1 /* 2 * Copyright (C) 2019 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.car.developeroptions.biometrics.face; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.widget.FrameLayout; 22 23 /** 24 * Square layout that sets the height to be the same as width. 25 */ 26 public class FaceSquareFrameLayout extends FrameLayout { 27 FaceSquareFrameLayout(Context context)28 public FaceSquareFrameLayout(Context context) { 29 super(context); 30 } 31 FaceSquareFrameLayout(Context context, AttributeSet attrs)32 public FaceSquareFrameLayout(Context context, AttributeSet attrs) { 33 super(context, attrs); 34 } 35 FaceSquareFrameLayout(Context context, AttributeSet attrs, int defStyleAttr)36 public FaceSquareFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) { 37 super(context, attrs, defStyleAttr); 38 } 39 FaceSquareFrameLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)40 public FaceSquareFrameLayout(Context context, AttributeSet attrs, int defStyleAttr, 41 int defStyleRes) { 42 super(context, attrs, defStyleAttr, defStyleRes); 43 } 44 45 @Override onMeasure(int widthMeasureSpec, int heightMeasureSpec)46 public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 47 // Don't call super, manually set their size below 48 int size = MeasureSpec.getSize(widthMeasureSpec); 49 50 // Set this frame layout to be a square 51 setMeasuredDimension(size, size); 52 53 // Set the children to be the same size (square) as well 54 final int numChildren = getChildCount(); 55 for (int i = 0; i < numChildren; i++) { 56 int spec = MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY); 57 this.getChildAt(i).measure(spec, spec); 58 } 59 } 60 } 61