Java tutorial
//package com.java2s; //License from project: Apache License import android.app.ActivityManager; import android.content.Context; import java.util.List; public class Main { public static boolean isAppRunningForeground(Context context) { ActivityManager var1 = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); List list = var1.getRunningTasks(1); return context.getPackageName() .equalsIgnoreCase(((ActivityManager.RunningTaskInfo) list.get(0)).baseActivity.getPackageName()); } }