/**
     * 自定义marker点击弹窗内容
     *
     * @param marker
     * @return
     */
    @Override
    public View getInfoWindow(final Marker marker) {
        View view = getLayoutInflater().inflate(R.layout.poikeywordsearch_uri,
                null);
        TextView title = (TextView) view.findViewById(R.id.title);
        title.setText(marker.getTitle());

        TextView snippet = (TextView) view.findViewById(R.id.snippet);
        int index = mPoiOverlay.getPoiIndex(marker);
        float distance = mPoiOverlay.getDistance(index);
        String showDistance = Utils.getFriendlyDistance((int) distance);
        snippet.setText("距当前位置" + showDistance);
        ImageButton button = (ImageButton) view
                .findViewById(R.id.start_amap_app);
        // 调起导航
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startAMapNavi(marker);
            }
        });
        return view;
    }
    
     /**
     * 驾车路径规划计算,计算单条路径
     */
    private void calculateDriveRoute(NaviLatLng start, NaviLatLng end) {
        int strategyFlag = 0;
        List<NaviLatLng> startList = new ArrayList<NaviLatLng>();
        /**
         * 途径点坐标集合
         */
        List<NaviLatLng> wayList = new ArrayList<NaviLatLng>();
        /**
         * 终点坐标集合［建议就一个终点］
         */
        List<NaviLatLng> endList = new ArrayList<NaviLatLng>();
        try {
            strategyFlag = mAMapNavi.strategyConvert(true, false, false, true, false);
        } catch (Exception e) {
            e.printStackTrace();
        }
        startList.add(start);
        endList.add(end);
        mAMapNavi.calculateDriveRoute(startList, endList, wayList, strategyFlag);
    }