurrentItem(int item) {
        if (mViewPager == null) {
            throw new IllegalStateException("ViewPager has not been bound.");
        }
        mViewPager.setCurrentItem(item);
        mCurrentPage = item;
        invalidate();
    }
    @Override
    public void onPageScrollStateChanged(int state) {
        mScrollState = state;
        if (mListener != null) {
            mListener.onPageScrollStateChanged(state);
        }
    }
    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
        mCurrentPage = position;
        mPageOffset = positionOffset;
        invalidate();
        if (mListener != null) {
            mListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
        }
    }
    @Override
    public void onPageSelected(int position) {
        if (mScrollState == ViewPager.SCROLL_STATE_IDLE) {
            mCurrentPage = position;
            invalidate();
        }
        if (mListener != null) {
            mListener.onPageSelected(position);
        }
    }
    @Override
    public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
        mListener = listener;
    }
    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        //Measure our width in whatever mode specified
        final int measuredWidth = MeasureSpec.getSize(widthMeasureSpec);
        //Determine our height
        float height;
        final int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
        if (heightSpecMode == MeasureSpec.EXACTLY) {
            //We were told how big to be
            height = MeasureSpec.getSize(heightMeasureSpec);
        } else {
            //Calculate the text bounds
            mBounds.setEmpty();
            mBounds.bottom = (int) (mPaintText.descent() - mPaintText.ascent());
            height = mBounds.bottom - mBounds.top + mFooterLineHeight + mFooterPadding + mTopPadding;
            if (mFooterIndicatorStyle != IndicatorStyle.None) {
                height += mFooterIndicatorHeight;
            }
        }
        final int measuredHeight = (int)height;
        setMeasuredDimension(measuredWidth, measuredHeight);
    }
    @Override
    public void onRestoreInstanceState(Parcelable state) {
        SavedState savedState = (SavedState)state;
        super.onRestoreInstanceState(savedState.getSuperState());
        mCurrentPage = savedState.currentPage;
        requestLayout();
    }
    @Override
    public Parcelable onSaveInstanceState() {
        Parcelable superState = super.onSaveInstanceState();
        SavedState savedState = new SavedState(superState);
        savedState.currentPage = mCurrentPage;
        return savedState;
    }
    static class SavedState extends BaseSavedState {
        int currentPage;
        public SavedState(Parcelable superState) {
            super(superState);
        }
        private SavedState(Parcel in) {
            super(in);
            currentPage = in.readInt();
        }
        @Override
        public void writeToParcel(Parcel dest, int flags) {
            super.writeToParcel(dest, flags);
            dest.writeInt(currentPage);
        }
        @SuppressWarnings("UnusedDeclaration")
        public static final Parcelable.Creator<SavedState> CREATOR = new Parcelable.Creator<SavedState>() {
            @Override
            public SavedState createFromParcel(Parcel in) {
                return new SavedState(in);
            }
            @Override
            public SavedState[] newArray(int size) {
                return new SavedState[size];
            }
        };
    }
    private CharSequence getTitle(int i) {
        CharSequence title = mViewPager.getAdapter().getPageTitle(i);
        if (title == null) {
            title = EMPTY_TITLE;
        }
        return title;
    }
 }
@@ -0,0 +1,404 @@
 /*
 * Copyright (C) 2012 Jake Wharton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.viewpagerindicator;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.drawable.Drawable;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.support.v4.view.MotionEventCompat;
 import android.support.v4.view.ViewConfigurationCompat;
 import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewConfiguration;
 import com.sap.sailing.android.tracking.app.R;
 /**
 * Draws a line for each page. The current page line is colored differently
 * than the unselected page lines.
 */
 public class UnderlinePageIndicator extends View implements PageIndicator {
    private static final int INVALID_POINTER = -1;
    private static final int FADE_FRAME_MS = 30;
    private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    private boolean mFades;
    private int mFadeDelay;
    private int mFadeLength;
    private int mFadeBy;
    private ViewPager mViewPager;
    private ViewPager.OnPageChangeListener mListener;
    private int mScrollState;
    private int mCurrentPage;
    private float mPositionOffset;
    private int mTouchSlop;
    private float mLastMotionX = -1;
    private int mActivePointerId = INVALID_POINTER;
    private boolean mIsDragging;
    private final Runnable mFadeRunnable = new Runnable() {
      @Override public void run() {
        if (!mFades) return;
        final int alpha = Math.max(mPaint.getAlpha() - mFadeBy, 0);
        mPaint.setAlpha(alpha);
        invalidate();
        if (alpha > 0) {
          postDelayed(this, FADE_FRAME_MS);
        }
      }
    };
    public UnderlinePageIndicator(Context context) {
        this(context, null);
    }
    public UnderlinePageIndicator(Context context, AttributeSet attrs) {
        this(context, attrs, R.attr.vpiUnderlinePageIndicatorStyle);
    }
    public UnderlinePageIndicator(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        if (isInEditMode()) return;
        final Resources res = getResources();
        //Load defaults from resources
        final boolean defaultFades = res.getBoolean(R.bool.default_underline_indicator_fades);
        final int defaultFadeDelay = res.getInteger(R.integer.default_underline_indicator_fade_delay);
        final int defaultFadeLength = res.getInteger(R.integer.default_underline_indicator_fade_length);
        final int defaultSelectedColor = res.getColor(R.color.default_underline_indicator_selected_color);
        //Retrieve styles attributes
        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.UnderlinePageIndicator, defStyle, 0);
        setFades(a.getBoolean(R.styleable.UnderlinePageIndicator_fades, defaultFades));
        setSelectedColor(a.getColor(R.styleable.UnderlinePageIndicator_selectedColor, defaultSelectedColor));
        setFadeDelay(a.getInteger(R.styleable.UnderlinePageIndicator_fadeDelay, defaultFadeDelay));
        setFadeLength(a.getInteger(R.styleable.UnderlinePageIndicator_fadeLength, defaultFadeLength));
        Drawable background = a.getDrawable(R.styleable.UnderlinePageIndicator_android_background);
        if (background != null) {
          setBackgroundDrawable(background);
        }
        a.recycle();
        final ViewConfiguration configuration = ViewConfiguration.get(context);
        mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
    }
    public boolean getFades() {
        return mFades;
    }
    public void setFades(boolean fades) {
        if (fades != mFades) {
            mFades = fades;
            if (fades) {
                post(mFadeRunnable);
            } else {
                removeCallbacks(mFadeRunnable);
                mPaint.setAlpha(0xFF);
                invalidate();
            }
        }
    }
    public int getFadeDelay() {
        return mFadeDelay;
    }
    public void setFadeDelay(int fadeDelay) {
        mFadeDelay = fadeDelay;
    }
    public int getFadeLength() {
        return mFadeLength;
    }
    public void setFadeLength(int fadeLength) {
        mFadeLength = fadeLength;
        mFadeBy = 0xFF / (mFadeLength / FADE_FRAME_MS);
    }
    public int getSelectedColor() {
        return mPaint.getColor();
    }
    public void setSelectedColor(int selectedColor) {
        mPaint.setColor(selectedColor);
        invalidate();
    }
    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        if (mViewPager == null) {
            return;
        }
        final int count = mViewPager.getAdapter().getCount();
        if (count == 0) {
            return;
        }
        if (mCurrentPage >= count) {
            setCurrentItem(count - 1);
            return;
        }
        final int paddingLeft = getPaddingLeft();
        final float pageWidth = (getWidth() - paddingLeft - getPaddingRight()) / (1f * count);
        final float left = paddingLeft + pageWidth * (mCurrentPage + mPositionOffset);
        final float right = left + pageWidth;
        final float top = getPaddingTop();
        final float bottom = getHeight() - getPaddingBottom();
        canvas.drawRect(left, top, right, bottom, mPaint);
    }
    public boolean onTouchEvent(MotionEvent ev) {
        if (super.onTouchEvent(ev)) {
            return true;
        }
        if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
            return false;
        }
        final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
        switch (action) {
            case MotionEvent.ACTION_DOWN:
                mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
                mLastMotionX = ev.getX();
                break;
            case MotionEvent.ACTION_MOVE: {
                final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
                final float x = MotionEventCompat.getX(ev, activePointerIndex);
                final float deltaX = x - mLastMotionX;
                if (!mIsDragging) {
                    if (Math.abs(deltaX) > mTouchSlop) {
                        mIsDragging = true;
                    }
                }
                if (mIsDragging) {
                    mLastMotionX = x;
                    if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                        mViewPager.fakeDragBy(deltaX);
                    }
                }
                break;
            }
            case MotionEvent.ACTION_CANCEL:
            case MotionEvent.ACTION_UP:
                if (!mIsDragging) {
                    final int count = mViewPager.getAdapter().getCount();
                    final int width = getWidth();
                    final float halfWidth = width / 2f;
                    final float sixthWidth = width / 6f;
                    if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
                        if (action != MotionEvent.ACTION_CANCEL) {
                            mViewPager.setCurrentItem(mCurrentPage - 1);
                        }
                        return true;
                    } else if ((mCurrentPage < count - 1) && (ev.getX() > halfWidth + sixthWidth)) {
                        if (action != MotionEvent.ACTION_CANCEL) {
                            mViewPager.setCurrentItem(mCurrentPage + 1);
                        }
                        return true;
                    }
                }
                mIsDragging = false;
                mActivePointerId = INVALID_POINTER;
                if (mViewPager.isFakeDragging()) mViewPager.endFakeDrag();
                break;
            case MotionEventCompat.ACTION_POINTER_DOWN: {
                final int index = MotionEventCompat.getActionIndex(ev);
                mLastMotionX = MotionEventCompat.getX(ev, index);
                mActivePointerId = MotionEventCompat.getPointerId(ev, index);
                break;
            }
            case MotionEventCompat.ACTION_POINTER_UP:
                final int pointerIndex = MotionEventCompat.getActionIndex(ev);
                final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
                if (pointerId == mActivePointerId) {
                    final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
                    mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
                }
                mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
                break;
        }
        return true;
    }
    @Override
    public void setViewPager(ViewPager viewPager) {
        if (mViewPager == viewPager) {
            return;
        }
        if (mViewPager != null) {
            //Clear us from the old pager.
            mViewPager.setOnPageChangeListener(null);
        }
        if (viewPager.getAdapter() == null) {
            throw new IllegalStateException("ViewPager does not have adapter instance.");
        }
        mViewPager = viewPager;
        mViewPager.setOnPageChangeListener(this);
        invalidate();
        post(new Runnable() {
            @Override public void run() {
                if (mFades) {
                    post(mFadeRunnable);
                }
            }
        });
    }
    @Override
    public void setViewPager(ViewPager view, int initialPosition) {
        setViewPager(view);
        setCurrentItem(initialPosition);
    }
    @Override
    public void setCurrentItem(int item) {
        if (mViewPager == null) {
            throw new IllegalStateException("ViewPager has not been bound.");
        }
        mViewPager.setCurrentItem(item);
        mCurrentPage = item;
        invalidate();
    }
    @Override
    public void notifyDataSetChanged() {
        invalidate();
    }
    @Override
    public void onPageScrollStateChanged(int state) {
        mScrollState = state;
        if (mListener != null) {
            mListener.onPageScrollStateChanged(state);
        }
    }
    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
        mCurrentPage = position;
        mPositionOffset = positionOffset;
        if (mFades) {
            if (positionOffsetPixels > 0) {
                removeCallbacks(mFadeRunnable);
                mPaint.setAlpha(0xFF);
            } else if (mScrollState != ViewPager.SCROLL_STATE_DRAGGING) {
                postDelayed(mFadeRunnable, mFadeDelay);
            }
        }
        invalidate();
        if (mListener != null) {
            mListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
        }
    }
    @Override
    public void onPageSelected(int position) {
        if (mScrollState == ViewPager.SCROLL_STATE_IDLE) {
            mCurrentPage = position;
            mPositionOffset = 0;
            invalidate();
            mFadeRunnable.run();
        }
        if (mListener != null) {
            mListener.onPageSelected(position);
        }
    }
    @Override
    public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
        mListener = listener;
    }
    @Override
    public void onRestoreInstanceState(Parcelable state) {
        SavedState savedState = (SavedState)state;
        super.onRestoreInstanceState(savedState.getSuperState());
        mCurrentPage = savedState.currentPage;
        requestLayout();
    }
    @Override
    public Parcelable onSaveInstanceState() {
        Parcelable superState = super.onSaveInstanceState();
        SavedState savedState = new SavedState(superState);
        savedState.currentPage = mCurrentPage;
        return savedState;
    }
    static class SavedState extends BaseSavedState {
        int currentPage;
        public SavedState(Parcelable superState) {
            super(superState);
        }
        private SavedState(Parcel in) {
            super(in);
            currentPage = in.readInt();
        }
        @Override
        public void writeToParcel(Parcel dest, int flags) {
            super.writeToParcel(dest, flags);
            dest.writeInt(currentPage);
        }
        @SuppressWarnings("UnusedDeclaration")
        public static final Creator<SavedState> CREATOR = new Creator<SavedState>() {
            @Override
            public SavedState createFromParcel(Parcel in) {
                return new SavedState(in);
            }
            @Override
            public SavedState[] newArray(int size) {
                return new SavedState[size];
            }
        };
    }
 }