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2014/10/15 ¤U¤È 10:04:58
iphone Programming Glossary: certainhttp://stackoverflow.com/questions/1031554/nstimer-doesnt-stop is being called and invalidates when the viewDidDisappear method is being called. But after a certain amount of switching between views the timer continues firing even after it was invalidated. What's the..
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom something similar only 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..
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller most mail clients now IE previously didn't support it but now it is supported for images up to a certain size though I'm not sure exactly what the size is . The problem is that mail clients like Gmail would..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation way to set the iPhone orientation I have an app where I would like to support device rotation in certain views but other don't particularly make sense in Landscape mode so as I swapping the views out I would..
iPhone: Detecting user inactivity/idle time since last screen touch http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch screen touch Has anybody implemented a feature where if the user has not touched the screen for a certain time period you take a certain action I'm trying to figure out the best way to do that. There's this.. a feature where if the user has not touched the screen for a certain time period you take a certain action I'm trying to figure out the best way to do that. There's this somewhat related method in UIApplication..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions A simple search for questions tagged iphone and landscape reveals these issues which occur under certain scenarios Landscape only iPhone app with multiple nibs App started in Landscape mode view from first.. to autorotate what the master controller will prevent . The usage of undocumented API's to force a certain interface orientation is not an option either. The solution The best solution I have found so far is..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code I use it to disable license key checks and only allow the application to run if it's before a certain date. This lets me distribute a time limited fully functional beta copy with minimal effort on my part...
Proper way to exit iPhone application? http://stackoverflow.com/questions/355168/proper-way-to-exit-iphone-application to exit iPhone application I am programming an iPhone app and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated what's the appropriate method to call to terminate..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store been looking into iPhone development but I've been having problems coming up with the answer to a certain question. If I create an application on my Mac is there any way I can get it to run on an iPhone without..
Automated testing for iPhone [closed] http://stackoverflow.com/questions/402389/automated-testing-for-iphone
Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init] http://stackoverflow.com/questions/5423211/difference-between-nsmutablearray-array-vs-nsmutablearray-alloc-init init Because in the beginning I was declaring all my arrays with alloc and if in the end of a certain function I returned the array created with alloc I had to autorelease that array because of memory leak.. Because in the beginning i was declaring all my arrays with alloc and if in the end of a certain function i returned the array created with alloc i had to autorelease that array because memory leak..
Can I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees? http://stackoverflow.com/questions/542739/can-i-use-cgaffinetransformmakerotation-to-rotate-a-view-more-than-360-degrees once per second for a specified number of seconds. You can easily modify it to spin a view by a certain number of rotations or by some number of radians. void runSpinAnimationWithDuration CGFloat duration..
How do I manage building a Lite vs Paid version of an iPhone app? http://stackoverflow.com/questions/549462/how-do-i-manage-building-a-lite-vs-paid-version-of-an-iphone-app resouce by resource basis which items are included in your target. This can include only compiling certain code into your paid version. You can get quick visual feedback on what is and is not included in the..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour of the default run mode but unfortunately this breaks some aspects of scroll view behaviour on certain phones I'm testing on the 3GS and simulator seem to work fine while the iPhone4 and the 3G don't . Does..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller by the user I need the e mail the user sends to go to a particular account and the body to meet certain criteria so if the user drastically edits the format everything could go horribly wrong..At the moment..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain write glue code to allow your ARC enabled apps to run on iOS 4 no modifications required. However certain things wont work and most noticeably many libraries you might wish to use will sometimes throw up innumerable..
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 the same date format s you could also add category methods that return singleton instances with certain configurations something like sharedRFC3339DateFormatter . Be aware however that NSDateFormatter is..
http://stackoverflow.com/questions/1031554/nstimer-doesnt-stop I've got a timer which fires when the viewWillAppear method is being called and invalidates when the viewDidDisappear method is being called. But after a certain amount of switching between views the timer continues firing even after it was invalidated. What's the problem Here is my code NSTimer timer void viewWillAppear..
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom property to be back in the middle. Handling zooming do something similar only 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..
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller but that's not actually true. Base64 encoding does work with most mail clients now IE previously didn't support it but now it is supported for images up to a certain size though I'm not sure exactly what the size is . The problem is that mail clients like Gmail would strip out your image data but there's a simple workaround..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation there a documented way to set the iPhone orientation I have an app where I would like to support device rotation in certain views but other don't particularly make sense in Landscape mode so as I swapping the views out I would like to force the rotation to be set to portrait. There is..
iPhone: Detecting user inactivity/idle time since last screen touch http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch Detecting user inactivity idle time since last screen touch Has anybody implemented a feature where if the user has not touched the screen for a certain time period you take a certain action I'm trying to figure out the best way to do that. There's this somewhat related method in UIApplication UIApplication sharedApplication.. idle time since last screen touch Has anybody implemented a feature where if the user has not touched the screen for a certain time period you take a certain action I'm trying to figure out the best way to do that. There's this somewhat related method in UIApplication UIApplication sharedApplication .idleTimerDisabled..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions areas of the screen where touches are no longer recognized. A simple search for questions tagged iphone and landscape reveals these issues which occur under certain scenarios Landscape only iPhone app with multiple nibs App started in Landscape mode view from first nib is rendered fine everything view loaded from a different.. a problem if you have some subviews that should be able to autorotate what the master controller will prevent . The usage of undocumented API's to force a certain interface orientation is not an option either. The solution The best solution I have found so far is a modification of the MasterViewController workaround. Instead..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code
Proper way to exit iPhone application? http://stackoverflow.com/questions/355168/proper-way-to-exit-iphone-application way to exit iPhone application I am programming an iPhone app and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated what's the appropriate method to call to terminate the application iphone objective c cocoa touch ipad..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store App Minus App Store I've been looking into iPhone development but I've been having problems coming up with the answer to a certain question. If I create an application on my Mac is there any way I can get it to run on an iPhone without going through the app store It doesn't matter if the iPhone..
Automated testing for iPhone [closed] http://stackoverflow.com/questions/402389/automated-testing-for-iphone
Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init] http://stackoverflow.com/questions/5423211/difference-between-nsmutablearray-array-vs-nsmutablearray-alloc-init array and NSMutableArray array NSMutableArray alloc init Because in the beginning I was declaring all my arrays with alloc and if in the end of a certain function I returned the array created with alloc I had to autorelease that array because of memory leak problems. Now using the first declaration I don't need to.. objective c ios ipad memory leaks share improve this question Because in the beginning i was declaring all my arrays with alloc and if in the end of a certain function i returned the array created with alloc i had to autorelease that array because memory leak problems. Now using the first declaration i don't need to release..
Can I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees? http://stackoverflow.com/questions/542739/can-i-use-cgaffinetransformmakerotation-to-rotate-a-view-more-than-360-degrees into pieces. As an example the following code will spin a view once per second for a specified number of seconds. You can easily modify it to spin a view by a certain number of rotations or by some number of radians. void runSpinAnimationWithDuration CGFloat duration CABasicAnimation rotationAnimation rotationAnimation CABasicAnimation..
How do I manage building a Lite vs Paid version of an iPhone app? http://stackoverflow.com/questions/549462/how-do-i-manage-building-a-lite-vs-paid-version-of-an-iphone-app Cocoa Touch Application you can then specify on a resouce by resource basis which items are included in your target. This can include only compiling certain code into your paid version. You can get quick visual feedback on what is and is not included in the current target by right clicking on the Groups and Files list..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour One temporary fix has been to use NSRunLoopCommonModes instead of the default run mode but unfortunately this breaks some aspects of scroll view behaviour on certain phones I'm testing on the 3GS and simulator seem to work fine while the iPhone4 and the 3G don't . Does anyone know how I could get around this clash between the..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller so that the body recipients etc cannot be changed by the user I need the e mail the user sends to go to a particular account and the body to meet certain criteria so if the user drastically edits the format everything could go horribly wrong..At the moment the body is filled in from data that the user inputs to textfields..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain apps using ARC Automatic Reference Counting and Xcode will write glue code to allow your ARC enabled apps to run on iOS 4 no modifications required. However certain things wont work and most noticeably many libraries you might wish to use will sometimes throw up innumerable errors and you will be unable to use them until the..
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 in a future version of the OS. In case you're always using the same date format s you could also add category methods that return singleton instances with certain configurations something like sharedRFC3339DateFormatter . Be aware however that NSDateFormatter is not thread safe and you have to use locks or @synchronized blocks..
http://stackoverflow.com/questions/1031554/nstimer-doesnt-stop viewWillAppear method is being called and invalidates when the viewDidDisappear method is being called. But after a certain amount of switching between views the timer continues firing even after it was invalidated. What's the problem Here is my..
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom Handling zooming do something similar only 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...
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller does work with most mail clients now IE previously didn't support it but now it is supported for images up to a certain size though I'm not sure exactly what the size is . The problem is that mail clients like Gmail would strip out your image..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation there a documented way to set the iPhone orientation I have an app where I would like to support device rotation in certain views but other don't particularly make sense in Landscape mode so as I swapping the views out I would like to force the..
iPhone: Detecting user inactivity/idle time since last screen touch http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch time since last screen touch Has anybody implemented a feature where if the user has not touched the screen for a certain time period you take a certain action I'm trying to figure out the best way to do that. There's this somewhat related method.. Has anybody implemented a feature where if the user has not touched the screen for a certain time period you take a certain action I'm trying to figure out the best way to do that. There's this somewhat related method in UIApplication UIApplication..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions no longer recognized. A simple search for questions tagged iphone and landscape reveals these issues which occur under certain scenarios Landscape only iPhone app with multiple nibs App started in Landscape mode view from first nib is rendered fine.. that should be able to autorotate what the master controller will prevent . The usage of undocumented API's to force a certain interface orientation is not an option either. The solution The best solution I have found so far is a modification of the..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code in my application I use it to disable license key checks and only allow the application to run if it's before a certain date. This lets me distribute a time limited fully functional beta copy with minimal effort on my part. share improve this..
Proper way to exit iPhone application? http://stackoverflow.com/questions/355168/proper-way-to-exit-iphone-application way to exit iPhone application I am programming an iPhone app and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated what's the appropriate method to call to terminate the application..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store App Store I've been looking into iPhone development but I've been having problems coming up with the answer to a certain question. If I create an application on my Mac is there any way I can get it to run on an iPhone without going through the..
Automated testing for iPhone [closed] http://stackoverflow.com/questions/402389/automated-testing-for-iphone
Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init] http://stackoverflow.com/questions/5423211/difference-between-nsmutablearray-array-vs-nsmutablearray-alloc-init NSMutableArray alloc init Because in the beginning I was declaring all my arrays with alloc and if in the end of a certain function I returned the array created with alloc I had to autorelease that array because of memory leak problems. Now using.. share improve this question Because in the beginning i was declaring all my arrays with alloc and if in the end of a certain function i returned the array created with alloc i had to autorelease that array because memory leak problems. Now using..
Can I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees? http://stackoverflow.com/questions/542739/can-i-use-cgaffinetransformmakerotation-to-rotate-a-view-more-than-360-degrees code will spin a view once per second for a specified number of seconds. You can easily modify it to spin a view by a certain number of rotations or by some number of radians. void runSpinAnimationWithDuration CGFloat duration CABasicAnimation rotationAnimation..
How do I manage building a Lite vs Paid version of an iPhone app? http://stackoverflow.com/questions/549462/how-do-i-manage-building-a-lite-vs-paid-version-of-an-iphone-app then specify on a resouce by resource basis which items are included in your target. This can include only compiling certain code into your paid version. You can get quick visual feedback on what is and is not included in the current target by right..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour instead of the default run mode but unfortunately this breaks some aspects of scroll view behaviour on certain phones I'm testing on the 3GS and simulator seem to work fine while the iPhone4 and the 3G don't . Does anyone know how..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller etc cannot be changed by the user I need the e mail the user sends to go to a particular account and the body to meet certain criteria so if the user drastically edits the format everything could go horribly wrong..At the moment the body is filled..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain and Xcode will write glue code to allow your ARC enabled apps to run on iOS 4 no modifications required. However certain things wont work and most noticeably many libraries you might wish to use will sometimes throw up innumerable errors and..
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 you're always using the same date format s you could also add category methods that return singleton instances with certain configurations something like sharedRFC3339DateFormatter . Be aware however that NSDateFormatter is not thread safe and..
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