Check Application is running in front ?

public static boolean isApplicationInFront(Context mContext)
{
        ActivityManager  am= (ActivityManager)
             mContext.getSystemService(Context.ACTIVITY_SERVICE);
        ArrayList rti = new ArrayList();
        rti=(ArrayList)am.getRunningTasks(2);
        String currenact = rti.get(0).topActivity.getPackageName().toString();
      
        if(currenact.equals(mContext.getPackageName().toString()))
            return true;
      
        return false;
}