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我需要在视图中显示虚线圆圈。在Android视图中绘制虚线圆圈
我需要在视图中显示虚线圆圈。在Android视图中绘制虚线圆圈
尝试这种解决方案:
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(demoview);
}
private class DemoView extends View{
public DemoView(Context context){
super(context);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
Paint p = new Paint();
p.setColor(Color.RED);
DashPathEffect dashPath = new DashPathEffect(new float[]{5,5}, (float)1.0);
p.setPathEffect(dashPath);
p.setStyle(Style.STROKE);
canvas.drawCircle(100, 100, 50, p);
invalidate();
}
}
}
创建一个新的油漆和调用无效()中的每个的onDraw调用是一个坏主意! – LukaCiko 2015-01-19 14:12:05