在进行与运算前,先要进行移位操作 (alpha << 24) | (red << 16) | (green <<8) | blue
既然Color是由四个byte组成的,也就可以单独取出其中的通道值:
int alpha = Color.alpha(xxx); int red = Color.red(xxx); int green = Color.greed(xxx); int blue = Color.blue(xxx);
int alpha = Color.alpha(xxx); int red = Color.red(xxx); int green = Color.greed(xxx); int blue = Color.blue(xxx);