2014/10/15 下午 10:15:32
iphone Programming Glossary: upHow 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 to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came up with a way to do this using an NSURL . The way I did it seems a bit unreliable because even Google could.. here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable Reachability.. internetReachable Reachability hostReachable 5 Add a method in the .h for when the network status updates void checkNetworkStatus NSNotification notice 6 Add #import Reachability.h to the .m file where..
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 to make a UITextField move up when keyboard is present With the iPhone SDK I have a UIView with UITextFields that brings up a keyboard... up when keyboard is present With the iPhone SDK I have a UIView with UITextFields that brings up a keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other.. of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing..
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 with custom URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk.. 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.. code is available handles the .pdb and .pdb.gz file types if received via email or in another supported application. To register support you will need to have something like the following in your Info.plist..
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 active Internet Connection on iPhone SDK I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came up with a way to do this using an NSURL . The way I did it seems a bit unreliable because even Google could one day be down and relying on a 3rd party seems bad and.. and Reachability.m to the project you can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable Reachability hostReachable 5 Add a method in the .h for when the network.. check in the interface section of the .h file Reachability internetReachable Reachability hostReachable 5 Add a method in the .h for when the network status updates void checkNetworkStatus NSNotification notice 6 Add #import Reachability.h to the .m file where you are implementing the check 7 In the .m file of where you..
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 to make a UITextField move up when keyboard is present With the iPhone SDK I have a UIView with UITextFields that brings up a keyboard. I need it to be able to Allow scrolling of the contents.. to make a UITextField move up when keyboard is present With the iPhone SDK I have a UIView with UITextFields that brings up a keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically.. brings up a keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still..
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 question I learned that apps could be associated with custom URL protocols. That was almost one year ago and since then Apple introduced '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.. '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.. For example my application Molecules for which the source code is available handles the .pdb and .pdb.gz file types if received via email or in another supported application. To register support you will need to have something like the following in your Info.plist key CFBundleDocumentTypes key array dict key CFBundleTypeIconFiles..
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 I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came up with a way to do this using an NSURL . The way I did it seems a bit unreliable because even Google could one day be down.. you can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable Reachability hostReachable 5.. .h file Reachability internetReachable Reachability hostReachable 5 Add a method in the .h for when the network status updates void checkNetworkStatus NSNotification notice 6 Add #import Reachability.h to the .m file where you are implementing..
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 to make a UITextField move up when keyboard is present With the iPhone SDK I have a UIView with UITextFields that brings up a keyboard. I need it to.. make a UITextField move up when keyboard is present With the iPhone SDK I have a UIView with UITextFields that brings up a keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once.. able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my..
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 could be associated with custom URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation.. 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.. for which the source code is available handles the .pdb and .pdb.gz file types if received via email or in another supported application. To register support you will need to have something like the following in your Info.plist key CFBundleDocumentTypes..
http://stackoverflow.com/questions/1080043/how-to-disable-multitouch just clicking it. You need to have outlets in your controller hooked up to each button and have the Touch Down Touch Up Inside and Touch Up Outside events hooked to the proper methods in your controller. #import multibuttonsViewController.h.. You need to have outlets in your controller hooked up to each button and have the Touch Down Touch Up Inside and Touch Up Outside events hooked to the proper methods in your controller. #import multibuttonsViewController.h @implementation multibuttonsViewController.. to do else one.enabled false two.enabled false label setText @ Three or whatever you want to do hook this up to Touch Up Inside and Touch Up Outside IBAction released id sender one.enabled true two.enabled true three.enabled true @end share..
Accessing Method from other Classes Objective-C http://stackoverflow.com/questions/1658433/accessing-method-from-other-classes-objective-c Each view has it's own class and everything is happy. However the different classes sometimes call the same method. Up until now I have simply wrote that Method twice in both of the class files. This is what I want to do though I want to make..
MFMailComposeViewController image orientation http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation as 3264w x 2448h. If you capture an image in landscape mode image.imageOrientation will return UIImageOrientationUp. UIImageOrientationUp tells displaying software that the image is fine to display as it is no rotation is necessary. Again.. If you capture an image in landscape mode image.imageOrientation will return UIImageOrientationUp. UIImageOrientationUp tells displaying software that the image is fine to display as it is no rotation is necessary. Again the underlying storage.. UIImageOrientationRight and width 3264 and height 2448. If we shoot landscape gImage arrives with UIImageOrientationUp and width 3264 and height 2448. If we continue on to the E Mailng MFMailComposeViewController code I 脎e added the debugging..
Keep iPhone UIButton Highlighted http://stackoverflow.com/questions/2290534/keep-iphone-uibutton-highlighted the button once the button is no longer highlighted. Then I created an IBAction highlightButton to handle Touch Up Inside event where I explicitly call myButton.highlighted Yes . Unfortunately the button highlight still does not stay...
Extracting pdf text in Objective C http://stackoverflow.com/questions/2960195/extracting-pdf-text-in-objective-c pdf text in Objective C Up to this point I had not found a solution that would work well to extract text from a pdf file in Objective C for use on..
UITapGestureRecognizer on a UIButton http://stackoverflow.com/questions/4105293/uitapgesturerecognizer-on-a-uibutton action @selector buttonPressed forControlEvents UIControlEventTouchDown Next in IB for each button hook up the Touch Up Inside and Touch Up Outside events with buttonReleased . Or to do it programmatically button1 addTarget self action @selector.. forControlEvents UIControlEventTouchDown Next in IB for each button hook up the Touch Up Inside and Touch Up Outside events with buttonReleased . Or to do it programmatically button1 addTarget self action @selector buttonReleased.. to do it programmatically button1 addTarget self action @selector buttonReleased forControlEvents UIControlEventTouchUpInside UIControlEventTouchUpOutside button2 addTarget self action @selector buttonReleased forControlEvents UIControlEventTouchUpInside..
dealloc, use release or set to nil for properties? http://stackoverflow.com/questions/4124049/dealloc-use-release-or-set-to-nil-for-properties when it comes to implementing dealloc. My question is when using @property which of the following should I be using. Up until now I have been using VERSION_001. @property nonatomic retain NSString name @property nonatomic retain NSString type..
How do I set up an FTP connection? http://stackoverflow.com/questions/4805998/how-do-i-set-up-an-ftp-connection do I set up an FTP connection I am trying to setup an FTP connection using iPhone iPad Simulator Xcode. Up to this point I discovered I need to use the CFFTP API but I have had no success. I have browsed the net and ended up by..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions Rect Button which is inside the UIView B . The singleTap gesture recognizer captures overrides the button's Touch Up Inside event. How can i make it work I thought that the responder chain hierarchy will make sure that the button touch event.. tapGestureRecognize release pahGestureRecognizer release #pragma mark #pragma mark Button actions IBAction buttonTouchUpInside id sender NSLog @ s @ __FUNCTION__ sender #pragma mark #pragma mark Gesture recognizer actions void singleTapGestureRecognizer..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader
“Gift App” from inside the app http://stackoverflow.com/questions/5197035/gift-app-from-inside-the-app the app I noticed that on the latest angry birds update they added a feature to gift your app from inside the app. Up till now I knew you can gift paid apps from the iTunes itself. Does anybody know what link should I use to access this mechanism..
iOS based OpenGL ES programming http://stackoverflow.com/questions/6074688/ios-based-opengl-es-programming both of us come at it by not assuming that you know OpenGL. As Bart suggests Jeff LaMarche's OpenGL ES from the Ground Up series is extremely popular for good reason and he's been posting unpublished chapters from his book on OpenGL ES 2.0 lately..
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 by the new owner without having to re buy re download the app iphone app store share improve this question Follow Up After all it is possible as of late March 2010 . I haven't read all comments or other threads about this issue so this might..
how to hide the keyboard when empty area is touched on iphone http://stackoverflow.com/questions/804563/how-to-hide-the-keyboard-when-empty-area-is-touched-on-iphone like what we experienced on iphone safari... Thank you iphone iphone softkeyboard share improve this question Updated way recommended void touchesBegan NSSet touches withEvent UIEvent event self.view endEditing YES This will end editing..
How to recognize swipe in all 4 directions? http://stackoverflow.com/questions/8181774/how-to-recognize-swipe-in-all-4-directions to recognize swipe in all 4 directions I need to recognize swipes in all directions Up Down Left Right . Not simultaneously but I need to recognize them. I tried UISwipeGestureRecognizer Swipe UISwipeGestureRecognizer.. UISwipeGestureRecognizerDirectionRight UISwipeGestureRecognizerDirectionDown UISwipeGestureRecognizerDirectionUp self.view addGestureRecognizer Swipe Swipe release but nothing appeared on SwipeRecognizer Here's the code for SwipeRecognizer.. UISwipeGestureRecognizerDirectionDown NSLog @ SWIPE DOWN if sender.direction UISwipeGestureRecognizerDirectionUp NSLog @ SWIPE UP How can I do this How can assign to my Swipe object all different directions iphone objective c ipad uigesturerecognizer..
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