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2014/10/15 ¤U¤È 10:14:41
iphone Programming Glossary: systemHow do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone event BOOL canBecomeFirstResponder return YES @end You can easily transform any UIView even system views into a view that can get the shake event simply by subclassing the view with only these methods..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone the Simulator but on the iPhone you are only allowed to write into specific locations. iphone filesystems share improve this question There are three kinds of writable paths to consider the first is Documents.. has been created . If you are trying to write an image into the photo library you cannot use file system calls to do this instead you have to have a UIImage in memory and use the UIImageWriteToSavedPhotosAlbum..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios OS restricts an application including its preferences and data to a unique location in the file system. This restriction is part of the security feature known as the application's sandbox. The sandbox is..
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 of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do.. did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do nothing as before iphone ios cocoa touch ipad.. provide an array of Uniform Type Identifiers UTIs that your application can open. For a list of system defined UTIs see Apple's Uniform Type Identifiers Reference . Even more detail on UTIs can be found..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version iOS version of the device is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version.. ios share improve this question You can get the OS version using UIDevice currentDevice systemVersion However you should avoid relying on the version string as an indication of device or OS capabilities... methods to check device capabilities if CLLocationManager headingAvailable Do something Apple uses systemVersion in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store need to pay the US 99 yr to be a member of the developer program. You can then use the adhoc system to install your application onto up to 100 devices. The developer program has the details but it involves.. users after installing SSH. To manually compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration.. compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone share improve this question The API has changed the rules slightly and you dont get direct file system access to the iPhoto library any more. Instead you get asset library URL's like this. assets library..
Can we retrieve the applications currently running in iPhone and iPad http://stackoverflow.com/questions/4312613/can-we-retrieve-the-applications-currently-running-in-iphone-and-ipad can get a list of running processes and from process ids may be you can figure out which ones are system processes and which one are 3rd party apps but anyway I don't believe you can use it in application..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events backgrounding features the app will be launched by iOS in background again once it was quit by the system . This we will abuse later. In my case I used VoIP backgrounding enabled in my plist. All the code here.. that i have a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates your app. void.. in seconds here 10 sleep 10 And never call the expirationHandler so your App runs until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c If after calling release the reference count is now zero then that object's memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about.. from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining.. Now for autorelease . Autorelease is used as a convenient and sometimes necessary way to tell the system to free this object up after a little while. From a plumbing perspective when autorelease is called..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone only code that uses CFNetwork that looks like not Objective C based . There is also URL Loading System that uses NSURL etc which are Objective C based. So my question Is it possible to use URL Loading System.. that uses NSURL etc which are Objective C based. So my question Is it possible to use URL Loading System to implement file upload to FTP Server Thanks. iphone upload ftp share improve this question I..
Build Error - missing required architecture i386 in file http://stackoverflow.com/questions/1456185/build-error-missing-required-architecture-i386-in-file application ld warning in Developer Platforms iPhoneOS.platform Developer SDKs iPhoneOS3.1.sdk System Library Frameworks UIKit.framework UIKit missing required architecture i386 in file It goes the same..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language language. on the desktop the user can specify multiple languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject..
Programmatically turn on bluetooth in the iphone sdk? http://stackoverflow.com/questions/1743610/programmatically-turn-on-bluetooth-in-the-iphone-sdk your project. It should be in Developer Platforms iPhoneOS.platform Developer SDKs iPhoneOS3.0.sdk System Library PrivateFrameworks BluetoothManager.framework If the header file is not there you'll need to..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing from var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app Test Expected in System Library Frameworks UIKit.framework UIKit in var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640..
libXcodeDebuggerSupport.dylib is missing in iOS 4.2.1 development SDK http://stackoverflow.com/questions/4284277/libxcodedebuggersupport-dylib-is-missing-in-ios-4-2-1-development-sdk Symbols Developer usr lib libXcodeDebuggerSupport.dylib but ... DeviceSupport 4.2.1 8C148 Symbols System ... DeviceSupport 4.2.1 8C148 Symbols usr the above two dirs make up all the content in the 4.2.1 folder...
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library 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.. the simulator. Test on your device. Prior to 4.1 you might have some luck spelunking through the System Configuration dictionary. For example using scutil on my Mac scutil show State Network Interface en1..
Xcode 4 failure to symbolicate Crash Log http://stackoverflow.com/questions/5458573/xcode-4-failure-to-symbolicate-crash-log question Further to coob's answer I find adding these directories to Spotlight's ignore list System Preferences &rarr Spotlight &rarr Privacy helps ~ Library Developer Xcode DerivedData Xcode 4 build..
How can we programmatically detect which iOS version is device running on? [duplicate] http://stackoverflow.com/questions/7848766/how-can-we-programmatically-detect-which-ios-version-is-device-running-on int ver_int ver intValue float ver_float ver floatValue and compare like this NSLog @ System Version is @ UIDevice currentDevice systemVersion NSString ver UIDevice currentDevice systemVersion..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone @selector motionEnded withEvent super motionEnded motion withEvent event BOOL canBecomeFirstResponder return YES @end You can easily transform any UIView even system views into a view that can get the shake event simply by subclassing the view with only these methods and then selecting this new type instead of the base type..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone the iPhone You can misleadingly write anywhere you like on the Simulator but on the iPhone you are only allowed to write into specific locations. iphone filesystems share improve this question There are three kinds of writable paths to consider the first is Documents where you store things you want to keep and make available.. which one of the example string above is using assuming one has been created . If you are trying to write an image into the photo library you cannot use file system calls to do this instead you have to have a UIImage in memory and use the UIImageWriteToSavedPhotosAlbum function call defined by UIKit. You have no control over..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios it. Here's the response from Apple For security reasons iPhone OS restricts an application including its preferences and data to a unique location in the file system. This restriction is part of the security feature known as the application's sandbox. The sandbox is a set of fine grained controls limiting an application's access..
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 file type. This means the association doesn't work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do nothing as before iphone ios cocoa touch ipad share improve.. work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do nothing as before iphone ios cocoa touch ipad share improve this question File type handling is new with.. of showing documents. The LSItemContentTypes key lets you provide an array of Uniform Type Identifiers UTIs that your application can open. For a list of system defined UTIs see Apple's Uniform Type Identifiers Reference . Even more detail on UTIs can be found in Apple's Uniform Type Identifiers Overview . Those guides..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version iPhone iOS Version I want to check if the iOS version of the device is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version ios share improve this question You can get the OS version.. I just want a if version 3.1.3 How can I do this iphone version ios share improve this question You can get the OS version using UIDevice currentDevice systemVersion However you should avoid relying on the version string as an indication of device or OS capabilities. There is usually a more reliable method of checking.. Some classes like CLLocationManager and UIDevice provide methods to check device capabilities if CLLocationManager headingAvailable Do something Apple uses systemVersion in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer class..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store Official Developer Program For a standard iPhone you'll need to pay the US 99 yr to be a member of the developer program. You can then use the adhoc system to install your application onto up to 100 devices. The developer program has the details but it involves adding UUIDs for each of the devices to your application.. Be sure to set your own password on both the mobile and root users after installing SSH. To manually compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally using Build not.. the mobile and root users after installing SSH. To manually compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally using Build not Build Go . In the build Release iphoneos..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone @ Photo d indexPath.row 1 return cell iphone image url share improve this question The API has changed the rules slightly and you dont get direct file system access to the iPhoto library any more. Instead you get asset library URL's like this. assets library asset asset.JPG id 1000000003 ext JPG You use the ALAssetLibrary..
Can we retrieve the applications currently running in iPhone and iPad http://stackoverflow.com/questions/4312613/can-we-retrieve-the-applications-currently-running-in-iphone-and-ipad CYDIA Store iphone ios4 share improve this question You can get a list of running processes and from process ids may be you can figure out which ones are system processes and which one are 3rd party apps but anyway I don't believe you can use it in application for appstore. code taken from here NSArray runningProcesses..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events may influence the reviewing process. If you use one of the backgrounding features the app will be launched by iOS in background again once it was quit by the system . This we will abuse later. In my case I used VoIP backgrounding enabled in my plist. All the code here is done in your AppDelegate if the iOS device allows background.. you are finished with your work. In the code below you can see that i have a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates your app. void applicationDidEnterBackground UIApplication application UIApplication.. self doSomething This is where you can do your X minutes in seconds here 10 sleep 10 And never call the expirationHandler so your App runs until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and your app runs longer But one thing is for..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c letting go of it and its reference count is decremented. If after calling release the reference count is now zero then that object's memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory.. memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining releasing according to the rules when one piece of code retains.. is back to 1 s release Ref count is 0 object is freed Now for autorelease . Autorelease is used as a convenient and sometimes necessary way to tell the system to free this object up after a little while. From a plumbing perspective when autorelease is called the current thread's NSAutoreleasePool is alerted of the call...
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone browsing available API for this task I have managed to find only code that uses CFNetwork that looks like not Objective C based . There is also URL Loading System that uses NSURL etc which are Objective C based. So my question Is it possible to use URL Loading System to implement file upload to FTP Server Thanks. iphone.. not Objective C based . There is also URL Loading System that uses NSURL etc which are Objective C based. So my question Is it possible to use URL Loading System to implement file upload to FTP Server Thanks. iphone upload ftp share improve this question I use a PHP Page to post a file to and have PHP handle the uploading......
Build Error - missing required architecture i386 in file http://stackoverflow.com/questions/1456185/build-error-missing-required-architecture-i386-in-file i386 in file I'm getting this error when building my iPhone application ld warning in Developer Platforms iPhoneOS.platform Developer SDKs iPhoneOS3.1.sdk System Library Frameworks UIKit.framework UIKit missing required architecture i386 in file It goes the same for all the frameworks in my app. It's very weird since this..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language used as fallbacks if a resource is not available in the preferred language. on the desktop the user can specify multiple languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list. This will..
Programmatically turn on bluetooth in the iphone sdk? http://stackoverflow.com/questions/1743610/programmatically-turn-on-bluetooth-in-the-iphone-sdk include the bluetoothmanager framework and header file in your project. It should be in Developer Platforms iPhoneOS.platform Developer SDKs iPhoneOS3.0.sdk System Library PrivateFrameworks BluetoothManager.framework If the header file is not there you'll need to grab a .h file that was generated from the library and include..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing Symbol not found _OBJC_CLASS_ _UISplitViewController Referenced from var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app Test Expected in System Library Frameworks UIKit.framework UIKit in var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app TEST As the App is built programmatically rather..
libXcodeDebuggerSupport.dylib is missing in iOS 4.2.1 development SDK http://stackoverflow.com/questions/4284277/libxcodedebuggersupport-dylib-is-missing-in-ios-4-2-1-development-sdk the directory in question I note ... DeviceSupport 4.2 8C134 Symbols Developer usr lib libXcodeDebuggerSupport.dylib but ... DeviceSupport 4.2.1 8C148 Symbols System ... DeviceSupport 4.2.1 8C148 Symbols usr the above two dirs make up all the content in the 4.2.1 folder. No Developer folder. Checking the usr dir there I find..
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 NSLog @ s Supported interfaces @ __func__ ifs id info nil for NSString ifnam.. 01234567 01234567 01234567 Note that no ifs are supported on the simulator. Test on your device. Prior to 4.1 you might have some luck spelunking through the System Configuration dictionary. For example using scutil on my Mac scutil show State Network Interface en1 AirPort dictionary Power Status 1 SecureIBSSEnabled FALSE BSSID..
Xcode 4 failure to symbolicate Crash Log http://stackoverflow.com/questions/5458573/xcode-4-failure-to-symbolicate-crash-log iphone cocoa touch xcode debugging adhoc share improve this question Further to coob's answer I find adding these directories to Spotlight's ignore list System Preferences &rarr Spotlight &rarr Privacy helps ~ Library Developer Xcode DerivedData Xcode 4 build artefacts ~ Library Application Support iPhone Simulator file..
How can we programmatically detect which iOS version is device running on? [duplicate] http://stackoverflow.com/questions/7848766/how-can-we-programmatically-detect-which-ios-version-is-device-running-on iPhone iOS Version NSString ver UIDevice currentDevice systemVersion int ver_int ver intValue float ver_float ver floatValue and compare like this NSLog @ System Version is @ UIDevice currentDevice systemVersion NSString ver UIDevice currentDevice systemVersion float ver_float ver floatValue if ver_float 5.0 return false..
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 link against IOSurface. I did however find that it uses dlsym and after some more reverse engineering I found this System Library Frameworks IOKit.framework IOKit IOServiceGetMatchingServices IOServiceGetMatchingService IOServiceMatching IOMasterPort.. IOServiceMatching IOMasterPort IOIteratorNext IORegistryEntryCreateCFProperty IOObjectRelease System Library Frameworks UIKit.framework UIKit UIGetScreenImage System Library PrivateFrameworks IOMobileFramebuffer.framework.. IORegistryEntryCreateCFProperty IOObjectRelease System Library Frameworks UIKit.framework UIKit UIGetScreenImage System Library PrivateFrameworks IOMobileFramebuffer.framework IOMobileFramebuffer IOMobileFramebufferOpen IOMobileFramebufferGetLayerDefaultSurface..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone I have managed to find only code that uses CFNetwork that looks like not Objective C based . There is also URL Loading System that uses NSURL etc which are Objective C based. So my question Is it possible to use URL Loading System to implement file.. URL Loading System that uses NSURL etc which are Objective C based. So my question Is it possible to use URL Loading System to implement file upload to FTP Server Thanks. iphone upload ftp share improve this question I use a PHP Page to post..
Build Error - missing required architecture i386 in file http://stackoverflow.com/questions/1456185/build-error-missing-required-architecture-i386-in-file when building my iPhone application ld warning in Developer Platforms iPhoneOS.platform Developer SDKs iPhoneOS3.1.sdk System Library Frameworks UIKit.framework UIKit missing required architecture i386 in file It goes the same for all the frameworks..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language available in the preferred language. on the desktop the user can specify multiple languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject forKey method..
Programmatically turn on bluetooth in the iphone sdk? http://stackoverflow.com/questions/1743610/programmatically-turn-on-bluetooth-in-the-iphone-sdk and header file in your project. It should be in Developer Platforms iPhoneOS.platform Developer SDKs iPhoneOS3.0.sdk System Library PrivateFrameworks BluetoothManager.framework If the header file is not there you'll need to grab a .h file that..
Command /usr/bin/codesign failed with exit code 1 http://stackoverflow.com/questions/2017756/command-usr-bin-codesign-failed-with-exit-code-1 was for me was that in Keychain Access the actual Apple WWDR certificate was marked as Always Trust . It needed to be System Defaults . That goes for your Development and Distribution certificates too. If any of them are incorrectly set to Always..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing Referenced from var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app Test Expected in System Library Frameworks UIKit.framework UIKit in var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app TEST As..
http://stackoverflow.com/questions/4260291/issue-with-iphone-sdk-4-2-1 string warning Unable to read symbols for Developer Platforms iPhoneOS.platform DeviceSupport 4.2.1 8C148a Symbols System Library PrivateFrameworks I think its due to the space between 4.2.1 and 8C148a . How can i get rid of it It must be a setting..
libXcodeDebuggerSupport.dylib is missing in iOS 4.2.1 development SDK http://stackoverflow.com/questions/4284277/libxcodedebuggersupport-dylib-is-missing-in-ios-4-2-1-development-sdk 4.2 8C134 Symbols Developer usr lib libXcodeDebuggerSupport.dylib but ... DeviceSupport 4.2.1 8C148 Symbols System ... DeviceSupport 4.2.1 8C148 Symbols usr the above two dirs make up all the content in the 4.2.1 folder. No Developer folder...
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library 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 @.. ifs are supported on the simulator. Test on your device. Prior to 4.1 you might have some luck spelunking through the System Configuration dictionary. For example using scutil on my Mac scutil show State Network Interface en1 AirPort dictionary..
Xcode 4 failure to symbolicate Crash Log http://stackoverflow.com/questions/5458573/xcode-4-failure-to-symbolicate-crash-log share improve this question Further to coob's answer I find adding these directories to Spotlight's ignore list System Preferences &rarr Spotlight &rarr Privacy helps ~ Library Developer Xcode DerivedData Xcode 4 build artefacts ~ Library..
How to disable iOS System Sounds http://stackoverflow.com/questions/6284402/how-to-disable-ios-system-sounds to disable iOS System Sounds I am working on an iPad app that connects with an accessory that plays sound. When the iPad is connected to the.. sound instead it will only allow you to mute application sounds iPod not useful for my purposes. I also found docs on System Sound Services but this only allows you to play system sounds. There is no api here to disable system sounds while your.. improve this question It is possible to change the system sounds which turns out to be the ringer btw using the AVSystemController. However AVSystemController exists in the private Celestial framework. Since this framework is referenced by UIKit..
http://stackoverflow.com/questions/6851660/version-vs-build-in-xcode-4 Info... button was removed in Xcode 5 this information is also available from the Software Developer section of the System Information app available by opening Apple menu About This Mac System Report... . For example Xcode 4.2 4C139 . Marketing.. from the Software Developer section of the System Information app available by opening Apple menu About This Mac System Report... . For example Xcode 4.2 4C139 . Marketing version 4.2 is Build major version 4 Build minor version C and Build..
How can we programmatically detect which iOS version is device running on? [duplicate] http://stackoverflow.com/questions/7848766/how-can-we-programmatically-detect-which-ios-version-is-device-running-on currentDevice systemVersion int ver_int ver intValue float ver_float ver floatValue and compare like this NSLog @ System Version is @ UIDevice currentDevice systemVersion NSString ver UIDevice currentDevice systemVersion float ver_float ver..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone motion withEvent event BOOL canBecomeFirstResponder return YES @end You can easily transform any UIView even system views into a view that can get the shake event simply by subclassing the view with only these methods and then selecting..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone you like on the Simulator but on the iPhone you are only allowed to write into specific locations. iphone filesystems share improve this question There are three kinds of writable paths to consider the first is Documents where you store.. using assuming one has been created . If you are trying to write an image into the photo library you cannot use file system calls to do this instead you have to have a UIImage in memory and use the UIImageWriteToSavedPhotosAlbum function call defined..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios reasons iPhone OS restricts an application including its preferences and data to a unique location in the file system. This restriction is part of the security feature known as the application's sandbox. The sandbox is a set of fine grained..
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 doesn't work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do nothing as before.. the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do nothing as before iphone ios cocoa touch ipad share improve this.. key lets you provide an array of Uniform Type Identifiers UTIs that your application can open. For a list of system defined UTIs see Apple's Uniform Type Identifiers Reference . Even more detail on UTIs can be found in Apple's Uniform Type..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version I want to check if the iOS version of the device is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version ios share improve.. I do this iphone version ios share improve this question You can get the OS version using UIDevice currentDevice systemVersion However you should avoid relying on the version string as an indication of device or OS capabilities. There is usually.. UIDevice provide methods to check device capabilities if CLLocationManager headingAvailable Do something Apple uses systemVersion in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1 or greater is required..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store a standard iPhone you'll need to pay the US 99 yr to be a member of the developer program. You can then use the adhoc system to install your application onto up to 100 devices. The developer program has the details but it involves adding UUIDs for.. the mobile and root users after installing SSH. To manually compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile.. SSH. To manually compile and install your application on the phone as a system app bypassing Apple's installation system Project Set Active SDK Device and Set Active Build Configuration Release. Compile your project normally using Build not..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone iphone image url share improve this question The API has changed the rules slightly and you dont get direct file system access to the iPhoto library any more. Instead you get asset library URL's like this. assets library asset asset.JPG id..
Can we retrieve the applications currently running in iPhone and iPad http://stackoverflow.com/questions/4312613/can-we-retrieve-the-applications-currently-running-in-iphone-and-ipad this question You can get a list of running processes and from process ids may be you can figure out which ones are system processes and which one are 3rd party apps but anyway I don't believe you can use it in application for appstore. code taken..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events you use one of the backgrounding features the app will be launched by iOS in background again once it was quit by the system . This we will abuse later. In my case I used VoIP backgrounding enabled in my plist. All the code here is done in your.. code below you can see that i have a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates your app. void applicationDidEnterBackground.. you can do your X minutes in seconds here 10 sleep 10 And never call the expirationHandler so your App runs until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c is decremented. If after calling release the reference count is now zero then that object's memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the.. basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining releasing according.. is 0 object is freed Now for autorelease . Autorelease is used as a convenient and sometimes necessary way to tell the system to free this object up after a little while. From a plumbing perspective when autorelease is called the current thread's..
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