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2014/10/15 ¤U¤È 10:05:05
iphone Programming Glossary: changingHow to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records a record potentially involves updating a lot of records on the ordering info it's sorta like changing the order of an array element What's the best way to implement an efficient ordering scheme iphone..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone like the Multiply blending mode in Photoshop where whites would be replaced with tint I will be changing the color value continuously. Follow up I would put the code to do this in my ImageView's drawRect method..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do..
Determining if an iPhone is Jail broken Programatically http://stackoverflow.com/questions/1140856/determining-if-an-iphone-is-jail-broken-programatically http thwart ipa cracks.blogspot.com 2008 11 detection.html In short the cracking usually requires changing the Info.plist. Since it's regular file you have access to it's pretty easy to determine such changes...
gcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone programmer I'm not sure how to progress this. Basically I have code which I found to help me with changing the background colors of cells on a grouped uitableview. The code introduced a line as such CGContextAddArcToPoint..
Autorotate in iOS 6 has strange behaviour http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour ios6 share improve this question From Apple's iOS 6 SDK Release Notes Autorotation is changing in iOS 6. In iOS 6 the shouldAutorotateToInterfaceOrientation method of UIViewController is deprecated...
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view superlayer's coordinate system. Because the position is relative to the anchorPoint of the layer changing that anchorPoint while maintaining the same position moves the layer. In order to prevent this movement..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self this question Using self causes your class' setter for this variable to be called rather than changing the ivar directly. self.mainViewController aController is equivalent to self setMainViewController aController..
How to change the name of an iOS app? http://stackoverflow.com/questions/238980/how-to-change-the-name-of-an-ios-app since its nearly finished. But I'm not sure how to do this with Xcode trying the obvious of changing the application's name in the pinfo causes the signing process to go wrong I think... and my app won't..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring NSStrings is because the length of each of the three NSAttributedString substrings will be changing often and so I would prefer not to use any calculations to re position 3 separate NSString objects...
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 to the bugs in lipo . NOTE the install instructions have changed I can probably simplify this by changing the script in future but don't want to risk it now copy headers section now respects the build setting..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll as the primary TableView If I use the same one is it as simple as clearing the FRC cache and then changing the predicate in the handleSearchForTerm searchString method Does the predicate have to contain the..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk I recommend the following approach originally from this StackOverflow question UIWebView iOS5 changing user agent as pointed out in an answer below. In comments on that page it appears to work in 4.3 and..
http://stackoverflow.com/questions/551530/customizing-uialertview isn't an alert so it's counter to what UIAlertView is designed to be for. This means that you're changing the UI paradigm on the user which is never a good idea. Second it would be much easier to animate a..
UITableView and keyboard scrolling issue http://stackoverflow.com/questions/594181/uitableview-and-keyboard-scrolling-issue to get my cells properly positioned above the keyboard. I have seen many answers talking about changing view sizes etc... but none of them has worked nicely so far. Could anybody clarify the right way to..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone the UIButtons but also should send the button press action. Right now I have the touch up inside changing the control. The drag exit calls the touch up inside section to set the control then calls the touches..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature to override NSDateFormatter with a version that would set the locale in the init method. Requires changing two lines the alloc init line and the added import. Added This is what I've come up with so far seems..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating using this as a Background thread but I can't get the code to waitTilDone before continuing and changing the button state. self performSelectorInBackground @selector createTreeFromNode withObject rootNode.. using this as a Background thread but I can't get the code to waitTilDone before continuing and changing the button state. self performSelectorInBackground @selector createTreeFromNode withObject rootNode..
How to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records index has a problem. if I am dealing with lots of data reordering a record potentially involves updating a lot of records on the ordering info it's sorta like changing the order of an array element What's the best way to implement an efficient ordering scheme iphone core data share improve this question FetchedResultsController..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone tint an image with a color reference. The results should look like the Multiply blending mode in Photoshop where whites would be replaced with tint I will be changing the color value continuously. Follow up I would put the code to do this in my ImageView's drawRect method right As always a code snippet would greatly aid in my..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView and a UIScrollView Does one go inside..
Determining if an iPhone is Jail broken Programatically http://stackoverflow.com/questions/1140856/determining-if-an-iphone-is-jail-broken-programatically
gcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone different variations on discussion forums but being a non programmer I'm not sure how to progress this. Basically I have code which I found to help me with changing the background colors of cells on a grouped uitableview. The code introduced a line as such CGContextAddArcToPoint c minx miny midx miny ROUND_SIZE This gave an..
Autorotate in iOS 6 has strange behaviour http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour app will be rotated. iphone objective c ios mpmovieplayercontroller ios6 share improve this question From Apple's iOS 6 SDK Release Notes Autorotation is changing in iOS 6. In iOS 6 the shouldAutorotateToInterfaceOrientation method of UIViewController is deprecated. In its place you should use the supportedInterfaceOrientationsForWindow..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view then setting the location of the center of the layer in its superlayer's coordinate system. Because the position is relative to the anchorPoint of the layer changing that anchorPoint while maintaining the same position moves the layer. In order to prevent this movement you would need to adjust the layer's position to account..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self variable. iphone objective c cocoa touch share improve this question Using self causes your class' setter for 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..
How to change the name of an iOS app? http://stackoverflow.com/questions/238980/how-to-change-the-name-of-an-ios-app code name and now I want to change the name of the project since its nearly finished. But I'm not sure how to do this with Xcode trying the obvious of changing the application's name in the pinfo causes the signing process to go wrong I think... and my app won't launch giving me a Launcher error. I guess I could make a..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring a string that has three colours. The reason I don't use 3 separate NSStrings is because the length of each of the three NSAttributedString substrings will be changing often and so I would prefer not to use any calculations to re position 3 separate NSString objects. If it's possible using NSAttributedString how do I make the..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 to bottom now supports iPhone5 using Apple's workaround to the bugs in lipo . NOTE the install instructions have changed I can probably simplify this by changing the script in future but don't want to risk it now copy headers section now respects the build setting for the location of the public headers courtesy of Frederik..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll retrieves only the matching items or can I use the same one as the primary TableView If I use the same one is it as simple as clearing the FRC cache and then changing the predicate in the handleSearchForTerm searchString method Does the predicate have to contain the initial predicate as well as the search terms or does it remember..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk cocoa touch share improve this question With iOS 5 changes I recommend the following approach originally from this StackOverflow question UIWebView iOS5 changing user agent as pointed out in an answer below. In comments on that page it appears to work in 4.3 and earlier also. Change the UserAgent default value by running..
http://stackoverflow.com/questions/551530/customizing-uialertview a custom view yourself. For one what you're showing really isn't an alert so it's counter to what UIAlertView is designed to be for. This means that you're changing the UI paradigm on the user which is never a good idea. Second it would be much easier to animate a custom view into place than to try and hack UIAlertView to get..
UITableView and keyboard scrolling issue http://stackoverflow.com/questions/594181/uitableview-and-keyboard-scrolling-issue edit the cells at the bottom of the UITableView I can't manage to get my cells properly positioned above the keyboard. I have seen many answers talking about changing view sizes etc... but none of them has worked nicely so far. Could anybody clarify the right way to do this with a concrete code example Thanks in advance Jonathan..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone should be passed on to the main view when touching the UIButtons but also should send the button press action. Right now I have the touch up inside changing the control. The drag exit calls the touch up inside section to set the control then calls the touches began section to start the main area touching operation...
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature without making the code to obscure My first instinct is to override NSDateFormatter with a version that would set the locale in the init method. Requires changing two lines the alloc init line and the added import. Added This is what I've come up with so far seems to work in all scenarios @implementation BNSDateFormatter..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating 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 button state. self performSelectorInBackground @selector createTreeFromNode withObject rootNode I've tried to use GCD but similar issue and can't get UI updated... 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 button state. self performSelectorInBackground @selector createTreeFromNode withObject rootNode NO do not wait or enable here. Need to wait here until createTreeFromNode..
How to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records lots of data reordering a record potentially involves updating a lot of records on the ordering info it's sorta like changing the order of an array element What's the best way to implement an efficient ordering scheme iphone core data share improve..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone results should look like the Multiply blending mode in Photoshop where whites would be replaced with tint I will be changing the color value continuously. Follow up I would put the code to do this in my ImageView's drawRect method right As always..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView..
Determining if an iPhone is Jail broken Programatically http://stackoverflow.com/questions/1140856/determining-if-an-iphone-is-jail-broken-programatically your app was cracked http thwart ipa cracks.blogspot.com 2008 11 detection.html In short the cracking usually requires changing the Info.plist. Since it's regular file you have access to it's pretty easy to determine such changes. share improve this..
gcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone but being a non programmer I'm not sure how to progress this. Basically I have code which I found to help me with changing the background colors of cells on a grouped uitableview. The code introduced a line as such CGContextAddArcToPoint c minx..
Autorotate in iOS 6 has strange behaviour http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour ios mpmovieplayercontroller ios6 share improve this question From Apple's iOS 6 SDK Release Notes Autorotation is changing in iOS 6. In iOS 6 the shouldAutorotateToInterfaceOrientation method of UIViewController is deprecated. In its place you..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view of the layer in its superlayer's coordinate system. Because the position is relative to the anchorPoint of the layer changing that anchorPoint while maintaining the same position moves the layer. In order to prevent this movement you would need to..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self touch share improve this question Using self causes your class' setter for this variable to be called rather than changing the ivar directly. self.mainViewController aController is equivalent to self setMainViewController aController On the other..
How to change the name of an iOS app? http://stackoverflow.com/questions/238980/how-to-change-the-name-of-an-ios-app the name of the project since its nearly finished. But I'm not sure how to do this with Xcode trying the obvious of changing the application's name in the pinfo causes the signing process to go wrong I think... and my app won't launch giving me..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring I don't use 3 separate NSStrings is because the length of each of the three NSAttributedString substrings will be changing often and so I would prefer not to use any calculations to re position 3 separate NSString objects. If it's possible using..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 Apple's workaround to the bugs in lipo . NOTE the install instructions have changed I can probably simplify this by changing the script in future but don't want to risk it now copy headers section now respects the build setting for the location..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll I use the same one as the primary TableView If I use the same one is it as simple as clearing the FRC cache and then changing the predicate in the handleSearchForTerm searchString method Does the predicate have to contain the initial predicate as..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk With iOS 5 changes I recommend the following approach originally from this StackOverflow question UIWebView iOS5 changing user agent as pointed out in an answer below. In comments on that page it appears to work in 4.3 and earlier also. Change..
http://stackoverflow.com/questions/551530/customizing-uialertview you're showing really isn't an alert so it's counter to what UIAlertView is designed to be for. This means that you're changing the UI paradigm on the user which is never a good idea. Second it would be much easier to animate a custom view into place..
UITableView and keyboard scrolling issue http://stackoverflow.com/questions/594181/uitableview-and-keyboard-scrolling-issue I can't manage to get my cells properly positioned above the keyboard. I have seen many answers talking about changing view sizes etc... but none of them has worked nicely so far. Could anybody clarify the right way to do this with a concrete..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone view when touching the UIButtons but also should send the button press action. Right now I have the touch up inside changing the control. The drag exit calls the touch up inside section to set the control then calls the touches began section to..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature My first instinct is to override NSDateFormatter with a version that would set the locale in the init method. Requires changing two lines the alloc init line and the added import. Added This is what I've come up with so far seems to work in all scenarios..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating . . . . I've tried using this as a Background thread but I can't get the code to waitTilDone before continuing and changing the button state. self performSelectorInBackground @selector createTreeFromNode withObject rootNode I've tried to use GCD.. . . . . I've tried using this as a Background thread but I can't get the code to waitTilDone before continuing and changing the button state. self performSelectorInBackground @selector createTreeFromNode withObject rootNode NO do not wait or enable..
UIView's frame, bounds, center, origin, when to use what? http://stackoverflow.com/questions/1071112/uiviews-frame-bounds-center-origin-when-to-use-what defines the drawable area of the UIView relative to the frame. By default this property is usually 0 0 width height . Changing this property will allow you to draw outside of the frame or restrict drawing to a smaller area within the frame. A good..
Changing image on UIButton when user presses that button on an iPhone http://stackoverflow.com/questions/1072698/changing-image-on-uibutton-when-user-presses-that-button-on-an-iphone image on UIButton when user presses that button on an iPhone I want to change the image on UIButton when User presses that..
Changing the userAgent of NSURLConnection http://stackoverflow.com/questions/1532206/changing-the-useragent-of-nsurlconnection the userAgent of NSURLConnection Hey I am using a NSURL Connection to receive data. NSURLConnection sendSynchronousRequest..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view my CALayer's anchorPoint moves the view I want to alter the anchorPoint but keep the view in the same place. I've tried..
RTL shows numbers at the end of lines http://stackoverflow.com/questions/2182962/rtl-shows-numbers-at-the-end-of-lines take that of their surrounding. When you type 1. קר the system first sees 1 so takes the usual LTR direction. Changing the alignment won't help as it just shifts the whole text to right or center. To solve this issue Unicode has two marker..
iPhone: Changing CGImageAlphaInfo of CGImage http://stackoverflow.com/questions/2457116/iphone-changing-cgimagealphainfo-of-cgimage Changing CGImageAlphaInfo of CGImage I have a PNG image that has an unsupported bitmap graphics context pixel format. Whenever I..
Changing font size of tabbaritem http://stackoverflow.com/questions/2576592/changing-font-size-of-tabbaritem font size of tabbaritem Is it possible to change the font size of tabs iphone ios cocoa touch uitabbar uitabbaritem ..
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..
Popover with embedded navigation controller doesn't respect size on back nav http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav popover will change while navigating to different controller while going back the size of the popover does not restore Changing size of the popover in viewWillAppear gives very strange animation when let's say you popController inside the popover I'd..
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key is caused by the Second view controller in MainWindow.xib having a class of UIViewController instead of SecondView . Changing to the correct class resolves the problem. By the way it is bad practice to have names like string in Objective C. It invites..
Changing bounds of imageView of UITableViewCell http://stackoverflow.com/questions/3130804/changing-bounds-of-imageview-of-uitableviewcell bounds of imageView of UITableViewCell I'm trying to place various size images inside imageView of UITableViewCell. I get..
Changing the volume without a volume slider on an iphone http://stackoverflow.com/questions/3458965/changing-the-volume-without-a-volume-slider-on-an-iphone the volume without a volume slider on an iphone I need your help. How should I proceed to change the sound volume in my..
NSURLRequest cannot handle HTTP body when method is not POST? http://stackoverflow.com/questions/3469061/nsurlrequest-cannot-handle-http-body-when-method-is-not-post in the request and I get a kCFErrorDomainCFNetwork error 303 kCFErrorHTTPParseFailure when the server replies. Changing the method to POST is all it takes for the request to go through with no error. Is there any way to attach a body to other..
How do I get my AVPlayer to play while app is in background? http://stackoverflow.com/questions/4771105/how-do-i-get-my-avplayer-to-play-while-app-is-in-background AudioSessionSetProperty kAudioSessionProperty_OverrideAudioRoute sizeof audioRouteOverride audioRouteOverride 2. Changing the default output audio route UInt32 doChangeDefaultRoute 1 AudioSessionSetProperty kAudioSessionProperty_OverrideCategoryDefaultToSpeaker..
Changing language on the fly, in running iOS, iphone app http://stackoverflow.com/questions/5109245/changing-language-on-the-fly-in-running-ios-iphone-app language on the fly in running iOS iphone app I've been stackling and googling for hours. And I'm kind of desperate now...
Changing the size of the UISearchBar TextField? http://stackoverflow.com/questions/556814/changing-the-size-of-the-uisearchbar-textfield the size of the UISearchBar TextField I have a UITableView with an Index on the side I want to add a UISearchBar to it..
Changing Tint / Background color of UITabBar http://stackoverflow.com/questions/571028/changing-tint-background-color-of-uitabbar Tint Background color of UITabBar The UINavigationBar and UISearchBar both have a tintColor property that allows you to..
Changing the delete accessory view in a UITableViewCell http://stackoverflow.com/questions/858697/changing-the-delete-accessory-view-in-a-uitableviewcell the delete accessory view in a UITableViewCell Is it possible to change the view shown in response to a left to right I..
Changing the background color of a UIAlertView? http://stackoverflow.com/questions/883208/changing-the-background-color-of-a-uialertview the background color of a UIAlertView I want to change the background color of my UIAlertView but this doesn't appear to..
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