高德导航过程中实时获取道路信息_高德地图获取道路曲率信息

通过高德导航位置信息的回调， 在规划路线上获取道路信息， 以及道路拥堵状态。

    @Override
    public void onLocationChange(AMapNaviLocation aMapNaviLocation) {

        int curStepIndex = aMapNaviLocation.getCurStepIndex();
        int curLinkIndex = aMapNaviLocation.getCurLinkIndex();
        List<AMapNaviStep> steps = mAMapNavi.getNaviPath().getSteps();
        AMapNaviStep aMapNaviStep = steps.get(curStepIndex);
        List<AMapNaviLink> links = aMapNaviStep.getLinks();


        if(links != null && links.size() > 0) {
            AMapNaviLink link = links.get(curLinkIndex);
            String roadName = link.getRoadName();
            int roadType = link.getRoadType();
            int roadClass = link.getRoadClass();
            int linkType = link.getLinkType();
            int trafficStatus = link.getTrafficStatus();
            Log.e("888", "name : " + roadName
                    + " | roadType : " + getRoadType(roadType)
                    + " | roadclass : " + getRoadClass(roadClass)
                    + " | linkType : " + getLinkType(linkType)
                    + " | trafficState : " + getTrafficState(trafficStatus));
        }
    }
    public String getRoadClass (int roadClass) {

        String roadClassStr = "";

        switch (roadClass) {
            case 0:
                roadClassStr = "高速公路";
                break;
            case 1:
                roadClassStr = "国道";
                break;

            case 2:
                roadClassStr = "省道";
                break;

            case 3:
                roadClassStr = "乡道";
                break;

            case 4:
                roadClassStr = "乡公路";
                break;

            case 5:
                roadClassStr = "县乡村内部道路";
                break;
            case 6:
                roadClassStr = "主要大街、城市快速道";
                break;
            case 7:
                roadClassStr = "主要道路";
                break;
            case 8:
                roadClassStr = "次要道路";
                break;
            case 9:
                roadClassStr = "普通道路";
                break;
            case 10:
                roadClassStr = "非导航道路";
                break;

            default:
                roadClassStr = "未知";
                break;
        }
        return roadClassStr;
    }

    public String getRoadType(int roadType) {
        String roadTypeStr = "";

        switch (roadType) {
            case 1:
                roadTypeStr = "主路";
                break;

            case 2:
                roadTypeStr = "路口内部道路";
                break;

            case 3:
                roadTypeStr = "JCT道路";
                break;

            case 4:
                roadTypeStr = "环岛";
                break;

            case 5:
                roadTypeStr = "服务区";
                break;
            case 6:
                roadTypeStr = "匝道";
                break;
            case 7:
                roadTypeStr = "辅路";
                break;
            case 8:
                roadTypeStr = "匝道与JCT";
                break;
            case 9:
                roadTypeStr = "出口";
                break;
            case 10:
                roadTypeStr = "入口";
                break;

            case 11:
                roadTypeStr = "A类右转专用道";
                break;
            case 12:
                roadTypeStr = "B类右转专用道";
                break;
            case 13:
                roadTypeStr = "A类左转专用道";
                break;

            case 14:
                roadTypeStr = "B类左转专用道";
                break;

            case 15:
                roadTypeStr = "普通道路";
                break;

            case 16:
                roadTypeStr = "左右转专用道";
                break;

            case 17:
                roadTypeStr = "非机动车借道路";
                break;

            case 56:
                roadTypeStr = "服务区与匝道";
                break;

            case 53:
                roadTypeStr = "服务区与JCT";
                break;

            case 58:
                roadTypeStr = "服务区与匝道以及JCT";
                break;

            default:
                roadTypeStr = "未知";
                break;
        }
        return roadTypeStr;
    }

    public String getLinkType(int linkType) {
        String linkTypeStr = "";

        switch (linkType) {
            case 0:
                linkTypeStr = "普通道路";
                break;

            case 1:
                linkTypeStr = "航道";
                break;

            case 2:
                linkTypeStr = "隧道";
                break;

            case 3:
                linkTypeStr = "桥梁";
                break;

            default:
                linkTypeStr = "未知";
                break;
        }
        return linkTypeStr;
    }

    public String getTrafficState(int trafficState) {
        String trafficStateStr = "";

        switch (trafficState) {
            case 0:
                trafficStateStr = "未知状态";
                break;

            case 1:
                trafficStateStr = "畅通";
                break;

            case 2:
                trafficStateStr = "缓行";
                break;

            case 3:
                trafficStateStr = "阻塞";
                break;

            default:
                trafficStateStr = "严重阻塞";
                break;
        }
        return trafficStateStr;
    }
   
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