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2014/10/15 ¤U¤È 10:14:41
iphone Programming Glossary: synchronizeHow to turn on/off airplane mode in IOS 5.1 using private API http://stackoverflow.com/questions/10452640/how-to-turn-on-off-airplane-mode-in-ios-5-1-using-private-api and do RadiosPreferences preferences RadiosPreferences alloc init preferences.airplaneMode YES or NO preferences synchronize preferences release obviously if you're not using ARC I've only tested this for a jailbroken app. I'm not sure if it's possible..
http://stackoverflow.com/questions/13509999/i-have-nsstring-value-in-addviewcontroller-and-i-want-to-display-this-value-in-u defaults setObject NSString stringWithFormat @ @ txtView.text forKey @ testPersonNotesStr defaults synchronize GetValue testPersonNotesStr NSUserDefaults standardUserDefaults objectForKey @ testPersonNotesStr NSLog @ PERSON NOTE is..........
Best way to check if an iPhone app is running for the first time http://stackoverflow.com/questions/1664177/best-way-to-check-if-an-iphone-app-is-running-for-the-first-time defaults objectForKey @ firstRun defaults setObject NSDate date forKey @ firstRun NSUserDefaults standardUserDefaults synchronize You can then test for it later... NSUserDefaults defaults NSUserDefaults standardUserDefaults if defaults objectForKey @..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language setObject NSArray arrayWithObjects @ de @ en @ fr nil forKey @ AppleLanguages NSUserDefaults standardUserDefaults synchronize to make the change immediate This would make German the preferred language for your application with English and French..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults can be stored in UserDefaults id test MagicApp201AppDelegate new test saveCustomObject singlePlayer test release prefs synchronize void saveCustomObject Player object NSUserDefaults prefs NSUserDefaults standardUserDefaults NSData myEncodedObject NSKeyedArchiver.. NSUserDefaults defaults NSUserDefaults standardUserDefaults defaults setObject myEncodedObject forKey key defaults synchronize MyObject loadCustomObjectWithKey NSString key NSUserDefaults defaults NSUserDefaults standardUserDefaults NSData encodedObject..
Why is NSUserDefaults not saving my values? http://stackoverflow.com/questions/2622754/why-is-nsuserdefaults-not-saving-my-values before they've been persisted they'll be gone. You can force the save by calling NSUserDefaults standardUserDefaults synchronize Addendum In iOS4 this answer was originally written when iOS3 was the public release your User Defaults may not get saved.. User Defaults may not get saved when pressing the home button. Manually calling NSUserDefaults standardUserDefaults synchronize in applicationDidEnterBackground should ensure that your User Defaults are saved correctly this should really be a built..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints imageSize.height 2 imageSize.width imageSize.height CGContextDrawImage context imageRect baseImage CGImage else @synchronized issue CGPDFPageRef pdfPage CGPDFDocumentGetPage issue.pdfDoc pageIndex 1 pdfToPageTransform CGPDFPageGetDrawingTransform.. context pdfToPageTransform CGContextDrawPDFPage context pdfPage issue is the object containg the CGPDFDocumentRef . I synchronize the part where I access the pdfDoc property because I release it and recreate it when receiving memoryWarnings. It seems..
Compensating compass lag with the gyroscope on iPhone 4 http://stackoverflow.com/questions/4212988/compensating-compass-lag-with-the-gyroscope-on-iphone-4 deviceManager.gravity.z is around 0 the yaw value freaks out at this gravity.z value . It seems to me that I could synchronize the horizontal and magneticHeading values using a calculated horizontal value that maps to magneticHeading and synchronize.. the horizontal and magneticHeading values using a calculated horizontal value that maps to magneticHeading and synchronize the horizontal value to magneticHeading when I feel the compass has caught up. So my questions Am I on the right track with..
How to delete all cookies of UIWebView? http://stackoverflow.com/questions/4471629/how-to-delete-all-cookies-of-uiwebview
Does the Facebook iOS SDK require the user to authenticate every time they use the app? http://stackoverflow.com/questions/5571648/does-the-facebook-ios-sdk-require-the-user-to-authenticate-every-time-they-use-t prefs setObject accessToken forKey @ facebook accessToken prefs expirationDate forKey @ facebook expirationDate prefs synchronize I use this code in my app and it works perfectly. I did this from memory so I apologize if it doesn't work on copy and paste...
language change only after restart on iphone http://stackoverflow.com/questions/5912018/language-change-only-after-restart-on-iphone NSUserDefaults standardUserDefaults setObject languages forKey @ AppleLanguages NSUserDefaults standardUserDefaults synchronize int retVal UIApplicationMain argc argv nil nil pool release return retVal iphone localization restart share improve this..
Problems with fbDidLogin never called iOS http://stackoverflow.com/questions/7044412/problems-with-fbdidlogin-never-called-ios accessToken forKey @ FBAccessTokenKey defaults setObject facebook expirationDate forKey @ FBExpirationDateKey defaults synchronize But for some way when the Facebook app takes control this just doesn't work...It wil doe authorize every time when the view..
Should I use NSUserDefaults or a plist to store data? http://stackoverflow.com/questions/7058858/should-i-use-nsuserdefaults-or-a-plist-to-store-data nil NSUserDefaults standardUserDefaults setObject stringsArray forKey @ MyStrings NSUserDefaults standardUserDefaults synchronize To read the from the userdefaults NSArray stringsArray NSUserDefaults standardUserDefaults objectForKey @ MyStrings Plist..
Facebook API dialog page showing error in second time and after that http://stackoverflow.com/questions/9238700/facebook-api-dialog-page-showing-error-in-second-time-and-after-that accessToken forKey @ FBAccessTokenKey defaults setObject facebook expirationDate forKey @ FBExpirationDateKey defaults synchronize self postWall void postWall NSMutableDictionary params NSMutableDictionary dictionaryWithObjectsAndKeys kAppId @ app_id..
Application windows are expected to have a root view controller at the end of application launch http://stackoverflow.com/questions/9844626/application-windows-are-expected-to-have-a-root-view-controller-at-the-end-of-ap accessToken forKey @ FBAccessTokenKey defaults setObject facebook expirationDate forKey @ FBExpirationDateKey defaults synchronize Method that gets called when the logout button is pressed void logoutButtonClicked id sender facebook logout void fbDidLogout.. defaults removeObjectForKey @ FBAccessTokenKey defaults removeObjectForKey @ FBExpirationDateKey defaults synchronize void applicationWillResignActive UIApplication application Sent when the application is about to move from active to inactive..
How to detect first time app launch on an iPhone http://stackoverflow.com/questions/9964371/how-to-detect-first-time-app-launch-on-an-iphone
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