最近做的项目中百度地图是很重要的一个模块，其中实现了定位、自定义Marker图标、线路规划、SuggestionSearch检索、地图截图以及导航等功能。因为如何在自己项目中集成百度地图在官方文档Demo和网上已经有很多优秀并且很详细的教程，所以这里主要记下一些本人在使用过程中出现的问题和容易出现错误要注意的地方。

1.地图显示为网格加载不出来,logcat打印错误
Authentication Error errorcode: 230 uid: -1 appid -1 msg: APP Scode码校验失败
出现这个问题的原因一般为SHA1配置不正确
注意点:分为发布版SHA1和开发板SHA1，发布版SHA1用于keystore签名文件打包后的程序；开发板SHA1用于直接运行debug的程序，下载官方文档中签名工具输入包名就能得到
解决办法:登录百度地图开放平台修改即可

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RoutePlanSearch search = RoutePlanSearch.newInstance();

BikingRoutePlanOption bikingRoutePlanOption = newBikingRoutePlanOption();

PlanNode startPlanNode=PlanNode.withLocation(mFahuoPoi.location); 

 PlanNodeendPlanNode=PlanNode.withLocation(mShouhuoPoi.location);

    bikingRoutePlanOption.from(startPlanNode);

    bikingRoutePlanOption.to(endPlanNode);

    search.bikingSearch(bikingRoutePlanOption);

    search.setOnGetRoutePlanResultListener(new OnGetRoutePlanResultListener() {
        @Override
        public void onGetWalkingRouteResult(WalkingRouteResult walkingRouteResult) {
         //步行节点
        }

        @Override
        public void onGetTransitRouteResult(TransitRouteResult transitRouteResult) {
         //公交节点
        }

        @Override
        public void onGetMassTransitRouteResult(MassTransitRouteResult massTransitRouteResult) {
         //跨城公交节点
        }

        @Override
        public void onGetDrivingRouteResult(DrivingRouteResult drivingRouteResult) {
         //驾车节点
        }

        @Override
        public void onGetIndoorRouteResult(IndoorRouteResult indoorRouteResult) {
         //室内节点
        }

        @Override
        public void onGetBikingRouteResult(BikingRouteResult bikingRouteResult) {
         //骑行节点
    if (result == null || result.error !=   SearchResult.ERRORNO.NO_ERROR) {
    Toast.makeText(MingXiActivity.this, "抱歉，未找到结果", Toast.LENGTH_SHORT).show();
    }
    if (result.error == SearchResult.ERRORNO.AMBIGUOUS_ROURE_ADDR) {
        // 起终点或途经点地址有岐义，通过以下接口获取建议查询信息
         result.getSuggestAddrInfo()
        return;
    }
    if (result.error == SearchResult.ERRORNO.NO_ERROR) {
        if (result.getRouteLines().size() >= 1) {
            route = result.getRouteLines().get(0);
            BikingRouteOverlay overlay = new MyBikingRouteOverlay(mBaidumap);
            routeOverlay = overlay;
            mBaidumap.setOnMarkerClickListener(overlay);
            overlay.setData(result.getRouteLines().get(0));
            overlay.addToMap();
            overlay.zoomToSpan();
        } else {
            Log.d("route result", "结果数<0");
            return;
        }
    }
        }
    });`

实现效果图:

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public void onGetSuggestionResult(SuggestionResult msg) {

    // TODO Auto-generated method stub
    if (msg == null || msg.getAllSuggestions() == null) {
        Toast.makeText(this, "未检索到当前地址",             Toast.LENGTH_SHORT).show();
        return;
    }

    if (list != null) {
        list.clear();
    }

    if (lists != null) {
        lists.clear();
    }

    if (listjl != null) {
        listjl.clear();
    }

  if (listinfo != null) {
        listinfo.clear();
   }

    for (SuggestionResult.SuggestionInfo info : msg.getAllSuggestions()) {
        if (info.pt == null) continue;
        Log.e("info.ccity", "info.city" + info.city + "info.district" + info.district + "info.key" + info.key);
        listinfo.add(info);
        list.add(info.key);
        lists.add(info.city + info.district + info.key);
        DecimalFormat df = new DecimalFormat("######0");
        String distance = df.format(DistanceUtil.getDistance(listinfo.get(0).pt, info.pt));
        listjl.add(distance);
    }
    adapter_list_Address = new Adapter_list_Address(PoiSearchActivity.this, list, lists, listjl);
    lvAddress.setAdapter(adapter_list_Address);
    adapter_list_Address.notifyDataSetChanged();
    if (listinfo.size() == 0) {
        Toast.makeText(PoiSearchActivity.this, "未检索到当前地址", Toast.LENGTH_SHORT).show();
        return;
    }
}`

实现效果图

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最后:
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