系统app开发的相关链接

https://blog.51cto.com/u_15091798/2782966

http://wuxiaolong.me/2021/03/29/AndroidFramework/

https://www.cnblogs.com/l2rf/p/5212193.html

https://juejin.cn/s/android%20%E7%B3%BB%E7%BB%9F%E5%BA%94%E7%94%A8%E5%BC%80%E5%8F%91

https://cxybb.com/article/zjy764219923/88396561

https://androidperformance.com/2018/11/01/android-system-develop-0/

https://codeantenna.com/a/U8Y7QwOKYa

https://melrose1994.com/index.php/2021/01/12/android-framework%E5%BC%80%E5%8F%91-%E6%9B%BF%E6%8D%A2%E7%B3%BB%E7%BB%9F%E7%9A%84%E9%BB%98%E8%AE%A4%E5%BA%94%E7%94%A8/