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2014/10/15 ¤U¤È 10:13:39
iphone Programming Glossary: scheduledUILocalNotification - Fire and Repeat at particular time each day http://stackoverflow.com/questions/10375128/uilocalnotification-fire-and-repeat-at-particular-time-each-day self scheduleNotificationForDate myNewDate void scheduleNotificationForDate NSDate date Here we cancel all previously scheduled notifications UIApplication sharedApplication cancelAllLocalNotifications UILocalNotification localNotification UILocalNotification..
iOS: Keep an app running like a service http://stackoverflow.com/questions/11044095/ios-keep-an-app-running-like-a-service a newstand app . 2 When an app is suspended it cannot do ANYTHING to rouse itself directly. It cannot previously have scheduled an NSTimer it cannot make use of something like performSelector afterDelay. etc. The ONLY way the app can become active.. a Launch the app directly from its icon b Launch the app in response to a local notification that was previously scheduled by the app while it was active. c Launch the app in response to a remote notification sent by a server. d A few others such..
NSBlockOperation or NSOperation with ALAsset Block to display photo-library images using ALAsset URL http://stackoverflow.com/questions/11580918/nsblockoperation-or-nsoperation-with-alasset-block-to-display-photo-library-imag call on the main queue to update the UIImageView with the image. It's asynchronous so your other tasks can be scheduled in the background and it's safe as it is running on the main queue which is the main thread. share improve this answer..
what is the first step in (NSTimer release and invalidate)? http://stackoverflow.com/questions/1171393/what-is-the-first-step-in-nstimer-release-and-invalidate timer from the perspective of memory management there's typically no need to keep a reference to a timer once you ™ve scheduled it. Since the timer is passed as an argument when you specify its method as a selector you can invalidate a repeating timer.. a reference to the timer so that you can send it an invalidate message whenever is appropriate. If you create an unscheduled timer see œUnscheduled Timers a then you must maintain a strong reference to the timer in a reference counted environment.. timer so that you can send it an invalidate message whenever is appropriate. If you create an unscheduled timer see œUnscheduled Timers a then you must maintain a strong reference to the timer in a reference counted environment you retain it so that..
Set repeatInterval in local notification http://stackoverflow.com/questions/14769462/set-repeatinterval-in-local-notification dateWithTimeIntervalSinceNow pickerTimer countDownDuration if localNotification.fireDate self _showAlert @ Time is scheduled withTitle @ Daily Achiever localNotification.timeZone NSTimeZone systemTimeZone localNotification.alertBody @ alaram localNotification.soundName..
camera overlay view - just for preview? http://stackoverflow.com/questions/2081872/camera-overlay-view-just-for-preview viewController presentModalViewController anImagePickerController animated NO anImagePickerController release NSTimer scheduledTimerWithTimeInterval 0.1 target self selector @selector timerFireMethod userInfo anImageView repeats YES anImageView.. overlay view anImageView is released a NSTimer is created initialized with anImageView NSTimer userInfo property and scheduled right away. Here's the method it calls void timerFireMethod NSTimer theTimer UIView cameraOverlayView UIView theTimer.userInfo..
http://stackoverflow.com/questions/3158264/cancel-uilocalnotification there a smarter way iphone cocoa touch notifications ios4 share improve this question You can get a list of all scheduled notifications from scheduledLocalNotifications or you can cancel them all UIApplication sharedApplication cancelAllLocalNotifications.. cocoa touch notifications ios4 share improve this question You can get a list of all scheduled notifications from scheduledLocalNotifications or you can cancel them all UIApplication sharedApplication cancelAllLocalNotifications share improve..
Is background GPS\location logging possible on iPhone 4 or 3GS running on iOS4 http://stackoverflow.com/questions/3160431/is-background-gps-location-logging-possible-on-iphone-4-or-3gs-running-on-ios4 to log a GPS trail with an app running on the iPhone iOS4 Can you achieve this by running in the background or using scheduled push notifications to wake up the app or some other way Also if the above is possible is it possible to transmit the GPS..
local notification “didReceiveLocalNotification” calls twice http://stackoverflow.com/questions/3227080/local-notification-didreceivelocalnotification-calls-twice infoDict UIApplication sharedApplication scheduleLocalNotification localNotif localNotif release NSLog @ Event scheduled When I receive a notification didReceiveLocalNotification is called twice. Am I doing something wrong Please help. Thanks...
Is there a simple way to edit / modify a UILocalNotification http://stackoverflow.com/questions/3842252/is-there-a-simple-way-to-edit-modify-a-uilocalnotification to edit modify a UILocalNotification Is there an easier way to edit for example the alertBody property of an already scheduled UILocalNotification For now I just cancel the notification and schedule a new one but when the app needs to do this for.. local uilocalnotification share improve this question If the documentation is correct you can't alter an already scheduled notification. The doc states for scheduleLocalNotification ¦] Because the operating system copies notification you may release.. for scheduleLocalNotification ¦] Because the operating system copies notification you may release it once you have scheduled it. The notification object is copied by the system and not accessible via any public method. So there's no other solution..
Game engine for iPhone/Android [closed] http://stackoverflow.com/questions/3996793/game-engine-for-iphone-android
cocos2d: playing a video in the background of a menu http://stackoverflow.com/questions/4454758/cocos2d-playing-a-video-in-the-background-of-a-menu do but that event is actually never catched neither on the simulator nor on the target Ipod. I have therefore added a scheduled selector void update which is implemented this way void update NSArray windows UIApplication sharedApplication windows if..
Repeating NSTimer, weak reference, owning reference or iVar? http://stackoverflow.com/questions/4945028/repeating-nstimer-weak-reference-owning-reference-or-ivar viewDidLoad once created the NSTimer needs to stay around so it can be accessed by other methods. NSTimer ti NSTimer scheduledTimerWithTimeInterval 1 target self selector @selector updateDisplay userInfo nil repeats YES I understand that.. . 3 Use an iVar and rely on the runLoop holding i.e. retaining the timer NSTimer walkTimer NSTimer walkTimer NSTimer scheduledTimerWithTimeInterval 1 target self selector @selector updateDisplay userInfo nil repeats YES ... ... Cancel.. example of what the class reference examples show @property nonatomic retain NSTimer updateTimer updateTimer NSTimer scheduledTimerWithTimeInterval .01 target self selector @selector updateCurrentTime userInfo p repeats YES ... ... Cancel updateTimer..
How to Maintain VOIP socket connection in background? http://stackoverflow.com/questions/5987495/how-to-maintain-voip-socket-connection-in-background the disconnects on the client and server side. And will increase the time between the disconnect and reconnect. BOOL scheduled app setKeepAliveTimeout pingTimeout handler ^ Schedule processing after some time interval SchedulePing 0 Where SchedulePing..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application in the foreground but doesn't seem to be designed for background tasks Local notifications Local notifications can be scheduled every n minutes but it's not possible to execute some code to get the current location without the user having to launch..
http://stackoverflow.com/questions/8172473/nstimer-reliable-alternatives bit making for inaccurate readings. What is a reliable alternative to use My current code is as follows timer NSTimer scheduledTimerWithTimeInterval 1.0 target self selector @selector update userInfo nil repeats YES iphone objective c ios nstimer.. to fire exactly on time ever. But you can use an NSTimer in a much more reliable way than you are now. When you use scheduledTimerWithTimeInterval you create an NSTimer which is scheduled in the run loop for NSDefaultRunLoopMode . This mode is paused.. a much more reliable way than you are now. When you use scheduledTimerWithTimeInterval you create an NSTimer which is scheduled in the run loop for NSDefaultRunLoopMode . This mode is paused when the UI is being used so your timers won't fire when..
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