Android anr分析的相关内容

文章 2024-07-03 来自：开发者社区

Android性能优化面试题经典之ANR的分析和优化

本文首发于公众号“AntDream”，欢迎微信搜索“AntDream”或扫描文章底部二维码关注，和我一起每天进步一点点造成ANR的条件以下四个条件都可以造成ANR发生： InputDispatching Timeout：5秒内无法响应屏幕触摸事件或键盘输入事件 BroadcastQueue Timeout ：在执行前台广...

文章 2022-09-26 来自：开发者社区

Android卡顿优化 | ANR分析与实战（附ANR-WatchDog源码分析及实战、与AndroidPerformanceMonitor的区别）

本文要点ANR概述发生ANR后Android系统的执行流程ANR-WatchDog原理与实战ANR的传统解决套路ANR模拟实战线上ANR监控方案【ANR-WatchDog原理分析】ANR-WatchDog实战ANR-WatchDog总结ANR-WatchDog与AndroidPerformanceMonitor的区别项目GitHubANR概述KeyDispatchTimeout，5s即按键或者触....

文章 2022-06-13 来自：开发者社区

Android ANR分析（trace文件的产生流程）

ANR信息获取（trace文件的产生流程）首先收集需要dump trace的进程并给对应进程发送dump trace的信号接着分析最后一步向收集到的进程发送信号首先收集需要dump trace的进程并给对应进程发送dump trace的信号1.当一些带有超时机制的系统消息（如：Service的创建）判定超时后，会调用系统服务AMS接口，收集ANR相关信息并存档（data/anr/trace, d....

文章 2022-02-17 来自：开发者社区

看完这篇 Android ANR 分析，就可以和面试官装逼了！

ANR概述首先，ANR(Application Not responding)是指应用程序未响应，Android系统对于一些事件需要在一定的时间范围内完成，如果超过预定时间能未能得到有效响应或者响应时间过长，都会造成ANR。ANR由消息处理机制保证，Android在系统层实现了一套精密的机制来发现ANR，核心原理是消息调度和超时处理。其次，ANR机制主体实现在系统层。所有与ANR相关的消...

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更新时间 2024-07-04 08:42:03

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