Android:添加四个bezier圆角到视图

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Path;
import android.util.AttributeSet;
import android.view.View;

public class BezierCornerView extends View {
    private Paint paint;
    private Path path;

    public BezierCornerView(Context context) {
        super(context);
        init();
    }

    public BezierCornerView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public BezierCornerView(Context context, 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(0xFF000000); // 设置画笔颜色

        path = new Path();
    }

    @Override
    protected void onDraw(Canvas canvas) {
        int width = getWidth();
        int height = getHeight();

        // 设置四个贝塞尔曲线的控制点坐标
        float controlX = width / 4.0f;
        float controlY = height / 4.0f;
        float endX = width / 2.0f;
        float endY = height / 2.0f;

        // 移动到起始点
        path.moveTo(0, controlY);
        // 添加第一段贝塞尔曲线
        path.cubicTo(0, 0, 0, 0, controlX, 0);
        // 添加第二段贝塞尔曲线
        path.cubicTo(endX - controlX, 0, endX, 0, endX, controlY);
        // 添加第三段贝塞尔曲线
        path.cubicTo(endX, endY - controlY, endX, endY, endX - controlX, endY);
        // 添加第四段贝塞尔曲线
        path.cubicTo(0, endY, 0, endY, 0, endY - controlY);
        // 闭合路径
        path.close();

        // 绘制路径
        canvas.drawPath(path, paint);
    }
}

<com.example.myapp.BezierCornerView
    android:layout_width="200dp"
    android:layout_height="200dp" />