new background for spinner (drop box)

mobile/com.sap.sailing.racecommittee.app/res/drawable/spinner_background_dark.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- pressed -->
+    <item android:drawable="@drawable/spinner_dark_pressed" android:state_pressed="true" />
+
+    <!-- default -->
+    <item android:drawable="@drawable/spinner_dark" />
+
+</selector>

mobile/com.sap.sailing.racecommittee.app/res/drawable/spinner_background_light.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- pressed -->
+    <item android:drawable="@drawable/spinner_light_pressed" android:state_pressed="true" />
+
+    <!-- default -->
+    <item android:drawable="@drawable/spinner_light" />
+
+</selector>

mobile/com.sap.sailing.racecommittee.app/res/layout/race_schedule_start_time.xml

@@ -205,6 +205,7 @@
                     android:id="@+id/time_offset"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
                     android:layout_marginBottom="@dimen/default_margin"
                     android:layout_marginTop="@dimen/default_margin"
                     android:scaleX="@integer/picker_scale"
@@ -228,7 +229,7 @@
                         android:id="@+id/dependent_leaderboard"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
-                        android:background="?sap_gray_black_20"
+                        android:background="?spinner_background"
                         android:dropDownWidth="wrap_content"
                         android:spinnerMode="dropdown"/>
 
@@ -237,7 +238,7 @@
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_marginTop="@dimen/default_margin_half"
-                        android:background="?sap_gray_black_20"
+                        android:background="?spinner_background"
                         android:dropDownWidth="wrap_content"
                         android:spinnerMode="dropdown"
                         android:visibility="gone"
@@ -248,7 +249,7 @@
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_marginTop="@dimen/default_margin_half"
-                        android:background="?sap_gray_black_20"
+                        android:background="?spinner_background"
                         android:dropDownWidth="wrap_content"
                         android:spinnerMode="dropdown"/>
                 </LinearLayout>

mobile/com.sap.sailing.racecommittee.app/res/values/attr.xml

@@ -62,6 +62,7 @@
     <attr name="photo_camera_48dp" format="reference"/>
     <attr name="play_arrow_36dp" format="reference"/>
     <attr name="search_24dp_invert" format="reference"/>
+    <attr name="spinner_background" format="reference"/>
     <attr name="swipe_idle" format="reference"/>
     <attr name="swipe_left" format="reference"/>
     <attr name="swipe_right" format="reference"/>

mobile/com.sap.sailing.racecommittee.app/res/values/themes_dark.xml

@@ -77,6 +77,7 @@
         <item name="photo_camera_48dp">@drawable/ic_photo_camera_white_48dp</item>
         <item name="play_arrow_36dp">@drawable/ic_play_arrow_white_36dp</item>
         <item name="search_24dp_invert">@drawable/ic_search_black_24dp</item>
+        <item name="spinner_background">@drawable/spinner_background_dark</item>
         <item name="swipe_idle">@drawable/swipe_idle_dark</item>
         <item name="swipe_left">@drawable/swipe_left_dark</item>
         <item name="swipe_right">@drawable/swipe_right_dark</item>

mobile/com.sap.sailing.racecommittee.app/res/values/themes_light.xml

@@ -80,6 +80,7 @@
         <item name="photo_camera_48dp">@drawable/ic_photo_camera_black_48dp</item>
         <item name="play_arrow_36dp">@drawable/ic_play_arrow_black_36dp</item>
         <item name="search_24dp_invert">@drawable/ic_search_white_24dp</item>
+        <item name="spinner_background">@drawable/spinner_background_light</item>
         <item name="swipe_idle">@drawable/swipe_idle_light</item>
         <item name="swipe_left">@drawable/swipe_left_light</item>
         <item name="swipe_right">@drawable/swipe_right_light</item>