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2014/10/15 ¤U¤È 10:10:08
iphone Programming Glossary: i'llHow to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller previous code up though because I'm still not convinced that there's not a way to make use of it. I'll keep at it myself. The following code DOES work. Mustafa suggests base64 encoding the images and says..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone conclusion that there is no support for SOAP in the iPhone SDK. So if I do want to build that app I'll need to come up with a approach to access SOAP services from the iPhone. What would be the best approach..
Starting iPhone app development in Linux? http://stackoverflow.com/questions/276907/starting-iphone-app-development-in-linux machine on Linux. CPU is a Core2Quad Q8800 and it is perfectly fast. I found a prebuilt VM online I'll leave it to you to find Xcode iPhone development works perfectly as does debugging via USB to the phone..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions use a private BOOL on your view controller to manage that e.g. BOOL isModalMailControllerActive_ . I'll add a piece of sample code soon It's just to late now. Please let me know if any unresolved issues remain..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0 version of the answer here for anyone that needs it p It's harder than it really should..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz He tried putting an annotation and my code works now... But that's not what I need so it seems I'll have to analyze text and search for URLs. But that's another story... Update 2 So I finally came up..
libXcodeDebuggerSupport.dylib is missing in iOS 4.2.1 development SDK http://stackoverflow.com/questions/4284277/libxcodedebuggersupport-dylib-is-missing-in-ios-4-2-1-development-sdk the appropriate files. Maybe this is simply a matter of linking the 4.2.1 dir in the same fashion I'll try that and see if Xcode freaks out. If someone who has this file could provide a md5 sum that would..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display of 1.0 so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers they mention for sharing data are part of dependency injection. That's the gist of my response. I'll include an example of using the dependency injection pattern with a controller below in case it's helpful...
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes hints in their documentation . It's actually very easy but a long way to go before it's obvious. I'll illustrate the explanation with an example. The initial situation is this Data Model Version 1 It's.. newObject forEntityMapping mapping return YES Final step the migration itself I'll skip the part for setting up the second mapping model which is almost identical just a timeIntervalSince1970.. used to convert the NSDate to a double. Finally we need to trigger the migration. I'll skip the boilerplate code for now. If you need it I'll post here. It can be found at Customizing the..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers @property nonatomic weak id ChildViewControllerDelegate delegate A simple IBAction method that I'll associate with a close button in the UI. We'll call the delegate's childViewController didChooseValue..
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 alloc initWithLocaleIdentifier @ en_US_POSIX me setLocale en_US_POSIX return me @end Bounty I'll award the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline.. the code somehow not getting used. Bounty update Since I haven't gotten any applicable replies yet I'll extend the bounty deadline for another day or two. Bounty ends in 21 hours it'll go to whoever makes..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample misunderstanding of how iCloud is supposed to work. When I create a new instance of an UIDocument I'll have to overwrite two methods. First BOOL loadFromContents id contents ofType NSString typeName error..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 sourcePixelBufferAttributesDictionary Once I have that I configure the FBO that I'll be rendering my video frames to using the following code if GPUImageOpenGLESContext supportsFastTextureUpload..
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 Back again with a new answer. I'm still leaving my previous code up though because I'm still not convinced that there's not a way to make use of it. I'll keep at it myself. The following code DOES work. Mustafa suggests base64 encoding the images and says that they only work Apple to Apple but that's not actually..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone for accessing SOAP services a bit of Googling lead to the conclusion that there is no support for SOAP in the iPhone SDK. So if I do want to build that app I'll need to come up with a approach to access SOAP services from the iPhone. What would be the best approach Any best practices Did someone already write a library..
Starting iPhone app development in Linux? http://stackoverflow.com/questions/276907/starting-iphone-app-development-in-linux response I'm running OS X and Xcode on a virtualised VMware machine on Linux. CPU is a Core2Quad Q8800 and it is perfectly fast. I found a prebuilt VM online I'll leave it to you to find Xcode iPhone development works perfectly as does debugging via USB to the phone itself. It actually surprised me a lot but I've had no issues..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions you call dismissModalViewController animated . You can use a private BOOL on your view controller to manage that e.g. BOOL isModalMailControllerActive_ . I'll add a piece of sample code soon It's just to late now. Please let me know if any unresolved issues remain or anything is unclear about this post. Feel free to edit..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell now has a backgroundColor property that makes this really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0 version of the answer here for anyone that needs it p It's harder than it really should be. Here's how I did this when I had to do it You need to..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz PDF had just inserted an URL as text and not a real annotation. He tried putting an annotation and my code works now... But that's not what I need so it seems I'll have to analyze text and search for URLs. But that's another story... Update 2 So I finally came up with some working code. I'm posting it here so hopefully it'll..
libXcodeDebuggerSupport.dylib is missing in iOS 4.2.1 development SDK http://stackoverflow.com/questions/4284277/libxcodedebuggersupport-dylib-is-missing-in-ios-4-2-1-development-sdk SDKs iPhoneOS4.2.sdk And the directory in question has the appropriate files. Maybe this is simply a matter of linking the 4.2.1 dir in the same fashion I'll try that and see if Xcode freaks out. If someone who has this file could provide a md5 sum that would be splendid. This is what it says for me md5 Developer Platforms..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display screen. UIGraphicsBeginImageContext uses a fixed scale factor of 1.0 so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everything around it...
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers and modularity are high priorities. All of the best practices they mention for sharing data are part of dependency injection. That's the gist of my response. I'll include an example of using the dependency injection pattern with a controller below in case it's helpful. Example of Using Dependency Injection with a View Controller..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes share improve this question I've figured out what Apple hints in their documentation . It's actually very easy but a long way to go before it's obvious. I'll illustrate the explanation with an example. The initial situation is this Data Model Version 1 It's the model you get when you create a project with the navigation.. of old and new manager associateSourceInstance sInstance withDestinationInstance newObject forEntityMapping mapping return YES Final step the migration itself I'll skip the part for setting up the second mapping model which is almost identical just a timeIntervalSince1970 used to convert the NSDate to a double. Finally we.. second mapping model which is almost identical just a timeIntervalSince1970 used to convert the NSDate to a double. Finally we need to trigger the migration. I'll skip the boilerplate code for now. If you need it I'll post here. It can be found at Customizing the Migration Process it's just a merge of the first two code examples...
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers Tip If you're not using ARC use `assign` instead of `weak` @property nonatomic weak id ChildViewControllerDelegate delegate A simple IBAction method that I'll associate with a close button in the UI. We'll call the delegate's childViewController didChooseValue method inside this handler. IBAction handleCloseButton id..
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 me super init if en_US_POSIX nil en_US_POSIX NSLocale alloc initWithLocaleIdentifier @ en_US_POSIX me setLocale en_US_POSIX return me @end Bounty I'll award the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline extended. Update Re OMZ's proposal here is what I'm finding.. placed in the code are hit so it's not simply a case of the code somehow not getting used. Bounty update Since I haven't gotten any applicable replies yet I'll extend the bounty deadline for another day or two. Bounty ends in 21 hours it'll go to whoever makes the most effort to help even if the answer isn't really useful..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample Sandbox vs. Cloud Perhaps my main problem is a fundamental misunderstanding of how iCloud is supposed to work. When I create a new instance of an UIDocument I'll have to overwrite two methods. First BOOL loadFromContents id contents ofType NSString typeName error NSError outError to get files from the cloud and then id contentsForType..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 assetWriterVideoInput sourcePixelBufferAttributes sourcePixelBufferAttributesDictionary Once I have that I configure the FBO that I'll be rendering my video frames to using the following code if GPUImageOpenGLESContext supportsFastTextureUpload CVReturn err CVOpenGLESTextureCacheCreate kCFAllocatorDefault..
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 I'm still leaving my previous code up though because I'm still not convinced that there's not a way to make use of it. I'll keep at it myself. The following code DOES work. Mustafa suggests base64 encoding the images and says that they only work..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone Googling lead to the conclusion that there is no support for SOAP in the iPhone SDK. So if I do want to build that app I'll need to come up with a approach to access SOAP services from the iPhone. What would be the best approach Any best practices..
Starting iPhone app development in Linux? http://stackoverflow.com/questions/276907/starting-iphone-app-development-in-linux a virtualised VMware machine on Linux. CPU is a Core2Quad Q8800 and it is perfectly fast. I found a prebuilt VM online I'll leave it to you to find Xcode iPhone development works perfectly as does debugging via USB to the phone itself. It actually..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions animated . You can use a private BOOL on your view controller to manage that e.g. BOOL isModalMailControllerActive_ . I'll add a piece of sample code soon It's just to late now. Please let me know if any unresolved issues remain or anything is..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell that makes this really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0 version of the answer here for anyone that needs it p It's harder than it really should be. Here's how I did..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz not a real annotation. He tried putting an annotation and my code works now... But that's not what I need so it seems I'll have to analyze text and search for URLs. But that's another story... Update 2 So I finally came up with some working code...
libXcodeDebuggerSupport.dylib is missing in iOS 4.2.1 development SDK http://stackoverflow.com/questions/4284277/libxcodedebuggersupport-dylib-is-missing-in-ios-4-2-1-development-sdk in question has the appropriate files. Maybe this is simply a matter of linking the 4.2.1 dir in the same fashion I'll try that and see if Xcode freaks out. If someone who has this file could provide a md5 sum that would be splendid. This..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display a fixed scale factor of 1.0 so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers of the best practices they mention for sharing data are part of dependency injection. That's the gist of my response. I'll include an example of using the dependency injection pattern with a controller below in case it's helpful. Example of Using..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes out what Apple hints in their documentation . It's actually very easy but a long way to go before it's obvious. I'll illustrate the explanation with an example. The initial situation is this Data Model Version 1 It's the model you get when.. sInstance withDestinationInstance newObject forEntityMapping mapping return YES Final step the migration itself I'll skip the part for setting up the second mapping model which is almost identical just a timeIntervalSince1970 used to convert.. just a timeIntervalSince1970 used to convert the NSDate to a double. Finally we need to trigger the migration. I'll skip the boilerplate code for now. If you need it I'll post here. It can be found at Customizing the Migration Process it's..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers instead of `weak` @property nonatomic weak id ChildViewControllerDelegate delegate A simple IBAction method that I'll associate with a close button in the UI. We'll call the delegate's childViewController didChooseValue method inside this..
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 nil en_US_POSIX NSLocale alloc initWithLocaleIdentifier @ en_US_POSIX me setLocale en_US_POSIX return me @end Bounty I'll award the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline extended. Update.. simply a case of the code somehow not getting used. Bounty update Since I haven't gotten any applicable replies yet I'll extend the bounty deadline for another day or two. Bounty ends in 21 hours it'll go to whoever makes the most effort to..
What exactly does delegate do in xcode ios project? http://stackoverflow.com/questions/7215698/what-exactly-does-delegate-do-in-xcode-ios-project create a contract. Hey if you're going to provide data for my control these are the questions I'm going to ask you. I'll take it from there... In this case I'm going to ask you the number of tasks and I'm going to have you give me a task given..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample is a fundamental misunderstanding of how iCloud is supposed to work. When I create a new instance of an UIDocument I'll have to overwrite two methods. First BOOL loadFromContents id contents ofType NSString typeName error NSError outError to..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 sourcePixelBufferAttributes sourcePixelBufferAttributesDictionary Once I have that I configure the FBO that I'll be rendering my video frames to using the following code if GPUImageOpenGLESContext supportsFastTextureUpload CVReturn err..
How do I start playing audio when in silent mode & locked in iOS 6? http://stackoverflow.com/questions/9725192/how-do-i-start-playing-audio-when-in-silent-mode-locked-in-ios-6 be closer but if implemented would not behave how these apps behave. I used a apple developer ticket to get more info I'll post any new findings along those means as well. Thank You Any insight is appreciated and for your participation thus far...
Creating an SQLite3 database file through Objective-C http://stackoverflow.com/questions/10540728/creating-an-sqlite3-database-file-through-objective-c those . Note that BWDB is in a lynda.com tutorial this one and if you don't find it on the web...leave a comment and i'll upload it somewhere. edit the only place you can write stuff in your app is in your documents directory...so..it plain terms...if..
Center a large UIView using NSLayoutConstraint http://stackoverflow.com/questions/19243837/center-a-large-uiview-using-nslayoutconstraint I have no idea on it. I welcome your ideas. iphone ios objective c uiview autolayout share improve this question i'll just address the dyanmicView being part of the parentView issue then let you go from there first if you are creating the.. then you want to add the constraints using the visual format language .. I also use mapObjectsUsingBlock here i'll explain each constraint in english NSArray buttonConstraints @ @ V dynamicView 200 @ dynamicView 260 mapObjectsUsingBlock..
http://stackoverflow.com/questions/2157964/receive-message-a-signed-resource-has-been-added-modified-or-deleted-when-tr
UIScrollView Infinite Scrolling http://stackoverflow.com/questions/3430267/uiscrollview-infinite-scrolling and when the contentOffset gets near the end I make the scrollview contentsize bigger and add more data into the space i'll have to deal with the crippling effect this will have later My problem is scrolling back the plan is to see when I get near..
problem with “this class is not key value coding-compliant” http://stackoverflow.com/questions/3760803/problem-with-this-class-is-not-key-value-coding-compliant iphone uitableview uitableviewcell key share improve this question There are a couple of options to resolve this i'll let you decide which is the most appropriate. The reason it's failing is because the owner is being passed as nil. You're..
to run app continously in the background http://stackoverflow.com/questions/3947785/to-run-app-continously-in-the-background app is constantly receiving the location updates. I read somewhere in the documentation i can't seem to find it now i'll post an update when i do that a method can be called only on an active run loop when the app is in the background. The app..
Why are my iAds not showing up in my approved app [closed] http://stackoverflow.com/questions/3993928/why-are-my-iads-not-showing-up-in-my-approved-app closed I realize that this isin't a programming question but I know that a lot off people here are iOS developers so i'll just ask anyways. I had an app approved about 8hours ago during development my iAds were working fine and I was receiving..
Actual frequency of device motion updates lower than expected, but scales up with setting http://stackoverflow.com/questions/5034411/actual-frequency-of-device-motion-updates-lower-than-expected-but-scales-up-wit seen some reports of people seeing 50hz update frequency when requesting 60hz which could be related. The next thing i'll try is setting up a dedicated queue for the processing instead of using the current queue however I did want to see if this..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app Setting app from my own app Basically i need to do the same thing if the user turn off the location for my app then i'll show him a message saying something that will open the Setting app I really appreciate your answers i mean it. iphone settings..
UIScollview with paging enabled (like a simple image gallery) http://stackoverflow.com/questions/6665496/uiscollview-with-paging-enabled-like-a-simple-image-gallery be a simple image display with no thumbanails only the white dots indicating the current image displayed. I think i'll need a UIScrollView and page control but don't know how to do it. Anyone Thank You iphone xcode uiscrollview gallery uipagecontrol..
Xcode 4.2. gets stuck “Attaching to myapp” when running http://stackoverflow.com/questions/8021426/xcode-4-2-gets-stuck-attaching-to-myapp-when-running attaching part. i don't understand the reason of this so any suggestions to fix it and possibly understand the problem i'll really appreciate it. iphone xcode ios simulator ios5 hang share improve this question New projects were failing to..
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