mtk 的andoid平台蓝牙库源代码，和android自带蓝牙库差别很大，做底层开发的可以参考。-mtk andoid platform the Bluetooth library source code, and android comes great difference between Bluetooth library, you can do the underlying development reference.

基于MTK架构的安卓手电筒应用与驱动开发-Based on MTK architecture of android flashlight application and driver development