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2014/10/15 ¤U¤È 10:04:32
iphone Programming Glossary: basicallyHTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch References . When they take the form of # number they are called numeric entity references . Basically it's a string representation of the byte that should be substituted. In the case of #038 it represents..
gcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone variations on discussion forums but being a non programmer I'm not sure how to progress this. Basically I have code which I found to help me with changing the background colors of cells on a grouped uitableview...
Verify receipt for in App purchase http://stackoverflow.com/questions/1298998/verify-receipt-for-in-app-purchase of example I did find one useful article which helped me out a bit but something is still wrong. Basically I am wondering if someone who has receipt validation working would be willing to share their code as..
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 do I change the Navigation Bar color in iOS 7 How do I change the Navigation Bar color in iOS 7 Basically I want to achieve something like the Twitter Nav Bar updated Twitter for iOS7 that is . I embedded in..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view Guide explains the relationship between a CALayer's position and anchorPoint properties. Basically the position of a layer is specified in terms of the location of the layer's anchorPoint. By default..
Is there a good tutorial for implementing an augmented reality iPhone application? [closed] http://stackoverflow.com/questions/2084327/is-there-a-good-tutorial-for-implementing-an-augmented-reality-iphone-applicatio you need to do is look at the location and camera frameworks for the iPhone and go from there. Basically you will create a UIImagePickerController the Camera class and overlay information on the view via a..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults you EDIT Alright so I worked with the code given below Thank you but I'm still having some issues. Basically the code crashes now and I'm not sure why because it doesn't give any errors. Perhaps I'm missing something.. 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..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui keyboard where it refuses to be dismissed if shown in a modal dialog with a navigation controller. Basically if I present the navigation controller with the following line navigationController.modalPresentationStyle..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework stupidly obscure it is generously commented but the comments don't actually make life any easier. Basically at the heart of it is vDSP_fft_zrip setupReal A stride log2n FFT_FORWARD vDSP_fft_zrip setupReal A stride..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started geared towards the Model View Controller paradigm which doesn't seem that suited for 3D apps. Basically I'm confused about what my first steps should be. iphone ios opengl es share improve this question..
Choosing the right IOS XML parser http://stackoverflow.com/questions/4181690/choosing-the-right-ios-xml-parser comment comment text CDATA Here is another post text author foo1 author comment comments blog Basically my requirements are that I need to be able to extract that cdata. And know whether it is the blog author..
How do i add 1 day to a NSDate? http://stackoverflow.com/questions/5067785/how-do-i-add-1-day-to-a-nsdate do i add 1 day to a NSDate Basically as the title says. I'm wondering how I could add 1 day to an NSDate . So if it were 21st February 2011..
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm it working but not pretty as seen here And I am looking for any suggestion to smooth the drawing Basically what I did is when user places a finger on the screen I called void touchesBegan NSSet touches withEvent..
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 work. I'm using XCode 4 so this may be slightly different if you're using a different version. Basically you have to add an Entitlements.plist file to your resources New File Code Signing Entitlements and..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app be open. And my question is how is this possible How can i open the Setting app from my own app Basically i need to do the same thing if the user turn off the location for my app then i'll show him a message..
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 But what is coordinate Where is it declared iphone objective c share improve this question Basically it doesn't mean anything to the compiler. It's just a coding practice used on private instance variables...
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller is filled in from data that the user inputs to textfields and date pickers in the previous view. Basically I think it would just be more professional to have the fields locked rather than display an alert or..
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 locale @ @ self.description self.locale.description self.locale localeIdentifier return self @end Basically just changed the name of the static locale variable in case there was some conflict with the static..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x immediate mode things that are in OpenGL but are not directly related to just drawing triangles . Basically unlearn everything that has been declared deprecated in OpenGL 3.0. GL ES 1.x is for pretty simple devices...
UIScrollView horizontal paging like Mobile Safari tabs http://stackoverflow.com/questions/1220354/uiscrollview-horizontal-paging-like-mobile-safari-tabs UIEvent event if self pointInside point withEvent event return scrollView return nil This basically expands the touch area of the UIScrollView to the frame of its parent's view exactly what you need...
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 stretched screen from what I could tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely..
http://stackoverflow.com/questions/1424608/nsurlconnection-timeout you don't want to worry about that part. The timeout is a floating point value in seconds as are basically all time intervals in the iPhone SDK. Also make sure your NSURLConnection 's delegate is set and responds..
How to add more details in MKAnnotation in iOS http://stackoverflow.com/questions/2342070/how-to-add-more-details-in-mkannotation-in-ios share improve this question Take a look at creating a custom MKAnnotationView object... it is basically a UIView that is tailored for map annotations. In that object you could have your 4 custom labels. In..
http://stackoverflow.com/questions/2870680/horizontal-uitableview a standard way to do this taking advantage of a datasource provider like uitableview provides I basically want to do somthing similar to what the BBC News reader app http itunes.apple.com us app bbc news id364147881..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework as a complex number. The documentation overview explains this packing. it is quite neat basically it allows the complex results of the transform to be packed into the same memory footprint as the real..
NSDictionary with ordered keys http://stackoverflow.com/questions/376090/nsdictionary-with-ordered-keys any other folks have found themselves in. I have an NSDictionary stored in a plist that I'm basically using as an associative array strings as keys and values . I want to use the array of keys as part of..
http://stackoverflow.com/questions/412982/iphone-unzip-code file you should have a look at the WinZip specification and try to parse the file yourself. It basically should be parsing some header values seeking the compressed stream position and using zLib routines..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started and spin it using a tutorial in C# I got off the net I didn't just copy and paste I understand basically how it works and the XNA game development library using Visual Studio on Windows. What I do not know..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers the book data Let's say it depends on a BookWarehouse object for that. So now your controller is basically brokering data between a model object BookWarehouse and the GUI view objects. In other words BookPickerViewController..
Access the camera with iPhone SDK http://stackoverflow.com/questions/74113/access-the-camera-with-iphone-sdk iphone camera share improve this question You need to use the UIImagePickerController class basically UIImagePickerController picker UIImagePickerController alloc init picker.delegate pickerDelegate picker.sourceType..
NSDate and NSDateFormatter - short format date and time in iphone sdk http://stackoverflow.com/questions/936969/nsdate-and-nsdateformatter-short-format-date-and-time-in-iphone-sdk time in iphone sdk searched for answers but the ones i found didn't seem to be ipone specific. I basically need to get current date and time separately formatted as 2009 04 26 11 06 54 edit The code below from..
http://stackoverflow.com/questions/982476/iphone-app-without-appstore relationship with the PDA maker. iphone distribution share improve this question There are basically three different official iPhone application distribution methods that I am aware of App store With this..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview contents of error after the fetch. Going the other way from a UIWebView is a bit trickier but is basically the same concept. You'll have to pull the request from the view then do the fetch as before NSURL requestURL..
HTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch share improve this question Those are called Character Entity References . When they take the form of # number they are called numeric entity references . Basically it's a string representation of the byte that should be substituted. In the case of #038 it represents the character with the value of 38 in the ISO 8859 1 character..
gcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone with exit code 1 iphone I've seen this error with different variations on discussion forums but being a non programmer I'm not sure how to progress this. Basically I have code which I found to help me with changing the background colors of cells on a grouped uitableview. The code introduced a line as such CGContextAddArcToPoint..
Verify receipt for in App purchase http://stackoverflow.com/questions/1298998/verify-receipt-for-in-app-purchase this particular area as they don't really give you any sort of example I did find one useful article which helped me out a bit but something is still wrong. Basically I am wondering if someone who has receipt validation working would be willing to share their code as I'm getting nowhere. Thanks php iphone objective c in app..
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 do I change the Navigation Bar color in iOS 7 How do I change the Navigation Bar color in iOS 7 Basically I want to achieve something like the Twitter Nav Bar updated Twitter for iOS7 that is . I embedded in a nav bar atop a view controller . All I want is to change..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view Geometry and Transforms section of the Core Animation Programming Guide explains the relationship between a CALayer's position and anchorPoint properties. Basically the position of a layer is specified in terms of the location of the layer's anchorPoint. By default a layer's anchorPoint is 0.5 0.5 which lies at the center of..
Is there a good tutorial for implementing an augmented reality iPhone application? [closed] http://stackoverflow.com/questions/2084327/is-there-a-good-tutorial-for-implementing-an-augmented-reality-iphone-applicatio this question I doubt exactly such a thing exists but what you need to do is look at the location and camera frameworks for the iPhone and go from there. Basically you will create a UIImagePickerController the Camera class and overlay information on the view via a custom .cameraOverlayView which is a property of UIImagePickerController..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults sure how to implement it help would be appreciated Thank you EDIT Alright so I worked with the code given below Thank you but I'm still having some issues. Basically the code crashes now and I'm not sure why because it doesn't give any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is.. 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 doing something wrong but..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui This question is about a behavior discovered in the iPad keyboard where it refuses to be dismissed if shown in a modal dialog with a navigation controller. Basically if I present the navigation controller with the following line navigationController.modalPresentationStyle UIModalPresentationFormSheet The keyboard refuses to..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework not an error it's just very very fast This code is really stupidly obscure it is generously commented but the comments don't actually make life any easier. Basically at the heart of it is vDSP_fft_zrip setupReal A stride log2n FFT_FORWARD vDSP_fft_zrip setupReal A stride log2n FFT_INVERSE FFT on n real floats and then reverse..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started of the sample code doesn't work on the iPhone SDK plus it seems geared towards the Model View Controller paradigm which doesn't seem that suited for 3D apps. Basically I'm confused about what my first steps should be. iphone ios opengl es share improve this question You should probably start with some simpler iphone apps..
Choosing the right IOS XML parser http://stackoverflow.com/questions/4181690/choosing-the-right-ios-xml-parser HTML code that must be extracted text author foo2 author comment comment text CDATA Here is another post text author foo1 author comment comments blog Basically my requirements are that I need to be able to extract that cdata. And know whether it is the blog author a comment author. iphone xml parsing sdk share improve..
How do i add 1 day to a NSDate? http://stackoverflow.com/questions/5067785/how-do-i-add-1-day-to-a-nsdate do i add 1 day to a NSDate Basically as the title says. I'm wondering how I could add 1 day to an NSDate . So if it were 21st February 2011 It would become 22nd February 2011 Or if it were 31st December..
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm I am working on a sketching app on the iPhone. I got it working but not pretty as seen here And I am looking for any suggestion to smooth the drawing Basically what I did is when user places a finger on the screen I called void touchesBegan NSSet touches withEvent UIEvent event then I collect a single touch in an array..
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 to make sure. I imagine the process is the same if it does work. I'm using XCode 4 so this may be slightly different if you're using a different version. Basically you have to add an Entitlements.plist file to your resources New File Code Signing Entitlements and before you distribute you have to change Can be debugged to..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app it send me a message and if I press ok the Settings App will be open. And my question is how is this possible How can i open the Setting app from my own app Basically i need to do the same thing if the user turn off the location for my app then i'll show him a message saying something that will open the Setting app I really appreciate..
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 the complete statement. _coordinate is a member variable. But what is coordinate Where is it declared iphone objective c share improve this question Basically it doesn't mean anything to the compiler. It's just a coding practice used on private instance variables. Your code isn't going to break if you don't use it. ..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller everything could go horribly wrong..At the moment the body is filled in from data that the user inputs to textfields and date pickers in the previous view. Basically I think it would just be more professional to have the fields locked rather than display an alert or something saying Please Don't Edit the Message so its not a..
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 en_US_POSIX2 NSLog @ Category's object @ and object's locale @ @ self.description self.locale.description self.locale localeIdentifier return self @end Basically just changed the name of the static locale variable in case there was some conflict with the static declared in the subclass and added the extra NSLog. But look..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x and forget about all things that are old cruft display lists immediate mode things that are in OpenGL but are not directly related to just drawing triangles . Basically unlearn everything that has been declared deprecated in OpenGL 3.0. GL ES 1.x is for pretty simple devices. What you have is a way to draw geometry vertex buffers..
UIScrollView horizontal paging like Mobile Safari tabs http://stackoverflow.com/questions/1220354/uiscrollview-horizontal-paging-like-mobile-safari-tabs inside the ClipView . UIView hitTest CGPoint point withEvent UIEvent event if self pointInside point withEvent event return scrollView return nil This basically expands the touch area of the UIScrollView to the frame of its parent's view exactly what you need. Another option would be to subclass UIScrollView and override..
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 this question All apps will continue to work in the vertically stretched screen from what I could tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling..
http://stackoverflow.com/questions/1424608/nsurlconnection-timeout NSURLRequestUseProtocolCachePolicy cachePolicy parameter if you don't want to worry about that part. The timeout is a floating point value in seconds as are basically all time intervals in the iPhone SDK. Also make sure your NSURLConnection 's delegate is set and responds to the connection didFailWithError method. A connection..
How to add more details in MKAnnotation in iOS http://stackoverflow.com/questions/2342070/how-to-add-more-details-in-mkannotation-in-ios me..Thanks in advance. iphone objective c ios mkannotation share improve this question Take a look at creating a custom MKAnnotationView object... it is basically a UIView that is tailored for map annotations. In that object you could have your 4 custom labels. In your MKMapViewDelegate class you implement the viewForAnnotation..
http://stackoverflow.com/questions/2870680/horizontal-uitableview doing a transform does not give the desired effect. Is there a standard way to do this taking advantage of a datasource provider like uitableview provides I basically want to do somthing similar to what the BBC News reader app http itunes.apple.com us app bbc news id364147881 mt 8 on the Ipad does with the list of stories to..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework one is actually two real numbers DC offset Nyquist # masquerading as a complex number. The documentation overview explains this packing. it is quite neat basically it allows the complex results of the transform to be packed into the same memory footprint as the real but weirdly packaged inputs. vDSP_fft_zrip setupReal A stride..
NSDictionary with ordered keys http://stackoverflow.com/questions/376090/nsdictionary-with-ordered-keys with ordered keys I'm curious if this is a situation any other folks have found themselves in. I have an NSDictionary stored in a plist that I'm basically using as an associative array strings as keys and values . I want to use the array of keys as part of my application but I'd like them to be in a specific order..
http://stackoverflow.com/questions/412982/iphone-unzip-code
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started that used Java I have managed to display a 3D textured model and spin it using a tutorial in C# I got off the net I didn't just copy and paste I understand basically how it works and the XNA game development library using Visual Studio on Windows. What I do not know Much about Objective C Anything about OpenGL or OpenGL ES which..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers and displays the GUI view objects. Where will it get all the book data Let's say it depends on a BookWarehouse object for that. So now your controller is basically brokering data between a model object BookWarehouse and the GUI view objects. In other words BookPickerViewController DEPENDS on the BookWarehouse object. Don't..
Access the camera with iPhone SDK http://stackoverflow.com/questions/74113/access-the-camera-with-iphone-sdk official resources that show how this can be done Thanks. iphone camera share improve this question You need to use the UIImagePickerController class basically UIImagePickerController picker UIImagePickerController alloc init picker.delegate pickerDelegate picker.sourceType UIImagePickerControllerSourceTypeCamera The pickerDelegate..
NSDate and NSDateFormatter - short format date and time in iphone sdk http://stackoverflow.com/questions/936969/nsdate-and-nsdateformatter-short-format-date-and-time-in-iphone-sdk and NSDateFormatter short format date and time in iphone sdk searched for answers but the ones i found didn't seem to be ipone specific. I basically need to get current date and time separately formatted as 2009 04 26 11 06 54 edit The code below from another question on the same topic generates now 2009 06..
http://stackoverflow.com/questions/982476/iphone-app-without-appstore anonymous posting the company is a little nervous about our relationship with the PDA maker. iphone distribution share improve this question There are basically three different official iPhone application distribution methods that I am aware of App store With this method anyone with an iPhone can have access to the application...
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview any errors encountered in the fetch. You should check the contents of error after the fetch. Going the other way from a UIWebView is a bit trickier but is basically the same concept. You'll have to pull the request from the view then do the fetch as before NSURL requestURL yourWebView request URL NSError error NSString page..
How does the iOS app Display Recorder record the screen without using private API? http://stackoverflow.com/questions/11090184/how-does-the-ios-app-display-recorder-record-the-screen-without-using-private-ap done even down to the detail of putting the red bar at the top when outside of the app. I was under the impression we basically had no control of what's happening when the app runs in the background short of some key pieces of functionality like audio..
UIScrollView horizontal paging like Mobile Safari tabs http://stackoverflow.com/questions/1220354/uiscrollview-horizontal-paging-like-mobile-safari-tabs CGPoint point withEvent UIEvent event if self pointInside point withEvent event return scrollView return nil This basically expands the touch area of the UIScrollView to the frame of its parent's view exactly what you need. Another option would..
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 to work in the vertically stretched screen from what I could tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto..
http://stackoverflow.com/questions/1424608/nsurlconnection-timeout parameter if you don't want to worry about that part. The timeout is a floating point value in seconds as are basically all time intervals in the iPhone SDK. Also make sure your NSURLConnection 's delegate is set and responds to the connection..
How to add more details in MKAnnotation in iOS http://stackoverflow.com/questions/2342070/how-to-add-more-details-in-mkannotation-in-ios c ios mkannotation share improve this question Take a look at creating a custom MKAnnotationView object... it is basically a UIView that is tailored for map annotations. In that object you could have your 4 custom labels. In your MKMapViewDelegate..
Tips for a successful AppStore submission? [closed] http://stackoverflow.com/questions/28551/tips-for-a-successful-appstore-submission as long as you follow the instructions is actually fairly straight forward. I found the key is being prepared. You basically get no notice before your App goes live and the review process can take any where from a few hours to a few weeks. Make..
http://stackoverflow.com/questions/2870680/horizontal-uitableview effect. Is there a standard way to do this taking advantage of a datasource provider like uitableview provides I basically want to do somthing similar to what the BBC News reader app http itunes.apple.com us app bbc news id364147881 mt 8 on the..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework offset Nyquist # masquerading as a complex number. The documentation overview explains this packing. it is quite neat basically it allows the complex results of the transform to be packed into the same memory footprint as the real but weirdly packaged..
Getting a screenshot of a UIScrollView, including offscreen parts http://stackoverflow.com/questions/3539717/getting-a-screenshot-of-a-uiscrollview-including-offscreen-parts UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext do something with the viewImage here. This basically moves to the top of the scroll view and takes a screenshot of the visible area. It works fine when the iPad is oriented..
NSDictionary with ordered keys http://stackoverflow.com/questions/376090/nsdictionary-with-ordered-keys if this is a situation any other folks have found themselves in. I have an NSDictionary stored in a plist that I'm basically using as an associative array strings as keys and values . I want to use the array of keys as part of my application but..
http://stackoverflow.com/questions/412982/iphone-unzip-code if it's really a WinZip file you should have a look at the WinZip specification and try to parse the file yourself. It basically should be parsing some header values seeking the compressed stream position and using zLib routines to decompress it. share..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started a 3D textured model and spin it using a tutorial in C# I got off the net I didn't just copy and paste I understand basically how it works and the XNA game development library using Visual Studio on Windows. What I do not know Much about Objective..
http://stackoverflow.com/questions/4194394/client-server-gksessions you're all set go for it GK is fantastic if you can figure out all the subtleties. With GK and ASIHttpRequest you can basically do anything between computers at least in a basic way. This question has hit the nail on the head ........ GK has a highly..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers Where will it get all the book data Let's say it depends on a BookWarehouse object for that. So now your controller is basically brokering data between a model object BookWarehouse and the GUI view objects. In other words BookPickerViewController DEPENDS..
Transferring ownership of an iPhone app on the app store http://stackoverflow.com/questions/671382/transferring-ownership-of-an-iphone-app-on-the-app-store March 2010 . I haven't read all comments or other threads about this issue so this might be obsolete but it seems it's basically related to the iTunes related structure of the appStore. You can't be part of the Beatles and the Rolling Stones Bands.....
Access the camera with iPhone SDK http://stackoverflow.com/questions/74113/access-the-camera-with-iphone-sdk can be done Thanks. iphone camera share improve this question You need to use the UIImagePickerController class basically UIImagePickerController picker UIImagePickerController alloc init picker.delegate pickerDelegate picker.sourceType UIImagePickerControllerSourceTypeCamera..
NSDate and NSDateFormatter - short format date and time in iphone sdk http://stackoverflow.com/questions/936969/nsdate-and-nsdateformatter-short-format-date-and-time-in-iphone-sdk format date and time in iphone sdk searched for answers but the ones i found didn't seem to be ipone specific. I basically need to get current date and time separately formatted as 2009 04 26 11 06 54 edit The code below from another question..
http://stackoverflow.com/questions/982476/iphone-app-without-appstore nervous about our relationship with the PDA maker. iphone distribution share improve this question There are basically three different official iPhone application distribution methods that I am aware of App store With this method anyone with..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview You should check the contents of error after the fetch. Going the other way from a UIWebView is a bit trickier but is basically the same concept. You'll have to pull the request from the view then do the fetch as before NSURL requestURL yourWebView..
HTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch called Character Entity References . When they take the form of # number they are called numeric entity references . Basically it's a string representation of the byte that should be substituted. In the case of #038 it represents the character with..
gcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone error with different variations on discussion forums but being a non programmer I'm not sure how to progress this. Basically I have code which I found to help me with changing the background colors of cells on a grouped uitableview. The code introduced..
Verify receipt for in App purchase http://stackoverflow.com/questions/1298998/verify-receipt-for-in-app-purchase give you any sort of example I did find one useful article which helped me out a bit but something is still wrong. Basically I am wondering if someone who has receipt validation working would be willing to share their code as I'm getting nowhere...
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 do I change the Navigation Bar color in iOS 7 How do I change the Navigation Bar color in iOS 7 Basically I want to achieve something like the Twitter Nav Bar updated Twitter for iOS7 that is . I embedded in a nav bar atop a view..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view Core Animation Programming Guide explains the relationship between a CALayer's position and anchorPoint properties. Basically the position of a layer is specified in terms of the location of the layer's anchorPoint. By default a layer's anchorPoint..
Is there a good tutorial for implementing an augmented reality iPhone application? [closed] http://stackoverflow.com/questions/2084327/is-there-a-good-tutorial-for-implementing-an-augmented-reality-iphone-applicatio a thing exists but what you need to do is look at the location and camera frameworks for the iPhone and go from there. Basically you will create a UIImagePickerController the Camera class and overlay information on the view via a custom .cameraOverlayView..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults appreciated Thank you EDIT Alright so I worked with the code given below Thank you but I'm still having some issues. Basically the code crashes now and I'm not sure why because it doesn't give any errors. Perhaps I'm missing something basic and I'm.. 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..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui in the iPad keyboard where it refuses to be dismissed if shown in a modal dialog with a navigation controller. Basically if I present the navigation controller with the following line navigationController.modalPresentationStyle UIModalPresentationFormSheet..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework This code is really stupidly obscure it is generously commented but the comments don't actually make life any easier. Basically at the heart of it is vDSP_fft_zrip setupReal A stride log2n FFT_FORWARD vDSP_fft_zrip setupReal A stride log2n FFT_INVERSE..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started iPhone SDK plus it seems geared towards the Model View Controller paradigm which doesn't seem that suited for 3D apps. Basically I'm confused about what my first steps should be. iphone ios opengl es share improve this question You should probably..
Choosing the right IOS XML parser http://stackoverflow.com/questions/4181690/choosing-the-right-ios-xml-parser author foo2 author comment comment text CDATA Here is another post text author foo1 author comment comments blog Basically my requirements are that I need to be able to extract that cdata. And know whether it is the blog author a comment author...
How do i add 1 day to a NSDate? http://stackoverflow.com/questions/5067785/how-do-i-add-1-day-to-a-nsdate do i add 1 day to a NSDate Basically as the title says. I'm wondering how I could add 1 day to an NSDate . So if it were 21st February 2011 It would become 22nd..
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm on the iPhone. I got it working but not pretty as seen here And I am looking for any suggestion to smooth the drawing Basically what I did is when user places a finger on the screen I called void touchesBegan NSSet touches withEvent UIEvent event then..
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 is the same if it does work. I'm using XCode 4 so this may be slightly different if you're using a different version. Basically you have to add an Entitlements.plist file to your resources New File Code Signing Entitlements and before you distribute..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app the Settings App will be open. And my question is how is this possible How can i open the Setting app from my own app Basically i need to do the same thing if the user turn off the location for my app then i'll show him a message saying something that..
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 is a member variable. But what is coordinate Where is it declared iphone objective c share improve this question Basically it doesn't mean anything to the compiler. It's just a coding practice used on private instance variables. Your code isn't..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller the moment the body is filled in from data that the user inputs to textfields and date pickers in the previous view. Basically I think it would just be more professional to have the fields locked rather than display an alert or something saying Please..
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 @ and object's locale @ @ self.description self.locale.description self.locale localeIdentifier return self @end Basically just changed the name of the static locale variable in case there was some conflict with the static declared in the subclass..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x cruft display lists immediate mode things that are in OpenGL but are not directly related to just drawing triangles . Basically unlearn everything that has been declared deprecated in OpenGL 3.0. GL ES 1.x is for pretty simple devices. What you have..
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