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sloop
2016-03-23 21:44:02 +08:00
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CustomView/Base/[1]CoordinateSystem.md
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# 安卓中的坐标系
### 作者微博: [@GcsSloop](http://weibo.com/GcsSloop)
### [【本系列系列相关文章】](https://github.com/GcsSloop/AndroidNote/tree/master/CustomView)
### [【本系列相关文章】](https://github.com/GcsSloop/AndroidNote/tree/master/CustomView)
## 一.屏幕坐标系和数学坐标系的区别
由于移动设备一般定义屏幕左上角为坐标原点，向右为x轴增大方向，向下为y轴增大方向，