本文实例为大家分享了android canvas使用line画半圆具体代码，供大家参考，具体内容如下
LineView.java
public class LineView extends View {
private int progress = 0;
private int max = 100;
private int roundWidth = 50;
public LineView(Context context) {
super(context);
}
public LineView(Context context, AttributeSet attr
