Java tutorial
//package com.java2s; import java.util.List; import android.app.ActivityManager; import android.app.ActivityManager.RunningTaskInfo; import android.content.Context; public class Main { public static boolean isInstalledAppRunning(Context context, String packageName) { boolean isAppRunning = false; ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); List<RunningTaskInfo> list = am.getRunningTasks(100); for (RunningTaskInfo info : list) { if (info.topActivity.getPackageName().equals(packageName) && info.baseActivity.getPackageName().equals(packageName)) { isAppRunning = true; break; } } return isAppRunning; } }