【代碼筆記】可以向左(右)滑動,代碼筆記滑動

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【代碼筆記】可以向左(右)滑動,代碼筆記滑動

一,。

二,代碼。

RootViewController.m

- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.        self.title=@"可以向左(右)滑動";        //向右滑動    UISwipeGestureRecognizer *recognizerLeft;    recognizerLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFromLeft:)];    [recognizerLeft setDirection:(UISwipeGestureRecognizerDirectionLeft)];    [self.view addGestureRecognizer:recognizerLeft];        //向左滑動    UISwipeGestureRecognizer *recognizerRight;    recognizerRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFromRight:)];    [recognizerRight setDirection:(UISwipeGestureRecognizerDirectionRight)];    [self.view addGestureRecognizer:recognizerRight];}#pragma -mark -手勢滑動//向左滑動-(void)handleSwipeFromLeft:(UISwipeGestureRecognizer *)recognizer {        NSLog(@"-------進入向左手勢滑動姿勢-------------");    if (recognizer.direction==UISwipeGestureRecognizerDirectionLeft) {                UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"提醒" message:@"進入向左手勢滑動姿勢" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"確定", nil];        [alert show];                    }}//向右滑動-(void)handleSwipeFromRight:(UISwipeGestureRecognizer *)recognizer {        NSLog(@"-------進入向右手勢滑動姿勢-------------");    if (recognizer.direction==UISwipeGestureRecognizerDirectionRight) {                UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"提醒" message:@"進入向右手勢滑動姿勢" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"確定", nil];        [alert show];            }}

 

 

  

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