标签：style io ar color os sp for on cti
#pragma -mark 点击模态视图外的空白处隐藏模态视图
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
_tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTapBehind:)];
[_tapRecognizer setNumberOfTapsRequired:1];
_tapRecognizer.cancelsTouchesInView = NO; //So the user can still interact with controls in the modal view
[self.view.window addGestureRecognizer:_tapRecognizer];
[_tapRecognizer setDelegate:(id<UIGestureRecognizerDelegate>)self];
}
- (void)handleTapBehind:(UITapGestureRecognizer *)sender
{
if (sender.state == UIGestureRecognizerStateEnded) {
// passing nil gives us coordinates in the window
CGPoint location = [sender locationInView:nil];
// swap (x,y) on iOS 8 in landscape
if (SYSTEM_VERSION_MORE_THAN_8) {
if (UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation)) {
location = CGPointMake(location.y, location.x);
}
}
// convert the tap‘s location into the local view‘s coordinate system, and test to see if it‘s in or outside. If outside, dismiss the view.
if (![self.view pointInside:[self.view convertPoint:location fromView:self.view.window] withEvent:nil]) {
// remove the recognizer first so it‘s view.window is valid
[self.view.window removeGestureRecognizer:sender];
[self dismissViewControllerAnimated:YES completion:nil];
}
}
}
#pragma mark - UIGestureRecognizer Delegate
- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer
{
return YES;
}
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
{
return YES;
}
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
return YES;
}
FormSheet式模态视图，点击模态视图外隐藏模态视图的方法
标签：style io ar color os sp for on cti
原文地址：http://my.oschina.net/CreeveLiu/blog/347913
