2014/10/15 下午 10:09:57

iphone Programming Glossary: handlers

http://stackoverflow.com/questions/11028861/embed-or-object-tag-video-playback-error-handler-javascript

when a erroneous URL is passed to it I tried with embed tag but there is no scope of attaching onerror and onload handlers using embed tag. Is there a way to trigger JavaScript functions from within HTML using embed or object technique whenever..

Optimizing a drawing (with finger touches) application for iPhone SDK

http://stackoverflow.com/questions/1123306/optimizing-a-drawing-with-finger-touches-application-for-iphone-sdk

long and makes the path look jagged not smooth. My questions 1 Does drawRect on my UIView subclass and my touch event handlers on my UIView subclass get called in the same thread I.e. could I have to threads executing one in a touch event and the..

NSURLConnection NSURLRequest proxy for asynchronous web service calls

http://stackoverflow.com/questions/1959243/nsurlconnection-nsurlrequest-proxy-for-asynchronous-web-service-calls

connection setting up all the delegate methods etc. so I don't have to copy all those NSURLConnection delegate method handlers in each view. First of all is this design approach reasonable Second how would I go about doing something like that For..

Why does assert simply terminate a program compiled for iPhone?

http://stackoverflow.com/questions/2000977/why-does-assert-simply-terminate-a-program-compiled-for-iphone

a pattern as to when does it break and when does it terminate. The code is not threaded all it does is done in event handlers. EDIT um and the question is why does this happen and how do I make vanilla assert behave like a conditional breakpoint..

Quartz PDF API Causing Out of Memory Crashes

http://stackoverflow.com/questions/3088376/quartz-pdf-api-causing-out-of-memory-crashes

altogether is there something I should try or something I am missing View controller code that is called in interface handlers to swap pages and on first load self drawPage ...animation code...simple CATransition animation...crashes with or without..

Exit application in iOS 4.0

http://stackoverflow.com/questions/3097244/exit-application-in-ios-4-0

OK with apple and how can it be done iphone ios4 share improve this question No still shouldn't do this. You have handlers for the different stages so this is how you should do it. There's no point in exiting manually. If you restart the app ideally..

iPhone HTML5 App Scrolling Question

http://stackoverflow.com/questions/3128196/iphone-html5-app-scrolling-question

100 width item when the body margin is not zero. You can completely prevent scrolling and bounce by adding touch event handlers to the document and calling preventDefault on the event. This will effectively disable bounce if your web page completely..

What's the difference between the RootViewController, AppDelegate and the View Controller classes that I may create?

http://stackoverflow.com/questions/3626737/whats-the-difference-between-the-rootviewcontroller-appdelegate-and-the-view-c

iphone cocoa touch xcode apple share improve this question In general delegates can be thought of as event handlers. Accordingly the AppDelegate is the main event handler for your entire application. It is told when the application has..

How do you get the touchesBegan coordinates when a UIButton is triggered?

http://stackoverflow.com/questions/4506584/how-do-you-get-the-touchesbegan-coordinates-when-a-uibutton-is-triggered

the button triggers the touchesBegan method too iphone objective c ios ipad share improve this question Add event handlers to the button something like the following myButton addTarget self action @selector dragBegan withEvent forControlEvents..

Get previous run, crash logs on iPhone

http://stackoverflow.com/questions/4737701/get-previous-run-crash-logs-on-iphone

2010 05 handling unhandled exceptions and.html it's very simple and easy to use just register exception and signal handlers using NSSetUncaughtExceptionHandler HandleException signal SIGABRT SignalHandler signal SIGILL SignalHandler signal SIGSEGV..

Help Fix Memory Leak release

http://stackoverflow.com/questions/4914853/help-fix-memory-leak-release

dealloc #pragma mark vc lifecycle void viewDidAppear BOOL animated super viewDidAppear animated #pragma mark event handlers IBAction convertTapped id sender set up an AVAssetReader to read from the iPod Library NSURL assetURL song valueForProperty..

What's the best way to parse RSS/Atom feeds for an iPhone application?

http://stackoverflow.com/questions/566078/whats-the-best-way-to-parse-rss-atom-feeds-for-an-iphone-application

share improve this question Best is relative. The best performance you'll need to go the SAX route and implement the handlers. I don't know of anything out there open source available start a google code project and release it for the rest of us..

Background image that's scrollable and in synch with the UITable scrolling

http://stackoverflow.com/questions/6243296/background-image-thats-scrollable-and-in-synch-with-the-uitable-scrolling

value. have this background table view be its own delegate you have to make a subclass so to implement KVO listening handlers anyway and it populates empty cells' contentView.backgroundColor UIColor colorWithPatternImage ... make sure your 'front'..

UIScrollView prevents touchesBegan, touchesMoved, touchesEnded on view controller

http://stackoverflow.com/questions/7439273/uiscrollview-prevents-touchesbegan-touchesmoved-touchesended-on-view-controlle

. It was working fine. Then I added a scroll view UIScrollView as the top view in the hierarchy. Now my touch handlers on the view controller don't work. They don't get called. The interesting thing is I have various other UI components within.. some are custom views that define their own touchesBegan withEvent etc. The only thing that doesn't work is the touch handlers on the view controller. I thought maybe it's because the scroll view is intercepting those touches for its own purposes..

Scrolling with two fingers with a UIScrollView

http://stackoverflow.com/questions/787212/scrolling-with-two-fingers-with-a-uiscrollview

Patrick's suggestion is generally fine let your UIScrollView subclass know about your content view then in touch event handlers check the number of fingers and forward the event accordingly. Just be sure that 1 the events you send to content view don't..

Delegates vs. events in Cocoa Touch

http://stackoverflow.com/questions/8262997/delegates-vs-events-in-cocoa-touch

I'm trying to wrap my head around delegates. Specifically I don't see why delegate objects are needed instead of event handlers. For instance when the user presses a button it is handled with an event UITouchUpInside but when the user finishes inputting..

Why is object not dealloc'ed when using ARC + NSZombieEnabled

http://stackoverflow.com/questions/8408071/why-is-object-not-dealloced-when-using-arc-nszombieenabled

problems in my app b c NSNotificationCenter continues to send notifications to ActionsController and the resulting handlers cause the app to crash. I created a simple app illustrating this at https github.com xjones XJARCTestApp . Look at the console..

Setting a background image for a tabbar

http://stackoverflow.com/questions/8909379/setting-a-background-image-for-a-tabbar

self.view addSubview settingsButton self.view addSubview infoButton self.view addSubview aboutUsButton Setup event handlers so that the buttonClicked method will respond to the touch up inside event. settingsButton addTarget self action @selector..