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2014/10/15 ¤U¤È 10:03:43
iphone Programming Glossary: appearAny quick and dirty anti-aliasing techniques for a rotated UIImageView? http://stackoverflow.com/questions/1136110/any-quick-and-dirty-anti-aliasing-techniques-for-a-rotated-uiimageview UIImage of the UIImageView fills the entire frame. When the image is rotated and drawn the edges appear noticeably jagged. Is there anything I can do to make it look better It's clearly not being anti aliased..
How to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw Then single click in the space next to objc_exception_throw under the location column. A box will appear for you to type in the location in this case libobjc.A.dylib . I've made a screenshot that will hopefully..
“wait_fences: failed to receive reply: 10004003”? http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003 to call super viewDidAppear . You should not perform animations when you are not on screen will appear . And the viewDidAppear docs explain that you must call super because they have their own things to..
http://stackoverflow.com/questions/1388467/reading-epub-format
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom it gets to a certain point do some manipulation to whatever data you're presenting so that it appears zoomed then reset the zoom factor to 1.0. For example if you're scrolling an image and it gets zoomed.. then reset the zoom factor to 1.0. For example if you're scrolling an image and it gets zoomed to appear twice as large programmatically apply some kind of transform to make the image twice as large then reset.. the image twice as large then reset the scroll view's zoom factor to 1.0. The image will still appear zoomed in but the scroll view will be able to continue zooming in further as necessary. Google Maps..
Observing pinch multi-touch gestures in a UITableView http://stackoverflow.com/questions/2003201/observing-pinch-multi-touch-gestures-in-a-uitableview UIEvent event return YES if event handled @end @interface EventInterceptWindow UIWindow It would appear that using the variable name 'delegate' in any UI Kit subclass is a really bad idea because it can occlude..
How to disable phone number linking in Mobile Safari? http://stackoverflow.com/questions/226131/how-to-disable-phone-number-linking-in-mobile-safari linking in Mobile Safari Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address and Safari is turning that..
http://stackoverflow.com/questions/2496554/easiest-way-to-support-multiple-orientations-how-do-i-load-a-custom-nib-when-th
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk sidebar Select the Project which will be at the top of that view. The project configuration will appear in the main editor panel select Build Settings at the top and below will be the 'Architecture' section...
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode that shows it working correctly in a Landscape only iPad app. LandscapeOnlyProblemTest It would appear it is NO longer necessary to force the size of the view on every view and the specific bad problem of..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom redraw itself at the new size scale. However this causes a problem because UIScrollView doesn't appear to monitor the content view transform so on the next zoom operation it sets the transform of the content..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events And save all data to restore your views your app will be terminated some time later. To make it appear still running you must jump back into your last state after wakeup. I don't know if this is the approach..
instruments with iOS: Why does Memory Monitor disagree with Allocations? http://stackoverflow.com/questions/5518918/instruments-with-ios-why-does-memory-monitor-disagree-with-allocations the source of the low system memory or how to keep it from running out so quickly My app doesn't appear to be leaking memory but somehow it's exhausting the system resources. Thanks iphone ios ipad memory..
Having trouble adding objects to NSMutableArray in Objective C http://stackoverflow.com/questions/851926/having-trouble-adding-objects-to-nsmutablearray-in-objective-c the Leaks performance tool . However when stepping through the code at no point does CardIdObject appear in viewedCardsArray . Looking through SO I know these basic questions are pretty common to ObjC newbies..
Changing the background color of a UIAlertView? http://stackoverflow.com/questions/883208/changing-the-background-color-of-a-uialertview color of a UIAlertView I want to change the background color of my UIAlertView but this doesn't appear to have a color attribute. iphone objective c cocoa touch uikit uialertview share improve this question..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically Controller typically has all those methods like void viewWillAppear BOOL animated void viewDidDisappear BOOL animated void viewDidLoad ...and so on. Who or what or how would those methods be called if I do.. I have to take care about calling those methods How does it know that viewWillAppear viewDidDisappear or viewDidLoad I believe that the Tab Bar Controller has all this cleverness under the hood. Or am I.. I release the view controller for example ViewControllerA I will get no log message on viewDidDisappear. Only when allocating and initializing the ViewControllerA I get an viewDidLoad. But that's it. So all..
Any quick and dirty anti-aliasing techniques for a rotated UIImageView? http://stackoverflow.com/questions/1136110/any-quick-and-dirty-anti-aliasing-techniques-for-a-rotated-uiimageview rectangular that i'm rotating with a CGAffineTransform. The UIImage of the UIImageView fills the entire frame. When the image is rotated and drawn the edges appear noticeably jagged. Is there anything I can do to make it look better It's clearly not being anti aliased with the background. iphone cocoa touch uiimageview uiimage..
How to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw
“wait_fences: failed to receive reply: 10004003”? http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003
http://stackoverflow.com/questions/1388467/reading-epub-format
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom this time watch the zoom factor on the scroll view. Whenever it gets to a certain point do some manipulation to whatever data you're presenting so that it appears zoomed then reset the zoom factor to 1.0. For example if you're scrolling an image and it gets zoomed to appear twice as large programmatically apply some kind.. to whatever data you're presenting so that it appears zoomed then reset the zoom factor to 1.0. For example if you're scrolling an image and it gets zoomed to appear twice as large programmatically apply some kind of transform to make the image twice as large then reset the scroll view's zoom factor to 1.0. The image will still.. as large programmatically apply some kind of transform to make the image twice as large then reset the scroll view's zoom factor to 1.0. The image will still appear zoomed in but the scroll view will be able to continue zooming in further as necessary. Google Maps takes this one step further where it lazy loads more detailed..
Observing pinch multi-touch gestures in a UITableView http://stackoverflow.com/questions/2003201/observing-pinch-multi-touch-gestures-in-a-uitableview @protocol EventInterceptWindowDelegate BOOL interceptEvent UIEvent event return YES if event handled @end @interface EventInterceptWindow UIWindow It would appear that using the variable name 'delegate' in any UI Kit subclass is a really bad idea because it can occlude the same name in a superclass and silently break things..
How to disable phone number linking in Mobile Safari? http://stackoverflow.com/questions/226131/how-to-disable-phone-number-linking-in-mobile-safari to disable phone number linking in Mobile Safari Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address and Safari is turning that into a phone number link. Is it possible to disable this behavior..
http://stackoverflow.com/questions/2496554/easiest-way-to-support-multiple-orientations-how-do-i-load-a-custom-nib-when-th
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk navigator using folder icon on the left of the navigator sidebar Select the Project which will be at the top of that view. The project configuration will appear in the main editor panel select Build Settings at the top and below will be the 'Architecture' section. This answer is a slightly adapted version of Sherman Lo..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode by Apple in 4.0 . Here is a FULL TEST PROJECT you can download that shows it working correctly in a Landscape only iPad app. LandscapeOnlyProblemTest It would appear it is NO longer necessary to force the size of the view on every view and the specific bad problem of landscape only working the first time has been resolved. As..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom be CGAffineTransformIdentity and then have your view manually redraw itself at the new size scale. However this causes a problem because UIScrollView doesn't appear to monitor the content view transform so on the next zoom operation it sets the transform of the content view to whatever the overall scale factor is. Since you've..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events of backgrounding. but remember be very spare with CPU time. And save all data to restore your views your app will be terminated some time later. To make it appear still running you must jump back into your last state after wakeup. I don't know if this is the approach of the apps you mentioned before but it works for me. Hope..
instruments with iOS: Why does Memory Monitor disagree with Allocations? http://stackoverflow.com/questions/5518918/instruments-with-ios-why-does-memory-monitor-disagree-with-allocations between these two tools Additionally is it possible to find the source of the low system memory or how to keep it from running out so quickly My app doesn't appear to be leaking memory but somehow it's exhausting the system resources. Thanks iphone ios ipad memory management xcode instruments share improve this question..
Having trouble adding objects to NSMutableArray in Objective C http://stackoverflow.com/questions/851926/having-trouble-adding-objects-to-nsmutablearray-in-objective-c So this code executes and does not seem to leak according to the Leaks performance tool . However when stepping through the code at no point does CardIdObject appear in viewedCardsArray . Looking through SO I know these basic questions are pretty common to ObjC newbies like me so apologies in advance objective c iphone cocoa..
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 have a color attribute. iphone objective c cocoa touch uikit uialertview share improve this question Background of AlertView is an image And you can change..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically when I start the app. But now the big question is A View Controller typically has all those methods like void viewWillAppear BOOL animated void viewDidDisappear BOOL animated void viewDidLoad ...and so on. Who or what or how would those methods be called if I do it my way without a tab bar controller I mean If I allocate.. that ViewController's class and the view get's visible would I have to take care about calling those methods How does it know that viewWillAppear viewDidDisappear or viewDidLoad I believe that the Tab Bar Controller has all this cleverness under the hood. Or am I wrong UPDATE I've tested it. If I release the view controller.. under the hood. Or am I wrong UPDATE I've tested it. If I release the view controller for example ViewControllerA I will get no log message on viewDidDisappear. Only when allocating and initializing the ViewControllerA I get an viewDidLoad. But that's it. So all signs stand for the cleverness of UITabBarController now..
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 Apple runs how were they able to do this recording in an approved application Additionally the app causes a red bar to appear at the top of the screen while it records similar to the native iOS's phone call functionality. I've been an iOS developer.. mode. It is a tricky app that WILL get pulled from the AppStore so if you want it you better get it now. UPDATE It appears that this app was indeed pulled from the AppStore. If you were lucky enough to grab a copy before it was pulled that's..
Any quick and dirty anti-aliasing techniques for a rotated UIImageView? http://stackoverflow.com/questions/1136110/any-quick-and-dirty-anti-aliasing-techniques-for-a-rotated-uiimageview The UIImage of the UIImageView fills the entire frame. When the image is rotated and drawn the edges appear noticeably jagged. Is there anything I can do to make it look better It's clearly not being anti aliased with the background...
How to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw . Then single click in the space next to objc_exception_throw under the location column. A box will appear for you to type in the location in this case libobjc.A.dylib . I've made a screenshot that will hopefully help share improve..
“wait_fences: failed to receive reply: 10004003”? http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003 and make sure to call super viewDidAppear . You should not perform animations when you are not on screen will appear . And the viewDidAppear docs explain that you must call super because they have their own things to do. share improve this..
http://stackoverflow.com/questions/1388467/reading-epub-format
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom scroll view. Whenever it gets to a certain point do some manipulation to whatever data you're presenting so that it appears zoomed then reset the zoom factor to 1.0. For example if you're scrolling an image and it gets zoomed to appear twice as.. it appears zoomed then reset the zoom factor to 1.0. For example if you're scrolling an image and it gets zoomed to appear twice as large programmatically apply some kind of transform to make the image twice as large then reset the scroll view's.. of transform to make the image twice as large then reset the scroll view's zoom factor to 1.0. The image will still appear zoomed in but the scroll view will be able to continue zooming in further as necessary. Google Maps takes this one step..
Observing pinch multi-touch gestures in a UITableView http://stackoverflow.com/questions/2003201/observing-pinch-multi-touch-gestures-in-a-uitableview BOOL interceptEvent UIEvent event return YES if event handled @end @interface EventInterceptWindow UIWindow It would appear that using the variable name 'delegate' in any UI Kit subclass is a really bad idea because it can occlude the same name..
How to disable phone number linking in Mobile Safari? http://stackoverflow.com/questions/226131/how-to-disable-phone-number-linking-in-mobile-safari disable phone number linking in Mobile Safari Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address and Safari is turning that into a phone number..
http://stackoverflow.com/questions/2496554/easiest-way-to-support-multiple-orientations-how-do-i-load-a-custom-nib-when-th
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk left of the navigator sidebar Select the Project which will be at the top of that view. The project configuration will appear in the main editor panel select Build Settings at the top and below will be the 'Architecture' section. This answer is..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode you can download that shows it working correctly in a Landscape only iPad app. LandscapeOnlyProblemTest It would appear it is NO longer necessary to force the size of the view on every view and the specific bad problem of landscape only working..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom your view manually redraw itself at the new size scale. However this causes a problem because UIScrollView doesn't appear to monitor the content view transform so on the next zoom operation it sets the transform of the content view to whatever..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events spare with CPU time. And save all data to restore your views your app will be terminated some time later. To make it appear still running you must jump back into your last state after wakeup. I don't know if this is the approach of the apps you..
instruments with iOS: Why does Memory Monitor disagree with Allocations? http://stackoverflow.com/questions/5518918/instruments-with-ios-why-does-memory-monitor-disagree-with-allocations it possible to find the source of the low system memory or how to keep it from running out so quickly My app doesn't appear to be leaking memory but somehow it's exhausting the system resources. Thanks iphone ios ipad memory management xcode instruments..
Why am I having to manually set my view's frame in viewDidLoad? http://stackoverflow.com/questions/6757018/why-am-i-having-to-manually-set-my-views-frame-in-viewdidload UIKit adjusts the frame of your view controller's view prior to displaying it based on the context in which will appear. The size is determined based on interface orientation and the dimensions of any visible navigation bar tab bar toolbar.. gets presented viewWillAppear is your one and only opportunity. Just remember that this size may change after the view appears for various reasons including rotation events or changes in status bar height. For this reason it's important to give every..
Having trouble adding objects to NSMutableArray in Objective C http://stackoverflow.com/questions/851926/having-trouble-adding-objects-to-nsmutablearray-in-objective-c to leak according to the Leaks performance tool . However when stepping through the code at no point does CardIdObject appear in viewedCardsArray . Looking through SO I know these basic questions are pretty common to ObjC newbies like me so apologies..
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 have a color attribute. iphone objective c cocoa touch uikit uialertview share improve this question Background..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically question is A View Controller typically has all those methods like void viewWillAppear BOOL animated void viewDidDisappear BOOL animated void viewDidLoad ...and so on. Who or what or how would those methods be called if I do it my way without.. get's visible would I have to take care about calling those methods How does it know that viewWillAppear viewDidDisappear or viewDidLoad I believe that the Tab Bar Controller has all this cleverness under the hood. Or am I wrong UPDATE I've tested.. I've tested it. If I release the view controller for example ViewControllerA I will get no log message on viewDidDisappear. Only when allocating and initializing the ViewControllerA I get an viewDidLoad. But that's it. So all signs stand for the..
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