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2014/10/15 ¤U¤È 10:04:33

iphone Programming Glossary: becomefirstresponder

How to get UIMenuController work for a custom view?

http://stackoverflow.com/questions/1146587/how-to-get-uimenucontroller-work-for-a-custom-view

UIMenuItem resetMenuItem UIMenuItem alloc initWithTitle @ Item action @selector menuItemClicked NSAssert self becomeFirstResponder @ Sorry UIMenuController will not work with @ since it cannot become first responder self menuController setMenuItems NSArray.. What has to be done in order for menu to work is that the firstResponder in our case our controller see line with self becomeFirstResponder has to be able to become first responder override method canBecomeFirstResponder cause default implementation returns NO..

motionBegan: Not Working

http://stackoverflow.com/questions/1342674/motionbegan-not-working

NSCoder coder 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.. IBOutlet UIScrollView scrollView Second Example .m void applicationDidFinishLaunching UIApplication application self becomeFirstResponder The second example returns the following warning 'TestApplicationAppDelegate' may not respond to ' becomeFirstResponder'.. The second example returns the following warning 'TestApplicationAppDelegate' may not respond to ' becomeFirstResponder' iphone cocoa cocoa touch motion share improve this question I assume you want to implement this in a subclass of UIViewController..

“wait_fences: failed to receive reply: 10004003”?

http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003

only the first time my view is loaded due to the following line of code void viewWillAppear BOOL animated textField becomeFirstResponder There is a noticeable ~3 “Â second even on the simulator delay due to this that makes my app feel unresponsive. Does anyone..

How do I detect when someone shakes an iPhone?

http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone

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 super viewWillDisappear..

Customize UIMenuController

http://stackoverflow.com/questions/1604716/customize-uimenucontroller

onShowMenu autorelease _myview addGestureRecognizer gr void onShowMenu UIGestureRecognizer sender sender.view becomeFirstResponder UIMenuController mc UIMenuController sharedMenuController CGRect bounds sender.view.bounds mc setTargetRect sender.view.frame..

Enable copy and paste on UITextField without making it editable

http://stackoverflow.com/questions/1920541/enable-copy-and-paste-on-uitextfield-without-making-it-editable

return YES else return super canPerformAction action withSender sender BOOL canBecomeFirstResponder return YES BOOL becomeFirstResponder if super becomeFirstResponder self.highlighted YES return YES return NO void copy id sender UIPasteboard board UIPasteboard.. canPerformAction action withSender sender BOOL canBecomeFirstResponder return YES BOOL becomeFirstResponder if super becomeFirstResponder self.highlighted YES return YES return NO void copy id sender UIPasteboard board UIPasteboard generalPasteboard board setString.. sharedMenuController menu setMenuVisible NO animated YES menu update self resignFirstResponder else if self becomeFirstResponder UIMenuController menu UIMenuController sharedMenuController menu setTargetRect self.bounds inView self menu setMenuVisible..

How does undo/redo basically work on iPhone OS?

http://stackoverflow.com/questions/2449268/how-does-undo-redo-basically-work-on-iphone-os

The view controller will need to become the first responder when it appears onscreen. This can be done by calling self becomeFirstResponder in loadView or viewDidLoad but I have found that view controllers which appear onscreen immediately after launch need to.. after launch need to have this message delayed a bit in order for it to work self performSelector @selector becomeFirstResponder withObject nil afterDelay 0.3 With all this in place you should get automatic undo and redo support courtesy of Core Data..

How to enable iPod controls in the background to control non-iPod music in iOS 4?

http://stackoverflow.com/questions/3196330/how-to-enable-ipod-controls-in-the-background-to-control-non-ipod-music-in-ios-4

BOOL animated super viewDidAppear animated UIApplication sharedApplication beginReceivingRemoteControlEvents self becomeFirstResponder BOOL canBecomeFirstResponder return YES I have to give credit to Grant. He has forked Matt Gallagher's AudioStreamer enabling..

Keeping object on top of keyboard in the event of becomeFirstResponder or resignFirstResponder?

http://stackoverflow.com/questions/8704137/keeping-object-on-top-of-keyboard-in-the-event-of-becomefirstresponder-or-resign

object on top of keyboard in the event of becomeFirstResponder or resignFirstResponder I currently have a UITextField on top of a keyboard. When you tap it it should stick on top of.. setAnimationCurve UIViewAnimationCurveLinear Frame changes go here move down 216px UIView commitAnimations theTextView becomeFirstResponder UIView beginAnimations nil context NULL UIView setAnimationDelegate self UIView setAnimationDuration 0.25 UIView setAnimationCurve..