2014/10/15 下午 10:07:46

iphone Programming Glossary: during

Apple PNS (push notification services) sample code

http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code

I was first testing the notification service. I like it because it is very simple and works well during testing. import socket ssl json struct # device token returned when the iPhone application # registers..

Custom animation for pushing a UIViewController

http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller

expand animation that means the new view expands from a given rectangle lets say 100 100 220 380 during the animation to full screen. Any suggestions where to start respectively any documents tutorials links..

iPhone reachability checking

http://stackoverflow.com/questions/1861656/iphone-reachability-checking

the rest of the application's interface and was done well tastefully. They said nothing about it during the approval process however we did get a personal phone call to verify that we were giving away items..

Adding Core Data to existing iPhone project

http://stackoverflow.com/questions/2032818/adding-core-data-to-existing-iphone-project

terminate. You should not use this function in a shipping application although it may be useful during development. If it is not possible to recover from the error display an alert panel that instructs the..

EXC_BAD_ACCESS signal received

http://stackoverflow.com/questions/327082/exc-bad-access-signal-received

memory may remain allocated while you are using it or be released but coincidentally still valid during your emulator testing but is more likely to be released and show up as bad access errors when running..

iPhone App Minus App Store?

http://stackoverflow.com/questions/37464/iphone-app-minus-app-store

applications. Updated applications just need to be relaunched. To make life easier for yourself during development you can setup SSH key authentication and add these extra steps as a custom build step in..

How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

the compiler actually is able to record all of the information about the selector and the object during compilation. It doesn't need to make any assumptions about anything. I checked this a year a so ago..

When is layoutSubviews called?

http://stackoverflow.com/questions/728372/when-is-layoutsubviews-called

is layoutSubviews called I have a custom view that's not getting layoutSubview messages during animation. I have a view that fills the screen. It has a custom subview at the bottom of the screen..

GCD, Threads, Program Flow and UI Updating

http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating

id obj simulate 5 seconds of work I added a slider to the form I can slide it back and forth during the 5 sec. sleep 5 self performSelectorOnMainThread @selector workDone withObject nil waitUntilDone.. simulate 5 seconds of work I added a slider to the form I can slide it back and forth during the 5 sec. sleep 5 void workDone self feedbackLabel setText @ Done ... self doWorkButton setEnabled..

To ARC or not to ARC? What are the pros and cons?

http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons

wrong on both sides. But if it's mixed ARC non ARC then there's a mismatch. ARC will leak memory during ObjC exception throws. An ObjC exception should be very close in time to the termination of your program... using fobjc arc exceptions but it incurs the penalties discussed below ARC will not leak memory during ObjC or C exception throws in ObjC code but this is at the cost of both time and space performance...

Apple PNS (push notification services) sample code

http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code

is a little bit of code in python that helped me out when I was first testing the notification service. I like it because it is very simple and works well during testing. import socket ssl json struct # device token returned when the iPhone application # registers to receive alerts deviceToken 'XXXXXXXX XXXXXXXX XXXXXXXX..

Custom animation for pushing a UIViewController

http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller

a view controller I would like to achieve something like an expand animation that means the new view expands from a given rectangle lets say 100 100 220 380 during the animation to full screen. Any suggestions where to start respectively any documents tutorials links Alright. I could make the expand animation with the following..

iPhone reachability checking

http://stackoverflow.com/questions/1861656/iphone-reachability-checking

to the internet to use this feature. It was in theme with the rest of the application's interface and was done well tastefully. They said nothing about it during the approval process however we did get a personal phone call to verify that we were giving away items that actually pertained to the movie. According to their..

Adding Core Data to existing iPhone project

http://stackoverflow.com/questions/2032818/adding-core-data-to-existing-iphone-project

abort causes the application to generate a crash log and terminate. You should not use this function in a shipping application although it may be useful during development. If it is not possible to recover from the error display an alert panel that instructs the user to quit the application by pressing the Home button...

EXC_BAD_ACCESS signal received

http://stackoverflow.com/questions/327082/exc-bad-access-signal-received

the immediate function that you retain it. If you don't the memory may remain allocated while you are using it or be released but coincidentally still valid during your emulator testing but is more likely to be released and show up as bad access errors when running on the device. The best way to track these things down and..

iPhone App Minus App Store?

http://stackoverflow.com/questions/37464/iphone-app-minus-app-store

uicache This only has to be done when you add or remove applications. Updated applications just need to be relaunched. To make life easier for yourself during development you can setup SSH key authentication and add these extra steps as a custom build step in your project. Note that if you wish to remove the application..

How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

@selector someMethod The reason for this is because the compiler actually is able to record all of the information about the selector and the object during compilation. It doesn't need to make any assumptions about anything. I checked this a year a so ago by looking at the source but don't have a reference right now...

When is layoutSubviews called?

http://stackoverflow.com/questions/728372/when-is-layoutsubviews-called

is layoutSubviews called I have a custom view that's not getting layoutSubview messages during animation. I have a view that fills the screen. It has a custom subview at the bottom of the screen that correctly resizes in IB if I change the height of the nav..

GCD, Threads, Program Flow and UI Updating

http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating

performLongRunningWork withObject nil void performLongRunningWork id obj simulate 5 seconds of work I added a slider to the form I can slide it back and forth during the 5 sec. sleep 5 self performSelectorOnMainThread @selector workDone withObject nil waitUntilDone YES void workDone id obj self feedbackLabel setText @ Done .....

To ARC or not to ARC? What are the pros and cons?

http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons

code then it doesn't matter because it will do it the same wrong on both sides. But if it's mixed ARC non ARC then there's a mismatch. ARC will leak memory during ObjC exception throws. An ObjC exception should be very close in time to the termination of your program. If you're catching a significant number of ObjC exceptions.. ObjC exceptions you're using them incorrectly. This is fixable using fobjc arc exceptions but it incurs the penalties discussed below ARC will not leak memory during ObjC or C exception throws in ObjC code but this is at the cost of both time and space performance. This is yet another in a long list of reasons to minimize your..

What do I have to do to get Core Data to automatically migrate models?

http://stackoverflow.com/questions/1018155/what-do-i-have-to-do-to-get-core-data-to-automatically-migrate-models

upgrade that model to the new model. This seems great and as simple as I wanted but I think you need to be careful during development as you change a model otherwise you will have to create a new version for each change. I think what I will do..

Apple PNS (push notification services) sample code

http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code

helped me out when I was first testing the notification service. I like it because it is very simple and works well during testing. import socket ssl json struct # device token returned when the iPhone application # registers to receive alerts..

How does the iOS app Display Recorder record the screen without using private API?

http://stackoverflow.com/questions/11090184/how-does-the-ios-app-display-recorder-record-the-screen-without-using-private-ap

tapped into private API libraries to accomplish this how were they able to do this in a way that wasn't detected during review My apologies if I'm missing something obvious that was introduced with a later version of iOS here. iphone objective..

Custom animation for pushing a UIViewController

http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller

something like an expand animation that means the new view expands from a given rectangle lets say 100 100 220 380 during the animation to full screen. Any suggestions where to start respectively any documents tutorials links Alright. I could..

Dragging an UIView inside UIScrollView

http://stackoverflow.com/questions/1481826/dragging-an-uiview-inside-uiscrollview

locationInView self.superview self.center location This works but not fully correct the tile sometimes falls down during the drag process. More precisely it stops receiving touchesMoved invocations and scroll view starts scrolling instead. I..

iPhone reachability checking

http://stackoverflow.com/questions/1861656/iphone-reachability-checking

It was in theme with the rest of the application's interface and was done well tastefully. They said nothing about it during the approval process however we did get a personal phone call to verify that we were giving away items that actually pertained..

Adding Core Data to existing iPhone project

http://stackoverflow.com/questions/2032818/adding-core-data-to-existing-iphone-project

a crash log and terminate. You should not use this function in a shipping application although it may be useful during development. If it is not possible to recover from the error display an alert panel that instructs the user to quit the..

EXC_BAD_ACCESS signal received

http://stackoverflow.com/questions/327082/exc-bad-access-signal-received

it. If you don't the memory may remain allocated while you are using it or be released but coincidentally still valid during your emulator testing but is more likely to be released and show up as bad access errors when running on the device. The..

iPhone App Minus App Store?

http://stackoverflow.com/questions/37464/iphone-app-minus-app-store

when you add or remove applications. Updated applications just need to be relaunched. To make life easier for yourself during development you can setup SSH key authentication and add these extra steps as a custom build step in your project. Note..

How do I open the Settings application from my application?

http://stackoverflow.com/questions/377102/how-do-i-open-the-settings-application-from-my-application

settings in the future. Unfortunately that means maintaining some minimal UI for your user to fill in their settings during that first launch but it seems better from a UX perspective to me than denying the user the joy of using the app immediately...

How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll

What are the Dangers of Method Swizzling in Objective C?

http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c

above it's pretty easy to understand. This one's already been solved Difficult to debug One of the confusions during debugging is seeing a strange backtrace where the swizzled names are mixed up and everything gets jumbled in your head...

Suspend the application

http://stackoverflow.com/questions/5360846/suspend-the-application

an operation that 䏭 underway. There should be no reason that you need to force your application into the background during its operation. It should remain fully functional when displayed onscreen and it should be up to the user when they want..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

for this is because the compiler actually is able to record all of the information about the selector and the object during compilation. It doesn't need to make any assumptions about anything. I checked this a year a so ago by looking at the source..

When is layoutSubviews called?

http://stackoverflow.com/questions/728372/when-is-layoutsubviews-called

GCD, Threads, Program Flow and UI Updating

http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating

performLongRunningWork id obj simulate 5 seconds of work I added a slider to the form I can slide it back and forth during the 5 sec. sleep 5 self performSelectorOnMainThread @selector workDone withObject nil waitUntilDone YES void workDone id.. void performLongRunningWork simulate 5 seconds of work I added a slider to the form I can slide it back and forth during the 5 sec. sleep 5 void workDone self feedbackLabel setText @ Done ... self doWorkButton setEnabled YES share improve..

Last In-First Out Stack with GCD?

http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd

updated on a background thread using GCD. However this loads the images in the order they were requested which means during rapid scrolling the queue becomes lengthy and when the user stops scrolling the current cells are the last to get updated...

To ARC or not to ARC? What are the pros and cons?

http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons

will do it the same wrong on both sides. But if it's mixed ARC non ARC then there's a mismatch. ARC will leak memory during ObjC exception throws. An ObjC exception should be very close in time to the termination of your program. If you're catching.. This is fixable using fobjc arc exceptions but it incurs the penalties discussed below ARC will not leak memory during ObjC or C exception throws in ObjC code but this is at the cost of both time and space performance. This is yet another..

Apple PNS (push notification services) sample code

http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code

deviceToken void application UIApplication application didFailToRegisterForRemoteNotificationsWithError NSError error During testing you can just kick the deviceToken to the console with NSLog then paste it into the python script above in production..

How to measure the distance covered by iphone during free fall?

http://stackoverflow.com/questions/1073608/how-to-measure-the-distance-covered-by-iphone-during-free-fall

to measure the distance covered by iphone during free fall During the free fall the iphone is supposed to send acceleration values as 0 on all the three axis. So how to detect the distance..

Symbolicating iPhone App Crash Reports

http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports

iPhone In-App Purchase Store Kit error -1003 “Cannot connect to iTunes Store”

http://stackoverflow.com/questions/1717700/iphone-in-app-purchase-store-kit-error-1003-cannot-connect-to-itunes-store

I've been working on adding in app purchases and was able to create and test in app purchases using Store Kit yay . During testing I exercised my app in a way which caused the app to crash mid purchase so I guess the normal cycle of receiving..

resize all subview in scrollViewDidZoom

http://stackoverflow.com/questions/19856928/resize-all-subview-in-scrollviewdidzoom

return mainView Everything is fine up to this. I have set scroll.minimumZoomScale 1 and scroll.maximumZoomScale 5 . During Zoom in time mainView Frame increase depend on scrollView.zoomScale and i have check void scrollViewDidZoom UIScrollView.. 2 than mainView Width height become 600 if i get scrollView.zoomScale 3 than mainView Width height become 900 During this process innerView resize due to autoresize property.But Width Height of innerView is 100 not change at zoom in out..

iPhone app rejection for using ICU (Unicode extensions)

http://stackoverflow.com/questions/2427838/iphone-app-rejection-for-using-icu-unicode-extensions

mail form Apple considering my application Thank you for submitting your update to 怷弮怷庛庰巹帢 to the App Store. During our review of your application we found it is using private APIs which is in violation of the iPhone Developer Program License..

Detecting Acceleration in a car (iPhone Accelerometer)

http://stackoverflow.com/questions/2733249/detecting-acceleration-in-a-car-iphone-accelerometer

two important stages to this calibration and actual driving. Our initial run was simple and suffered the consequences. During the calibration stage I took the average force on the phone and during running I just subtracted the average force from.. to a solution that I have been trying to implement for longer than I would like to admit. It's steps are as follows 1 During calibration measure gravity as a vector instead of a size. Store that vector. 2 When the car initially moves forward take..

shouldAutorotateToInterfaceOrientation doesn't work

http://stackoverflow.com/questions/2868132/shouldautorotatetointerfaceorientation-doesnt-work

UIInterfaceOrientation interfaceOrientation return YES to ALL of my viewControllers does not do the work. During Debug i see that this method is called but it just won't work not in the simulator not in the device not in Iphone not in..

How do I reset after a UIScrollView zoom?

http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom

the device most often when threads are involved . The view scaling is an issue with UIScrollView I've run into though. During a pinch zooming event UIScrollView will take the view you specified in the viewForZoomingInScrollView delegate method and..

How to steal touches from UIScrollView?

http://stackoverflow.com/questions/4629499/how-to-steal-touches-from-uiscrollview

However the picker view was still not responding. I also tried one last thing before returning to my regular work. During my extensive googling I read that nested UIScrollViews just magically worked since 3.x so I tried putting my picker view..

What precisely happens when iOS installs an update to an app?

http://stackoverflow.com/questions/5225974/what-precisely-happens-when-ios-installs-an-update-to-an-app

iphone xcode share improve this question From the iOS Application Programming Guide see the Files Saved During Application Updates section within The File System When a user downloads an application update iTunes installs the update..

UILabel updating stops during scrolling UIScrollView

http://stackoverflow.com/questions/5377914/uilabel-updating-stops-during-scrolling-uiscrollview

super view level that receives updated values on its text property from a NSTimer every millisecond. The problem is During scrolling the label stops to display the updates. When the scrolling is end updates on the label restart. When updates restart..

Performing iPhone optimization on externally downloaded PNGs

http://stackoverflow.com/questions/640909/performing-iphone-optimization-on-externally-downloaded-pngs

grateful for any help. Thanks Update Some folks have suggested that it may be due to the file's size but it isn't. During my tests I added a toggle button to switch between using the embedded version and the downloaded version of exactly the.. help iphone optimization png share improve this question That link you posted pretty much answers your question. During the build process XCode pre processes your png so it's in a format that's more friendly to the graphics chip in the iPhone...

UIView scaling during animation

http://stackoverflow.com/questions/818207/uiview-scaling-during-animation

to the new size. At least during the animation. So the at the beginning and the end of the animation all is good. During the animation the tiles are distorted. Why is CA trying to scale How can I prevent it from doing so What did I miss iphone..

MKMapView annotations changing/losing order?

http://stackoverflow.com/questions/9539802/mkmapview-annotations-changing-losing-order

are a custom class that implements MKAnnotation . Let's call that class MyClass. They are stored in an NSMutableArray. During viewdidload of this view I add each object of MyClass in this array to the map view's annotations. Using the debugger I..

Make UIViewController a singleton?

http://stackoverflow.com/questions/9842221/make-uiviewcontroller-a-singleton

UIViewController a singleton During the use of my app the user should be able to start stop forward background music. Across several UIViewControllers . For..

How to deal with non-visible rows during row deletion. (UITableViews)

http://stackoverflow.com/questions/998603/how-to-deal-with-non-visible-rows-during-row-deletion-uitableviews

populate it's cells data. I use a key filteredDataSet to determine whether a cell should remain in the filtered table. During the tableview cell deletion I swap tableGroups to point to the updated model. I am created my code similar to Matt Gallagher..