iPad用のiOS6アプリを開発しています。ジェスチャ認識(ズーム、ピンチ、パン)を追加するUIImageViewサブクラスを開発しましたが、問題があります。ジェスチャを同時に許可しません。最初は通常のUIImageViewとしてコーディングしましたが、うまく機能しましたが、サブクラスでは機能しません。私のコード:
image.m(UIImageViewサブクラス)
- (id)initWithImage:(UIImage *)image {
self = [super initWithImage:image];
if (self) {
[self setMultipleTouchEnabled:YES];
[self setUserInteractionEnabled:YES];
UIPanGestureRecognizer *panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panDetected:)];
[super addGestureRecognizer:panRecognizer];
UIPinchGestureRecognizer *pinchRecognizer = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchDetected:)];
[super addGestureRecognizer:pinchRecognizer];
UIRotationGestureRecognizer *rotationRecognizer = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotationDetected:)];
[super addGestureRecognizer:rotationRecognizer];
UITapGestureRecognizer *tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapDetected:)];
tapRecognizer.numberOfTapsRequired = 2;
[super addGestureRecognizer:tapRecognizer];
NSLog(@"lkjlkj");
}
return self;}
- (void)panDetected:(UIPanGestureRecognizer *)panRecognizer {
CGPoint translation = [panRecognizer translationInView:self.superview];
CGPoint imageViewPosition = self.center;
imageViewPosition.x += translation.x;
imageViewPosition.y += translation.y;
self.center = imageViewPosition;
[panRecognizer setTranslation:CGPointZero inView: self.superview];}
- (void)pinchDetected:(UIPinchGestureRecognizer *)pinchRecognizer{
CGFloat scale = pinchRecognizer.scale;
self.transform = CGAffineTransformScale(self.transform, scale, scale);
pinchRecognizer.scale = 1.0;}
- (void)rotationDetected:(UIRotationGestureRecognizer *)rotationRecognizer{
CGFloat angle = rotationRecognizer.rotation;
self.transform = CGAffineTransformRotate(self.transform, angle);
rotationRecognizer.rotation = 0.0;}
- (void)tapDetected:(UITapGestureRecognizer *)tapRecognizer{
[UIView animateWithDuration:0.25 animations:^{
self.center = CGPointMake(CGRectGetMidX(self.superview.bounds), CGRectGetMidY(self.superview.bounds));
self.transform = CGAffineTransformIdentity;
}];}
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer{
return YES;}
viewcontroller.m(複数のジェスチャに同時に応答しない画像からimageviewを作成する場合)
image *img = [[image alloc] initWithImage:imatgetemporal];
img.center = CGPointMake(525/2, 651/2);
[[self.view viewWithTag:2] addSubview:img];
全てに感謝!!