引自:http://blog.csdn.net/carlfan/article/details/8139984 1.首先说一下canvas类: Class Overview The Canvas class holds the "draw" calls. To draw something, you need 4 basic components: A Bitmap to hold the pixels, a Canvas to host the draw calls (writing
Android利用canvas画各种图形(点.直线.弧.圆.椭圆.文字.矩形.多边形.曲线.圆角矩形) 本文链接:https://blog.csdn.net/rhljiayou/article/details/72126201.首先说一下canvas类:Class OverviewThe Canvas class holds the "draw" calls. To draw something, you need 4 basic components: A Bitmap to hol
1.首先说一下canvas类: Class Overview The Canvas class holds the "draw" calls. To draw something, you need 4 basic components: A Bitmap to hold the pixels, a Canvas to host the draw calls (writing into the bitmap), a drawing primitive (e.g. Rect, Path,
SurfaceView使用介绍 SurfaceView是View的一个特殊子类,它的目的是另外提供一个线程进行绘制操作. 要使用SurfaceView进行绘制,步骤如下: 1.用SurfaceView进行绘制,首先要创建一个类,继承 SurfaceView,同时这个类应该实现SurfaceHolder.Callback接口. 这个接口中的三个回调函数(surfaceChanged(SurfaceHolder holder, int format, int width, int height),s