beginbackgroundtaskwithexpirationhandler

beginbackgroundtaskwithexpirationhandler

I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler. Apple shows in their examples to use it in applicationDidEnterBackground delegate, to get more time to complete some important task, usually a network transaction.

相關軟體 Sandra Lite 下載

介面為繁體中文,軟體內容豐富,功能十分強大。此軟體為系統工具,在硬體、軟體、性能上的測試都很完整。詳細的功能包括遠端分析、基準調查、診斷個人電腦、伺服器、手機裝置和區域網路的特徵等等。 工具類別:電腦維修類--創建報告、性能指標、分析與建議、電腦高強度疲勞測試、系統環境監測。養護中的應用--添加新模組、連接到一個資訊源、軟體註...

了解更多 »

  • Tour Start here for a quick overview of the site Help Center Detailed answers to any quest...
    iphone - beginBackgroundTaskWithExpirationHandler - Stack ...
    https://stackoverflow.com
  • I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler....
    ... Proper use of beginBackgroundTaskWithExpirationHandler ...
    https://stackoverflow.com
  • A handler to be called shortly before the app’s remaining background time reaches 0. You s...
    beginBackgroundTaskWithExpirationHandler: - UIApplication | ...
    https://developer.apple.com
  • 上面代码开启了一个定时器,每隔一秒输出count的值,但当我们的应用退到前台后定时器停止运行,我们可以通过函数beginBackgroundTaskWithExpirationHa...
    IOS后台任务 - 幸福小弥 - 博客园
    http://www.cnblogs.com
  • 12.2.2. 方案 使用UIApplication的beginBackgroundTaskWithExpirationHandler: 实例方法。在你完成任务后,调用UIAppl...
    beginBackgroundTaskWithExpirationHandler - CSDN博客
    http://blog.csdn.net
  • Most apps do not need to subclass UIApplication. Instead, use an app delegate to manage in...
    UIApplication - UIKit | Apple Developer Documentation
    https://developer.apple.com
  • Background execution in iOS up vote 8 down vote favorite 2 The following class BackgroundE...
    swift - Background execution in iOS - Code Review Stack Exchange
    https://codereview.stackexchan
  • Posts about beginBackgroundTaskWithExpirationHandler written by Ans ... Background process...
    beginBackgroundTaskWithExpirationHandler « Aasim's Web ...
    https://aasims.wordpress.com
  • 正常程序退出后,会在几秒内停止工作;要想申请更长的时间,需要用到beginBackgroundTaskWithExpirationHandlerendBackgroundTask一...
    beginBackgroundTaskWithExpirationHandler - 简书 - 创作你的创 ...
    http://www.jianshu.com
  • beginBackgroundTaskWithExpirationHandler: method. If you do not, the system may kill your ...
    潮宅的惡搞專區: 讓你的iOS App有條件的在背景執行一些東西
    http://trendyotaku.blogspot.co