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2014/10/15 ¤U¤È 10:13:23
iphone Programming Glossary: responderHow do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone using it when allocating a view . In the view controller you want to set this view to become first responder void viewWillAppear BOOL animated shakeView becomeFirstResponder super viewWillAppear animated void.. 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 the shaking view.. actions like a search bar or text entry field you'll also need to restore the shaking view first responder status when the other view resigns This method works even if you set applicationSupportsShakeToEdit..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention on this. Some people like to use it for clarity to separate out class variables and as another responder noted to avoid conflict with incoming parameter names. Even in Apple sample code the use is mixed. However..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui animated YES navigationController release b release iphone objective c ipad uitextfield first responder share improve this question In the viewController that is presented modally just overwrite disablesAutomaticKeyboardDismissal..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions captures overrides the button's Touch Up Inside event. How can i make it work I thought that the responder chain hierarchy will make sure that the button touch event will be given preference and it WILL get..
iphone, dismiss keyboard when touching outside of textfield http://stackoverflow.com/questions/5306240/iphone-dismiss-keyboard-when-touching-outside-of-textfield You'll need to add an UITapGestureRecogniser and assign it to the view and then call resign first responder on the textfield on it's selector. The code In viewDidLoad UITapGestureRecognizer tap UITapGestureRecognizer..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone and the Responder Chain You can share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once.. share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once it has preformed its interpretation..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone selecting this new type instead of the base type in IB or using it when allocating a view . In the view controller 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.. 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 the shaking view first responder status when the other view resigns This method..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention c share improve this question There is not consensus on this. Some people like to use it for clarity to separate out class variables and as another responder noted to avoid conflict with incoming parameter names. Even in Apple sample code the use is mixed. However I greatly prefer to not use the _ prefix and have two..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui b self presentModalViewController navigationController animated YES navigationController release b release iphone objective c ipad uitextfield first responder share improve this question In the viewController that is presented modally just overwrite disablesAutomaticKeyboardDismissal to always return NO BOOL disablesAutomaticKeyboardDismissal..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions is inside the UIView B . The singleTap gesture recognizer captures overrides the button's Touch Up Inside event. How can i make it work I thought that the responder chain hierarchy will make sure that the button touch event will be given preference and it WILL get triggered What am i missing Here's some related code #pragma..
iphone, dismiss keyboard when touching outside of textfield http://stackoverflow.com/questions/5306240/iphone-dismiss-keyboard-when-touching-outside-of-textfield iphone cocoa touch ios uikit share improve this question You'll need to add an UITapGestureRecogniser and assign it to the view and then call resign first responder on the textfield on it's selector. The code In viewDidLoad UITapGestureRecognizer tap UITapGestureRecognizer alloc initWithTarget self action @selector dismissKeyboard..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone this question In the documentation look for Responder Objects and the Responder Chain You can share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once it has preformed its interpretation of the message it returns.. look for Responder Objects and the Responder Chain You can share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once it has preformed its interpretation of the message it returns the touch has been handled and disposed..
UISearchbar clearButton forces the keyboard to appear http://stackoverflow.com/questions/1092246/uisearchbar-clearbutton-forces-the-keyboard-to-appear UISearchBarDelegate gets called because of the user tapping the 'clear' button the searchBar hasn't become the first responder yet so we can take advantage of that in order to detect when the user in fact intended to clear the search and not bring..
http://stackoverflow.com/questions/1342674/motionbegan-not-working you want to implement this in a subclass of UIViewController . Make the UIViewController capable of becoming first responder BOOL canBecomeFirstResponder return YES Make the UIViewController become first responder in viewDidAppear . void viewDidAppear.. capable of becoming first responder BOOL canBecomeFirstResponder return YES Make the UIViewController become first responder in viewDidAppear . void viewDidAppear BOOL animated super viewDidAppear animated self becomeFirstResponder If the view contains.. animated self becomeFirstResponder If the view contains any element such as a UITextField that might become first responder itself ensure that element resigns first responder at some point. With a UITextField for example the UIViewController would..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone base type in IB or using it when allocating a view . In the view controller you want to set this view to become first responder void viewWillAppear BOOL animated shakeView becomeFirstResponder super viewWillAppear animated void viewWillDisappear BOOL.. 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 the shaking view first responder status.. responder from user actions like a search bar or text entry field you'll also need to restore the shaking view first responder status when the other view resigns This method works even if you set applicationSupportsShakeToEdit to NO. share improve..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention There is not consensus on this. Some people like to use it for clarity to separate out class variables and as another responder noted to avoid conflict with incoming parameter names. Even in Apple sample code the use is mixed. However I greatly prefer..
How do you dismiss the keyboard when editing a UITextField http://stackoverflow.com/questions/274319/how-do-you-dismiss-the-keyboard-when-editing-a-uitextfield do you dismiss the keyboard when editing a UITextField I know that I need to tell my UITextField to resign first responder when I want to dismis the keyboard but I'm not sure how to know when the user has pressed the Done key on the keyboard...
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui navigationController animated YES navigationController release b release iphone objective c ipad uitextfield first responder share improve this question In the viewController that is presented modally just overwrite disablesAutomaticKeyboardDismissal..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions gesture recognizer captures overrides the button's Touch Up Inside event. How can i make it work I thought that the responder chain hierarchy will make sure that the button touch event will be given preference and it WILL get triggered What am i..
iphone, dismiss keyboard when touching outside of textfield http://stackoverflow.com/questions/5306240/iphone-dismiss-keyboard-when-touching-outside-of-textfield this question You'll need to add an UITapGestureRecogniser and assign it to the view and then call resign first responder on the textfield on it's selector. The code In viewDidLoad UITapGestureRecognizer tap UITapGestureRecognizer alloc initWithTarget..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone for Responder Objects and the Responder Chain You can share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once it has preformed.. Chain You can share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once it has preformed its interpretation of the message it..
UIScrollView : paging horizontally, scrolling vertically? http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically UIScrollView child views to RemorsefulScrollView the touch events you forward to a child may arrive back to you via responder chain if the child does not always handle touches like UIScrollView does. A bullet proof RemorsefulScrollView implementation..
http://stackoverflow.com/questions/741185/easy-way-to-dismiss-keyboard easier way to dismiss the keyboard without having to loop through all my controls and resigning them all as the first responder. I guess the question is.. How would I get the current first responder to the keyboard iphone objective c cocoa touch sdk.. my controls and resigning them all as the first responder. I guess the question is.. How would I get the current first responder to the keyboard iphone objective c cocoa touch sdk share improve this question Try self.view endEditing YES share..
Scrolling with two fingers with a UIScrollView http://stackoverflow.com/questions/787212/scrolling-with-two-fingers-with-a-uiscrollview accordingly. Just be sure that 1 the events you send to content view don't bubble back to UIScrollView through the responder chain i.e. make sure to handle them all 2 respect the usual flow of touch events i.e. touchesBegan than some number of touchesBegan..
UITableView registerNib:forCellReuseIdentifier: http://stackoverflow.com/questions/12590471/uitableview-registernibforcellreuseidentifier but in general you only have your UITableViewCell in your XIB anyway without counting the File's Owner and the First Responder which are only proxies . In fact when the tableView try to dequeue a cell and don't find a reusable one so create a new.. custom UITableViewCell as the only top level object of your XIB file next to the existing File's Owner anf First Responder that again are only proxies External Objects references and won't be instantiated and won't be part of the top level objects..
http://stackoverflow.com/questions/1342674/motionbegan-not-working order to capture a shake event. The problem is that the function isn't even running even when I override canBecomeFirstResponder and set it to return YES. I have seen some other people's posts with this problem but I have not found an answer. Thanks.. self setUpView return self id initWithFrame CGRect frame self setUpView return self void setUpView self becomeFirstResponder NSLog @ First Responder d self isFirstResponder Second Example .h class inherited from UIApplicationDelegate and UIScrollViewDelegate.. self id initWithFrame CGRect frame self setUpView return self void setUpView self becomeFirstResponder NSLog @ First Responder d self isFirstResponder Second Example .h class inherited from UIApplicationDelegate and UIScrollViewDelegate #import UIKit..
Set First Responder in MFMailComposeViewController? http://stackoverflow.com/questions/1690279/set-first-responder-in-mfmailcomposeviewcontroller First Responder in MFMailComposeViewController I'm using Apple's MailComposer example application to send email from within my application.. before presenting the interface. However I don't care about customizing the interface. I just want to set that firstResponder. Any ideas iphone email iphone sdk 3.0 mfmailcomposeviewcontroll share improve this question You are able to make these.. RecipientTextField as the value for field makes the to address field become first responder BOOL setMFMailFieldAsFirstResponder UIView view mfMailField NSString field for UIView subview in view.subviews NSString className NSString stringWithFormat..
http://stackoverflow.com/questions/2120984/loading-xibs-into-a-uiview owner self options nil assuming the view is the only top level object in the nib file besides File's Owner and First Responder UIView nibView nibObjects objectAtIndex 0 self.detailView nibView self.detailContainerView.autoresizesSubviews YES self.detailContainerView.. owner self options nil assuming the view is the only top level object in the nib file besides File's Owner and First Responder UIView nibView nibObjects objectAtIndex 0 self.detailView nibView break ... Do the same for all cases in the switch statement...
The concept of file's owner,first responder, and application delegate in iPhone [duplicate] http://stackoverflow.com/questions/2305183/the-concept-of-files-owner-first-responder-and-application-delegate-in-iphone this is usually the UIViewController subclass itself. Further reading Resource Programming Guide Nib Files First Responder This is the view that receives untargeted events i.e. those sent with a target of nil first. The useful part of this is..
How do I associate a nib (.xib) file with a UIView? http://stackoverflow.com/questions/238620/how-do-i-associate-a-nib-xib-file-with-a-uiview with the View template. Click on the view in the list of objects in the xib you should also see File's Owner and First Responder . Push Cmd 4 to open the Identity pane of the inspector. Type your class's name into the Class Name field and push return...
How to load a UIView from a NIB? http://stackoverflow.com/questions/2648299/how-to-load-a-uiview-from-a-nib of their window My question is this Having a very simple NIB that only has a UIView in addition to the default First Responder and Owning Object what is the simplest way to load the UIView into my code I have not been able to get loadNibNamed owner..
what actually is File Owner and First Responder in iPhone SDK - xCode? http://stackoverflow.com/questions/3768602/what-actually-is-file-owner-and-first-responder-in-iphone-sdk-xcode actually is File Owner and First Responder in iPhone SDK xCode what actually is File Owner and First Responder in iPhone SDK xCode iphone share improve this question.. actually is File Owner and First Responder in iPhone SDK xCode what actually is File Owner and First Responder in iPhone SDK xCode iphone share improve this question The File Owner is an instantiated runtime object that owns the..
Responding to touchesBegan in UIPickerView instead of UIView http://stackoverflow.com/questions/567805/responding-to-touchesbegan-in-uipickerview-instead-of-uiview UIPickerView and having a touchesBegan in there but it didn't work. I'm guessing it's something to do with the Responder chain but can't seem to work it out. objective c iphone cocoa touch uipickerview share improve this question I've been..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone allow me to set the control first iphone cocoa touch share improve this question In the documentation look for Responder Objects and the Responder Chain You can share touches between objects by forwarding the touch up the responder chain. Your.. first iphone cocoa touch share improve this question In the documentation look for Responder Objects and the Responder Chain You can share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder.. has been handled and disposed of. Apple suggests something like this based on the type of touch of course self.nextResponder touchesBegan touches withEvent event Rather than disposing of the touch event it is passed on. Sub classed UIButton MyButton.h..
iPhone Interface Builder and Delegates http://stackoverflow.com/questions/761814/iphone-interface-builder-and-delegates ie start out with a tab bar application or something in my MainWindow.xib file I see 5 items listed File's Owner First Responder App Delegate Window and Tab Bar Controller. If I make another .xib file and make a delegate for it and set that File's Owner.. the xib file. It is a proxy object. It represents the object that will become the xib's owner when it is loaded. First Responder and App Delegate are proxies also. The first responder is the object currently on top of the responder chain. When the state.. That's why it is not shown in Interface Builder. xib files contain actual serialized objects. File's Owner and First Responder are exceptions. They represent some other already existing object. File's Owner often a UIViewDelgate in non MainWindow.xib..
iOS app “next” key won't go to the next text field http://stackoverflow.com/questions/9540500/ios-app-next-key-wont-go-to-the-next-text-field on the Password text field but can't get the next return button to work on the Username to switch the focus or First Responder to the Password text box. I'm closing the keyboard while on the Password text field like this BOOL textFieldShouldReturn.. this BOOL textFieldShouldReturn UITextField theTextField if theTextField self.textPassword theTextField resignFirstResponder return YES I know it is something similar to this but just can't nail it down. iphone objective c ios xcode first responder..
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