Java tutorial
//package com.java2s; import android.app.ActivityManager; import android.content.ComponentName; import android.content.Context; public class Main { public static String getCurrentActivityPkgName(Context context) { ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); ComponentName cn = am.getRunningTasks(1).get(0).topActivity; // String className=cn.getClassName(); return cn.getPackageName(); } }