camera_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">


    <FrameLayout
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_weight="0"
        android:id="@+id/surfaceLayout">
    </FrameLayout>

</LinearLayout>