Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2016 venshine.cn@gmail.com
 *
 * 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.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;

import java.util.List;

public class Main {
    /**
     * Judge whether an app is in background
     *
     * @param context
     * @return
     */
    public static boolean isAppInBackground(Context context) {
        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> taskList = am.getRunningTasks(1);
        if (taskList != null && !taskList.isEmpty()) {
            ComponentName topActivity = taskList.get(0).topActivity;
            if (topActivity != null && !topActivity.getPackageName().equals(context.getPackageName())) {
                return true;
            }
        }
        return false;
    }

    /**
     * Get package name
     *
     * @param context
     * @return
     */
    public static String getPackageName(Context context) {
        return context.getPackageName();
    }
}