码迷,mamicode.com
首页 > 移动开发 > 详细

Android笔记-Dalvik VM-1

时间:2014-10-27 17:06:39      阅读:218      评论:0      收藏:0      [点我收藏+]

标签:des   android   blog   http   io   ar   for   sp   on   

Dalvik Virtual Machine (good on limited hardware)

 

Duplicate data used in class files is included only once in the .dex output, which saves space and uses less overhead.

The executable files can be modified again when you install an application to make things even more optimized for mobile. Things like byte order swapping and linking data structure and function libraries inline make the files smaller and run better on our devices.

The Dalvik VM was written from square one with Android in mind.

 

It‘s register-based.

 bubuko.com,布布扣bubuko.com,布布扣

 

It‘s designed for the limited memory.

bubuko.com,布布扣

 

.dex file‘s size is small.

bubuko.com,布布扣

 

Powered by a battery (so has battery constraint)

 

Platform security are protected by process bound.

 

Advice on programming on android:

1. When you are waiting for input, sleep.

2. Looping. From good to bad:

 

bubuko.com,布布扣

Android笔记-Dalvik VM-1

标签:des   android   blog   http   io   ar   for   sp   on   

原文地址:http://www.cnblogs.com/HenryThinker/p/4054369.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!