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2014/10/15 ¤U¤È 10:10:43
iphone Programming Glossary: justHow 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 gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus.. unregistered so you should account for that as well. Note The domain you use doesn't matter. It's just testing for a gateway to any domain. Important Note The Reachability class is one of the most used classes..
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 brought up by a tabbar UITabBar which needs to function as normal. Edit I am adding the scroll bar just for when the keyboard comes up. Even though it's not needed I feel like it provides a better interface.. if the contents you have now does not fit in the iPhone screen. If you are adding the scroll view just to make the textfield scroll up when keyboard comes up then it's not needed. For showing the textfields..
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 Possible 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.. 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 versions as it happened.. versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple will require you to check the screen size every time..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices to detect iPhone 5 widescreen devices I've just upgraded to XCode 4.5 GM and found out that you can now apply the '4 Retina' size to your view controller.. views for different screen sizes. Use the auto resizing capabilities of iOS so your views can adjust and adapt any screen size. That's not very hard read some documentation about that. It will save you..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports spotlight. What now I have tried invoking symbolicatecrash crashreport.crash myApp.app.dSYM and it just outputs the same text that is in the crash report to start with not symbolicated. Am I doing something.. resulted in crash. Ex classname functionName 510 Symbolicating IPA if we use IPA for symbolicating just rename the extention .ipa with .zip extract it then we can get a Payload Folder which contain app. In..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone I want to react when somebody shakes the iPhone. I don't particularly care how they shake it just that it was waved vigorously about for a split second. Does anyone know how to detect this iphone ios..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios the first response violates the latest SDK Agreement as of Nov 5 2009. Our application was just rejected for using it. Here's the response from Apple For security reasons iPhone OS restricts an application..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version ios share improve this question You can..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done back in my learning Java in college days. So when I define a property in Objective..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints double take approach as if you scroll the pages you can see a lower res version of the page for just less than a second before a crisp version appears. Im rendering 2 pages each side of the page in focus.. and here and Here and here positioning focused Searching and here doesn't work with all PDFs some just show weird characters I guess it's an encoding issue but I'm not sure Credit BrainFeeder CALayer and..
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..
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..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert 0xd29930 untrusted server certificate . Is there a way to set it to accept connections anyway just like in a browser you can press accept or a way to bypass it iphone ssl https share improve this..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif message Thanks iphone ios5 sms jailbreak share improve this question Here's what I found ... Just looking at the dumped private APIs it looks like ChatKit.framework could help. Take a look at CKSMSService.h..
Delete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data need to make sure you retain referential integrity or you won't be able to persist your changes. Just removing the store and recreating it is both fast and safe and can certainly be done programatically..
How do I break down an NSTimeInterval into year, months, days, hours, minutes and seconds on iPhone? http://stackoverflow.com/questions/1237778/how-do-i-break-down-an-nstimeinterval-into-year-months-days-hours-minutes-an from can you iphone cocoa time nstimeinterval share improve this question Brief Description Just another approach to complete the answer of JBRWilkinson but adding some code. It can also offers a solution..
How to change the device orientation programmatically in iOS 6 http://stackoverflow.com/questions/12650137/how-to-change-the-device-orientation-programmatically-in-ios-6 The method shouldAutorotateToInterfaceOrientation is NOT supported in iOS 6. Its deprecated. Just in case if you are a newbie who just stared working in cocoa and wondering why is your view controller..
http://stackoverflow.com/questions/2032826/property-synthesize implemention like getMyString or setMyString capitalize the first character of your property Sam Just an advice http www.cocoadevcentral.com d learn_objectivec is a pretty solid resource to learn about..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults unarchiveObjectWithData myEncodedObject return obj Eeee sorry about all the code. Just trying to help. Basically the app will launch and then crash immediatly. I've narrowed it down to the..
Adding view on StatusBar in iPhone http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone You can easily accomplish this by creating your own window above the existing status bar. Just create a simple subclass of UIWindow with the following override of initWithFrame @interface ACStatusBarOverlayWindow..
iphone webkit css animations cause flicker http://stackoverflow.com/questions/2946748/iphone-webkit-css-animations-cause-flicker the purse and accessories up and down. You can see that when you let go they snap into place. Just as that snap happens there's a flicker that occurs. The only webkit animations I'm using are ' webkit..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting No text selection no text input no spell checking no replacements no highlights no no no no no. Just rendering. And quite a bit of work to make it fast on old devices with long texts. UITextInput Protocol..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar the current string then retains the new string and finally sets name to the retained string. Just calling name foo does nothing more than assigning name to foo. This also means that you can only call..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events done. Maybe one can do sth. like this inside the expirationHandler from the long running task. Just try it out. Use your Console to see what happens... Have Fun Update 2 Sometimes simplifying things helps...
Number of days between two NSDates http://stackoverflow.com/questions/4739483/number-of-days-between-two-nsdates
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app your config from the web all you have to do is direct the iPhone to a url containing the profile. Just open the link to your .mobileconfig file in safari. If you don't have web space you can just use dropbox..
Embedding YouTube videos on iOS http://stackoverflow.com/questions/5117617/embedding-youtube-videos-on-ios How can I position this box iphone objective c ios youtube share improve this question Just tested your code it works fine on an iPhone Youtube videos are not supported on the iOS simulator though..
How to distribute ios application wirelessly without managing UDIDs and recompilation http://stackoverflow.com/questions/5546581/how-to-distribute-ios-application-wirelessly-without-managing-udids-and-recompil provision file as it installs itself when you install the app. It is stored in the ipa file. Edit Just to clarify the PHP method you create a php file that creates plist files. Copy a standard plist file..
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 the mobile paypal site. Paypal lets you specify a return URL which you can make anything you want. Just keep checking the UIWebview in the delegate method for this address and then you know the transaction..
Google plus api for posting on wall like facebook http://stackoverflow.com/questions/7857812/google-plus-api-for-posting-on-wall-like-facebook people list from google plus. The steps are same as for getting the access token as in foursquare. Just with some small changes. in viewdidload method. NSString authStr @ https accounts.google.com o oauth2..
Call a parent view controller (through a navigationcontroller) http://stackoverflow.com/questions/8055052/call-a-parent-view-controller-through-a-navigationcontroller a method in it that pushed the current one iphone objective c ios share improve this question Just like Marsson mentioned you need to use delegate... Here is an sample In your child view controller .h..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera share improve this question This is clearly an Apple server issue not an Xcode iOS OSX issue. Just wait patiently and Apple's servers will catch up to the traffic or solve whatever issues they're having..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically and ViewControllerB. ViewControllerA has a blue background ViewControllerB has a black background. Just to see which one is active. So in the implementation of myRootController I do this Implement viewDidLoad..
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 for the notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus internetStatus internetReachable currentReachabilityStatus.. you receive a memory warning and the observer never gets unregistered so you should account for that as well. Note The domain you use doesn't matter. It's just testing for a gateway to any domain. Important Note The Reachability class is one of the most used classes in projects so you might run into naming conflicts with..
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 Note the UIView or UIScrollView that I'm working with is brought up by a tabbar UITabBar which needs to function as normal. Edit I am adding the scroll bar just for when the keyboard comes up. Even though it's not needed I feel like it provides a better interface because then the user can scroll and change textboxes for.. share improve this question You will need a scroll view if the contents you have now does not fit in the iPhone screen. If you are adding the scroll view just to make the textfield scroll up when keyboard comes up then it's not needed. For showing the textfields without being hidden by the keyboard the standard way is..
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 6 apps how to deal with iPhone 5 screen size duplicate Possible 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.. 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 versions as it happened when we got the Retina . And will we have to design.. with the retina non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple will require you to check the screen size every time you have to draw something like many answers say. Does that..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices to detect iPhone 5 widescreen devices I've just upgraded to XCode 4.5 GM and found out that you can now apply the '4 Retina' size to your view controller in the storyboard. Now if I want to create an application.. rebuild all your views to fit a new screen nor use different views for different screen sizes. Use the auto resizing capabilities of iOS so your views can adjust and adapt any screen size. That's not very hard read some documentation about that. It will save you a lot of time. iOS 6 also offers new features about this but..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports files together inside a single directory that is indexed by spotlight. What now I have tried invoking symbolicatecrash crashreport.crash myApp.app.dSYM and it just outputs the same text that is in the crash report to start with not symbolicated. Am I doing something wrong Any help would be greatly appreciated thanks. iphone.. This would show you the exact line method name which resulted in crash. Ex classname functionName 510 Symbolicating IPA if we use IPA for symbolicating just rename the extention .ipa with .zip extract it then we can get a Payload Folder which contain app. In this case we don't need .dSYM file. Note This can only work..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone do I detect when someone shakes an iPhone I want to react when somebody shakes the iPhone. I don't particularly care how they shake it just that it was waved vigorously about for a split second. Does anyone know how to detect this iphone ios accelerometer shake motion detection share improve this..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios marks I want to suggest that the highest ranking solution currently the first response violates the latest SDK Agreement as of Nov 5 2009. Our application was just rejected for using it. Here's the response from Apple For security reasons iPhone OS restricts an application including its preferences and data to a unique location..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version to check if the iOS version of the device is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version ios share improve this question You can get the OS version using UIDevice currentDevice systemVersion..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c How does an underscore in front of a variable in a cocoa objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done back in my learning Java in college days. So when I define a property in Objective C this is what I naturally do. In the header @interface Whatever..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints rendering kicks in once the scale is 1. iBooks takes a similar double take approach as if you scroll the pages you can see a lower res version of the page for just less than a second before a crisp version appears. Im rendering 2 pages each side of the page in focus so that the PDF image is ready to mask the layer before it.. of contents Document title and Keywords Getting Raw Text and here and Here and here positioning focused Searching and here doesn't work with all PDFs some just show weird characters I guess it's an encoding issue but I'm not sure Credit BrainFeeder CALayer and Off Screen Rendering render the next page for fast smooth display..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c and I know how I 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..
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...
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert self signed one Error Domain NSURLErrorDomain Code 1202 UserInfo 0xd29930 untrusted server certificate . Is there a way to set it to accept connections anyway just like in a browser you can press accept or a way to bypass it iphone ssl https share improve this question There is a supported API for accomplishing this Add..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif I can't do it as incMsg is nil so what can i do to get the message Thanks iphone ios5 sms jailbreak share improve this question Here's what I found ... Just looking at the dumped private APIs it looks like ChatKit.framework could help. Take a look at CKSMSService.h or CKMadridService.h for iMessage messages. I did quickly..
Delete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data to delete some entities and not others. However you still need to make sure you retain referential integrity or you won't be able to persist your changes. Just removing the store and recreating it is both fast and safe and can certainly be done programatically at runtime. Update for iOS5 With the introduction of external..
How do I break down an NSTimeInterval into year, months, days, hours, minutes and seconds on iPhone? http://stackoverflow.com/questions/1237778/how-do-i-break-down-an-nstimeinterval-into-year-months-days-hours-minutes-an there was an inaccuracy but I can't figure out where it comes from can you iphone cocoa time nstimeinterval share improve this question Brief Description Just another approach to complete the answer of JBRWilkinson but adding some code. It can also offers a solution to Alex Reynolds's comment. Use NSCalendar method NSDateComponents..
How to change the device orientation programmatically in iOS 6 http://stackoverflow.com/questions/12650137/how-to-change-the-device-orientation-programmatically-in-ios-6 Orientation shouldAutorotateToInterfaceOrientation Not Working The method shouldAutorotateToInterfaceOrientation is NOT supported in iOS 6. Its deprecated. Just in case if you are a newbie who just stared working in cocoa and wondering why is your view controller messed up in iOS 6 and perfect in iOS 5 just know that shouldAutorotateToInterfaceOrientation..
http://stackoverflow.com/questions/2032826/property-synthesize synthesize you have to write your own setter and getter implemention like getMyString or setMyString capitalize the first character of your property Sam Just an advice http www.cocoadevcentral.com d learn_objectivec is a pretty solid resource to learn about basics like properties. Good Luck share improve this answer..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults myEncodedObject prefs objectForKey key Player obj Player NSKeyedUnarchiver unarchiveObjectWithData myEncodedObject return obj Eeee sorry about all the code. Just trying to help. Basically the app will launch and then crash immediatly. I've narrowed it down to the encryption part of the app that's where it crashes so I'm..
Adding view on StatusBar in iPhone http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone bar. iphone uikit uiapplication share improve this question You can easily accomplish this by creating your own window above the existing status bar. Just create a simple subclass of UIWindow with the following override of initWithFrame @interface ACStatusBarOverlayWindow UIWindow @end @implementation ACStatusBarOverlayWindow..
iphone webkit css animations cause flicker http://stackoverflow.com/questions/2946748/iphone-webkit-css-animations-cause-flicker you'll get to a game. The guns will scroll in. You can scroll the purse and accessories up and down. You can see that when you let go they snap into place. Just as that snap happens there's a flicker that occurs. The only webkit animations I'm using are ' webkit transition' 'none' ' webkit transition' 'all 0.2s ease out'..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting NSAttributesString s. However there is no user interaction. No text selection no text input no spell checking no replacements no highlights no no no no no. Just rendering. And quite a bit of work to make it fast on old devices with long texts. UITextInput Protocol Allows interaction with the keyboard and to grab text input..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar str mutator generated by the compiler which will first release the current string then retains the new string and finally sets name to the retained string. Just calling name foo does nothing more than assigning name to foo. This also means that you can only call self.xxx when you have defined a property for the ivar otherwise..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events is getting back to foreground. Then close the bgTask and you're done. Maybe one can do sth. like this inside the expirationHandler from the long running task. Just try it out. Use your Console to see what happens... Have Fun Update 2 Sometimes simplifying things helps. My new approach is this one void applicationDidEnterBackground..
Number of days between two NSDates http://stackoverflow.com/questions/4739483/number-of-days-between-two-nsdates
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app config plist over the air from a web server. To deliver your config from the web all you have to do is direct the iPhone to a url containing the profile. Just open the link to your .mobileconfig file in safari. If you don't have web space you can just use dropbox public folder URLs or switch on your mac webserver. It's..
Embedding YouTube videos on iOS http://stackoverflow.com/questions/5117617/embedding-youtube-videos-on-ios just a plain white box does the simulator play videos from youtube How can I position this box iphone objective c ios youtube share improve this question Just tested your code it works fine on an iPhone Youtube videos are not supported on the iOS simulator though so you'll need a real device for testing. How can I position..
How to distribute ios application wirelessly without managing UDIDs and recompilation http://stackoverflow.com/questions/5546581/how-to-distribute-ios-application-wirelessly-without-managing-udids-and-recompil Also you don't need to specifically install the mobile provision file as it installs itself when you install the app. It is stored in the ipa file. Edit Just to clarify the PHP method you create a php file that creates plist files. Copy a standard plist file created from an enterprise distribution build then in your..
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 grab the session key and create a UIWebView to take them to the mobile paypal site. Paypal lets you specify a return URL which you can make anything you want. Just keep checking the UIWebview in the delegate method for this address and then you know the transaction is complete. Then you send one more HTTP Post similar to the..
Google plus api for posting on wall like facebook http://stackoverflow.com/questions/7857812/google-plus-api-for-posting-on-wall-like-facebook to show a webview for user login. I managed to get the people list from google plus. The steps are same as for getting the access token as in foursquare. Just with some small changes. in viewdidload method. NSString authStr @ https accounts.google.com o oauth2 auth client_id client_id redirect_uri http somevalidurl.com..
Call a parent view controller (through a navigationcontroller) http://stackoverflow.com/questions/8055052/call-a-parent-view-controller-through-a-navigationcontroller None of these two worked. How can I access the controller a method in it that pushed the current one iphone objective c ios share improve this question Just like Marsson mentioned you need to use delegate... Here is an sample In your child view controller .h file @protocol ChildViewControllerDelegate NSObject void parentMethodThatChildCanCall..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera find the solution still. iphone xcode ios5 error handling share improve this question This is clearly an Apple server issue not an Xcode iOS OSX issue. Just wait patiently and Apple's servers will catch up to the traffic or solve whatever issues they're having at their end. If you're anxious feel free to just sit there..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically View Controllers pretty much the same way. ViewControllerA and ViewControllerB. ViewControllerA has a blue background ViewControllerB has a black background. Just to see which one is active. So in the implementation of myRootController I do this Implement viewDidLoad to do additional setup after loading the view typically..
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 for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice called after network status changes NetworkStatus internetStatus.. observer never gets unregistered so you should account for that as well. Note The domain you use doesn't matter. It's just testing for a gateway to any domain. Important Note The Reachability class is one of the most used classes in projects so..
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 I'm working with is brought up by a tabbar UITabBar which needs to function as normal. Edit I am adding the scroll bar just for when the keyboard comes up. Even though it's not needed I feel like it provides a better interface because then the.. need a scroll view if the contents you have now does not fit in the iPhone screen. If you are adding the scroll view just to make the textfield scroll up when keyboard comes up then it's not needed. For showing the textfields without being hidden..
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 iPhone 5 screen size duplicate Possible 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.. 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 versions as it happened when we got.. work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple will require you to check the screen size every time you have to draw something..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices to detect iPhone 5 widescreen devices I've just upgraded to XCode 4.5 GM and found out that you can now apply the '4 Retina' size to your view controller in the storyboard... nor use different views for different screen sizes. Use the auto resizing capabilities of iOS so your views can adjust and adapt any screen size. That's not very hard read some documentation about that. It will save you a lot of time. iOS..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports that is indexed by spotlight. What now I have tried invoking symbolicatecrash crashreport.crash myApp.app.dSYM and it just outputs the same text that is in the crash report to start with not symbolicated. Am I doing something wrong Any help would.. method name which resulted in crash. Ex classname functionName 510 Symbolicating IPA if we use IPA for symbolicating just rename the extention .ipa with .zip extract it then we can get a Payload Folder which contain app. In this case we don't..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone someone shakes an iPhone I want to react when somebody shakes the iPhone. I don't particularly care how they shake it just that it was waved vigorously about for a split second. Does anyone know how to detect this iphone ios accelerometer shake..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios ranking solution currently the first response violates the latest SDK Agreement as of Nov 5 2009. Our application was just rejected for using it. Here's the response from Apple For security reasons iPhone OS restricts an application including..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version ios share improve this question You can get the OS version..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c a variable in a cocoa objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done back in my learning Java in college days. So when I define a property in Objective C this is what I naturally..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints iBooks takes a similar double take approach as if you scroll the pages you can see a lower res version of the page for just less than a second before a crisp version appears. Im rendering 2 pages each side of the page in focus so that the PDF image.. Getting Raw Text and here and Here and here positioning focused Searching and here doesn't work with all PDFs some just show weird characters I guess it's an encoding issue but I'm not sure Credit BrainFeeder CALayer and Off Screen Rendering..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c 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..
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..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert Code 1202 UserInfo 0xd29930 untrusted server certificate . Is there a way to set it to accept connections anyway just like in a browser you can press accept or a way to bypass it iphone ssl https share improve this question There is..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif can i do to get the message Thanks iphone ios5 sms jailbreak share improve this question Here's what I found ... Just looking at the dumped private APIs it looks like ChatKit.framework could help. Take a look at CKSMSService.h or CKMadridService.h..
Delete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data However you still need to make sure you retain referential integrity or you won't be able to persist your changes. Just removing the store and recreating it is both fast and safe and can certainly be done programatically at runtime. Update..
How do I break down an NSTimeInterval into year, months, days, hours, minutes and seconds on iPhone? http://stackoverflow.com/questions/1237778/how-do-i-break-down-an-nstimeinterval-into-year-months-days-hours-minutes-an out where it comes from can you iphone cocoa time nstimeinterval share improve this question Brief Description Just another approach to complete the answer of JBRWilkinson but adding some code. It can also offers a solution to Alex Reynolds's..
How to change the device orientation programmatically in iOS 6 http://stackoverflow.com/questions/12650137/how-to-change-the-device-orientation-programmatically-in-ios-6 Not Working The method shouldAutorotateToInterfaceOrientation is NOT supported in iOS 6. Its deprecated. Just in case if you are a newbie who just stared working in cocoa and wondering why is your view controller messed up in iOS..
http://stackoverflow.com/questions/2032826/property-synthesize own setter and getter implemention like getMyString or setMyString capitalize the first character of your property Sam Just an advice http www.cocoadevcentral.com d learn_objectivec is a pretty solid resource to learn about basics like properties...
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults Player obj Player NSKeyedUnarchiver unarchiveObjectWithData myEncodedObject return obj Eeee sorry about all the code. Just trying to help. Basically the app will launch and then crash immediatly. I've narrowed it down to the encryption part of..
Adding view on StatusBar in iPhone http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone improve this question You can easily accomplish this by creating your own window above the existing status bar. Just create a simple subclass of UIWindow with the following override of initWithFrame @interface ACStatusBarOverlayWindow UIWindow..
iphone webkit css animations cause flicker http://stackoverflow.com/questions/2946748/iphone-webkit-css-animations-cause-flicker in. You can scroll the purse and accessories up and down. You can see that when you let go they snap into place. Just as that snap happens there's a flicker that occurs. The only webkit animations I'm using are ' webkit transition' 'none'..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting no user interaction. No text selection no text input no spell checking no replacements no highlights no no no no no. Just rendering. And quite a bit of work to make it fast on old devices with long texts. UITextInput Protocol Allows interaction..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar which will first release the current string then retains the new string and finally sets name to the retained string. Just calling name foo does nothing more than assigning name to foo. This also means that you can only call self.xxx when you..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events the bgTask and you're done. Maybe one can do sth. like this inside the expirationHandler from the long running task. Just try it out. Use your Console to see what happens... Have Fun Update 2 Sometimes simplifying things helps. My new approach..
Number of days between two NSDates http://stackoverflow.com/questions/4739483/number-of-days-between-two-nsdates
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app server. To deliver your config from the web all you have to do is direct the iPhone to a url containing the profile. Just open the link to your .mobileconfig file in safari. If you don't have web space you can just use dropbox public folder URLs..
Embedding YouTube videos on iOS http://stackoverflow.com/questions/5117617/embedding-youtube-videos-on-ios play videos from youtube How can I position this box iphone objective c ios youtube share improve this question Just tested your code it works fine on an iPhone Youtube videos are not supported on the iOS simulator though so you'll need..
How to distribute ios application wirelessly without managing UDIDs and recompilation http://stackoverflow.com/questions/5546581/how-to-distribute-ios-application-wirelessly-without-managing-udids-and-recompil install the mobile provision file as it installs itself when you install the app. It is stored in the ipa file. Edit Just to clarify the PHP method you create a php file that creates plist files. Copy a standard plist file created from an enterprise..
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 to take them to the mobile paypal site. Paypal lets you specify a return URL which you can make anything you want. Just keep checking the UIWebview in the delegate method for this address and then you know the transaction is complete. Then..
Google plus api for posting on wall like facebook http://stackoverflow.com/questions/7857812/google-plus-api-for-posting-on-wall-like-facebook managed to get the people list from google plus. The steps are same as for getting the access token as in foursquare. Just with some small changes. in viewdidload method. NSString authStr @ https accounts.google.com o oauth2 auth client_id client_id..
Call a parent view controller (through a navigationcontroller) http://stackoverflow.com/questions/8055052/call-a-parent-view-controller-through-a-navigationcontroller the controller a method in it that pushed the current one iphone objective c ios share improve this question Just like Marsson mentioned you need to use delegate... Here is an sample In your child view controller .h file @protocol ChildViewControllerDelegate..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera ios5 error handling share improve this question This is clearly an Apple server issue not an Xcode iOS OSX issue. Just wait patiently and Apple's servers will catch up to the traffic or solve whatever issues they're having at their end. If..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically ViewControllerA and ViewControllerB. ViewControllerA has a blue background ViewControllerB has a black background. Just to see which one is active. So in the implementation of myRootController I do this Implement viewDidLoad to do additional..
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