<!-- android:layout_weight="1" sets the RelativeLayout to fill the rest of the screen because it is encapsulated in a LinearLayout with android:orientation="vertical". -->
<RelativeLayout
- android:id="@+id/mainWebViewRelativeLayout"
+ android:id="@+id/main_webview_relativelayout"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"