Android耗时的相关内容

文章 2022-05-10 来自：开发者社区

Android启动优化之精确测量启动各个阶段的耗时

1. 直观地观察应用启动时长我们可以通过观察logcat日志查看Android应用启动耗时，过滤关键字"Displayed"：ActivityTaskManager: Displayed com.peter.viewgrouptutorial/.activity.DashboardActivity: +797ms启动时长(在这个例子中797ms)表示从启动App到系统认为App启动完成所花费的时....

文章 2022-05-08 来自：开发者社区

Android系统是如何计算应用启动耗时的？能否更精准定位性能瓶颈呢？

1. 直观地观察应用启动时长我们可以通过观察logcat日志查看Android应用启动耗时，过滤关键字"Displayed"：❝ActivityTaskManager: Displayed com.peter.viewgrouptutorial/.activity.DashboardActivity: +797ms❞启动时长(在这个例子中797ms)表示从启动App到系统认为App启动完成所花费....

文章 2019-09-02 来自：开发者社区

Android Activity启动耗时统计方案

Android Activity启动耗时统计方案 Activity的启动速度是很多开发者关心的问题，当页面跳转耗时过长时，App就会给人一种非常笨重的感觉。在遇到某个页面启动过慢的时候，开发的第一直觉一般是onCreate执行速度太慢了，然后在onCreate方法前后记录下时间戳计算出耗时。不过有时候即使把onCreate方法的耗时优化了，效果仍旧不明显。实际上影响到Activity启动速度的.....

问答 2016-05-30 来自：开发者社区

Android 更新UI 耗时问题

假如现在我得到了某个List,里面有1000个字符串，然后我想我在主线程中按下某个Button之后，把它们都动态地加载到UI上来，完全是用代码动态添加的布局，然后执行的时候发现有点耗时。现在有两个问题： 1.有没有什么机制可以让它加载地更快，因为发现更新UI的语句只能在主线程执行，但是耗时的本身就是这些语句 2.如果一定得耗时，我想在加载的时候显示一个progressDialog,更新UI语句....

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更新时间 2022-07-27 16:57:42

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