Java tutorial
//package com.java2s; //License from project: Apache License import android.app.ActivityManager; import android.app.ActivityManager.RunningTaskInfo; import android.content.Context; import java.util.List; public class Main { @SuppressWarnings("deprecation") public static boolean isAppStart(Context pContext, String packageName) { ActivityManager activityManager = (ActivityManager) pContext.getSystemService(Context.ACTIVITY_SERVICE); List<RunningTaskInfo> tasksInfo = activityManager.getRunningTasks(100); for (RunningTaskInfo runningTaskInfo : tasksInfo) { if (packageName.equals(runningTaskInfo.topActivity.getPackageName())) { return true; } } return false; } }