Modify the framework layer Operation Note of android

1. First, run ../build/envsetup. Sh in the project directory so that you can use the MM command later.

2. For example, to modify the files under services

CD frameworks/base/services/

Mm

3. Replace the modified File

After compilation, replace the corresponding file in/system/framework/on the mobile phone with the generated package.

$ ADB remount
$ CD out/target/product/General/system/framework/
$ ADB push services. Jar/system/framework/

4. Run the new file:

Method 1: ADB reboot restart

Method 2: Kill the services. Jar process and restart the system. This method is fast.

$ PS

Find the PID corresponding to services. jar, and assume it is 1219

$ Killed 1219