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2014/10/15 ¤U¤È 10:12:20
iphone Programming Glossary: onHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using.. to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the.. to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136.. to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required.. to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the.. iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary.. to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file that was..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load.. I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then.. I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone.. do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK... sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone objective c ios ipad..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c Objective C I know how delegates work and I know how I can use them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an.. them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's.. to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then you could create an instance of..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might.. apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the documentation.. device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the documentation is... Special Considerations Do not use the uniqueIdentifier property. To create..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach on the other we have the new ObjectiveC directives that.. could for instance declare a readonly property in your header. @property nonatomic readonly myReadOnlyVar and redeclare it in your implementation file as readwrite to be able to set it using the property..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone the framework has in most cases you can beat the performance of hand tuned SQLite using Core Data. On the iPhone it does a great job of batching fetches to minimize memory usage. The one downside as pointed..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults working yet. iphone objective c encoding nsuserdefaults share improve this question On your Player class implement the following two methods substituting calls to encodeObject with something..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self self.mainViewController aController is equivalent to self setMainViewController aController On the other hand mainViewController aController just changes the mainViewController instance variable..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application do I associate file types with an iPhone application On the subject of associating your iPhone app with file types. In this informative question I learned that.. reside in the Mac developer center because this capability has been ported across from the Mac. One of the UTIs used in the above example was system defined but the other was an application specific..
Autoplay audio files on an iPad with HTML5 http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5 audio file to autoplay in Safari on an iPad. If I go to the page using Safari on my Mac it's fine. On the iPad autoplay does not work. iphone audio ipad html5 share improve this question This is a..
iPhone: How do I detect when an app is launched for the first time? [closed] http://stackoverflow.com/questions/308832/iphone-how-do-i-detect-when-an-app-is-launched-for-the-first-time
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application So how can I send an email from my app iphone cocoa touch email share improve this question On iOS 3.0 and later you should use the MFMailComposeViewController class and the MFMailComposeViewControllerDelegate..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation of not explicitly declaring the ivar iphone objective c share improve this question On the modern Objective C runtime nonfragile abi they are the same the ivar backing will be created automatically..
http://stackoverflow.com/questions/3504173/detect-retina-display a device is running iOS4 if the scale property exists as the iPad 3.2 also contains this property. On an iPad running iOS3.2 scale will return 1.0 in 1x mode and 2.0 in 2x mode even though we know that..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone on UIView and UILabels On iPhone duplicate Possible Duplicate Manually drawing a gradient in iPhone apps My application needs..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone char glGetString GL_EXTENSIONS bool npot strstr extensions GL_APPLE_texture_2D_limited_npot 0 On these devices you should then be able to use non power of two textures as long as you set the proper..
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library a hard place or is there something I'm missing here iphone xcode share improve this question On iOS 4.1 you can do this #import SystemConfiguration CaptiveNetwork.h id fetchSSIDInfo NSArray ifs id..
Lazy load images in UITableViewCell http://stackoverflow.com/questions/531482/lazy-load-images-in-uitableviewcell go retrieve it. Otherwise you will get back the appropriate image for your table cell to display. On a memory warning you could clear out this cache of images with no adverse effects aside from forcing..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c it as the window's delegate MyClass myDelegate MyClass alloc init window setDelegate myDelegate On the NSWindow side it probably has code similar to this to see if the delegate responds to the windowDidMove.. a selector every time we want to message it you can cache that information when delegates are set. One very clean way to do this is to use a bitfield as follows @protocol SomethingDelegate NSObject @optional..
http://stackoverflow.com/questions/6769345/xcode-4-valid-signing-identity-not-found-error-on-provisioning-profiles-on-a XCode 4.6 there is a better way to migrate your entire developer profile to a new machine. On your existing machine launch Xcode and do this Open the Organizer Shift Command 2 . Select the Devices.. Export near the bottom left side of the window. Xcode asks you to choose a file name and password. On your new machine launch Xcode and import the profile you exported above. Works like a charm. Edit for..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud which has probably magnified the problem more than it should have been. whilst warning that On the speed front there is a general misunderstanding of what is going on. The biggest thing that imageNamed.. same cached data and the cache will grow dynamically as you request more images via imageNamed . On iPhone OS 2.x a bug prevents the cache from being shrunk when a memory warning is received. and My understanding..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 object FBO with an attached texture with that texture having been supplied from the texture cache. Once you render your scene into that FBO the BGRA pixels for that scene will be contained within your CVPixelBufferRef.. the pixel reading to the OpenGL ES processing and actual movie encoding parts of the pipeline. On an iPhone 4S this allows you to write 1080p video at a full 30 FPS. My implementation can be found within.. assetWriterVideoInput sourcePixelBufferAttributes sourcePixelBufferAttributesDictionary Once I have that I configure the FBO that I'll be rendering my video frames to using the following code..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came up with a way to do this.. to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came up with a way to do this using.. to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came up with a way to do this using an..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already.. to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already existing applications.. to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already existing applications to the new..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application.. iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file.. iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file that was generated as part of the build. I have all of these files..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard UIKit elements like UILabel... I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard UIKit elements like UILabel. Is this possible.. I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard UIKit elements like UILabel. Is this possible I found..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or.. do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without.. do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone objective c ios ipad base64 share improve this question There's a nice code..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c do I create delegates in Objective C I know how delegates work and I know how I can use them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's.. C I know how delegates work and I know how I can use them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class.. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then you could create an instance of MyClass and assign it as the window's delegate MyClass myDelegate..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the.. appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the documentation is... Special Considerations Do not use the uniqueIdentifier.. on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the documentation is... Special Considerations Do not use the uniqueIdentifier property. To create a unique identifier specific to your app you can call the..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach on the other we have the new ObjectiveC directives that add OO on top of that. Could you folks helps me understand the.. methods not needed anymore and to re declare properties. You could for instance declare a readonly property in your header. @property nonatomic readonly myReadOnlyVar and redeclare it in your implementation file as readwrite to be able to set it using the property syntax and not only via direct access to the ivar. As for..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone seems counterintuitive given how much overhead you'd think the framework has in most cases you can beat the performance of hand tuned SQLite using Core Data. On the iPhone it does a great job of batching fetches to minimize memory usage. The one downside as pointed out is that this limits you by requiring iPhone OS 3.0..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults gotten around to decrypting yet as I haven't gotten encrypting working yet. iphone objective c encoding nsuserdefaults share improve this question On your Player class implement the following two methods substituting calls to encodeObject with something relevant to your own object void encodeWithCoder NSCoder..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self this variable to be called rather than changing the ivar directly. self.mainViewController aController is equivalent to self setMainViewController aController On the other hand mainViewController aController just changes the mainViewController instance variable directly skipping over any additional code that might be built..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application do I associate file types with an iPhone application On the subject of associating your iPhone app with file types. In this informative question I learned that apps could be associated with custom URL protocols. That.. in Apple's Uniform Type Identifiers Overview . Those guides reside in the Mac developer center because this capability has been ported across from the Mac. One of the UTIs used in the above example was system defined but the other was an application specific UTI. The application specific UTI will need to be exported so..
Autoplay audio files on an iPad with HTML5 http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5 audio files on an iPad with HTML5 I'm trying to get an audio file to autoplay in Safari on an iPad. If I go to the page using Safari on my Mac it's fine. On the iPad autoplay does not work. iphone audio ipad html5 share improve this question This is a hack and it's not working anymore on IOS 4.X and above. This..
iPhone: How do I detect when an app is launched for the first time? [closed] http://stackoverflow.com/questions/308832/iphone-how-do-i-detect-when-an-app-is-launched-for-the-first-time
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application sharedApplication openURL NSURL URLWithString url So how can I send an email from my app iphone cocoa touch email share improve this question On iOS 3.0 and later you should use the MFMailComposeViewController class and the MFMailComposeViewControllerDelegate protocol that is tucked away in the MessageUI..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation ivar always be explicitly defined What are the ramifications of not explicitly declaring the ivar iphone objective c share improve this question On the modern Objective C runtime nonfragile abi they are the same the ivar backing will be created automatically by the @synthesize declaration. This is the runtime..
http://stackoverflow.com/questions/3504173/detect-retina-display .scale property is equal to 2.0. You CANNOT assume a device is running iOS4 if the scale property exists as the iPad 3.2 also contains this property. On an iPad running iOS3.2 scale will return 1.0 in 1x mode and 2.0 in 2x mode even though we know that device does not contain a Retina display. Apple changed this..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone on UIView and UILabels On iPhone duplicate Possible Duplicate Manually drawing a gradient in iPhone apps My application needs to display text in either a View or Label but the back ground..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone excellent iPhone 3D Programming book const char extensions char glGetString GL_EXTENSIONS bool npot strstr extensions GL_APPLE_texture_2D_limited_npot 0 On these devices you should then be able to use non power of two textures as long as you set the proper texture wrapping glTexParameteri GL_TEXTURE_2D GL_TEXTURE_WRAP_S..
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library will not approve the app. Am I stuck between an Apple and a hard place or is there something I'm missing here iphone xcode share improve this question On iOS 4.1 you can do this #import SystemConfiguration CaptiveNetwork.h id fetchSSIDInfo NSArray ifs id CNCopySupportedInterfaces NSLog @ s Supported interfaces @..
Lazy load images in UITableViewCell http://stackoverflow.com/questions/531482/lazy-load-images-in-uitableviewcell cache and you need your background image loading thread to go retrieve it. Otherwise you will get back the appropriate image for your table cell to display. On a memory warning you could clear out this cache of images with no adverse effects aside from forcing them to be reloaded again on demand . share improve this answer..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c @end Then you could create an instance of MyClass and assign it as the window's delegate MyClass myDelegate MyClass alloc init window setDelegate myDelegate On the NSWindow side it probably has code similar to this to see if the delegate responds to the windowDidMove message using respondsToSelector and send it if appropriate... Instead of checking whether a delegate responds to a selector every time we want to message it you can cache that information when delegates are set. One very clean way to do this is to use a bitfield as follows @protocol SomethingDelegate NSObject @optional void something id something didFinishLoadingItem id item..
http://stackoverflow.com/questions/6769345/xcode-4-valid-signing-identity-not-found-error-on-provisioning-profiles-on-a improve this question With Xcode 4.2 and later versions including XCode 4.6 there is a better way to migrate your entire developer profile to a new machine. On your existing machine launch Xcode and do this Open the Organizer Shift Command 2 . Select the Devices tab. Choose Developer Profile in the upper left corner under.. the heading library or under a heading called TEAMS. Choose Export near the bottom left side of the window. Xcode asks you to choose a file name and password. On your new machine launch Xcode and import the profile you exported above. Works like a charm. Edit for Xcode 4.4 With Xcode 4.4 at step 3 choose Provisioning Profiles..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud has gotten a lot of use not for the cache but for the convenience which has probably magnified the problem more than it should have been. whilst warning that On the speed front there is a general misunderstanding of what is going on. The biggest thing that imageNamed does is decode the image data from the source file which.. with the same name should result in references to the same cached data and the cache will grow dynamically as you request more images via imageNamed . On iPhone OS 2.x a bug prevents the cache from being shrunk when a memory warning is received. and My understanding is that the imageNamed cache should respect memory..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 pixels for an OpenGL ES rendering by using a framebuffer object FBO with an attached texture with that texture having been supplied from the texture cache. Once you render your scene into that FBO the BGRA pixels for that scene will be contained within your CVPixelBufferRef so there will be no need to pull them down using.. 720p video at 20 FPS now and the bottleneck has moved from the pixel reading to the OpenGL ES processing and actual movie encoding parts of the pipeline. On an iPhone 4S this allows you to write 1080p video at a full 30 FPS. My implementation can be found within the GPUImageMovieWriter class within my open source GPUImage.. assetWriterInputPixelBufferAdaptorWithAssetWriterInput assetWriterVideoInput sourcePixelBufferAttributes sourcePixelBufferAttributesDictionary Once I have that I configure the FBO that I'll be rendering my video frames to using the following code if GPUImageOpenGLESContext supportsFastTextureUpload CVReturn..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch.. to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries... to check for an active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries...
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required.. to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new.. to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from.. iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted.. Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file that was generated as part..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it.. I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard.. I embed a custom font in an iPhone application I would like to have an app include a custom font for rendering text load it and then use it with standard UIKit elements..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I.. do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64.. encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone objective c ios ipad base64 share improve..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c create delegates in Objective C I know how delegates work and I know how I can use them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been.. I know how I can use them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process.. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then you could create an instance of MyClass and assign..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem.. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the documentation is... Special Considerations.. a particular device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the documentation is... Special Considerations Do not use the uniqueIdentifier property. To create a unique identifier..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach on the other we have the new ObjectiveC directives that add OO on top of that... properties. You could for instance declare a readonly property in your header. @property nonatomic readonly myReadOnlyVar and redeclare it in your implementation file as readwrite to be able to set it using the property syntax and not only..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone you'd think the framework has in most cases you can beat the performance of hand tuned SQLite using Core Data. On the iPhone it does a great job of batching fetches to minimize memory usage. The one downside as pointed out is that this..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults I haven't gotten encrypting working yet. iphone objective c encoding nsuserdefaults share improve this question On your Player class implement the following two methods substituting calls to encodeObject with something relevant to your..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self the ivar directly. self.mainViewController aController is equivalent to self setMainViewController aController On the other hand mainViewController aController just changes the mainViewController instance variable directly skipping over..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application do I associate file types with an iPhone application On the subject of associating your iPhone app with file types. In this informative question I learned that apps could be associated.. . Those guides reside in the Mac developer center because this capability has been ported across from the Mac. One of the UTIs used in the above example was system defined but the other was an application specific UTI. The application..
Autoplay audio files on an iPad with HTML5 http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5 trying to get an audio file to autoplay in Safari on an iPad. If I go to the page using Safari on my Mac it's fine. On the iPad autoplay does not work. iphone audio ipad html5 share improve this question This is a hack and it's not working..
iPhone: How do I detect when an app is launched for the first time? [closed] http://stackoverflow.com/questions/308832/iphone-how-do-i-detect-when-an-app-is-launched-for-the-first-time
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application URLWithString url So how can I send an email from my app iphone cocoa touch email share improve this question On iOS 3.0 and later you should use the MFMailComposeViewController class and the MFMailComposeViewControllerDelegate protocol..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation What are the ramifications of not explicitly declaring the ivar iphone objective c share improve this question On the modern Objective C runtime nonfragile abi they are the same the ivar backing will be created automatically by the @synthesize..
http://stackoverflow.com/questions/3504173/detect-retina-display You CANNOT assume a device is running iOS4 if the scale property exists as the iPad 3.2 also contains this property. On an iPad running iOS3.2 scale will return 1.0 in 1x mode and 2.0 in 2x mode even though we know that device does not contain..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone on UIView and UILabels On iPhone duplicate Possible Duplicate Manually drawing a gradient in iPhone apps My application needs to display text in..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone const char extensions char glGetString GL_EXTENSIONS bool npot strstr extensions GL_APPLE_texture_2D_limited_npot 0 On these devices you should then be able to use non power of two textures as long as you set the proper texture wrapping glTexParameteri..
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library between an Apple and a hard place or is there something I'm missing here iphone xcode share improve this question On iOS 4.1 you can do this #import SystemConfiguration CaptiveNetwork.h id fetchSSIDInfo NSArray ifs id CNCopySupportedInterfaces..
Lazy load images in UITableViewCell http://stackoverflow.com/questions/531482/lazy-load-images-in-uitableviewcell loading thread to go retrieve it. Otherwise you will get back the appropriate image for your table cell to display. On a memory warning you could clear out this cache of images with no adverse effects aside from forcing them to be reloaded..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c of MyClass and assign it as the window's delegate MyClass myDelegate MyClass alloc init window setDelegate myDelegate On the NSWindow side it probably has code similar to this to see if the delegate responds to the windowDidMove message using.. responds to a selector every time we want to message it you can cache that information when delegates are set. One very clean way to do this is to use a bitfield as follows @protocol SomethingDelegate NSObject @optional void something..
http://stackoverflow.com/questions/6769345/xcode-4-valid-signing-identity-not-found-error-on-provisioning-profiles-on-a later versions including XCode 4.6 there is a better way to migrate your entire developer profile to a new machine. On your existing machine launch Xcode and do this Open the Organizer Shift Command 2 . Select the Devices tab. Choose Developer.. TEAMS. Choose Export near the bottom left side of the window. Xcode asks you to choose a file name and password. On your new machine launch Xcode and import the profile you exported above. Works like a charm. Edit for Xcode 4.4 With Xcode..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud but for the convenience which has probably magnified the problem more than it should have been. whilst warning that On the speed front there is a general misunderstanding of what is going on. The biggest thing that imageNamed does is decode.. in references to the same cached data and the cache will grow dynamically as you request more images via imageNamed . On iPhone OS 2.x a bug prevents the cache from being shrunk when a memory warning is received. and My understanding is that..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 using a framebuffer object FBO with an attached texture with that texture having been supplied from the texture cache. Once you render your scene into that FBO the BGRA pixels for that scene will be contained within your CVPixelBufferRef so there.. has moved from the pixel reading to the OpenGL ES processing and actual movie encoding parts of the pipeline. On an iPhone 4S this allows you to write 1080p video at a full 30 FPS. My implementation can be found within the GPUImageMovieWriter.. assetWriterVideoInput sourcePixelBufferAttributes sourcePixelBufferAttributesDictionary Once I have that I configure the FBO that I'll be rendering my video frames to using the following code if GPUImageOpenGLESContext..
objective c - Detect when user change the app's notifications settings http://stackoverflow.com/questions/10191006/objective-c-detect-when-user-change-the-apps-notifications-settings are enabled but NOT if push notifications for a particular application are enabled or disabled the Notification Center ON OFF switch at the top . At least that's the behavior in iOS 5.1. Even if user disables notifications for that application..
http://stackoverflow.com/questions/10262733/ios-app-with-static-lib-crashes-only-on-launch-of-archive-build-loaded-ad-hoc-c App with Static Lib crashes ONLY on launch of Archive Build loaded Ad Hoc. Can't reproduce in Debugger I realize this is a stretch and I can't give much.. I have tested the app on in every mode I can think of in particular no connection to anything Wifi OFF AirplaneMode ON Location services OFF. I can NEVER simulate what they claim to be seeing which is App crashes on launch every time I found..
http://stackoverflow.com/questions/2337408/addsubview-animation context nil UIView setAnimationDuration 0.4 newView setFrame CGRectMake 0.0f 0.0f 320.0f 480.0f notice this is ON screen UIView commitAnimations The SDK will now figure this out for you and animate the view to the positions you gave it...
Changing the text on a UISwitch http://stackoverflow.com/questions/2711180/changing-the-text-on-a-uiswitch the text on a UISwitch The UISwitch currently says ON and OFF. Can I change the text to YES and NO Would it be hard Or do I just rephrase the question I ask the user iphone..
How can I launch the Google Maps iPhone application from within my own native application? http://stackoverflow.com/questions/30058/how-can-i-launch-the-google-maps-iphone-application-from-within-my-own-native-ap not a web page through Mobile Safari in the same way that tapping an address in Contacts launches the map NOTE THIS ONLY WORKS ON THE DEVICE ITSELF. NOT IN THE SIMULATOR. iphone objective c google maps share improve this question For.. page through Mobile Safari in the same way that tapping an address in Contacts launches the map NOTE THIS ONLY WORKS ON THE DEVICE ITSELF. NOT IN THE SIMULATOR. iphone objective c google maps share improve this question For iOS 5.1.1 and..
calling [myString release] does NOT decrement [myString retainCount] http://stackoverflow.com/questions/3213647/calling-mystring-release-does-not-decrement-mystring-retaincount @property nonatomic retain NSString synopsis I set the string property from some HTTP response either from JSON or XML response. At that point the retain count of the synopsis object is 1. But I have this situation I save the synopsis.. same result running in simulator or on the device. iphone objective c ipad nsstring share improve this question DON'T RELY ON RETAINCOUNT To humans it's not an accurate measure of object ownership. You don't know what's calling retain and.. running in simulator or on the device. iphone objective c ipad nsstring share improve this question DON'T RELY ON RETAINCOUNT To humans it's not an accurate measure of object ownership. You don't know what's calling retain and release..
iPhone app “has active assertions beyond permitted time” http://stackoverflow.com/questions/3654716/iphone-app-has-active-assertions-beyond-permitted-time in the main UI thread That won't work. Did you test your app on a device with no internet connection Airplane mode ON. Or wifi ON and network cable unplugged from the back of your wifi access point . If not do so. share improve this answer..
UISwitch in a UITableView cell http://stackoverflow.com/questions/3770019/uiswitch-in-a-uitableview-cell
How do I get a view in Interface Builder to load a custom view in another nib? http://stackoverflow.com/questions/3944964/how-do-i-get-a-view-in-interface-builder-to-load-a-custom-view-in-another-nib code. Even better would be if I could get UIAwesomeSauce to show up in the Library list itself. SOLVED by Nimrod READ ON FOR EXPLANATION AND CODE I can't vote up an answer even my own Lame. And hitting enter for a paragraph in a comment submits.. would be if I could get UIAwesomeSauce to show up in the Library list itself. SOLVED by Nimrod READ ON FOR EXPLANATION AND CODE I can't vote up an answer even my own Lame. And hitting enter for a paragraph in a comment submits Focus fail...
How to get the status of bluetooth (ON/OFF) in iphone programatically http://stackoverflow.com/questions/4955007/how-to-get-the-status-of-bluetooth-on-off-in-iphone-programatically to get the status of bluetooth ON OFF in iphone programatically I trying to get the Status of iPhone iPod Bluetooth that whether it is ON or OFF programmatically... of bluetooth ON OFF in iphone programatically I trying to get the Status of iPhone iPod Bluetooth that whether it is ON or OFF programmatically. Is it possible using some Apple API or third party API. Any suggestion would be helpful. iphone..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content been added to the view with addSubview . Prior to that it is equal to frame.size This will not work if auto layout is ON. With auto layout the general approach is to use the sizeThatFits method and update the constant value on a height constraint...
How to customize UISwitch button in iphone? http://stackoverflow.com/questions/5087546/how-to-customize-uiswitch-button-in-iphone window addSubview switchView switchView release The created button will be.... The default properties are It contains ON OFF states The OFF button is white the ON button is in blue color I want to create a customized switch so that the background.. The created button will be.... The default properties are It contains ON OFF states The OFF button is white the ON button is in blue color I want to create a customized switch so that the background color text in the switch should be changed...
Tap pressure strength detection using accelerometer http://stackoverflow.com/questions/5179426/tap-pressure-strength-detection-using-accelerometer ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR.. BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE.. TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY..
http://stackoverflow.com/questions/7540569/uiswitch-customization customization Is possible to add images to an UISwitch background like when the state is ON be one background and when the state is OFF another background image iphone ios customization uiswitch share improve..
http://stackoverflow.com/questions/981061/change-label-of-uiswitch Label of UISWitch i have to change the Label of UISWITCH from ON OFF to YES NO.i want this method to be implement in seperate class that this methods should be access by other classes...
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