1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.camera.ui; 18 19 import android.content.Context; 20 import android.view.View; 21 import android.util.AttributeSet; 22 import android.widget.HorizontalScrollView; 23 24 public class RightAlignedHorizontalScrollView extends HorizontalScrollView { 25 26 public RightAlignedHorizontalScrollView(Context context) { 27 super(context); 28 } 29 30 public RightAlignedHorizontalScrollView(Context context, AttributeSet attrs) { 31 super(context, attrs); 32 } 33 34 @Override 35 protected void onLayout(boolean changed, int l, int t, int r, int b) { 36 super.onLayout(changed, l, t, r, b); 37 if (changed) { 38 // Get the width of the child, i.e. the LinearLayout, and scroll to 39 // the rightmost position. 40 View child = getChildAt(0); 41 if (child != null) scrollTo(child.getWidth(), 0); 42 } 43 } 44 } 45
