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Android App性能评测分析－cpu占用篇

1、前言很多时候在使用APP的时候，手机可能会发热发烫。这是因为CPU使用率过高，CPU过于繁忙，会使整个手机无法响应用户，整体性能降低，用户体验就会很差，也容易引起ANR等等一系列问题。以下会根据实际app性能测试案例，展开进行app性能评测之CPU使用率的分析和总结。 CPU使用率原理理解在...

Android App性能评测分析－内存篇

1、内存了解在Android App的性能优化的各个部分里，内存方面的知识较多且不易理解，内存的问题绝对是最令人头疼的一部分，需要对内存基础知识、内存分配、内存管理机制等非常熟悉，才能排查问题。 1.1 了解进程的地址空间在32位操作系统中，进程的地址空间为0到4GB,这里主要说明一下Stack...

Android App性能评测分析－网络流量篇

1、前言移动互联网发展到现在，虽然用户的联网方式已经完成了3G/4G网络依赖到Wifi依赖的转变，但是过多以及没有经过处理的网络请求，会消耗用户的网络流量,造成用户流量费用（金钱）的损失，高流量的消耗必然导致非WIFI场景用户的流失，流量测试在性能评测中势必会占较大的权重。下面会根据实际app性...

Android App性能评测分析-启动时间篇

1、前言随着项目版本的迭代，App的性能问题会逐渐暴露出来，而好的用户体验与性能表现紧密相关，性能问题从应用的启动优化开始，下面会根据实际app性能测试案例，进行app性能评测之启动时间的分析和总结。 2、App启动方式了解通常来说, 一个App启动也会分如下三中不同的状态: 冷启动当启动应用...

Android性能分析

场景说明程序通过top指令，查询性能如下：CPU%:29% VSS:1291636K RSS:80496K 应该如何分析这些数据，然后得出优化的结论。数据项说明 VSS:(跟ps指令VSZ数据显示列是一致的）当前进程访问的地址空间。该值包含了没有进驻RAM的内存值，例如...

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