simple_camera_activity.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     style="@style/SimpleCamera"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:baselineAligned="false"
     tools:context=".SimpleCamera" >

     <FrameLayout
         android:id="@+id/camera_preview"
         android:layout_width="0dip"
         android:layout_height="match_parent"
         android:layout_weight="1" />

     <RelativeLayout
         android:id="@+id/control_panel"
         android:layout_width="@dimen/control_panel_min_length"
         android:layout_height="match_parent"
         android:background="@drawable/bg_camera_pattern" />

 </LinearLayout>