Android Framework Layer Learning notes (i)

Gross structure

Recently in the study of the development of the Android framework layer. First, a frame work of the source structure diagram

1 API folders are not clear, there is only one current.txt content in this directory that looks like code, first put

2 Cmds folder, as the name implies, is supported by Android command (commands)

The most obvious is that the first folder inside is AM, which corresponds to the AM command in Android.

The other commands are written in C and Java+c.

3 Core folder There are four files under this folder

Java

Jni

Res

Test

It looks like this is a relatively complete project,

Cond

Android Framework Layer Learning notes (i)