Improve search UI (#2189)

* Improve search UI

* Undo irrelevant parts of commit

Author: domdomegg

app/src/main/res/layout/activity_search.xml

@@ -13,26 +13,32 @@
             android:id="@+id/toolbar_layout"
             android:layout_width="match_parent"
             android:layout_height="wrap_content">
+
+            <!-- Toolbar for viewing media -->
         <include
             android:visibility="gone"
             android:id="@+id/toolbar"
             layout="@layout/toolbar"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" />
 
+        <!--Toolbar containing search bar -->
         <android.support.v7.widget.Toolbar
             android:id="@+id/toolbar_search"
             android:layout_width="match_parent"
-            app:navigationIcon="@drawable/ic_arrow_back_primary_24dp"
-            android:background="@color/item_white_background"
-            android:layout_height="wrap_content">
+            android:layout_height="wrap_content"
+            android:background="?attr/colorPrimaryDark"
+            app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
+            app:navigationIcon="@drawable/ic_arrow_back_white">
             <SearchView
                 android:id="@+id/searchBox"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:focusable="true"
                 android:queryBackground="@android:color/transparent"
                 android:searchIcon="@null"
+                android:paddingLeft="-16dp"
+                android:paddingStart="-16dp"
                 app:queryBackground="@android:color/transparent"
                 app:searchIcon="@null"
                 android:imeOptions="actionDone"

app/src/main/res/values/styles.xml

@@ -24,6 +24,8 @@
         <item name="mainCardBackground">@color/main_background_dark</item>
         <item name="mainScreenNearbyPermissionbutton">@style/DarkFlatNearbyPermissionButton</item>
 
+        <!-- SearchView cursor color -->
+        <item name="colorControlActivated">@android:color/white</item>
     </style>
 
     <style name="LightAppTheme" parent="Theme.AppCompat.Light.NoActionBar">
@@ -49,6 +51,8 @@
         <item name="mainCardBackground">@color/primaryDarkColor</item>
         <item name="mainScreenNearbyPermissionbutton">@style/LightFlatNearbyPermissionButton</item>
 
+        <!-- SearchView cursor color -->
+        <item name="colorControlActivated">@android:color/white</item>
     </style>
 
     <style name="DarkSpinnerTheme" parent="DarkAppTheme">