优化iPhone应用程序启动时间 [英] Optimizing iPhone Application Launch Time

问题描述

iPhone的任何人都知道，有些应用程式会快速启动，而其他应用程式则需要几秒钟。

As anyone with an iPhone knows, some applications launch quickly, while others take several seconds.

确保iPhone应用程式启动并成为可用的最佳技术

What are the best techniques for ensuring an iPhone app launches and becomes usable in a snappy manner?

推荐答案

Apple建议您延迟加载每个视图。也就是说

Apple recommends you "lazy load" every view. I.e. only load the first page on start up, and other pages only when they are navigated to.

在图形方面，尽可能使用PNG作为设备进行了大量优化，这种格式。

In terms of graphics, use PNGs wherever possible as the device is heavily optimized for this format.

还包括启动屏幕截图，以便用户知道应用程序正在加载。

Also include the startup screenshot so the user knows the application is loading.

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