game_android/KeepDancing/unity-android-resources/res/layout/camera_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/camera_ui_activity"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:visibility="visible">

    <SurfaceView
        android:id="@+id/camera_surface"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" />

    <RelativeLayout
        android:id="@+id/camera_ui_capture"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" >

        <ImageView
            android:id="@+id/camera_btn_shooting"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_centerHorizontal="true"
            android:layout_marginBottom="64dp"
            android:src="@drawable/ic_fitfun_custom_camera_capture_empty_small" />

    </RelativeLayout>

</FrameLayout>