1 /* 2 * Copyright (C) 2013 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.photos.views; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.widget.ImageView; 22 23 24 public class SquareImageView extends ImageView { 25 26 public SquareImageView(Context context) { 27 super(context); 28 } 29 30 public SquareImageView(Context context, AttributeSet attrs) { 31 super(context, attrs); 32 } 33 34 public SquareImageView(Context context, AttributeSet attrs, int defStyle) { 35 super(context, attrs, defStyle); 36 } 37 38 @Override 39 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 40 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 41 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 42 if (widthMode == MeasureSpec.EXACTLY && heightMode != MeasureSpec.EXACTLY) { 43 int width = MeasureSpec.getSize(widthMeasureSpec); 44 int height = width; 45 if (heightMode == MeasureSpec.AT_MOST) { 46 height = Math.min(height, MeasureSpec.getSize(heightMeasureSpec)); 47 } 48 setMeasuredDimension(width, height); 49 } else { 50 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 51 } 52 } 53 } 54
