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1 //常摁手势触发方法 2 -(void)longPressGesture:(id)sender 3 { 4 UILongPressGestureRecognizer *longPress = sender; 5 if (longPress.state == UIGestureRecognizerStateBegan) 6 { 7 UIAlertView *alter = [[UIAlertView alloc] initWithTitle:@"提示" message:@"长按触发" delegate:nil cancelButtonTitle:@"取消" otherButtonTitles: nil]; 8 [alter show]; 9 } 10 } |
1 //轻扫手势触发方法 2 -(void)swipeGesture:(id)sender 3 { 4 UISwipeGestureRecognizer *swipe = sender; 5 if (swipe.direction == UISwipeGestureRecognizerDirectionLeft) 6 { 7 //向左轻扫做的事情 8 } 9 if (swipe.direction == UISwipeGestureRecognizerDirectionRight) 10 { 11 //向右轻扫做的事情 12 } 13 } 14 |
1 捏合手势触发方法 2 -(void) pinchGesture:(id)sender 3 { 4 UIPinchGestureRecognizer *gesture = sender; 5 6 //手势改变时 7 if (gesture.state == UIGestureRecognizerStateChanged) 8 { 9 //捏合手势中scale属性记录的缩放比例 10 _imageView.transform = CGAffineTransformMakeScale(gesture.scale, gesture.scale); 11 } 12 13 //结束后恢复 14 if(gesture.state==UIGestureRecognizerStateEnded) 15 { 16 [UIView animateWithDuration:0.5 animations:^{ 17 _imageView.transform = CGAffineTransformIdentity;//取消一切形变 18 }]; 19 } 20 } |
1 //旋转手势 2 -(void)rotationGesture:(id)sender 3 { 4 5 UIRotationGestureRecognizer *gesture = sender; 6 7 if (gesture.state==UIGestureRecognizerStateChanged) 8 { 9 _imageView.transform=CGAffineTransformMakeRotation(gesture.rotation); 10 } 11 12 if(gesture.state==UIGestureRecognizerStateEnded) 13 { 14 15 [UIView animateWithDuration:1 animations:^{ 16 _imageView.transform=CGAffineTransformIdentity;//取消形变 17 }]; 18 } 19 20 } |
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