如何擦除由画布绘制的图像？

Question

@Override 
    protected void onDraw(Canvas canvas) { 
    // TODO Auto-generated method stub 
     Log.d("dd","draw"); 

      mBitmap=BitmapFactory.decodeResource(this.getResources(),R.drawable.image1); 

      canvas.drawBitmap(mBitmap, srcRect,dstRect,null); 
      mBitmaps=BitmapFactory.decodeResource(this.getResources(),R.drawable.paintball); 
       canvas.drawBitmap(mBitmaps, 180,200,null); 
     } 

Answer 1

Canvas.drawColor(Color.BLACK) 

或您的bg颜色。