super.onDraw(canvas);
canvas.drawColor(0xff000000);
mPaint.setTextSize(mRandom.nextInt(40) + 10);
mPaint.setColor(0xff000000 + mRandom.nextInt(0x1000000));
int x = mRandom.nextInt(getWidth()) - (getWidth()/2);
int y = mRandom.nextInt(getHeight());
canvas.drawText("abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ",
x, y, mPaint);