¡@
2014/10/15 ¤U¤È 10:09:57
iphone Programming Glossary: happeniOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size doubled the pixels with the retina non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally.. to check the screen size every time you have to draw something like many answers say. Does that happen with the iPad iphone ios iphone 5 share improve this question All apps will continue to work in..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone delegate doneSelector errorSelector Initializer. Kicks off the upload. Note that upload will happen on a separate thread. Results An instance of Uploader. Side effects None id initWithURL NSURL aServerURL..
http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph . The same warning email was received. I decided to not change anything and wait to see what would happen next. To my utter amazement the app went into the review stage 20 hours later and was released on the..
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav set in field currentSetSizeForPopover then the popover will not change the size. For this to happen you can firstly set the fake size which will be different than one which was set before followed by..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now step you setNeedsDisplay wrong 5 until all the work is done 6 Of course when you do that all that happens is that drawRect is run once only after step 6. What you want is for the ^ £@ @ view to be refreshed.. which methods work and which do not. you can see the bizarre progressive slow down . why does it happen you can see with the controversial TOMSWIFT method there is actually no problem at all with responsiveness... ios cocoa quartz graphics runloop share improve this question Updates to the user interface happen at the end of the current pass through the run loop. These updates are performed on the main thread..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes of NSEntityMigrationPolicy . This policy class implements some methods to make our migration happen. However it's simple in this case so we will have to implement only one method createDestinationInstancesForSourceInstance..
MKAnnotationView - Lock custom annotation view to pin on location updates http://stackoverflow.com/questions/6392931/mkannotationview-lock-custom-annotation-view-to-pin-on-location-updates to the correct position right over the pin. So now I need to figure out how to get this to happen without the user having to actually pinch to zoom. Original Post I along with other SO users are using..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c pass the responsibility for releasing the string on to the thread's NSAutoreleasePool which will happen at some later time. The consequence is that the returned string will still be valid for the caller of..
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 could end up with crashes in code that the compiler thinks is fine. This is very rare but could happen. Usually you'll just get a warning that it doesn't know which of two method signatures to choose from...
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample text.txt and will display that to the user. If the user does not have iCloud enabled nothing will happen. How will I make it possible that non iCloud users can still work with my text app Or do I simply ignore..
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview implementation of drawRect . Any drawing that should be affected by the shadow setting needs to happen after CGContextSetShadow currentContext CGSizeMake 15 20 5 but before CGContextRestoreGState currentContext..
Objective-C ARC: strong vs retain and weak vs assign http://stackoverflow.com/questions/8927727/objective-c-arc-strong-vs-retain-and-weak-vs-assign when I send a message to the pointer once it's been released. But if I use weak this won't ever happen because message send to nil won't do anything. I don't know about any differences between strong and..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size height things like GCRectMake that use coordinates and just doubled the pixels with the retina non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple will require you to check the screen.. for the iPad I personally don't think Apple will require you to check the screen size every time you have to draw something like many answers say. Does that happen with the iPad iphone ios iphone 5 share improve this question All apps will continue to work in the vertically stretched screen from what I could tell in today's..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone @implementation EPUploader Uploader initWithURL filePath delegate doneSelector errorSelector Initializer. Kicks off the upload. Note that upload will happen on a separate thread. Results An instance of Uploader. Side effects None id initWithURL NSURL aServerURL IN filePath NSString aFilePath IN delegate id aDelegate..
http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph 152.png 152x152 but it did not add them to the info.plist . The same warning email was received. I decided to not change anything and wait to see what would happen next. To my utter amazement the app went into the review stage 20 hours later and was released on the market the very next day Kind of makes me wonder how many..
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav have to be careful when you will set the same size as was already set in field currentSetSizeForPopover then the popover will not change the size. For this to happen you can firstly set the fake size which will be different than one which was set before followed by setting the proper size. This solution will work even if your..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now 3 creates a more and more complicated artwork and 4 at each step you setNeedsDisplay wrong 5 until all the work is done 6 Of course when you do that all that happens is that drawRect is run once only after step 6. What you want is for the ^ £@ @ view to be refreshed at point 5. This can lead to you smashing your ipops on the.. to inval self setNeedsDisplay #endif You can see for yourself which methods work and which do not. you can see the bizarre progressive slow down . why does it happen you can see with the controversial TOMSWIFT method there is actually no problem at all with responsiveness. tap for response at any time. but still the bizarre.. in the other specific question hope it helps. iphone ios cocoa quartz graphics runloop share improve this question Updates to the user interface happen at the end of the current pass through the run loop. These updates are performed on the main thread so anything that runs for a long time in the main thread lengthy..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes we add a custom policy to the entity. This is always a subclass of NSEntityMigrationPolicy . This policy class implements some methods to make our migration happen. However it's simple in this case so we will have to implement only one method createDestinationInstancesForSourceInstance entityMapping manager error . The implementation..
MKAnnotationView - Lock custom annotation view to pin on location updates http://stackoverflow.com/questions/6392931/mkannotationview-lock-custom-annotation-view-to-pin-on-location-updates out after the pin has been updated the callout annotation animates to the correct position right over the pin. So now I need to figure out how to get this to happen without the user having to actually pinch to zoom. Original Post I along with other SO users are using this awesome solution to create a custom callout annotation..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c returning the string. By explicitly calling autorelease we pass the responsibility for releasing the string on to the thread's NSAutoreleasePool which will happen at some later time. The consequence is that the returned string will still be valid for the caller of this function. return s autorelease I realize all of this..
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 you objects as id and you're not importing all headers. You could end up with crashes in code that the compiler thinks is fine. This is very rare but could happen. Usually you'll just get a warning that it doesn't know which of two method signatures to choose from. 3 See the ARC reference on retained return values and unretained..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample is not found in the cloud it will simply create a new text.txt and will display that to the user. If the user does not have iCloud enabled nothing will happen. How will I make it possible that non iCloud users can still work with my text app Or do I simply ignore them Would I need to write separate functions for non iCloud..
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview it to draw a shadow. Then finally you invoke the superclass's implementation of drawRect . Any drawing that should be affected by the shadow setting needs to happen after CGContextSetShadow currentContext CGSizeMake 15 20 5 but before CGContextRestoreGState currentContext So if you want the superclass's drawRect to be 'wrapped'..
Objective-C ARC: strong vs retain and weak vs assign http://stackoverflow.com/questions/8927727/objective-c-arc-strong-vs-retain-and-weak-vs-assign pointer while assign won't which means the program will crash when I send a message to the pointer once it's been released. But if I use weak this won't ever happen because message send to nil won't do anything. I don't know about any differences between strong and retain . Is there any reason why should I use assign and retain..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size and just doubled the pixels with the retina non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple.. Apple will require you to check the screen size every time you have to draw something like many answers say. Does that happen with the iPad iphone ios iphone 5 share improve this question All apps will continue to work in the vertically stretched..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone initWithURL filePath delegate doneSelector errorSelector Initializer. Kicks off the upload. Note that upload will happen on a separate thread. Results An instance of Uploader. Side effects None id initWithURL NSURL aServerURL IN filePath..
http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph to the info.plist . The same warning email was received. I decided to not change anything and wait to see what would happen next. To my utter amazement the app went into the review stage 20 hours later and was released on the market the very next..
UITableView issue when using separate delegate/dataSource http://stackoverflow.com/questions/254354/uitableview-issue-when-using-separate-delegate-datasource When complete I do not have a working UITableView . I end up with one of three outcomes which can seemingly happen at random When the UITableView loads I get a runtime error indicating I am sending tableView cellForRowAtIndexPath to an..
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav same size as was already set in field currentSetSizeForPopover then the popover will not change the size. For this to happen you can firstly set the fake size which will be different than one which was set before followed by setting the proper size...
http://stackoverflow.com/questions/3319805/detecting-call-state-in-ios4 In CTCallCenter there is a method callEventHandler that you can pass a block that will get called when call events happen. In this block you'll be passed a CTCall object and can get the callState . So you can get a notification when a call is..
iphone how to get crash log from customers? http://stackoverflow.com/questions/3844482/iphone-how-to-get-crash-log-from-customers crash. Parse the crash report and send it to the server. If it crashes now the file has been deleted so it shouldn't happen again. Finally enable crash reporting so if it crashes in steps 1 or 2 the crash isn't logged . In any case you should have..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now and 4 at each step you setNeedsDisplay wrong 5 until all the work is done 6 Of course when you do that all that happens is that drawRect is run once only after step 6. What you want is for the ^ £@ @ view to be refreshed at point 5. This can.. can see for yourself which methods work and which do not. you can see the bizarre progressive slow down . why does it happen you can see with the controversial TOMSWIFT method there is actually no problem at all with responsiveness. tap for response.. hope it helps. iphone ios cocoa quartz graphics runloop share improve this question Updates to the user interface happen at the end of the current pass through the run loop. These updates are performed on the main thread so anything that runs..
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 frame void load self swizzle @selector setFrame with @selector my_setFrame @end This works just fine but what would happen if my_setFrame was defined somewhere else This problem isn't unique to swizzling but we can work around it anyway. The workaround.. should not be done. You are changing the arguments passed to the original method's implementation. This is where it happens self my_setFrame frame What line does is objc_msgSend self @selector my_setFrame frame Which will use the runtime to look.. setFrame with @selector my_controlSetFrame NSView swizzle @selector setFrame with @selector my_viewSetFrame What happens when the method on NSButton is swizzled Well most swizzling will ensure that it's not replacing the implementation of setFrame..
iPhone: Incrementing the application badge through a local notification http://stackoverflow.com/questions/5962054/iphone-incrementing-the-application-badge-through-a-local-notification 23 Update I found a far from being perfect solution. You can predict what will happen if the user doesn't open the app and add notifications for every 1 event. An example For day 1 Count 0 For day 2 localNotification.applicationIconBadgeNumber..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes This is always a subclass of NSEntityMigrationPolicy . This policy class implements some methods to make our migration happen. However it's simple in this case so we will have to implement only one method createDestinationInstancesForSourceInstance..
MKAnnotationView - Lock custom annotation view to pin on location updates http://stackoverflow.com/questions/6392931/mkannotationview-lock-custom-annotation-view-to-pin-on-location-updates callout annotation animates to the correct position right over the pin. So now I need to figure out how to get this to happen without the user having to actually pinch to zoom. Original Post I along with other SO users are using this awesome solution..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c autorelease we pass the responsibility for releasing the string on to the thread's NSAutoreleasePool which will happen at some later time. The consequence is that the returned string will still be valid for the caller of this function. return..
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 all headers. You could end up with crashes in code that the compiler thinks is fine. This is very rare but could happen. Usually you'll just get a warning that it doesn't know which of two method signatures to choose from. 3 See the ARC reference..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample simply create a new text.txt and will display that to the user. If the user does not have iCloud enabled nothing will happen. How will I make it possible that non iCloud users can still work with my text app Or do I simply ignore them Would I need..
How do I draw a shadow under a UIView? http://stackoverflow.com/questions/805872/how-do-i-draw-a-shadow-under-a-uiview the superclass's implementation of drawRect . Any drawing that should be affected by the shadow setting needs to happen after CGContextSetShadow currentContext CGSizeMake 15 20 5 but before CGContextRestoreGState currentContext So if you want..
Objective-C ARC: strong vs retain and weak vs assign http://stackoverflow.com/questions/8927727/objective-c-arc-strong-vs-retain-and-weak-vs-assign the program will crash when I send a message to the pointer once it's been released. But if I use weak this won't ever happen because message send to nil won't do anything. I don't know about any differences between strong and retain . Is there any..
|