用Android代码编写自定义可根据左右上顶点变化的椭圆
时间: 2023-02-02 21:41:45 浏览: 63
您可以使用Canvas和Paint类在Android中绘制自定义椭圆。以下是一个示例代码:
```
public class CustomOvalView extends View {
private Paint paint;
public CustomOvalView(Context context) {
super(context);
init();
}
public CustomOvalView(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
init();
}
public CustomOvalView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init();
}
private void init() {
paint = new Paint();
paint.setAntiAlias(true);
paint.setStyle(Paint.Style.FILL);
paint.setColor(Color.RED);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
int width = getWidth();
int height = getHeight();
canvas.drawOval(0, 0, width, height, paint);
}
}
```
通过改变`width`和`height`的值,您可以控制椭圆的形状。