multitasking

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iPhone screen shots in background

Is it possible to take screenshots in the background? I was using UIGetScreenImage(), but in the console it outputs that your not allowed to take screenshots in the background. Any way to get this开发[详细]

2023-02-28 14:12 分类：问答
How can an iOS app run a function in the background in a recurring manner (i.e. once an hour)?

On devices which support multitasking, I\'d like my iOS app to run a function in the \'background\' when the app is not running (i.e. it\'s suspended). I know that iOS supports running tasks in开发者_[详细]

2023-02-28 11:15 分类：问答
How to add background process in iphone? [duplicate]

This question already has answers here: Closed 11 years ago. Poss开发者_如何学Pythonible Duplicate:[详细]

2023-02-27 17:59 分类：问答
Grabbing the UIPasteboard like Pastebot while running in the background

I know this is possible as Tapbots Pastebot does this. I am trying to grab the UIPasteboard when my iPhone app is running in the background and add it to a UITableView just as Pastebot does but I am a[详细]

2023-02-26 20:32 分类：问答
UIScrollView problem on iPad with Multitasking gestures enabled (iOS 4.3)

I\'ve searched the web and can\'t find any answer. I\'ve got a simple UIScrollView with couple of UIImageViews. ScrollView is setup in IB with开发者_运维技巧 pagingEnabled = YES then in controller I[详细]

2023-02-22 22:21 分类：问答
What are causes of freezing in an iOS app after returning from background?

This is very difficult issue, since it doesn\'t occur every time. When an app is just launched, returning from background, it is fine without any freezing.[详细]

2023-02-22 12:42 分类：问答
Iphone thread priorities

My application processes audio in its own thread and uses AudioUnits to play the buffers. When my app enters the background I start to hear quiet a few glitches from my audio.[详细]

2023-02-21 05:09 分类：问答
Reloading modified view with multitasking

This question is a result of another one in which开发者_如何学C i didn\'t knew how to update NSUserDefaults from a Settings bundle with multitasking. Now i do (thanks to @mvds), placing the refreshDef[详细]

2023-02-20 17:26 分类：问答
Which methods are called when user presses home button and double presses it again to return

I want to know which methods (events) are called when user presses home button and double presses it aga开发者_JAVA百科in to return to my app.applicationDidEnterBackground[详细]

2023-02-20 04:52 分类：问答
Lua: preemtive (not cooperative) multitasking in Lua with thread-like structures

I was wondering whether Lua has any preemptive multitasking facilities built-in. I would like to have concurrent threads to use on my multi-core system.[详细]

2023-02-19 19:55 分类：问答