Android Paint 基本方法

//設置畫筆
Paint paint = new Paint();

 //畫字String
設定顏色
paint.setColor(Color.BLACK)
paintTextA.setARGB(255, 200, 200, 200)

paint.setTextSize(45)//設定字體大小
paint.setAntiAlias(true)//無鋸齒效果

paint.setFakeBoldText(true); //true為粗體，false非粗體

paint.setTextSkewX(-0.5f); //負數表示右斜，正數左斜

paint.setUnderlineText(true); //true為下畫線，false為非下畫線

paint.setStrikeThruText(true); //true為刪除線，false非刪除線

canvas.drawText("Jacky And Justin", 150, 550, paint)

 //設置畫布底色
 _canvas.drawColor(Color.WHITE);

 //設置畫筆顏色
paint.setColor(Color.GRAY);
paint.setColor(Color.BLUE);

 //畫圓
 _canvas.drawCircle(160, 160, 150, paint);

 //畫方

 Rect rect = new Rect(100, 110, 150, 130);
 _canvas.drawRect(rect, paint);

 //畫圓角方
 RectF rectf = new RectF(200, 110, 220, 130);
 _canvas.drawRoundRect(rectf,10,10, paint);

 //畫弧
 RectF oval = new RectF(50, 150, 270, 250);
 _canvas.drawArc(oval, 180, -180, true, paint);

//畫圓環
paint.setAntiAlias(true);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(50);
_canvas.drawCircle(250.5f, 430.5f, 100.0f, paint);