自定义view

package com.example.godvlean;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.OvalShape;
import android.view.View;

public class MyCircleView extends View {

    private ShapeDrawable shapeDrawable;
    private Paint paint;

    public MyCircleView(Context context) {
        super(context);

        shapeDrawable = new ShapeDrawable(new OvalShape());
        shapeDrawable.getPaint().setColor(Color.RED);//指定颜色
        shapeDrawable.setBounds(10, 10, 200, 100);//指定位置

        paint = new Paint();
        paint.setColor(Color.BLUE); //颜色
        paint.setTextSize(20);//字体大小
        paint.setTypeface(Typeface.DEFAULT_BOLD);//粗体字
        paint.setAntiAlias(true);//消除锯齿
    }
    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);

        //画绿色背景
        canvas.drawColor(Color.GREEN);
        //画椭圆
        shapeDrawable.draw(canvas);//将自己画到画布上
        //画文本
        canvas.drawText("666", 10, 120, paint);
    }


}