RecyclerViewItemDecoration.java 文件源码

private void initPaint(Context context) {

        this.mBmp = BitmapFactory.decodeResource(context.getResources(), mDrawableRid);
        if (mBmp != null) {

            if (mBmp.getNinePatchChunk() != null) {
                hasNinePatch = true;
                mNinePatch = new NinePatch(mBmp, mBmp.getNinePatchChunk(), null);
            }

            if (mMode == RVItemDecorationConst.MODE_HORIZONTAL)
                mCurrentThickness = mThickness == 0 ? mBmp.getHeight() : mThickness;
            if (mMode == RVItemDecorationConst.MODE_VERTICAL)
                mCurrentThickness = mThickness == 0 ? mBmp.getWidth() : mThickness;
        }

        mPaint = new Paint();
        mPaint.setColor(mColor);
        mPaint.setStyle(Paint.Style.STROKE);
        mPaint.setStrokeWidth(mThickness);
    }