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2014/10/15 ¤U¤È 10:14:27
iphone Programming Glossary: statingOptimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the if you launch multiple location manager object's they'll conflict and you get errors from the GPS location manager stating it can't update. 2 Be extremely careful how you update the locationManager.desiredAccuracy and locationManager.distanceFilter..
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 grab a copy before it was pulled that's great. I know that I'm glad I got it. Apple probably justified its decision by stating that the app used private APIs and it could be viewed as a potential security problem an app that watches you as you type..
viewDidLoad is in fact called every time there is a segue transition http://stackoverflow.com/questions/11969452/viewdidload-is-in-fact-called-every-time-there-is-a-segue-transition is in fact called every time there is a segue transition I have seen a lot of posts on stack overflow stating that the viewDidLoad method of controllers is only called the first time the controller is accessed and not necessarily..
iPhone 5 letterboxing / screen resize [closed] http://stackoverflow.com/questions/12398819/iphone-5-letterboxing-screen-resize of view size for both kinds of devices make sure you are using UIScreen mainScreen bounds instead of explicitly stating screen size. IE if your view frame was CGRectMake 0 0 310 420 it should be CGRectMake 0 0 bounds.size.width 10 bounds.size.height..
Converting a NSObject into NSData http://stackoverflow.com/questions/1659922/converting-a-nsobject-into-nsdata as follows NSData dataOnObject NSKeyedArchiver archivedDataWithRootObject classObject but it gives out exception stating that classObject encodeWithCoder unrecognized selector sent to instance .. I have also added the object to a newly created..
http://stackoverflow.com/questions/1821928/gamekit-wifi-connection discovery of peers over WiFi or Bluetooth and find those that are available on either protocol. The documentation is stating that unlike Bluetooth for which GKPeerPickerController provides a UI to enable Bluetooth if it's not already enabled GKPeerPickerController..
Streaming Video (or Progressive Download) to the Droid Browser http://stackoverflow.com/questions/2119947/streaming-video-or-progressive-download-to-the-droid-browser opens quicktime and the video plays. However with the Droid I go to the same web address and am faced with a error stating Cannot play video.... Sorry this video is not valid for streaming to this device . When I direct the Droid's browser to..
iPhone Debugging Error launching remote program: failed to get the task for process 907 http://stackoverflow.com/questions/2182249/iphone-debugging-error-launching-remote-program-failed-to-get-the-task-for-proc it is not working on the installed iphone Tried connecting the iphone to mac and debug the app but it throws up error stating Error launching remote program failed to get the task for process 907. is there a way to debug the adhoc distribution provision..
How to convert an NSArray of NSManagedObjects to NSData http://stackoverflow.com/questions/2357544/how-to-convert-an-nsarray-of-nsmanagedobjects-to-nsdata My attempt at doing this is below. I'm not sure if I'm going along the right lines with this as get a warning stating NSManagedObject may not respond to ' encodeWithCoder' I would really really appreciate it if someone could point me in the..
http://stackoverflow.com/questions/2521275/what-is-nsparameterassert a simple way to test that a method's parameter is not nil or not 0. So basically you use it to create a precondition stating that some parameter must be set. If it is not set the macro causes the application to abort and generates an error on that..
http://stackoverflow.com/questions/3395237/simple-xml-parsing way of parsing XML within iPhone app's I have been using NSXMLParser and I have heard of libxml2 I am correct in stating that these are my only two options. I just don't want to go down a long road when there is something simply that I can use...
Singleton shared data source in Objective-C http://stackoverflow.com/questions/355449/singleton-shared-data-source-in-objective-c a TableView delegate like so SearchData sharedSearchData searchArray objectAtIndex indexPath.row I get an exception stating NSCFSet objectAtIndex unrecognized selector sent to instance 0x5551f0 I'm not really sure why the objectAtIndex message..
How to properly set UIRequiredDeviceCapabilities? http://stackoverflow.com/questions/3765837/how-to-properly-set-uirequireddevicecapabilities to properly set UIRequiredDeviceCapabilities I have had an app rejected by Apple stating that I need to implement UIRequiredDeviceCapabilities in my info.plist due to my app requiring a camera flash. I understand..
UIButton setTitle:forState: question http://stackoverflow.com/questions/4370466/uibutton-settitleforstate-question should be UIControlStateHighlighted OR UIControlStateDisabled but NOT both When you bitwise or them together you are stating they must BOTH be set in the state property. Meaning UIControlStateHighlighted AND UIControlStateDisabled are set in the..
http://stackoverflow.com/questions/4471389/code-sign-error-a-valid-provisioning-profile-matching-the-applications-identif in the info.plist to com.myCompany.myApp . But when I try to Validate Submit the build via Organizer I get and error stating Bundle Identifier com.myCompany.myApp differs from prior bundle identifier ABC123XYZ1.com.myCompany.myApp . Apparently when..
Trouble running Instruments on iPad http://stackoverflow.com/questions/8152739/trouble-running-instruments-on-ipad isn't run and in most cases there's no error message. Sometimes just sometimes there's a message from the Organiser stating that device does not recognise host E800001C. 5 Running the app directly using the developer profile works fine I can debug..
What describes the Application Delegate best? How does it fit into the whole concept? http://stackoverflow.com/questions/828827/what-describes-the-application-delegate-best-how-does-it-fit-into-the-whole-con the Model View Controller paradigm delegates are Controllers and many delegates' names end in Controller. At risk of stating the obvious the UIApplicationDelegate is the delegate for the UIApplication. The relationship is a bit more obvious in Cocoa..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons So my point is that the underlying memory management is still important but where I used to spend significant time stating and restating the rules for new programmers with ARC it is becoming a more advanced topic. I'd rather get new developers.. is that the underlying memory management is still important but where I used to spend significant time stating and restating the rules for new programmers with ARC it is becoming a more advanced topic. I'd rather get new developers thinking in terms..
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