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2014/10/15 ¤U¤È 10:04:00
iphone Programming Glossary: asHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an unnecessary overhead on my application. BOOL connectedToInternet NSString URLString NSString.. touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere.. ^ Reachability reach Update the UI on the main thread dispatch_async dispatch_get_main_queue ^ NSLog @ Yayyy we have the interwebs Internet is not reachable internetReachableFoo.unreachableBlock..
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 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.. what needs to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only.. to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition.. to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already.. we keep in mind to make applications universal for both the older displays and the new widescreen aspect ratio iphone ios screen resolution iphone 5 share improve this question Download and install..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports.. iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted.. Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application in an exception being thrown. Looking at the TTF file in Finder confirmed that the font name was Harrowprint. EDIT there have been a number of replies so far which tell me to read the documentation.. documentation on X or Y. I've experimented extensively with all of these and got nowhere. In one case X turned out to be relevant only on OS X not on iPhone. Consequently I am setting a bounty for this.. highest number of votes. Interesting. No one actually provided an answer that solved the question as asked the solution that involves coding your own UILabel subclass doesn't support word wrap which is..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define.. delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class.. share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now uniqueIdentifier Deprecated What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No.. dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the documentation is... Special Considerations.. your app you can call the CFUUIDCreate function to create a UUID and write it to the defaults database using the NSUserDefaults class. However this value won't be the same if a user uninstalls and re installs..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size resolution I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it has more pixels in height things like GCRectMake that use coordinates and just doubled the pixels..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices moment. Be sure to read the API changelog on Apple Developer website if you can access to it. Edit As iOS 6 is now out check the new AutoLayout capabilities. That said if you really need to detect the iPhone.. now on you can use it in standard if else statements if IS_IPHONE_5 else Edit Better detection As stated by some people this does only detect a widescreen not an actual iPhone 5. Next versions of the..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received simulator it will also debug and run as long as I step through the instructions one at a time. As soon as I let it run again I will hit the EXC_BAD_ACCESS signal. In this particular case it happened..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview would be really appreciated iphone ios cocoa touch core animation share improve this question As Ben said you'll need to work with the UIView's layer using a CATransform3D to perform the layer's rotation...
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application I could extend it to do so. iphone ios cocoa touch fonts share improve this question Edit As of iOS 3.2 this functionality is built in. If you need to support pre 3.2 you can still use this solution...
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone within the cell tag NSString content element content xpathParser release data release Known issues As hpple is a wrapper over XPathQuery which is another wrapper this option probably is not the most efficient...
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content that will hold all of the lines in the text view so that I can adjust the parent view accordingly As another example look at the Notes field for events in the Calendar application note how the cell and..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request iOS development and I'd like to have one of my first applications to perform a HTTP POST request. As far as I can understand I should manage the connection which handles the request via a NSURLConnection.. Remember to kick off the synchronous request in a separate thread to avoid blocking the UI. Asynchronously void start Don't forget to set your NSURLConnection's delegate to handle the connection..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app it. iphone settings application settings appsettings share improve this question You can not. As you said this has been covered many times and that pop up asking you to turn on location services is..
iPhone/iOS JSON parsing tutorial [closed] http://stackoverflow.com/questions/5813077/iphone-ios-json-parsing-tutorial iOS JSON parsing tutorial closed As a learning experience I want to make an iphone application that calls a webserver webservice retrieves..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk newImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return newImage As far as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application not what notifications should be used for. UIApplication beginBackgroundTaskWithExpirationHandler As far as I understand this should be used to finish some work in the background also limited in time when..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining releasing according to the rules when one piece of code.. in a class for instance then I need to make sure the object's reference count knows about me. As described above an object's reference count is incremented by calling retain . By convention it is also..
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 library ios qa qa1480 _index.html Apparently Apple has declared this to be BAD Broken As Designed and they aren't going to fix it. The circumvention is apparently to set the locale of the date.. 214 307 date3 null 2011 07 15 16 35 24.404 DemoApp 214 307 date4 2001 05 05 05 34 56 PM 0000 As you can see the setLocale simply didn't. The locale of the formatter is still en_GB. It appears that..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now best bet is with en0 . The MAC is always present even if the interface has no IP is down. Edit 2 As was pointed out by others the preferred solution since iOS 6 is UIDevice identifierForVendor . In most..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone bar charts but it wouldn't be hard to add to the CPBarPlot class that implements bar charts. As for annotations there is a CPAnotation class which you could subclass to add your annotations if there..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app a web interface. iphone objective c cocoa touch paypal share improve this question Re Update As answered below this code may still be useful for the purchase of physical goods Update Although this..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring i read in apple forum that The OS does not keep network statistics on a process by process basis. As such there's no exact solution to this problem. You can however get network statistics for each network..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk day be down and relying on a 3rd party seems bad and while I could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an unnecessary overhead on my application. BOOL connectedToInternet NSString URLString NSString stringWithContentsOfURL NSURL URLWithString @ http www.google.com.. better way to accomplish this iphone objective c ios cocoa touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m.. @ www.google.com Internet is reachable internetReachableFoo.reachableBlock ^ Reachability reach Update the UI on the main thread dispatch_async dispatch_get_main_queue ^ NSLog @ Yayyy we have the interwebs Internet is not reachable internetReachableFoo.unreachableBlock ^ Reachability reach Update..
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 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 the other.. size of the UIScrollView to the frame size of the UIView . Then what needs to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView.. of the UIView . Then what needs to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView that I'm working with is brought up by..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already existing applications to the new screen size What.. to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already existing applications to the new screen size What should.. existing applications to the new screen size What should we keep in mind to make applications universal for both the older displays and the new widescreen aspect ratio iphone ios screen resolution iphone 5 share improve this question Download and install latest version of Xcode . Set a 4 inch launch image for your..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that.. iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file that was generated.. iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file that was generated as part of the build...
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application font UIFont fontWithName @ Harrowprint size 20 which resulted in an exception being thrown. Looking at the TTF file in Finder confirmed that the font name was Harrowprint. EDIT there have been a number of replies so far which tell me to read the documentation on X or Y. I've experimented extensively with all of these.. been a number of replies so far which tell me to read the documentation on X or Y. I've experimented extensively with all of these and got nowhere. In one case X turned out to be relevant only on OS X not on iPhone. Consequently I am setting a bounty for this question and I will award the bounty to the first person who.. appears that the bounty auto awards to the answer with the highest number of votes. Interesting. No one actually provided an answer that solved the question as asked the solution that involves coding your own UILabel subclass doesn't support word wrap which is an essential feature for me though I guess I could extend it..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c can use them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements the delegate methods you're interested.. them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements the delegate methods you're interested in... how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements the delegate methods you're interested in. Though..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now uniqueIdentifier Deprecated What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming... or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the documentation is... Special Considerations Do not use the uniqueIdentifier property. To create.. property. To create a unique identifier specific to your app you can call the CFUUIDCreate function to create a UUID and write it to the defaults database using the NSUserDefaults class. However this value won't be the same if a user uninstalls and re installs the app. iphone ios ipad share improve this question..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size Duplicate How to develop or migrate apps for iPhone 5 screen resolution I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it has more pixels in height things like GCRectMake that use coordinates and just doubled the pixels with the retina non retina problem won't work seamlessly between..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices new features about this but this is still under NDA at the moment. Be sure to read the API changelog on Apple Developer website if you can access to it. Edit As iOS 6 is now out check the new AutoLayout capabilities. That said if you really need to detect the iPhone 5 you can simply rely on the screen size . UIScreen mainScreen.. floating points as pointed in the comments by H2CO3. So from now on you can use it in standard if else statements if IS_IPHONE_5 else Edit Better detection As stated by some people this does only detect a widescreen not an actual iPhone 5. Next versions of the iPod touch will maybe also have such a screen so we may use..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received . The program runs without any issue on the iPhone simulator it will also debug and run as long as I step through the instructions one at a time. As soon as I let it run again I will hit the EXC_BAD_ACCESS signal. In this particular case it happened to be an error in the accelerometer code. It would not execute..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview on an iPhone. Any help pointers or example code snippets would be really appreciated iphone ios cocoa touch core animation share improve this question As Ben said you'll need to work with the UIView's layer using a CATransform3D to perform the layer's rotation. The trick to get perspective working as described here..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application word wrap which is an essential feature for me though I guess I could extend it to do so. iphone ios cocoa touch fonts share improve this question Edit As of iOS 3.2 this functionality is built in. If you need to support pre 3.2 you can still use this solution. I created a simple module that extends UILabel and handles..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone element elements objectAtIndex 0 Get the text within the cell tag NSString content element content xpathParser release data release Known issues As hpple is a wrapper over XPathQuery which is another wrapper this option probably is not the most efficient. If performance is an issue in your project I recommend..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content world Is there a good way in Cocoa Touch to get the rect that will hold all of the lines in the text view so that I can adjust the parent view accordingly As another example look at the Notes field for events in the Calendar application note how the cell and the UITextView it contains expands to hold all lines of text..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request how to perform an HTTP POST request I'm approaching iOS development and I'd like to have one of my first applications to perform a HTTP POST request. As far as I can understand I should manage the connection which handles the request via a NSURLConnection object which forces me to have a delegate object which in.. This returns a NSData variable that you can process. IMPORTANT Remember to kick off the synchronous request in a separate thread to avoid blocking the UI. Asynchronously void start Don't forget to set your NSURLConnection's delegate to handle the connection as follows void connection NSURLConnection connection didReceiveResponse..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app the Setting app I really appreciate your answers i mean it. iphone settings application settings appsettings share improve this question You can not. As you said this has been covered many times and that pop up asking you to turn on location services is supplied by Apple and not by the App itself. That is why it..
iPhone/iOS JSON parsing tutorial [closed] http://stackoverflow.com/questions/5813077/iphone-ios-json-parsing-tutorial iOS JSON parsing tutorial closed As a learning experience I want to make an iphone application that calls a webserver webservice retrieves a JSON response and uses that response to populate the rows..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk drawInRect CGRectMake 0 0 newSize.width newSize.height UIImage newImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return newImage As far as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store these..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application approach also doesn't seem to be a clean approach as this is not what notifications should be used for. UIApplication beginBackgroundTaskWithExpirationHandler As far as I understand this should be used to finish some work in the background also limited in time when an app is moved to the background rather than implementing..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining releasing according to the rules when one piece of code retains and then releases the object any other piece of code.. to an object for some length of time if it's a member variable in a class for instance then I need to make sure the object's reference count knows about me. As described above an object's reference count is incremented by calling retain . By convention it is also incremented set to 1 really when the object is created with..
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 doing something wrong or is this a bug And see https developer.apple.com library ios qa qa1480 _index.html Apparently Apple has declared this to be BAD Broken As Designed and they aren't going to fix it. The circumvention is apparently to set the locale of the date formatter for a specific region generally the US but this.. 24.378 DemoApp 214 307 date2 null 2011 07 15 16 35 24.390 DemoApp 214 307 date3 null 2011 07 15 16 35 24.404 DemoApp 214 307 date4 2001 05 05 05 34 56 PM 0000 As you can see the setLocale simply didn't. The locale of the formatter is still en_GB. It appears that there is something strange about an init method in a category...
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now query the MAC of the same interface of course. I guess the best bet is with en0 . The MAC is always present even if the interface has no IP is down. Edit 2 As was pointed out by others the preferred solution since iOS 6 is UIDevice identifierForVendor . In most cases you should be able use it as a drop in replacement..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone and fills and backgrounds for graphs. I'm not sure about stacked bar charts but it wouldn't be hard to add to the CPBarPlot class that implements bar charts. As for annotations there is a CPAnotation class which you could subclass to add your annotations if there isn't the exact functionality you need. Project on google..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app directly within apps using paypal. You have to re direct to a web interface. iphone objective c cocoa touch paypal share improve this question Re Update As answered below this code may still be useful for the purchase of physical goods Update Although this code works App Store terms won't allow you to use this code..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring different functions voicemail general networking interface. i read in apple forum that The OS does not keep network statistics on a process by process basis. As such there's no exact solution to this problem. You can however get network statistics for each network interface. In general en0 is your Wi Fi interface and pdp_ip0..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk bad and while I could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an unnecessary overhead on my application. BOOL connectedToInternet NSString URLString NSString stringWithContentsOfURL.. c ios cocoa touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's.. is reachable internetReachableFoo.reachableBlock ^ Reachability reach Update the UI on the main thread dispatch_async dispatch_get_main_queue ^ NSLog @ Yayyy we have the interwebs Internet is not reachable internetReachableFoo.unreachableBlock..
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 I need both a UIView and a UIScrollView.. of the UIView . Then what needs to be implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what.. implemented in order to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already existing.. to develop or migrate apps for iPhone 5 screen resolution The new iPhone 5 display has a new aspect ratio and a new resolution 640 x 1136 pixels . What is required to develop new or transition already existing applications.. size What should we keep in mind to make applications universal for both the older displays and the new widescreen aspect ratio iphone ios screen resolution iphone 5 share improve this question Download and install latest version of..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect... iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store.. iPhone App Crash Reports I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the dSYM file that..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application size 20 which resulted in an exception being thrown. Looking at the TTF file in Finder confirmed that the font name was Harrowprint. EDIT there have been a number of replies so far which tell me to read the documentation on X or Y. I've experimented.. tell me to read the documentation on X or Y. I've experimented extensively with all of these and got nowhere. In one case X turned out to be relevant only on OS X not on iPhone. Consequently I am setting a bounty for this question and I will.. the answer with the highest number of votes. Interesting. No one actually provided an answer that solved the question as asked the solution that involves coding your own UILabel subclass doesn't support word wrap which is an essential feature..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements.. objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements the.. c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements the delegate..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now uniqueIdentifier Deprecated What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or.. apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem going forward The suggestion from the documentation is... Special Considerations Do not.. specific to your app you can call the CFUUIDCreate function to create a UUID and write it to the defaults database using the NSUserDefaults class. However this value won't be the same if a user uninstalls and re installs the app. iphone..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size apps for iPhone 5 screen resolution I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it has more pixels in height things like GCRectMake that use coordinates and just doubled the pixels with the retina non..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices under NDA at the moment. Be sure to read the API changelog on Apple Developer website if you can access to it. Edit As iOS 6 is now out check the new AutoLayout capabilities. That said if you really need to detect the iPhone 5 you can simply.. by H2CO3. So from now on you can use it in standard if else statements if IS_IPHONE_5 else Edit Better detection As stated by some people this does only detect a widescreen not an actual iPhone 5. Next versions of the iPod touch will maybe..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received any issue on the iPhone simulator it will also debug and run as long as I step through the instructions one at a time. As soon as I let it run again I will hit the EXC_BAD_ACCESS signal. In this particular case it happened to be an error in the..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview code snippets would be really appreciated iphone ios cocoa touch core animation share improve this question As Ben said you'll need to work with the UIView's layer using a CATransform3D to perform the layer's rotation. The trick to..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application for me though I guess I could extend it to do so. iphone ios cocoa touch fonts share improve this question Edit As of iOS 3.2 this functionality is built in. If you need to support pre 3.2 you can still use this solution. I created a simple..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone 0 Get the text within the cell tag NSString content element content xpathParser release data release Known issues As hpple is a wrapper over XPathQuery which is another wrapper this option probably is not the most efficient. If performance..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content to get the rect that will hold all of the lines in the text view so that I can adjust the parent view accordingly As another example look at the Notes field for events in the Calendar application note how the cell and the UITextView it contains..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request I'm approaching iOS development and I'd like to have one of my first applications to perform a HTTP POST request. As far as I can understand I should manage the connection which handles the request via a NSURLConnection object which forces.. you can process. IMPORTANT Remember to kick off the synchronous request in a separate thread to avoid blocking the UI. Asynchronously void start Don't forget to set your NSURLConnection's delegate to handle the connection as follows void connection..
iPhone/iOS JSON parsing tutorial [closed] http://stackoverflow.com/questions/5813077/iphone-ios-json-parsing-tutorial iOS JSON parsing tutorial closed As a learning experience I want to make an iphone application that calls a webserver webservice retrieves a JSON response and..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk newSize.height UIImage newImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return newImage As far as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application approach as this is not what notifications should be used for. UIApplication beginBackgroundTaskWithExpirationHandler As far as I understand this should be used to finish some work in the background also limited in time when an app is moved..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining releasing according to the rules when one piece of code retains and then releases.. it's a member variable in a class for instance then I need to make sure the object's reference count knows about me. As described above an object's reference count is incremented by calling retain . By convention it is also incremented set..
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 see https developer.apple.com library ios qa qa1480 _index.html Apparently Apple has declared this to be BAD Broken As Designed and they aren't going to fix it. The circumvention is apparently to set the locale of the date formatter for a.. 15 16 35 24.390 DemoApp 214 307 date3 null 2011 07 15 16 35 24.404 DemoApp 214 307 date4 2001 05 05 05 34 56 PM 0000 As you can see the setLocale simply didn't. The locale of the formatter is still en_GB. It appears that there is something..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now course. I guess the best bet is with en0 . The MAC is always present even if the interface has no IP is down. Edit 2 As was pointed out by others the preferred solution since iOS 6 is UIDevice identifierForVendor . In most cases you should..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone not sure about stacked bar charts but it wouldn't be hard to add to the CPBarPlot class that implements bar charts. As for annotations there is a CPAnotation class which you could subclass to add your annotations if there isn't the exact functionality..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app have to re direct to a web interface. iphone objective c cocoa touch paypal share improve this question Re Update As answered below this code may still be useful for the purchase of physical goods Update Although this code works App Store..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring interface. i read in apple forum that The OS does not keep network statistics on a process by process basis. As such there's no exact solution to this problem. You can however get network statistics for each network interface. In general..
How to post more parameters with image upload code in iOS? http://stackoverflow.com/questions/10618056/how-to-post-more-parameters-with-image-upload-code-in-ios permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS.. permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS..
cocos2d 2.0-rc2: end the director and restart http://stackoverflow.com/questions/11037134/cocos2d-2-0-rc2-end-the-director-and-restart Display Not supported director_ runWithScene HelloWorldLayer scene RUN THE SCENE else THERE IS A SCENE START SINCE IT WAS STOPPED AND REPLACE TO RESTART director_ startAnimation director_ replaceScene HelloWorldLayer scene director_ setDelegate.. sharedApplication delegate I DO NOT PUSH BECAUSE I ALREADY PUSHED TO THIS CONTROLLER SO I ADD THE COCOS2D VIEW AS A SUBVIEW self.view addSubview director_ view Hope this code will help you because I spent a whole day trying to figure..
Is there a way to programatically restore my iphone to factory settings? http://stackoverflow.com/questions/15203001/is-there-a-way-to-programatically-restore-my-iphone-to-factory-settings
Cross-compile Autotools-based Libraries for Official iPhone SDK http://stackoverflow.com/questions/1602182/cross-compile-autotools-based-libraries-for-official-iphone-sdk pkgconfig opt iphone SDKVER lib pkgconfig usr local iphone SDKVER lib pkgconfig export PREFIX opt iphone SDKVER export AS DEVROOT usr bin as export ASCPP DEVROOT usr bin as export AR DEVROOT usr bin ar export RANLIB DEVROOT usr bin ranlib export.. pkgconfig usr local iphone SDKVER lib pkgconfig export PREFIX opt iphone SDKVER export AS DEVROOT usr bin as export ASCPP DEVROOT usr bin as export AR DEVROOT usr bin ar export RANLIB DEVROOT usr bin ranlib export CPPFLAGS std c99 arch armv6.. ISO C89... unsupported Applying APR hints file rules for arm apple darwin9 adding DDARWIN to CPPFLAGS adding DSIGPROCMASK_SETS_THREAD_MASK to CPPFLAGS setting apr_posixsem_is_global to yes setting ac_cv_func_kqueue to no setting ac_cv_func_poll..
SFHFKeychainUtils. iOS keychain. ARC compatible http://stackoverflow.com/questions/7663443/sfhfkeychainutils-ios-keychain-arc-compatible permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS.. permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS..
Cross-compiling ZeroMQ to ARM for use in a MonoTouch iPhone app configure settings http://stackoverflow.com/questions/8318928/cross-compiling-zeromq-to-arm-for-use-in-a-monotouch-iphone-app-configure-settin iPhoneOS.platform Developer SDKs iPhoneOS5.0.sdk AR Developer Platforms iPhoneOS.platform Developer usr bin ar AS Developer Platforms iPhoneOS.platform Developer usr bin as LIBTOOL Developer Platforms iPhoneOS.platform Developer usr bin.. iPhoneOS.platform Developer SDKs iPhoneOS5.0.sdk AR Developer Platforms iPhoneOS.platform Developer usr bin ar AS Developer Platforms iPhoneOS.platform Developer usr bin as LIBTOOL Developer Platforms iPhoneOS.platform Developer usr bin..
iOS Stream Audio from one iOS Device to Another http://stackoverflow.com/questions/8357514/ios-stream-audio-from-one-ios-device-to-another packets or however it works then iterating through those packets and sending it through gamekit then parsing that data AS it comes in on the receiving device as PLAY it AS it comes in. iphone objective c ios ipad stream share improve this.. those packets and sending it through gamekit then parsing that data AS it comes in on the receiving device as PLAY it AS it comes in. iphone objective c ios ipad stream share improve this question The API you need to look at is Audio Queue..
Subquery in SQLite query not working http://stackoverflow.com/questions/843604/subquery-in-sqlite-query-not-working appear to work with SQLite and I'm not sure how to get around it. SELECT node.name COUNT parent.name sub_tree.depth 1 AS depth FROM line_items AS node line_items AS parent line_items AS sub_parent SELECT node.name COUNT parent.name 1 AS depth.. and I'm not sure how to get around it. SELECT node.name COUNT parent.name sub_tree.depth 1 AS depth FROM line_items AS node line_items AS parent line_items AS sub_parent SELECT node.name COUNT parent.name 1 AS depth FROM line_items AS node.. how to get around it. SELECT node.name COUNT parent.name sub_tree.depth 1 AS depth FROM line_items AS node line_items AS parent line_items AS sub_parent SELECT node.name COUNT parent.name 1 AS depth FROM line_items AS node line_items AS parent..
tabbar item image and selectedImage http://stackoverflow.com/questions/8939399/tabbar-item-image-and-selectedimage
What is code for upload the NSMutableArray data to TableView? [closed] http://stackoverflow.com/questions/9493280/what-is-code-for-upload-the-nsmutablearray-data-to-tableview How it is possible Give the solution it is very urgent for me in iPhone. iphone ios share improve this question AS you told you have collected the data in your Array NSMutableArray . You can show these data in TableView For this you have.. can show these data in TableView For this you have to follow below Steps 1 Create Instance of UItableView in .h class AS UITableView myTableView 2 Adopt The UITableViewDataSource UITableViewDelegate protocol in ViewController Where you going..
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