public Bitmap buildLongScreenshot() {
        try {
            Bitmap createBitmap = Bitmap.createBitmap(this.mLongBitmapDrawable.getIntrinsicWidth(), this.mTotalHeight, Bitmap.Config.ARGB_8888);
            drawLongScreenshot(new Canvas(createBitmap));
            return createBitmap;
        } catch (OutOfMemoryError e) {
            e.printStackTrace();
            return null;
        }
    }