DepthFAB.java 文件源码

private void initView(AttributeSet attrs) 
{

       edgePaint.setColor(DEFAULT_EDGE_COLOR);
       edgePaint.setAntiAlias(true);
       if (attrs != null)
    {
           TypedArray arr = getContext().obtainStyledAttributes(attrs, R.styleable.DepthView);
           edgePaint.setColor(arr.getInt(R.styleable.DepthView_edge_color, DEFAULT_EDGE_COLOR));
           setIsCircle(arr.getBoolean(R.styleable.DepthView_is_circle, false));
           depth = arr.getDimension(R.styleable.DepthView_depth, DEFAULT_THICKNESS * getResources().getDisplayMetrics().density);
           customShadowElevation = arr.getDimension(R.styleable.DepthView_custom_elevation, 0);
       }
    else
    {
           edgePaint.setColor(DEFAULT_EDGE_COLOR);
           depth = DEFAULT_THICKNESS * getResources().getDisplayMetrics().density;
       }

       setOutlineProvider(new ViewOutlineProvider() 
    {
        @Override
        public void getOutline(View view, Outline outline)
        { }
    });
   }