Java tutorial
//package com.java2s; /* * Copyright (C) 2014 ZXing authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.annotation.SuppressLint; import android.graphics.Rect; import android.hardware.Camera; import java.util.Collections; import java.util.List; public class Main { @SuppressLint("NewApi") private static List<Camera.Area> buildMiddleArea(int areaPer1000) { return Collections .singletonList(new Camera.Area(new Rect(-areaPer1000, -areaPer1000, areaPer1000, areaPer1000), 1)); } }