画图

private Bitmap getbitmap(String content) {
    Bitmap bitmap = Bitmap.createBitmap(400, 400, Bitmap.Config.ARGB_8888);//创建一个宽度和高度都是400、32位ARGB图
    Canvas canvas = new Canvas(bitmap);//初始化画布绘制的图像到icon上
    canvas.drawColor(Color.WHITE);
   /* Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);//创建画笔
    paint.setTextSize(50.0f);//设置文字的大小
    paint.setTypeface(Typeface.DEFAULT_BOLD);//文字的样式(加粗)
    paint.setColor(Color.GRAY);//文字的颜色
    canvas.drawText(content, 10, 200, paint);//将文字写入。这里面的（120，130）代表着文字在图层上的初始位置
    canvas.save(canvas.ALL_SAVE_FLAG);//保存所有图层
    canvas.restore();*/

    TextPaint  textPaint = new TextPaint();
    textPaint.setColor(Color.GRAY);
    textPaint.setTextSize(50.0F);
    StaticLayout layout = new StaticLayout(content,textPaint,400, Layout.Alignment.ALIGN_NORMAL,1.0F,0.0F,true);
    canvas.save();
    canvas.translate(10, 150);
    layout.draw(canvas);
    canvas.restore();

    return bitmap;
}