if([[NSUserDefaults standardUserDefaults]integerForKey:@"launchCount"]==0){
        [[NSUserDefaults standardUserDefaults]setInteger:1 forKey:@"launchCount"];

    }else{
        [[NSUserDefaults standardUserDefaults]setInteger:[[NSUserDefaults standardUserDefaults]integerForKey:@"launchCount"]+1 forKey:@"launchCount"];

    }