Transparent status bar

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

@@ -1,8 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
+<android.support.design.widget.CoordinatorLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    xmlns:android="http://schemas.android.com/apk/res/android">
+    android:fitsSystemWindows="true"
+    tools:context=".ui.activity.FilePickerActivity">
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
 
         <FrameLayout
             android:id="@+id/adView"
@@ -45,4 +51,5 @@
             android:layout_below="@id/appbar"
             android:scrollbars="vertical"
             />
-</RelativeLayout>
+    </RelativeLayout>
+</android.support.design.widget.CoordinatorLayout>

app/src/main/res/values-v21/styles.xml

@@ -3,6 +3,7 @@
 
     <style name="AppTheme" parent="Base.AppTheme">
         <item name="android:navigationBarColor">@color/colorPrimaryDark</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
     </style>
 
 </resources>