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2014/10/15 ¤U¤È 10:03:29
iphone Programming Glossary: acthttp://stackoverflow.com/questions/1049393/gamekit-in-iphone-sdk-3-0 way uses GameKit API. You start by having two separate classes one that implements the GKSessionDelegate protocol and acts as a GameKit Bluetooth handler and the other as the presentation UI most likely some sort of viewcontroller with a tableview.. two sides have gone through network reachability with each other and connected they are registered under Bonjour and act like any Bonjour service would. The GameKit way is probably a little easier but if you already have code for WiFi it can..
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 a la the Address Book. I could go in and create another attribute i.e. a single letter for each person in order to act as the section division but this seems kludgy. Here's what I'm starting with ... the trick seems to be fooling the sectionNameKeyPath..
Checkbox image toggle in UITableViewCell http://stackoverflow.com/questions/1171476/checkbox-image-toggle-in-uitableviewcell on creating a UITableViewCell that has an image on the left which can be toggled. The image should be tappable and act as a toggle checkbox . My parts I'm struggling with are How do I detect taps on the image and handle those differently to.. image below for a sample Thanks iphone cocoa touch uitableview uitableviewcell share improve this question It's actually pretty easy. Just create a new subclass of UIControl and put it all in there no need for a separate controller. Let's.. UIImageView alloc initWithImage normalImage set imageView frame self.view addSubview imageView self addTarget self action @selector toggleImage forControlEvents UIControlEventTouchUpInside Set the UIImageView's image property to update the..
http://stackoverflow.com/questions/1610542/custom-iphone-keyboard something that does the keyboard and appends test to a text field however I'd like to make it more generic and have it act like the standard iphone keyboard i.e. appear when teh user selects an editable text control. Currently my controller knows..
NSNotificationCenter vs delegation( using protocols )? http://stackoverflow.com/questions/1927965/nsnotificationcenter-vs-delegation-using-protocols here is how many clients would like to be notified of an event. If it's mainly one object e.g. to dismiss a view or to act upon a button clicked or to react to a failed download then you should use the delegate model. If the event you emit may.. to be notified of an event. If it's mainly one object e.g. to dismiss a view or to act upon a button clicked or to react to a failed download then you should use the delegate model. If the event you emit may be of an interest to many objects..
Pattern for wrapping an Asynchronous JavaScript function to make it synchronous http://stackoverflow.com/questions/214491/pattern-for-wrapping-an-asynchronous-javascript-function-to-make-it-synchronous Sorry JavaScript does not provide the language primitives eg. threads or coroutines to make asynchronous things act synchronously or vice versa. You generally get one thread of execution only so you can't get a callback from a timer or..
Code is exectuting but the view is not loading when called form a function? http://stackoverflow.com/questions/2720327/code-is-exectuting-but-the-view-is-not-loading-when-called-form-a-function loading when called form a function I am doing a book kinda application using a viewBased application. The mainView acts as the backgroundView for loading pages. Each page is a different view and have its own nib. When i swipe on a page actually.. as the backgroundView for loading pages. Each page is a different view and have its own nib. When i swipe on a page actually on the mainView which have loaded the current view page that page will be removed and the next previous page will be.. intialized with a tableviewController class named popClass. PopClass is another UITableViewController class which will act as the parent for the popViewController. self.myPopController PopController alloc initWithStyle UITableViewStylePlain self.myPopOverController..
UILongPressGestureRecognizer gets called twice when pressing down http://stackoverflow.com/questions/3319591/uilongpressgesturerecognizer-gets-called-twice-when-pressing-down down for 2 seconds UILongPressGestureRecognizer longPress UILongPressGestureRecognizer alloc initWithTarget self action @selector handleLongPress longPress.minimumPressDuration 2.0 self addGestureRecognizer longPress longPress release This.. continuous event recognizer. You have to look at the state to see if this is the start middle or end of the event and act accordingly. i.e. you can through away all events after the start or only look at movement as you need. From the Class Reference..
How should I architect my iPhone app to talk to my website? http://stackoverflow.com/questions/3943597/how-should-i-architect-my-iphone-app-to-talk-to-my-website SQLite database Am I totally off in how I should be building this thing to communicate with the web Is there a best practice for this I'd really appreciate any input on how you would architect this sort of a setup. Thank you EDIT After reading.. plan XML and REST are a great way to communicate with a web application. I want to suggest few details about how to actually design and build it or what you should keep in mind. First of all I believe it's important to stick with MVC. I've.. establishing HTTP connections. Don't do it Your model and its basic manipulation code should be as much extracted from user interface as possible. As you already have created the model in your web application try to recreate the entities..
Detecting touch screen devices with Javascript http://stackoverflow.com/questions/3974827/detecting-touch-screen-devices-with-javascript
Realtime Face-tracking on Iphone http://stackoverflow.com/questions/4323350/realtime-face-tracking-on-iphone this question iOS 5 brings facial recognition as a native feature. Basically you just have to configure an object to act as your the video output stream ™s delegate could be your controller for example and use a CIDetector object to process this..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom if I was zoomed to 2x for example it's suddenly at 4x. When I finish the zoom it ends up at the correct scale but the actual act of zooming looks bad. So first how do I allow the graph to redraw itself at the standard scale of 1x1 after zooming.. zoomed to 2x for example it's suddenly at 4x. When I finish the zoom it ends up at the correct scale but the actual act of zooming looks bad. So first how do I allow the graph to redraw itself at the standard scale of 1x1 after zooming and.. atScale will be called and give you a chance to do a more high quality rendering of your view at the new scale factor. Generally it's suggested that you reset the transform on your view to be CGAffineTransformIdentity and then have your..
Disable UIScrollView scrolling when UITextField becomes first responder http://stackoverflow.com/questions/4585718/disable-uiscrollview-scrolling-when-uitextfield-becomes-first-responder When a UITextField embedded in a UIScrollView becomes first responder by lets say the user typing in some character the UIScrollView scrolls to that Field automatically is there any way to disable that iphone uiscrollview uitextfield.. UIFieldEditor scrollSelectionToVisible is called when a letter is typed into the UITextField. This method seems to act on the UIScrollView of the nearest ancestor of the UITextField. So on textFieldDidBeginEditing by wrapping the UITextField..
Recreate recipient bubble behaviour in Mail.app / Three20 http://stackoverflow.com/questions/5247072/recreate-recipient-bubble-behaviour-in-mail-app-three20 selected but I am struggling with getting the behaviour when it's part of a UITextField . How do you get the bubble to act as part of the UITextField text For example when you press the backspace button enough the bubble becomes highlighted and.. the answer would be great in Monotouch but Objective C answers are more than appreciated too. I'm not asking for the exact code though if you are willing to part with it then I won't say no D but rather how to achieve this. I'm aware of the Three20.. this. I'm aware of the Three20 project which has a similar element but I can't find where abouts in the code this is actually performed. I'm sorry if this doesn't make much sense I've kinda struggled to put this question elequantly please feel..
http://stackoverflow.com/questions/5347537/uipickerview-select-and-hide select and hide How do you make a UIPickerView act like the one with a webview wherein there is a drop down selection box and instead of dropping down like usual websites.. flexSpace UIBarButtonItem alloc initWithBarButtonSystemItem UIBarButtonSystemItemFlexibleSpace target self action nil barItems addObject flexSpace UIBarButtonItem doneBtn UIBarButtonItem alloc initWithBarButtonSystemItem UIBarButtonSystemItemDone.. UIBarButtonItem doneBtn UIBarButtonItem alloc initWithBarButtonSystemItem UIBarButtonSystemItemDone target self action @selector DatePickerDoneClick barItems addObject doneBtn mypickerToolbar setItems barItems animated YES share improve..
AESCrypt decryption between iOS and PHP http://stackoverflow.com/questions/6461419/aescrypt-decryption-between-ios-and-php keys with null bytes to make them 32 bytes. This might explain why your 16 byte key is being padded with 16 null characters. But when it comes to the actual act of encryption it's using AES 128 but with the 32 byte key. Say wha Converting tc.'s.. 32 bytes. This might explain why your 16 byte key is being padded with 16 null characters. But when it comes to the actual act of encryption it's using AES 128 but with the 32 byte key. Say wha Converting tc.'s Python to PHP base64encoded_ciphertext.. This might explain why your 16 byte key is being padded with 16 null characters. But when it comes to the actual act of encryption it's using AES 128 but with the 32 byte key. Say wha Converting tc.'s Python to PHP base64encoded_ciphertext..
How to dismiss keyboard for UITextView with return key? http://stackoverflow.com/questions/703754/how-to-dismiss-keyboard-for-uitextview-with-return-key library the introduction tells us that when the return key is pressed the keyboard for UITextView will disappear. But actually the return key can only act as ' n'. I can add a button and use txtView resignFirstResponder to hide the keyboard... that when the return key is pressed the keyboard for UITextView will disappear. But actually the return key can only act as ' n'. I can add a button and use txtView resignFirstResponder to hide the keyboard. But is there a way to add the action.. as ' n'. I can add a button and use txtView resignFirstResponder to hide the keyboard. But is there a way to add the action for the return key in keyboard so that I needn't add another button. iphone objective c keyboard uitextview iphone softkeyboard..
What major ASIHTTPRequest features is AFNetworking missing? http://stackoverflow.com/questions/7529258/what-major-asihttprequest-features-is-afnetworking-missing such operations has been halved. I also love the success and failure blocks. ASI has only a completion block which is actually the completion block of NSOperation . You had to check wether you had an error on completion and act accordingly. For.. which is actually the completion block of NSOperation . You had to check wether you had an error on completion and act accordingly. For complex web services you could get lost in all the ifs and elses In AFNetworking things are much more simple..
iPhone SDK on Windows (alternative solutions) http://stackoverflow.com/questions/928656/iphone-sdk-on-windows-alternative-solutions question You could easily build an app using PhoneGap or Appcelerators Titanium Mobile . Both of these essentially act as a WebKit wrapper so you can build your application with HTML CSS JavaScript. It's a pretty portable solution too but..
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