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2014/10/15 ¤U¤È 10:08:10
iphone Programming Glossary: enableHow can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth
How to use NSzombie in xcode? [duplicate] http://stackoverflow.com/questions/1211923/how-to-use-nszombie-in-xcode is going on if I debug but can't figure out which object is zombie ing . Does anybody know how to enable NSZombie in Xcode 4 xcode nszombie share improve this question Environment variables are now part..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be..
http://stackoverflow.com/questions/1861656/iphone-reachability-checking coder I just have a hard time when it comes time to figure out what needs to be put where to enable what I want to do regardless if I want to know what I want to do or not. So frustrating Update This..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code object like so motionManager CMMotionManager alloc init referenceAttitude nil When you want to enable the gyro you could create an enableGyro method or just call it from the init method. The following will.. alloc init referenceAttitude nil When you want to enable the gyro you could create an enableGyro method or just call it from the init method. The following will store the initial device attitude.. and cause the device to continue sampling the gyro and updating its attitude property. void enableGyro CMDeviceMotion deviceMotion motionManager.deviceMotion CMAttitude attitude deviceMotion.attitude..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown a new object . For selectors you're trying to call that return void or other non objects you could enable compiler features to ignore the warning but it may be dangerous. I've seen Clang go through a few iterations.. it handles return values that aren't assigned to local variables. There's no reason that with ARC enabled that it can't retain and release the object value that's returned from methodForSelector even though..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating min moves and such I would like to keep the UI updated. Then once it's finished calculating re enable the button and change the title. Below is some sample code from the button selector and the solving.. puzzle Button is ENABLED YES Called when button is pressed void solvePuzzle id sender solveButton.enabled NO solveButton.title @ Working . . . . I've tried using this as a Background thread but I can't get.. createTreeFromNode rootNode Need to wait here until createTreeFromNode is finished. solveButton.enabled YES if numSolutions 0 solveButton.title @ Not Solvable else solveButton.title @ Solve Puzzle Needs..
iOS Launching Settings -> Restrictions URL Scheme http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme able to make this work Any insight would be greatly appreciated. I'm trying to take the user to enable in app purchasing and would rather not have the user manually click on Restrictions not very obvious..
How can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth
How to use NSzombie in xcode? [duplicate] http://stackoverflow.com/questions/1211923/how-to-use-nszombie-in-xcode is crashing with no error tracing. I can see part of what is going on if I debug but can't figure out which object is zombie ing . Does anybody know how to enable NSZombie in Xcode 4 xcode nszombie share improve this question Environment variables are now part of the scheme . If you edit the scheme you want to turn on..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size pre iPhone 5 and iPhone 5 . If that sounds ugly then you could go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina quality..
http://stackoverflow.com/questions/1861656/iphone-reachability-checking me all sorts of problems. What am I doing wrong I'm an alright coder I just have a hard time when it comes time to figure out what needs to be put where to enable what I want to do regardless if I want to know what I want to do or not. So frustrating Update This is what's going on. This is in my viewcontroller which I have..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code Then in your init method you should allocate the motion manager object like so motionManager CMMotionManager alloc init referenceAttitude nil When you want to enable the gyro you could create an enableGyro method or just call it from the init method. The following will store the initial device attitude and cause the device to.. allocate the motion manager object like so motionManager CMMotionManager alloc init referenceAttitude nil When you want to enable the gyro you could create an enableGyro method or just call it from the init method. The following will store the initial device attitude and cause the device to continue sampling the gyro and updating.. init method. The following will store the initial device attitude and cause the device to continue sampling the gyro and updating its attitude property. void enableGyro CMDeviceMotion deviceMotion motionManager.deviceMotion CMAttitude attitude deviceMotion.attitude referenceAttitude attitude retain motionManager startGyroUpdates..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown as in #3 above that is the method you're calling returns a new object . For selectors you're trying to call that return void or other non objects you could enable compiler features to ignore the warning but it may be dangerous. I've seen Clang go through a few iterations of how it handles return values that aren't assigned.. I've seen Clang go through a few iterations of how it handles return values that aren't assigned to local variables. There's no reason that with ARC enabled that it can't retain and release the object value that's returned from methodForSelector even though you don't want to use it. From the compiler's perspective..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating a button and while it's trying to find the number of solutions min moves and such I would like to keep the UI updated. Then once it's finished calculating re enable the button and change the title. Below is some sample code from the button selector and the solving function Please keep in mind I copy paste from Xcode so there.. moves solution data. Then once it's finished calculating the puzzle Button is ENABLED YES Called when button is pressed void solvePuzzle id sender solveButton.enabled NO solveButton.title @ Working . . . . I've tried using this as a Background thread but I can't get the code to waitTilDone before continuing and changing the.. com.gamesbychris.createTree 0 dispatch_sync queue ^ self createTreeFromNode rootNode Need to wait here until createTreeFromNode is finished. solveButton.enabled YES if numSolutions 0 solveButton.title @ Not Solvable else solveButton.title @ Solve Puzzle Needs to run in background so UI can be updated void createTreeFromNode..
iOS Launching Settings -> Restrictions URL Scheme http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme Restrictions Has anyone found documentation on this or been able to make this work Any insight would be greatly appreciated. I'm trying to take the user to enable in app purchasing and would rather not have the user manually click on Restrictions not very obvious . Thanks iphone ios settings url scheme share improve this..
How can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth
How to use NSzombie in xcode? [duplicate] http://stackoverflow.com/questions/1211923/how-to-use-nszombie-in-xcode can see part of what is going on if I debug but can't figure out which object is zombie ing . Does anybody know how to enable NSZombie in Xcode 4 xcode nszombie share improve this question Environment variables are now part of the scheme . If..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size ugly then you could go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png..
http://stackoverflow.com/questions/1861656/iphone-reachability-checking wrong I'm an alright coder I just have a hard time when it comes time to figure out what needs to be put where to enable what I want to do regardless if I want to know what I want to do or not. So frustrating Update This is what's going on...
Animating a custom property of CALayer subclass http://stackoverflow.com/questions/2395382/animating-a-custom-property-of-calayer-subclass
shouldAutorotateToInterfaceOrientation doesn't work http://stackoverflow.com/questions/2868132/shouldautorotatetointerfaceorientation-doesnt-work disables autosizing of a parent view ™s children altogether if those children have no springs and struts set. To enable the autosizing behavior again you must pass YES to the setAutoresizesSubviews method of the parent view. Upon doing that..
Adding the “Clear” Button to an iPhone UITextField http://stackoverflow.com/questions/320078/adding-the-clear-button-to-an-iphone-uitextfield the UITextField class but as of the iPhone OS 2.2 SDK there isn't any way to set it via Interface Builder. You have to enable it programmatically. Add this line of code somewhere viewDidLoad for example myUITextField.clearButtonMode UITextFieldViewModeWhileEditing..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code the motion manager object like so motionManager CMMotionManager alloc init referenceAttitude nil When you want to enable the gyro you could create an enableGyro method or just call it from the init method. The following will store the initial.. so motionManager CMMotionManager alloc init referenceAttitude nil When you want to enable the gyro you could create an enableGyro method or just call it from the init method. The following will store the initial device attitude and cause the device.. initial device attitude and cause the device to continue sampling the gyro and updating its attitude property. void enableGyro CMDeviceMotion deviceMotion motionManager.deviceMotion CMAttitude attitude deviceMotion.attitude referenceAttitude..
UIScrollView Infinite Scrolling http://stackoverflow.com/questions/3430267/uiscrollview-infinite-scrolling adjust the contentOffset so the data under the view port stays the same. This works perfectly if I scroll slowly or enable paging but if I go fast not even very fast it goes mad Heres the code void scrollViewDidScroll UIScrollView scrollView float..
How can I find out if the iPhone user currently has a passcode set and encryption enabled? http://stackoverflow.com/questions/3806455/how-can-i-find-out-if-the-iphone-user-currently-has-a-passcode-set-and-encryptio can I find out if the iPhone user currently has a passcode set and encryption enabled I'm writing an iPhone application that requires its data to be encrypted. I've learned how to turn on encryption for files.. iOS 4.0 or better. What I've realized though that if the user has not chosen a passcode and has not specifically enabled data protection on the Settings General Passcade Lock screen then the data isn't actually protected at all. I'd like to.. screen then the data isn't actually protected at all. I'd like to pop up a warning and tell the user that they must enable a passcode and turn on data protection which requires a backup and restore on pre 4 iPhones and then exit the application..
iphone how to get crash log from customers? http://stackoverflow.com/questions/3844482/iphone-how-to-get-crash-log-from-customers report and send it to the server. If it crashes now the file has been deleted so it shouldn't happen again. Finally enable crash reporting so if it crashes in steps 1 or 2 the crash isn't logged . In any case you should have a Oops it crashed..
iOS: Movement Precision in 3D Space http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space but only need to move a few feet. Is there any technique maybe with the accelerometer and gyroscope that would enable this degree of accuracy For example the user holds the phone flat so that the bottom of the phone runs parallel with the..
Changing the size of the UISearchBar TextField? http://stackoverflow.com/questions/556814/changing-the-size-of-the-uisearchbar-textfield Bar into the same View. Move its right resizing handle to the left adjust so that it abuts the N B. That's it. You can enable a cancel button if you want too and it also won't overlap the index remains within the search bar . Apparently a Table View..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown calling returns a new object . For selectors you're trying to call that return void or other non objects you could enable compiler features to ignore the warning but it may be dangerous. I've seen Clang go through a few iterations of how it handles.. iterations of how it handles return values that aren't assigned to local variables. There's no reason that with ARC enabled that it can't retain and release the object value that's returned from methodForSelector even though you don't want to..
How to log all methods used in iOS app http://stackoverflow.com/questions/7270502/how-to-log-all-methods-used-in-ios-app is triggered in your application. This works similarly to the DTrace script I described in this answer . To enable this breakpoint action create a new symbolic breakpoint in Xcode 4 go to the breakpoint navigator and create a new symbolic..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating the number of solutions min moves and such I would like to keep the UI updated. Then once it's finished calculating re enable the button and change the title. Below is some sample code from the button selector and the solving function Please keep.. calculating the puzzle Button is ENABLED YES Called when button is pressed void solvePuzzle id sender solveButton.enabled NO solveButton.title @ Working . . . . I've tried using this as a Background thread but I can't get the code to waitTilDone.. queue ^ self createTreeFromNode rootNode Need to wait here until createTreeFromNode is finished. solveButton.enabled YES if numSolutions 0 solveButton.title @ Not Solvable else solveButton.title @ Solve Puzzle Needs to run in background..
iOS Launching Settings -> Restrictions URL Scheme http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme on this or been able to make this work Any insight would be greatly appreciated. I'm trying to take the user to enable in app purchasing and would rather not have the user manually click on Restrictions not very obvious . Thanks iphone ios..
iPhone UIWebView local resources using Javascript and handling onorientationChange http://stackoverflow.com/questions/843820/iphone-uiwebview-local-resources-using-javascript-and-handling-onorientationchan now holding your phone upright p div div id content_flipped p This doesn't work yet but there is a chance apple will enable it at some point so I've put it in anyway. You would be holding your phone upside down if it did work. p div div body html..
How to use NSzombie in xcode? [duplicate] http://stackoverflow.com/questions/1211923/how-to-use-nszombie-in-xcode Edit Scheme go to the Run Foo.app stage in the left panel and the Arguments tab on the right. You can then add NSZombieEnabled to the Environment Variables section and set the value to YES as you could in Xcode 3. In Xcode 4.1 and above there's also..
How to know when the device is charging? [closed] http://stackoverflow.com/questions/13186203/how-to-know-when-the-device-is-charging question completely. Here is how to detect when a charger is plugged in. There is a property named batteryMonitoringEnabled . batteryMonitoringEnabled A Boolean value indicating whether battery monitoring is enabled YES or not NO . Enable battery.. is how to detect when a charger is plugged in. There is a property named batteryMonitoringEnabled . batteryMonitoringEnabled A Boolean value indicating whether battery monitoring is enabled YES or not NO . Enable battery monitoring if your app.. . batteryMonitoringEnabled A Boolean value indicating whether battery monitoring is enabled YES or not NO . Enable battery monitoring if your app needs to be notified of changes to the battery state or if you want to check the battery..
Finding Distance from RSSI value of bluetooth low energy enable device http://stackoverflow.com/questions/13705647/finding-distance-from-rssi-value-of-bluetooth-low-energy-enable-device more accurate positioning result. You can get this purely from Advertisement packages but you must either Disable scan Enable scan or tell iOS CoreBluetooth to report all adv packages. In foreground mode you can do this but in background mode you..
Enable copy and paste on UITextField without making it editable http://stackoverflow.com/questions/1920541/enable-copy-and-paste-on-uitextfield-without-making-it-editable copy and paste on UITextField without making it editable I want the text in a UITextField or ideally a UILabel to be non..
Enable iPhone accelerometer while screen is locked http://stackoverflow.com/questions/2529422/enable-iphone-accelerometer-while-screen-is-locked iPhone accelerometer while screen is locked So apparently it is possible to keep the processor going processing stuff while..
Enable/disable zoom on iPhone safari with Javascript? http://stackoverflow.com/questions/2750028/enable-disable-zoom-on-iphone-safari-with-javascript disable zoom on iPhone safari with Javascript I have 1 page which has 2 DIV elements which is shown hidden based on user..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone Project Edit Project Settings Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker..
Storing In App Purchase receipts in the application Keychain http://stackoverflow.com/questions/4978852/storing-in-app-purchase-receipts-in-the-application-keychain initWithData upgradeItemData encoding NSUTF8StringEncoding autorelease if s isEqualToString kYourUpgradeStateValue Enable feature If upgradeItemData is nil then the key doesn ™t exist so you can assume the upgrade is not there or what we do is..
How to animate the pie charts developed using core-plot library? http://stackoverflow.com/questions/5241740/how-to-animate-the-pie-charts-developed-using-core-plot-library
http://stackoverflow.com/questions/706344/lock-unlock-events-iphone denom numer doesn't change ... However it seems Apple does turn off the accelerometer when the device is locked... Enable iPhone accelerometer while screen is locked tested iOS4.2 on iPhone 4 has this behavior Thus... In your application delegate..
How to record sound produced by mixer unit output (iOS Core Audio & Audio Graph) http://stackoverflow.com/questions/7118429/how-to-record-sound-produced-by-mixer-unit-output-ios-core-audio-audio-graph not find the error. Here is the code below. This is done just after the Multichannel Mixer unit Setup UInt32 flag 1 Enable IO for playback result AudioUnitSetProperty iOUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output 0 Output bus.. Mixer unit Setup UInt32 flag 1 Enable IO for playback result AudioUnitSetProperty iOUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output 0 Output bus flag sizeof flag if noErr result self printErrorMessage @ AudioUnitSetProperty.. 0 Output bus flag sizeof flag if noErr result self printErrorMessage @ AudioUnitSetProperty EnableIO withStatus result return can't do that because AudioUnitSetProperty EnableIO error 1073752493 00000000 result AudioUnitSetProperty..
Why is object not dealloc'ed when using ARC + NSZombieEnabled http://stackoverflow.com/questions/8408071/why-is-object-not-dealloced-when-using-arc-nszombieenabled is object not dealloc'ed when using ARC NSZombieEnabled I converted my app to ARC and noticed that an object alloc'ed in one of my view controllers was not being dealloc'ed when.. was not being dealloc'ed when that view controller was dealloc'ed. It took a while to figure out why. I have Enable Zombie Objects on for my project while debugging and this turned out to be the cause. Consider the following app logic 1.. stops observing when it is dealloc'ed. 4 User dismisses SecondaryViewController to return to RootViewController . With Enable Zombie Objects turned off the above works fine all objects are deallocated. With Enable Zombie Objects on ActionsController..
Can anybody help me in recording iPhone output sound through Audio Unit http://stackoverflow.com/questions/8615358/can-anybody-help-me-in-recording-iphone-output-sound-through-audio-unit AudioComponentFindNext NULL desc Get audio units status AudioComponentInstanceNew inputComponent audioUnit Enable IO for recording UInt32 flag 1 status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Input.. audioUnit Enable IO for recording UInt32 flag 1 status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Input kInputBus flag sizeof flag Enable IO for playback status AudioUnitSetProperty audioUnit.. audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Input kInputBus flag sizeof flag Enable IO for playback status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output kOutputBus..
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