50 lines
1.6 KiB
Java
50 lines
1.6 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.wifi.qrcode;
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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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* A customize square {@link FrameLayout}.
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* This is used for camera preview. Choose the smaller size of both dimensions as length and width.
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*/
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public class QrPreviewLayout extends FrameLayout {
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public QrPreviewLayout(Context context) {
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super(context);
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}
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public QrPreviewLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public QrPreviewLayout(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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// Choose the smaller size of the two dimensions.
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if (MeasureSpec.getSize(widthMeasureSpec) > MeasureSpec.getSize(heightMeasureSpec)) {
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super.onMeasure(heightMeasureSpec, heightMeasureSpec);
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} else {
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super.onMeasure(widthMeasureSpec, widthMeasureSpec);
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}
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}
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}
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