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[MacOS develop] StatusBarDemo DL : 0: iphone programmer book status bar example code
Date : 2025-12-24 Size : 574kb User : alex
[MacOS develop] aip DL : 0: You use an AVPlayer object to implement controllers and user interfaces for single- or multiple-item playback. The multiple-item case supports advanced behaviors. AVPlayer works equally well with local and remote media files, providing you with appropriate information about readiness to play or about the need to await additional data before continuing. You can display the visual content of items played by an instance of AVPlayer in a CoreAnimation layer of class AVPlayerLayer to synchronize real-time playback with other CoreAnimation layers, you can use AVSynchronizedLayer. You cannot use an instance of AVVideoCompositionCoreAnimationTool with an AVPlayer object for offline rendering you should instead use AVAssetExportSession. You can observe the status of a player using key-value observing. So that you can add and remove observers safely, -You use an AVPlayer object to implement controllers and user interfaces for single- or multiple-item playback. The multiple-item case supports advanced behaviors. AVPlayer works equally well with local and remote media files, providing you with appropriate information about readiness to play or about the need to await additional data before continuing. You can display the visual content of items played by an instance of AVPlayer in a CoreAnimation layer of class AVPlayerLayer to synchronize real-time playback with other CoreAnimation layers, you can use AVSynchronizedLayer. You cannot use an instance of AVVideoCompositionCoreAnimationTool with an AVPlayer object for offline rendering you should instead use AVAssetExportSession. You can observe the status of a player using key-value observing. So that you can add and remove observers safely,
Date : 2025-12-24 Size : 135kb User : doitbest
[MacOS develop] checkPointShow DL : 0: 对一些点进行检查是否隐藏，并可以修改某些点的显示状态-Some point to check whether to hide, and you can modify the display status at some point
Date : 2025-12-24 Size : 78kb User : jph
[MacOS develop] Trigger-master DL : 0: Android L 中新增的 JobScheduler 吗，就像其名字所表示的，你可以定义自己的作业，然后在某些条件下执行，例如是充电时、断网时或者设备空闲时等等。这是非常棒的特性，但只在 API 21 上才有效，老版本怎么办呢？你现在可以试试 Trigger。 Trigger 的特性单个作业支持多个条件组合内部条件：充电中＼无法检测网络状态＼设备空闲支持作业持久化，这意味着可在设备重启时触发支持作业截止时间可根据配置在后台或者主线程中运行作业- JobScheduler which is new added in Android Lollipop version? It is a job scheduler as its name. Define your own job, which need some conditions to happen, suit it up with such as device charging or unmeterred network(just like wifi, what else we have?) or device idle status, then throw it to the JobScheduler framework, your job will happen while all these conditions are satisfied. Awesome feature, isn t it? But a pity is it s only available above API 21. So I try my best to copy it to API 14 and named it Trigger.
Date : 2025-12-24 Size : 167kb User : huanghuichun