Anrdod-get-launcher-activity-name.java

   private String getLauncherActivity(){
        String activityName = "";
        final PackageManager pm = getPackageManager();
        Intent intent = pm.getLaunchIntentForPackage(getPackageName());
        List<ResolveInfo> activityList = pm.queryIntentActivities(intent,0);
        if(activityList != null){
            activityName = activityList.get(0).activityInfo.name;
        }
        return activityName;
    }