Many Android Developers have passed the preliminary and intermediate stages. How can they become an android master? Eoeandroid classifies programmers of all levels as follows.
I. Beginner
1. Have a skillful Java Foundation and understand design patterns, such as the factory model of OOP language.
2. Master the use of Android UI controls and Android Java-layer APIs.
To the intermediate level, it is best to update the Java technology again, master the Java concurrent library, NiO library, proficient in XML and JSON parsing, and have done socket c/s-side programs.
Ii. Intermediate
1. Familiar with ndk JNI development and familiar with Android framework.
2. Porting some open-source projects, such as FFMPEG and mplayer, to Android.
Advanced, familiar with the android open-source code structure, and lower-layer middleware libraries, such as WebKit, opencore, and OpenGL.
Iii. Advanced
1. proficient in Linux driver development and Linux kernel structure.
2. Master Android transplantation, such as hardware transplantation of Ti OMAP and Qualcomm MSM.
To the top level, you can easily find 10 methods of the root system to help Google improve the Android operating system by discovering the 0-day vulnerability in the Android system.