一,效果图。
二,代码。
RootViewController.m
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view. self.title=@"可以向左(右)滑动"; //向右滑动
UISwipeGestureRecognizer *recognizerLeft;
recognizerLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFromLeft:)];
[recognizerLeft setDirection:(UISwipeGestureRecognizerDirectionLeft)];
[self.view addGestureRecognizer:recognizerLeft]; //向左滑动
UISwipeGestureRecognizer *recognizerRight;
recognizerRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFromRight:)];
[recognizerRight setDirection:(UISwipeGestureRecognizerDirectionRight)];
[self.view addGestureRecognizer:recognizerRight]; }
#pragma -mark -手势滑动
//向左滑动
-(void)handleSwipeFromLeft:(UISwipeGestureRecognizer *)recognizer { NSLog(@"-------进入向左手势滑动姿势-------------");
if (recognizer.direction==UISwipeGestureRecognizerDirectionLeft) { UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"提醒" message:@"进入向左手势滑动姿势" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
[alert show]; }
}
//向右滑动
-(void)handleSwipeFromRight:(UISwipeGestureRecognizer *)recognizer { NSLog(@"-------进入向右手势滑动姿势-------------");
if (recognizer.direction==UISwipeGestureRecognizerDirectionRight) { UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"提醒" message:@"进入向右手势滑动姿势" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
[alert show]; }
}