61 lines
2.0 KiB
Java
61 lines
2.0 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.settings.biometrics.face;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.widget.FrameLayout;
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/**
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* Square layout that sets the height to be the same as width.
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*/
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public class FaceSquareFrameLayout extends FrameLayout {
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public FaceSquareFrameLayout(Context context) {
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super(context);
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}
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public FaceSquareFrameLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public FaceSquareFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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public FaceSquareFrameLayout(Context context, AttributeSet attrs, int defStyleAttr,
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int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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}
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@Override
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public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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// Don't call super, manually set their size below
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int size = MeasureSpec.getSize(widthMeasureSpec);
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// Set this frame layout to be a square
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setMeasuredDimension(size, size);
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// Set the children to be the same size (square) as well
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final int numChildren = getChildCount();
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for (int i = 0; i < numChildren; i++) {
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int spec = MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY);
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this.getChildAt(i).measure(spec, spec);
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}
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}
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}
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