Drawing a scrolled bitmap.

gistfile1.java

    @Override protected void dispatchDraw(Canvas canvas) {
        super.dispatchDraw(canvas);

        if (mDragMode && mBitmap != null) {
            //Log.v("DG", "dispatchDraw matrix " + mMatrix);
            canvas.drawBitmap(mBitmap, mMatrix, new Paint());
        }
   }