干货 android UI框架分析

android UI 框架分析

1.Android 图形系统

2.自定义 View 的使用

3.动画系统

4.Resource

int fbfd = open("/dev/graphics/fb0", O_RDWR);

unsigned short int *buffer=(unsigned short int *) mmap(0, screensize,

PROT_READ | PROT_WRITE, MAP_SHARED, fbfd, 0);

PhoneWindow

viewRoot

Activity

windowManager

opengles