activity_main.xml

<com.alexfu.reverseframelayout.ReversedFrameLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent">

  <TextView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/holo_purple"/>

  <TextView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/holo_red_dark"/>

</com.alexfu.reverseframelayout.ReversedFrameLayout>

ReversedFrameLayout.java

/*
 * Copyright (C) 2006 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alexfu.reverseframelayout;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.FrameLayout;

public class ReversedFrameLayout extends FrameLayout {

	public ReversedFrameLayout(Context context) {
		super(context);
		setChildrenDrawingOrderEnabled(true);
	}

	public ReversedFrameLayout(Context context, AttributeSet attrs) {
		super(context, attrs);
		setChildrenDrawingOrderEnabled(true);
	}

	public ReversedFrameLayout(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
		setChildrenDrawingOrderEnabled(true);
	}

	@Override
	protected int getChildDrawingOrder(int childCount, int i) {
		return childCount - 1 - i;
	}
}