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2014/10/15 ¤U¤È 10:09:57
iphone Programming Glossary: handlerhow to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif doesn't give you the SMS content anymore. So if you put the following code in your notification handler you should be able to see the message text NSString mostRecentSMS NSString text @ sqlite3 database if..
Getting thumbnail from a video url or data in IPhone SDK http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk asset release CMTime thumbTime CMTimeMakeWithSeconds 0 30 AVAssetImageGeneratorCompletionHandler handler ^ CMTime requestedTime CGImageRef im CMTime actualTime AVAssetImageGeneratorResult result NSError error..
Detecting which UIButton was pressed in a UITableView http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview self action @selector checkButtonTapped forControlEvents UIControlEventTouchUpInside Then in touch handler touch coordinate retrieved and index path is calculated from that coordinate void checkButtonTapped..
Does UIGestureRecognizer work on a UIWebView? http://stackoverflow.com/questions/2909807/does-uigesturerecognizer-work-on-a-uiwebview 'touchend' touch_end false The actual event handling depends a lot on your needs. Each event handler will receive a TouchEvent with a touches property where each item is a Touch . You can record the start.. where each item is a Touch . You can record the start time and location in your touchstart handler. If the touches move to far or the wrong amount of time passes it is not a long touch. WebKit may try.. a long touch. WebKit may try to handle a long touch to start a selection and copy. In your event handler you can use event.preventDefault to stop the default behavior. I also found the webkit user select none..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events 10Minutes is okay. BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout 600 handler ^ self backgroundHandler if backgroundAccepted NSLog @ VOIP backgrounding accepted Now the magic happens.. that means if you do nothing your app is still being executed Apple suggest to call an expirationhandler if you are finished with your work. In the code below you can see that i have a comment at the expirationHandler... application BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout 600 handler ^ self backgroundHandler if backgroundAccepted NSLog @ VOIP backgrounding accepted UIApplication app..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers button in the UI. We'll call the delegate's childViewController didChooseValue method inside this handler. IBAction handleCloseButton id sender @end 3. Definition of the delegate's interface @protocol ChildViewControllerDelegate..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif to get the kCTMessageReceivedNotification is ok ... it just doesn't give you the SMS content anymore. So if you put the following code in your notification handler you should be able to see the message text NSString mostRecentSMS NSString text @ sqlite3 database if sqlite3_open @ private var mobile Library SMS sms.db UTF8String..
Getting thumbnail from a video url or data in IPhone SDK http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk asset generator.appliesPreferredTrackTransform TRUE asset release CMTime thumbTime CMTimeMakeWithSeconds 0 30 AVAssetImageGeneratorCompletionHandler handler ^ CMTime requestedTime CGImageRef im CMTime actualTime AVAssetImageGeneratorResult result NSError error if result AVAssetImageGeneratorSucceeded NSLog @ couldn't..
Detecting which UIButton was pressed in a UITableView http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview sample the following method is used button addTarget self action @selector checkButtonTapped forControlEvents UIControlEventTouchUpInside Then in touch handler touch coordinate retrieved and index path is calculated from that coordinate void checkButtonTapped id sender CGPoint buttonPosition sender convertPoint CGPointZero..
Does UIGestureRecognizer work on a UIWebView? http://stackoverflow.com/questions/2909807/does-uigesturerecognizer-work-on-a-uiwebview 'touchmove' touch_move false document.addEventListener 'touchend' touch_end false The actual event handling depends a lot on your needs. Each event handler will receive a TouchEvent with a touches property where each item is a Touch . You can record the start time and location in your touchstart handler. If the touches.. event handler will receive a TouchEvent with a touches property where each item is a Touch . You can record the start time and location in your touchstart handler. If the touches move to far or the wrong amount of time passes it is not a long touch. WebKit may try to handle a long touch to start a selection and copy. In your.. move to far or the wrong amount of time passes it is not a long touch. WebKit may try to handle a long touch to start a selection and copy. In your event handler you can use event.preventDefault to stop the default behavior. I also found the webkit user select none css property handy for some things. var touch function touch_start..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events application This is where you can do your X Minutes if 10Minutes is okay. BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout 600 handler ^ self backgroundHandler if backgroundAccepted NSLog @ VOIP backgrounding accepted Now the magic happens I don't even use VoIP Sockets. But this 10 Minutes callback.. to finish tasks. I discovered that this must be CPU time. So that means if you do nothing your app is still being executed Apple suggest to call an expirationhandler if you are finished with your work. In the code below you can see that i have a comment at the expirationHandler. This will cause your app running as long as the.. sleep 1 void applicationDidEnterBackground UIApplication application BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout 600 handler ^ self backgroundHandler if backgroundAccepted NSLog @ VOIP backgrounding accepted UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers A simple IBAction method that I'll associate with a close button in the UI. We'll call the delegate's childViewController didChooseValue method inside this handler. IBAction handleCloseButton id sender @end 3. Definition of the delegate's interface @protocol ChildViewControllerDelegate NSObject void childViewController ChildViewController..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif is ok ... it just doesn't give you the SMS content anymore. So if you put the following code in your notification handler you should be able to see the message text NSString mostRecentSMS NSString text @ sqlite3 database if sqlite3_open @ private..
Getting thumbnail from a video url or data in IPhone SDK http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk TRUE asset release CMTime thumbTime CMTimeMakeWithSeconds 0 30 AVAssetImageGeneratorCompletionHandler handler ^ CMTime requestedTime CGImageRef im CMTime actualTime AVAssetImageGeneratorResult result NSError error if result AVAssetImageGeneratorSucceeded..
Detecting which UIButton was pressed in a UITableView http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview button addTarget self action @selector checkButtonTapped forControlEvents UIControlEventTouchUpInside Then in touch handler touch coordinate retrieved and index path is calculated from that coordinate void checkButtonTapped id sender CGPoint buttonPosition..
Does UIGestureRecognizer work on a UIWebView? http://stackoverflow.com/questions/2909807/does-uigesturerecognizer-work-on-a-uiwebview document.addEventListener 'touchend' touch_end false The actual event handling depends a lot on your needs. Each event handler will receive a TouchEvent with a touches property where each item is a Touch . You can record the start time and location.. with a touches property where each item is a Touch . You can record the start time and location in your touchstart handler. If the touches move to far or the wrong amount of time passes it is not a long touch. WebKit may try to handle a long touch.. time passes it is not a long touch. WebKit may try to handle a long touch to start a selection and copy. In your event handler you can use event.preventDefault to stop the default behavior. I also found the webkit user select none css property handy..
What does this ^ syntax mean in Objective-C? http://stackoverflow.com/questions/3499186/what-does-this-syntax-mean-in-objective-c that requires a second parameter of type 'void ^ void '. BOOL setKeepAliveTimeout NSTimeInterval timeout handler void ^ void keepAliveHandler What exactly does the syntax of the second param mean and how would I declare a function handler.. void ^ void keepAliveHandler What exactly does the syntax of the second param mean and how would I declare a function handler that I can pass into it FWIW the following is not what it's looking for... void SomeHandler void iphone objective c objective..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events your X Minutes if 10Minutes is okay. BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout 600 handler ^ self backgroundHandler if backgroundAccepted NSLog @ VOIP backgrounding accepted Now the magic happens I don't even.. must be CPU time. So that means if you do nothing your app is still being executed Apple suggest to call an expirationhandler if you are finished with your work. In the code below you can see that i have a comment at the expirationHandler. This will.. UIApplication application BOOL backgroundAccepted UIApplication sharedApplication setKeepAliveTimeout 600 handler ^ self backgroundHandler if backgroundAccepted NSLog @ VOIP backgrounding accepted UIApplication app UIApplication sharedApplication..
iPhone:Programmatically compressing recorded video to share? http://stackoverflow.com/questions/5687341/iphoneprogrammatically-compressing-recorded-video-to-share up on how iOS manages Assets . void convertVideoToLowQuailtyWithInputURL NSURL inputURL outputURL NSURL outputURL handler void ^ AVAssetExportSession handler NSFileManager defaultManager removeItemAtURL outputURL error nil AVURLAsset asset AVURLAsset.. convertVideoToLowQuailtyWithInputURL NSURL inputURL outputURL NSURL outputURL handler void ^ AVAssetExportSession handler NSFileManager defaultManager removeItemAtURL outputURL error nil AVURLAsset asset AVURLAsset URLAssetWithURL inputURL options.. exportSession.outputFileType AVFileTypeQuickTimeMovie exportSession exportAsynchronouslyWithCompletionHandler ^ void handler exportSession exportSession release void imagePickerController UIImagePickerController picker didFinishPickingMediaWithInfo..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers with a close button in the UI. We'll call the delegate's childViewController didChooseValue method inside this handler. IBAction handleCloseButton id sender @end 3. Definition of the delegate's interface @protocol ChildViewControllerDelegate..
http://stackoverflow.com/questions/7010547/uitextfield-text-change-event did not get the updated text the user has typed. Is their any way to get something like textChanged Java event handler. BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string if textField.tag..
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