¡@
2014/10/15 ¤U¤È 10:16:05
iphone Programming Glossary: yourHow 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 3 Update the interface section #import Reachability.h Add this to the interface in the .m file of your view controller @interface MyViewController Reachability internetReachableFoo @end 4 Then implement.. Reachability internetReachableFoo @end 4 Then implement this method in the .m file of your view controller which you can call Checks if we have an internet connection or not void testInternetConnection.. ^ NSLog @ Someone broke the internet internetReachableFoo startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the..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 this question Download and install latest version of Xcode . Set a 4 inch launch image for your app. This is how you get 1136 px screen height without it you will get 960 px with black margins on.. 1136 px screen height without it you will get 960 px with black margins on top and bottom . Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing.. everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application do I associate file types with an iPhone application On the subject of associating your iPhone app with file types. In this informative question I learned that apps could be associated with.. apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it encounters an unknown file type. This means the association.. with iPhone OS 3.2 and is different than the already existing custom URL schemes. You can register your application to handle particular document types and any application that uses a document controller..
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 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..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like.. that object. For example a view controller is often the delegate of a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed.. @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate implementors would have to adopt this protocol..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now Considerations Do not use the uniqueIdentifier 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 best way to remove duplicate values from NSMutableArray in Objective-C? http://stackoverflow.com/questions/1025674/the-best-way-to-remove-duplicate-values-from-nsmutablearray-in-objective-c NSSet setWithArray yourarray allObjects ios iphone objective c share improve this question Your NSSet approach is the best if you're not worried about the order of the objects but then again if you're..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone SMS and dialing operations. Imagine if the game instead dialed 911 at a particular time of day Your best bet is to setup an intermediate server on the internet that uses an online SMS sending service..
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like to your uri or do the redirect server side If the cookie doesn't exist open a Did you know Your Site Name has an iPhone application modal with a Yep I've already got it Nope but I'd love to try it..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone this question First you'll want to subclass UIImageView and override the drawRect method. Your class needs a UIColor property let's call it overlayColor to hold the blend color and a custom setter..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path imageToAnimate imageViewForAnimation.alpha 1.0f CGRect imageFrame imageViewForAnimation.frame Your image frame.origin from where the animation need to get start CGPoint viewOrigin imageViewForAnimation.frame.origin..
Get to UIViewController from UIView on iPhone? http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview-on-iphone answer for a long time I feel I need to rectify it with a better answer. Some comments on the need Your view should not need to access the view controller directly. The view should instead be independent..
How to create a multiline UITextfield? http://stackoverflow.com/questions/1345561/how-to-create-a-multiline-uitextfield uitextfield uitextview share improve this question UITextField is specifically one line only. Your Google search is correct you need to use UITextView instead of UITextField for display and editing of..
iPhone sending POST with NSURLConnection http://stackoverflow.com/questions/2071788/iphone-sending-post-with-nsurlconnection but I can't seem to find it Any ideas iphone post nsurlconnection share improve this question Your data is wrong. If you expect the data to be found in the _POST array of PHP it should look like this..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding the case of level @property CGFloat level can be replaced by CGFloat level void setLevel CGFloat v Your question Why declare a property named level for a variable named _level and why name a variable with..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing from Required to Weak and rebuild your application. That should take care of the runtime errors. Your conditional logic is sound but I tend to share an application delegate and do the interface specific..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk how to do this cf. step 7 in the next section. Note that you are now entering some tricky terrain. Your usual Xcode 3.2.3 compiler will no longer be enforcing your compliance to 3.0 only calls nor does it.. only 4.0 is the way to go. Close that window. From the menu select Project Edit Active Target YourTarget Under Architecture Base SDK choose one of the available device or simulator options iPhone 3.2..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone vary depending on data returned from a server. Does anyone know the quickest way to tackle this Your thoughts are greatly appreciated. iphone ios cocoa touch gradient share improve this question You..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store this question From https developer.apple.com news id 01062010a Drive Customers Directly to Your App on the App Store with iTunes Links With iTunes links you can provide your customers with an easy..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk code once when your app starts NSDictionary dictionary NSDictionary dictionaryWithObjectsAndKeys @ Your user agent @ UserAgent nil NSUserDefaults standardUserDefaults registerDefaults dictionary See previous..
http://stackoverflow.com/questions/5619719/write-a-file-on-ios YES I have created MyFile.txt on resources. iphone file nsbundle share improve this question Your code is working at my end i have just tested it. Where are you checking your changes Use Documents directory..
What does an underscore signify in the name of a member variable in Objective-C? [duplicate] http://stackoverflow.com/questions/5659156/what-does-an-underscore-signify-in-the-name-of-a-member-variable-in-objective-c
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering might be taking long enough for each frame to throw off the timing of a UIScrollView..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone Chain You can share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once it has preformed..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable The accessors have got the self. prefix. You shouldn't access the variables directly anyway. Your sample code doesn't work as it should be _myVar some_other_object _myVar is the ivar not myVar. self.myVar..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization data structure I mentioned iphone objective c json nsdictionary share improve this question Your root json object is not a dictionary but an array id 1 name Aaa id 2 name Bbb This might give you a..
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 project found here https github.com tonymillion Reachability 3 Update the interface section #import Reachability.h Add this to the interface in the .m file of your view controller @interface MyViewController Reachability internetReachableFoo @end 4 Then implement this method in the .m file of your view controller which you.. in the .m file of your view controller @interface MyViewController Reachability internetReachableFoo @end 4 Then implement this method in the .m file of your view controller which you can call Checks if we have an internet connection or not void testInternetConnection internetReachableFoo Reachability reachabilityWithHostname.. the UI on the main thread dispatch_async dispatch_get_main_queue ^ NSLog @ Someone broke the internet internetReachableFoo startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's..
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 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 app. This is how you get 1136 px screen height without it you will get 960 px with black margins on top and bottom . Test your app and hopefully do nothing else.. . Set a 4 inch launch image for your app. This is how you get 1136 px screen height without it you will get 960 px with black margins on top and bottom . Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with.. bottom . Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to do for..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application do I associate file types with an iPhone application On the subject of associating your iPhone app with file types. In this informative question I learned that apps could be associated with custom URL protocols. That was almost one year ago and since.. 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it encounters an unknown file type. This means the association doesn't work out of the box for any app like the URL protocol.. share improve this question File type handling is new with iPhone OS 3.2 and is different than the already existing custom URL schemes. You can register your application to handle particular document types and any application that uses a document controller can hand off processing of these documents to your own application...
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 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 to do so. iphone ios cocoa touch fonts share..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c them you simply define a class that implements the delegate methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could.. the delegate of an object often holds a strong reference to that object. For example a view controller is often the delegate of a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed in the Apple Docs on protocols 1 An Informal Protocol This.. NSNotification notification ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate implementors would have to adopt this protocol @interface MyDelegate NSWindowNotifications ... @end And then..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now forward The suggestion from the documentation is... Special Considerations Do not use the uniqueIdentifier 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..
The best way to remove duplicate values from NSMutableArray in Objective-C? http://stackoverflow.com/questions/1025674/the-best-way-to-remove-duplicate-values-from-nsmutablearray-in-objective-c C Is this the easiest and right way to do it uniquearray NSSet setWithArray yourarray allObjects ios iphone objective c share improve this question Your NSSet approach is the best if you're not worried about the order of the objects but then again if you're not worried about the order then why aren't you storing..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone has restrictions for automated or even partially automated SMS and dialing operations. Imagine if the game instead dialed 911 at a particular time of day Your best bet is to setup an intermediate server on the internet that uses an online SMS sending service and send the SMSs via that route if you need complete automation...
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like cookie If the cookie exists and is set to true set window.location to your uri or do the redirect server side If the cookie doesn't exist open a Did you know Your Site Name has an iPhone application modal with a Yep I've already got it Nope but I'd love to try it and Leave me alone button. The Yep button sets the cookie to..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone draw image iphone cocoa touch image processing share improve this question First you'll want to subclass UIImageView and override the drawRect method. Your class needs a UIColor property let's call it overlayColor to hold the blend color and a custom setter that forces a redraw when the color changes. Something like..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path imageViewForAnimation UIImageView alloc initWithImage imageToAnimate imageViewForAnimation.alpha 1.0f CGRect imageFrame imageViewForAnimation.frame Your image frame.origin from where the animation need to get start CGPoint viewOrigin imageViewForAnimation.frame.origin viewOrigin.y viewOrigin.y imageFrame.size.height..
Get to UIViewController from UIView on iPhone? http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview-on-iphone improve this question Since this has been the accepted answer for a long time I feel I need to rectify it with a better answer. Some comments on the need Your view should not need to access the view controller directly. The view should instead be independent of the view controller and be able to work in different contexts...
How to create a multiline UITextfield? http://stackoverflow.com/questions/1345561/how-to-create-a-multiline-uitextfield for this purpose. Any suggestions iphone ios objective c uitextfield uitextview share improve this question UITextField is specifically one line only. Your Google search is correct you need to use UITextView instead of UITextField for display and editing of multiline text . In Interface Builder add a UITextView where..
iPhone sending POST with NSURLConnection http://stackoverflow.com/questions/2071788/iphone-sending-post-with-nsurlconnection instead of theData . Probably some lame mistake somewhere but I can't seem to find it Any ideas iphone post nsurlconnection share improve this question Your data is wrong. If you expect the data to be found in the _POST array of PHP it should look like this const char bytes mydata Hello 20World If you want to send XML..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding is equivalent to declaring both a setter and a getter. In the case of level @property CGFloat level can be replaced by CGFloat level void setLevel CGFloat v Your question Why declare a property named level for a variable named _level and why name a variable with a leading _ in the first place I don't know. How it works is..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing frameworks with a column for Type. Change the Type for UIKit from Required to Weak and rebuild your application. That should take care of the runtime errors. Your conditional logic is sound but I tend to share an application delegate and do the interface specific layout further down the line. Update 12 21 2011 As of iOS 4.2..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk Target to a lower iOS version. For a quick shot of how to do this cf. step 7 in the next section. Note that you are now entering some tricky terrain. Your usual Xcode 3.2.3 compiler will no longer be enforcing your compliance to 3.0 only calls nor does it have a simulator for these. And if you want to support 4.0.. device options iPhone 3.2 or iPhone 4.0. If you are iPhone only 4.0 is the way to go. Close that window. From the menu select Project Edit Active Target YourTarget Under Architecture Base SDK choose one of the available device or simulator options iPhone 3.2 or iPhone 4.0. If you want to target previous iOS versions..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone program to create desired look is no good as the text may vary depending on data returned from a server. Does anyone know the quickest way to tackle this Your thoughts are greatly appreciated. iphone ios cocoa touch gradient share improve this question You could also use a graphic image one pixel wide as the gradient..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store app store iphone objective c hyperlink app store share improve this question From https developer.apple.com news id 01062010a Drive Customers Directly to Your App on the App Store with iTunes Links With iTunes links you can provide your customers with an easy way to access your apps on the App Store directly from your..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk also. Change the UserAgent default value by running this code once when your app starts NSDictionary dictionary NSDictionary dictionaryWithObjectsAndKeys @ Your user agent @ UserAgent nil NSUserDefaults standardUserDefaults registerDefaults dictionary See previous edits on this post if you need methods that work in versions..
http://stackoverflow.com/questions/5619719/write-a-file-on-ios @ MyFile data writeToFile appFile atomically YES I have created MyFile.txt on resources. iphone file nsbundle share improve this question Your code is working at my end i have just tested it. Where are you checking your changes Use Documents directory path. To get path NSLog @ @ documentsDirectory and..
What does an underscore signify in the name of a member variable in Objective-C? [duplicate] http://stackoverflow.com/questions/5659156/what-does-an-underscore-signify-in-the-name-of-a-member-variable-in-objective-c
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour this question It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering might be taking long enough for each frame to throw off the timing of a UIScrollView when using NSRunLoopCommonModes for the CADisplayLink...
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone In the documentation look for Responder Objects and the Responder Chain You can share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once it has preformed its interpretation of the message it returns the touch..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable It's easy now to distinguish between ivars and getters setters. The accessors have got the self. prefix. You shouldn't access the variables directly anyway. Your sample code doesn't work as it should be _myVar some_other_object _myVar is the ivar not myVar. self.myVar some_other_object works too uses the accessors share..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization to parse the JSON above and turn it into the data structure I mentioned iphone objective c json nsdictionary share improve this question Your root json object is not a dictionary but an array id 1 name Aaa id 2 name Bbb This might give you a clear picture of how to handle it NSError e nil NSArray jsonArray..
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 Reachability 3 Update the interface section #import Reachability.h Add this to the interface in the .m file of your view controller @interface MyViewController Reachability internetReachableFoo @end 4 Then implement this method in the .m.. @interface MyViewController Reachability internetReachableFoo @end 4 Then implement this method in the .m file of your view controller which you can call Checks if we have an internet connection or not void testInternetConnection internetReachableFoo.. dispatch_get_main_queue ^ NSLog @ Someone broke the internet internetReachableFoo startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry..
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 iphone 5 share improve this question Download and install latest version of Xcode . Set a 4 inch launch image for your app. This is how you get 1136 px screen height without it you will get 960 px with black margins on top and bottom . Test.. This is how you get 1136 px screen height without it you will get 960 px with black margins on top and bottom . Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing masks properly. If.. nothing else since everything should work magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application do I associate file types with an iPhone application On the subject of associating your iPhone app with file types. In this informative question I learned that apps could be associated with custom URL protocols... further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it encounters an unknown file type. This means the association doesn't work out.. handling is new with iPhone OS 3.2 and is different than the already existing custom URL schemes. You can register your application to handle particular document types and any application that uses a document controller can hand off processing..
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 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 to..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c the delegate methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like to implement its.. strong reference to that object. For example a view controller is often the delegate of a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed in the Apple Docs.. ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate implementors would have to adopt this protocol @interface MyDelegate..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now is... Special Considerations Do not use the uniqueIdentifier 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..
The best way to remove duplicate values from NSMutableArray in Objective-C? http://stackoverflow.com/questions/1025674/the-best-way-to-remove-duplicate-values-from-nsmutablearray-in-objective-c to do it uniquearray NSSet setWithArray yourarray allObjects ios iphone objective c share improve this question Your NSSet approach is the best if you're not worried about the order of the objects but then again if you're not worried about..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone partially automated SMS and dialing operations. Imagine if the game instead dialed 911 at a particular time of day Your best bet is to setup an intermediate server on the internet that uses an online SMS sending service and send the SMSs via..
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like to true set window.location to your uri or do the redirect server side If the cookie doesn't exist open a Did you know Your Site Name has an iPhone application modal with a Yep I've already got it Nope but I'd love to try it and Leave me alone..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone processing share improve this question First you'll want to subclass UIImageView and override the drawRect method. Your class needs a UIColor property let's call it overlayColor to hold the blend color and a custom setter that forces a redraw..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path alloc initWithImage imageToAnimate imageViewForAnimation.alpha 1.0f CGRect imageFrame imageViewForAnimation.frame Your image frame.origin from where the animation need to get start CGPoint viewOrigin imageViewForAnimation.frame.origin viewOrigin.y..
Get to UIViewController from UIView on iPhone? http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview-on-iphone been the accepted answer for a long time I feel I need to rectify it with a better answer. Some comments on the need Your view should not need to access the view controller directly. The view should instead be independent of the view controller..
How to create a multiline UITextfield? http://stackoverflow.com/questions/1345561/how-to-create-a-multiline-uitextfield ios objective c uitextfield uitextview share improve this question UITextField is specifically one line only. Your Google search is correct you need to use UITextView instead of UITextField for display and editing of multiline text . In..
iPhone sending POST with NSURLConnection http://stackoverflow.com/questions/2071788/iphone-sending-post-with-nsurlconnection mistake somewhere but I can't seem to find it Any ideas iphone post nsurlconnection share improve this question Your data is wrong. If you expect the data to be found in the _POST array of PHP it should look like this const char bytes mydata..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding and a getter. In the case of level @property CGFloat level can be replaced by CGFloat level void setLevel CGFloat v Your question Why declare a property named level for a variable named _level and why name a variable with a leading _ in the..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing the Type for UIKit from Required to Weak and rebuild your application. That should take care of the runtime errors. Your conditional logic is sound but I tend to share an application delegate and do the interface specific layout further down..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk For a quick shot of how to do this cf. step 7 in the next section. Note that you are now entering some tricky terrain. Your usual Xcode 3.2.3 compiler will no longer be enforcing your compliance to 3.0 only calls nor does it have a simulator for.. 4.0. If you are iPhone only 4.0 is the way to go. Close that window. From the menu select Project Edit Active Target YourTarget Under Architecture Base SDK choose one of the available device or simulator options iPhone 3.2 or iPhone 4.0. If you..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone good as the text may vary depending on data returned from a server. Does anyone know the quickest way to tackle this Your thoughts are greatly appreciated. iphone ios cocoa touch gradient share improve this question You could also use a..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store app store share improve this question From https developer.apple.com news id 01062010a Drive Customers Directly to Your App on the App Store with iTunes Links With iTunes links you can provide your customers with an easy way to access your..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk by running this code once when your app starts NSDictionary dictionary NSDictionary dictionaryWithObjectsAndKeys @ Your user agent @ UserAgent nil NSUserDefaults standardUserDefaults registerDefaults dictionary See previous edits on this post..
http://stackoverflow.com/questions/5619719/write-a-file-on-ios appFile atomically YES I have created MyFile.txt on resources. iphone file nsbundle share improve this question Your code is working at my end i have just tested it. Where are you checking your changes Use Documents directory path. To get..
What does an underscore signify in the name of a member variable in Objective-C? [duplicate] http://stackoverflow.com/questions/5659156/what-does-an-underscore-signify-in-the-name-of-a-member-variable-in-objective-c
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering might be taking long enough for each frame to throw off the timing of a UIScrollView when using NSRunLoopCommonModes..
Is there a way to pass touches through on the iPhone? http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone Objects and the Responder Chain You can share touches between objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once it has preformed its interpretation..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable and getters setters. The accessors have got the self. prefix. You shouldn't access the variables directly anyway. Your sample code doesn't work as it should be _myVar some_other_object _myVar is the ivar not myVar. self.myVar some_other_object..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization and turn it into the data structure I mentioned iphone objective c json nsdictionary share improve this question Your root json object is not a dictionary but an array id 1 name Aaa id 2 name Bbb This might give you a clear picture of how..
NSFetchedResultsController with sections created by first letter of a string http://stackoverflow.com/questions/1112521/nsfetchedresultscontroller-with-sections-created-by-first-letter-of-a-string worry about a setter for this property. Create this getter this is half the magic IMHO THIS ATTRIBUTE GETTER GOES IN YOUR OBJECT MODEL NSString committeeNameInitial self willAccessValueForKey @ committeeNameInitial NSString initial self committeeName.. self committeeName substringToIndex 1 self didAccessValueForKey @ committeeNameInitial return initial THIS GOES IN YOUR fetchedResultsController METHOD Edit the sort key as appropriate. NSSortDescriptor nameInitialSortOrder NSSortDescriptor..
iphone: secure restfull server "The certificate for this server is invalid http://stackoverflow.com/questions/12347410/iphone-secure-restfull-server-the-certificate-for-this-server-is-invalid ^ NSURLResponse response NSData data NSError error if data length 0 error nil NSLog @ Data @ data DO YOUR WORK HERE else if data length 0 error nil NSLog @ Nothing was downloaded. else if error nil NSLog @ Error @ error BOOL..
dictionaryHasDefinitionForTerm issues in xcode 4.5 http://stackoverflow.com/questions/12536550/dictionaryhasdefinitionforterm-issues-in-xcode-4-5 fourLetterWord method doensn't work in the simulator for some reasons Apple need to fix it. BUT if you TEST YOUR APP IN THE DEVICE UIReferenceLibraryViewController dictionaryHasDefinitionForTerm fourLetterWord method runs and gives you..
http://stackoverflow.com/questions/13699805/how-to-save-nstimer FALSE self start super viewWillAppear YES IBAction start currentTime 0 SET 60 SECODE AS STATICULLY YOU CAN SET YOUR OWN TIME lbl UILabel alloc init creates and fires timer every second myTimer NSTimer scheduledTimerWithTimeInterval 1 target..
How to setup normal Icon for iPhone3 and Retina for iPhone 4 http://stackoverflow.com/questions/3389160/how-to-setup-normal-icon-for-iphone3-and-retina-for-iphone-4 because your icon does not have an extention. If you just ignore it it will work like a charm UNTIL YOU WANT TO UPLOAD YOUR BINARY If you upload your binary through webinterface everything is working fine but if you use the apploader it will not..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 # Based on original script from Eonil main changes Eonil's script WILL NOT WORK in Xcode GUI it WILL CRASH YOUR COMPUTER # set e set o pipefail ################# Tests helps workaround any future bugs in Xcode ######## # DEBUG_THIS_SCRIPT.. # ...we need to build ALL targets # ...we MUST NOT re build the target that is ALREADY being built Xcode WILL CRASH YOUR COMPUTER if you try this infinite recursion # # # So build ONLY the missing platforms configurations. if true ALREADYINVOKED..
http://stackoverflow.com/questions/3827466/detect-iphone-browser strpos user_agent 'iPhone' FALSE if isIphone header 'Location http www.yourwebsite.com phone' exit ...THE REST OF YOUR CODE HERE and in javascript you can write var agent navigator.userAgent var isIphone agent.indexOf 'iPhone' 1 agent.indexOf..
iPhone: How do I get the file path of an image saved with UIImageWriteToSavedPhotosAlbum()? http://stackoverflow.com/questions/4457904/iphone-how-do-i-get-the-file-path-of-an-image-saved-with-uiimagewritetosavedpho AssetsLibrary.h to the header file of your class. Finally you can use the following code UIImage viewImage YOUR UIIMAGE mine was made from drawing context ALAssetsLibrary library ALAssetsLibrary alloc init Request to save the image..
http://stackoverflow.com/questions/5658565/database-is-locked-in-sqlite Thanks a lot... iphone objective c database sqlite share improve this question Search comment ADD THIS LINE TO YOUR CODE in following modified method of yours. void gettingData NSString dbPath NSLog @ Data base path is @ dbPath if sqlite3_open.. membersInfoDict membersInfoDict nil NSLog @ Entered and return sqlite3_close database return ADD THIS LINE TO YOUR CODE sqlite3_finalize selectstmt else sqlite3_close database Even though the open call failed close the database connection..
integrate facebook with like button in android and iphone http://stackoverflow.com/questions/5935034/integrate-facebook-with-like-button-in-android-and-iphone shareIntent.setType text plain shareIntent.putExtra android.content.Intent.EXTRA_SUBJECT YOUR SUBJECT HERE shareIntent.putExtra android.content.Intent.EXTRA_TEXT YOUR TEXT HERE startActivity Intent.createChooser shareIntent..
Change Default Scrolling Behavior of UITableView Section Header http://stackoverflow.com/questions/664781/change-default-scrolling-behavior-of-uitableview-section-header is that it looses a little bit of bounce when scrolling back to the top. NOTE The 40 should be the exact height of YOUR section 0 header. If you use a number that is bigger than your section 0 header height you'll see that finger feel is affected..
Documented process for using facebook connect for the iPhone to upload photos http://stackoverflow.com/questions/750328/documented-process-for-using-facebook-connect-for-the-iphone-to-upload-photos your API secret or a callback URL as described in documentation static NSString kApiSecret @ XXXXXXXXXXXXXXXXXX @ YOUR SECRET KEY @implementation SessionViewController @synthesize label _label @synthesize anImage void done id sender..
Changing the background color of a UIAlertView? http://stackoverflow.com/questions/883208/changing-the-background-color-of-a-uialertview is an image And you can change this image UIAlertView theAlert UIAlertView alloc initWithTitle @ Atention message @ YOUR MESSAGE HERE nil delegate nil cancelButtonTitle @ OK otherButtonTitles nil autorelease theAlert show UILabel theTitle theAlert..
The file InfoPlist.strings couldn't be opened http://stackoverflow.com/questions/9359835/the-file-infoplist-strings-couldnt-be-opened for plist find the following line fr isa PBXFileReference lastKnownFileType text.plist.strings name fr path Users YOUR USER PATH_TO_PROJECT fr.lproj InfoPlist.strings sourceTree absolute Notice that the path attribute is the full path to the.. to the file and that the sourceTree attribute is set to absolute . Now change the path so that it's relative Users YOUR USER PATH_TO_PROJECT fr.lproj InfoPlist.strings should become fr.lproj InfoPlist.strings Also change the sourceTree value..
|