- (void)viewDidLoad {
//建立滑動手勢
UISwipeGestureRecognizer *recognizer;
recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:selfaction:@selector(handleSwipeFrom:)];
//設置滑動方向，下面以此類推
[recognizer setDirection:(UISwipeGestureRecognizerDirectionRight)];
[[self view] addGestureRecognizer:recognizer];
[recognizer release];
recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:selfaction:@selector(handleSwipeFrom:)];
[recognizer setDirection:(UISwipeGestureRecognizerDirectionUp)];
[[self view] addGestureRecognizer:recognizer];
[recognizer release];
recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:selfaction:@selector(handleSwipeFrom:)];
[recognizer setDirection:(UISwipeGestureRecognizerDirectionDown)];
[[self view] addGestureRecognizer:recognizer];
[recognizer release];
recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:selfaction:@selector(handleSwipeFrom:)];
[recognizer setDirection:(UISwipeGestureRecognizerDirectionLeft)];
[[self view] addGestureRecognizer:recognizer];
[recognizer release];
[super viewDidLoad];
}
//這個是協議回調，所以需要遵循 UIGestureRecognizerDelegate協議
-(void)handleSwipeFrom:(UISwipeGestureRecognizer *)recognizer {
NSLog(@"Swipe received."); www.2cto.com
if (recognizer.direction==UISwipeGestureRecognizerDirectionDown) {
NSLog(@"向下滑動");
//執行程序
}
if (recognizer.direction==UISwipeGestureRecognizerDirectionUp) {
NSLog(@"向上滑動");
//執行程序
}
if (recognizer.direction==UISwipeGestureRecognizerDirectionLeft) {
NSLog(@"向左滑動");
//執行程序
}
if (recognizer.direction==UISwipeGestureRecognizerDirectionRight) {
NSLog(@"向右滑動");
//執行程序
}
}
