DepthRelativeLayout.java 文件源码

private void initView(AttributeSet attrs) {

        setLayerType(LAYER_TYPE_HARDWARE, null);

        edgePaint.setColor(DEFAULT_EDGE_COLOR);
        edgePaint.setAntiAlias(true);
        if (attrs != null) {
            TypedArray arr = getContext().obtainStyledAttributes(attrs, R.styleable.DepthRelativeLayout);
            edgePaint.setColor(arr.getInt(R.styleable.DepthRelativeLayout_depth_edgeColor, DEFAULT_EDGE_COLOR));
            setIsCircle(arr.getBoolean(R.styleable.DepthRelativeLayout_depth_isCircle, false));
            depth = arr.getDimension(R.styleable.DepthRelativeLayout_depth_value, DEFAULT_THICKNESS * getResources().getDisplayMetrics().density);
            depthIndex = arr.getInteger(R.styleable.DepthRelativeLayout_depth_zIndex, depthIndex);
            animationDelay = arr.getInteger(R.styleable.DepthRelativeLayout_depth_animationDelay, animationDelay);
            customShadowElevation = arr.getDimension(R.styleable.DepthRelativeLayout_depth_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) {

            }
        });
    }