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2014/10/15 ¤U¤È 10:15:51
iphone Programming Glossary: viewwilldisappearHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk A gateway to the host server is working via WWAN. self.hostActive YES break 9 In your dealloc or viewWillDisappear or similar method remove yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter.. 9 In your dealloc or viewWillDisappear or similar method remove yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter defaultCenter removeObserver self Note There might be an instance.. NSNotificationCenter defaultCenter removeObserver self Note There might be an instance using viewWillDisappear where you receive a memory warning and the observer never gets unregistered so you should account for..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present self selector @selector keyboardWillHide name UIKeyboardWillHideNotification object nil void viewWillDisappear BOOL animated unregister for keyboard notifications while not visible. NSNotificationCenter defaultCenter..
Setting action for back button in navigation controller http://stackoverflow.com/questions/1214965/setting-action-for-back-button-in-navigation-controller this question Try putting this into the view controller where you want to detect the press void viewWillDisappear BOOL animated if self.navigationController.viewControllers indexOfObject self NSNotFound back button..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone viewWillAppear BOOL animated shakeView becomeFirstResponder super viewWillAppear animated void viewWillDisappear BOOL animated shakeView resignFirstResponder super viewWillDisappear animated Don't forget that if you.. viewWillAppear animated void viewWillDisappear BOOL animated shakeView resignFirstResponder super viewWillDisappear animated Don't forget that if you have other views that become first responder from user actions like..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller which makes any transparency of your modal view pointless. You can verify this by implementing the viewWillDisappear and viewDidDisappear methods in your root view controller . You can add the modal view directly to the..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically blueViewController.view.superview nil blueViewController viewWillAppear YES yellowViewController viewWillDisappear YES yellowViewController.view removeFromSuperview self.view insertSubview self.blueViewController.view.. forView self.view cache YES blueViewController viewWillAppear YES yellowViewController viewWillDisappear YES yellowViewController.view removeFromSuperview self.view insertSubview self.blueViewController.view..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk self.hostActive YES break case ReachableViaWWAN NSLog @ A gateway to the host server is working via WWAN. self.hostActive YES break 9 In your dealloc or viewWillDisappear or similar method remove yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter defaultCenter removeObserver self Note There might be.. the host server is working via WWAN. self.hostActive YES break 9 In your dealloc or viewWillDisappear or similar method remove yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter defaultCenter removeObserver self Note There might be an instance using viewWillDisappear where you receive a memory warning.. yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter defaultCenter removeObserver self Note There might be an instance using viewWillDisappear where you receive a memory warning and the observer never gets unregistered so you should account for that as well. Note The domain you use doesn't matter. It's..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present object nil NSNotificationCenter defaultCenter addObserver self selector @selector keyboardWillHide name UIKeyboardWillHideNotification object nil void viewWillDisappear BOOL animated unregister for keyboard notifications while not visible. NSNotificationCenter defaultCenter removeObserver self name UIKeyboardWillShowNotification..
Setting action for back button in navigation controller http://stackoverflow.com/questions/1214965/setting-action-for-back-button-in-navigation-controller touch uinavigationcontroller uibarbuttonitem share improve this question Try putting this into the view controller where you want to detect the press void viewWillDisappear BOOL animated if self.navigationController.viewControllers indexOfObject self NSNotFound back button was pressed. We know this is true because self is no longer..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone you want to set this view to become first responder void viewWillAppear BOOL animated shakeView becomeFirstResponder super viewWillAppear animated void viewWillDisappear BOOL animated shakeView resignFirstResponder super viewWillDisappear animated Don't forget that if you have other views that become first responder from user actions.. BOOL animated shakeView becomeFirstResponder super viewWillAppear animated void viewWillDisappear BOOL animated shakeView resignFirstResponder super viewWillDisappear animated Don't forget that if you have other views that become first responder from user actions like a search bar or text entry field you'll also need to restore..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller finishes the view just covered will actually disappear which makes any transparency of your modal view pointless. You can verify this by implementing the viewWillDisappear and viewDidDisappear methods in your root view controller . You can add the modal view directly to the view hierarchy like so UIView modalView UIView alloc initWithFrame..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically atIndex 0 2. appear insert disappear remove if blueViewController.view.superview nil blueViewController viewWillAppear YES yellowViewController viewWillDisappear YES yellowViewController.view removeFromSuperview self.view insertSubview self.blueViewController.view atIndex 0 yellowViewController viewDidDisappear YES blueViewController.. UIView setAnimationTransition UIViewAnimationTransitionFlipFromRight forView self.view cache YES blueViewController viewWillAppear YES yellowViewController viewWillDisappear YES yellowViewController.view removeFromSuperview self.view insertSubview self.blueViewController.view atIndex 0 yellowViewController viewDidDisappear YES blueViewController..
Iphone - How to encrypt NSData with public key and decrypt with private key? http://stackoverflow.com/questions/10072124/iphone-how-to-encrypt-nsdata-with-public-key-and-decrypt-with-private-key self testAsymmetricEncryptionAndDecryption void viewDidAppear BOOL animated super viewDidAppear animated void viewWillDisappear BOOL animated super viewWillDisappear animated void viewDidDisappear BOOL animated super viewDidDisappear animated BOOL.. void viewDidAppear BOOL animated super viewDidAppear animated void viewWillDisappear BOOL animated super viewWillDisappear animated void viewDidDisappear BOOL animated super viewDidDisappear animated BOOL shouldAutorotateToInterfaceOrientation..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk NSLog @ A gateway to the host server is working via WWAN. self.hostActive YES break 9 In your dealloc or viewWillDisappear or similar method remove yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter defaultCenter.. YES break 9 In your dealloc or viewWillDisappear or similar method remove yourself as an observer void viewWillDisappear BOOL animated NSNotificationCenter defaultCenter removeObserver self Note There might be an instance using viewWillDisappear.. BOOL animated NSNotificationCenter defaultCenter removeObserver self Note There might be an instance using viewWillDisappear where you receive a memory warning and the observer never gets unregistered so you should account for that as well. Note..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present addObserver self selector @selector keyboardWillHide name UIKeyboardWillHideNotification object nil void viewWillDisappear BOOL animated unregister for keyboard notifications while not visible. NSNotificationCenter defaultCenter removeObserver..
Setting action for back button in navigation controller http://stackoverflow.com/questions/1214965/setting-action-for-back-button-in-navigation-controller share improve this question Try putting this into the view controller where you want to detect the press void viewWillDisappear BOOL animated if self.navigationController.viewControllers indexOfObject self NSNotFound back button was pressed. We know..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone first responder void viewWillAppear BOOL animated shakeView becomeFirstResponder super viewWillAppear animated void viewWillDisappear BOOL animated shakeView resignFirstResponder super viewWillDisappear animated Don't forget that if you have other views.. super viewWillAppear animated void viewWillDisappear BOOL animated shakeView resignFirstResponder super viewWillDisappear animated Don't forget that if you have other views that become first responder from user actions like a search bar or text..
http://stackoverflow.com/questions/1816614/viewwilldisappear-determine-whether-view-controller-is-being-popped-or-is-showi Determine whether view controller is being popped or is showing a sub view controller I'm struggling to find a good solution.. or is showing a sub view controller I'm struggling to find a good solution to this problem. In a view controller's viewWillDisappear method I need to find a way to determine whether it is because a view controller is being pushed onto the navigation controller's.. it is in the dealloc method. iphone cocoa touch uikit share improve this question You can use the following. void viewWillDisappear BOOL animated NSArray viewControllers self.navigationController.viewControllers if viewControllers.count 1 viewControllers..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application
iPhone hide Navigation Bar only on first page http://stackoverflow.com/questions/845583/iphone-hide-navigation-bar-only-on-first-page animated self.navigationController setNavigationBarHidden YES animated animated super viewWillAppear animated void viewWillDisappear BOOL animated self.navigationController setNavigationBarHidden NO animated animated super viewWillDisappear animated This.. void viewWillDisappear BOOL animated self.navigationController setNavigationBarHidden NO animated animated super viewWillDisappear animated This will cause the navigation bar to animate in from the left together with the next view when you push the next..
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller actually disappear which makes any transparency of your modal view pointless. You can verify this by implementing the viewWillDisappear and viewDidDisappear methods in your root view controller . You can add the modal view directly to the view hierarchy like..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically disappear remove if blueViewController.view.superview nil blueViewController viewWillAppear YES yellowViewController viewWillDisappear YES yellowViewController.view removeFromSuperview self.view insertSubview self.blueViewController.view atIndex 0 yellowViewController.. forView self.view cache YES blueViewController viewWillAppear YES yellowViewController viewWillDisappear YES yellowViewController.view removeFromSuperview self.view insertSubview self.blueViewController.view atIndex 0 yellowViewController..
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