([Training Materials of Android Master Gao Huantang] Gao Huantang is the chairman of the Asia Pacific Android Technology Conference and the chairman of the Android Forum. He has published more than 300 articles on Android core technology in Chinese and Japanese. Android Architect's Manual - Modeling and Graphic Thinking and Flexible Use of Android's IPC Mechanism and Binder Framework. Boutique products can't be missed! This document includes the following annexes:)