GuideView.java 文件源码

public void init() {

        mBackgroundPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mBackgroundPaint.setStyle(Paint.Style.FILL_AND_STROKE);
        mBackgroundPaint.setColor(mBackgroudColor);

        mFocusPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mFocusPaint.setStyle(Paint.Style.FILL_AND_STROKE);
        mFocusPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
        if (mBlurRadius > 0)
            mFocusPaint.setMaskFilter(new BlurMaskFilter(mBlurRadius, BlurMaskFilter.Blur.NORMAL));

        setLayoutParams(new ViewGroup.LayoutParams(
                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));

        if (mTipsView == null && mTipsViewResId != 0)
            mTipsView = LayoutInflater.from(mContext).inflate(mTipsViewResId, this, false);

        addView(mTipsView);
        setVisibility(View.GONE);
        setBackgroundColor(Color.TRANSPARENT);

        mTargetView.getViewTreeObserver().addOnGlobalLayoutListener(this);
    }