自定义View，重写onDraw()

  @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        Paint paint  = new Paint();
        paint.setStyle(Paint.Style.STROKE);
        paint.setColor(Color.parseColor("#ff99cc"));
        paint.setStrokeWidth(5);

        Path path = new Path();

        //nose
        path.addOval(200,200,300,350, Path.Direction.CW);
        //
        path.addOval(215,260,235,280, Path.Direction.CW);
        path.addOval(265,270,285,290, Path.Direction.CW);

        path.moveTo(250,350);
        path.cubicTo(250,350,280,380,320,380);

        //face
        path.moveTo(250,200);
        path.cubicTo(250,200,550,200,560,380);
        path.cubicTo(560,380,560,500,450,510);
        path.cubicTo(450,510,280,520,320,380);

        //eyes
        path.addCircle(350,260,25, Path.Direction.CW);
        path.addCircle(420,285,25, Path.Direction.CW);

        //ear
        path.moveTo(420,230);
        path.cubicTo(400,140,460,130,440,230);

        path.moveTo(470,260);
        path.cubicTo(450,140,520,130,490,260);

        //mouth
        path.moveTo(330,410);
        path.cubicTo(340,450,400,460,430,420);

        canvas.drawPath(path,paint);

        Paint fillPaint = new Paint();
        fillPaint.setStyle(Paint.Style.FILL);
        canvas.drawCircle(345,255,7,fillPaint);
        canvas.drawCircle(415,280,7,fillPaint);

    }

image.png