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  • 百度地图路线搜索

    public class MainActivity extends MapActivity {
     
        private MapView mapView;//百度地图的相关控件
        private BMapManager bMapManager;//加载地图的引擎
        private String keyString = "04763B1D8C925195965E838C6E59DB767DAE4BA7";//百度地图的key
        private MapController mapController;//在百度地图上添加一些控件,比如放大或缩小控件
         
        private MKSearch mkSearch;
        private MKPlanNode start;
        private MKPlanNode end;
         
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
             
            mapView = (MapView) findViewById(R.id.bmapView);
            bMapManager = new BMapManager(MainActivity.this);
             
            //必须要加载key
            bMapManager.init(keyString, new MKGeneralListener() {
                 
                @Override
                public void onGetPermissionState(int arg0) {
                    if(arg0 == 300){
                        Toast.makeText(MainActivity.this, "输入的key有误,请核实...", 1).show();
                    }
                }
                 
                @Override
                public void onGetNetworkState(int arg0) {
                    // TODO Auto-generated method stub
                     
                }
            });
             
            initMapActivity(bMapManager);
            mapView.setBuiltInZoomControls(true);//表示可以设置缩放功能
            mapController = mapView.getController();
            mapController.setZoom(12);//设置缩放级别
     
            mkSearch = new MKSearch();
            mkSearch.init(bMapManager, new MySearchListener());
             
            start = new MKPlanNode();
            start.pt = new GeoPoint((int)(39.915*1E6), (int)(116.404*1E6));
            end = new MKPlanNode();
            end.pt = new GeoPoint(40057031, 116307852);
             
            mkSearch.setDrivingPolicy(MKSearch.EBUS_TIME_FIRST);
            mkSearch.drivingSearch(null, start, null, end);
        }
     
        public class MySearchListener implements MKSearchListener{
     
            @Override
            public void onGetAddrResult(MKAddrInfo arg0, int arg1) {
                // TODO Auto-generated method stub
                 
            }
     
            @Override
            public void onGetBusDetailResult(MKBusLineResult arg0, int arg1) {
                // TODO Auto-generated method stub
                 
            }
     
            @Override
            public void onGetDrivingRouteResult(MKDrivingRouteResult arg0, int arg1) {
                if(arg0 == null){
                    return ;
                }
                 
                RouteOverlay routeOverlay = new RouteOverlay(MainActivity.this, mapView);
                routeOverlay.setData(arg0.getPlan(0).getRoute(0));//选择第一条搜索方案中的第一条路线..
                mapView.getOverlays().add(routeOverlay);
                mapView.invalidate();
            }
     
            @Override
            public void onGetPoiResult(MKPoiResult result, int type, int iError) {
                if(result == null){
                    return ;
                }
                 
                PoiOverlay poiOverlay = new PoiOverlay(MainActivity.this, mapView);
                poiOverlay.setData(result.getAllPoi());//找到所有符合条件的点
                mapView.getOverlays().add(poiOverlay);
                mapView.invalidate();
            }
     
            @Override
            public void onGetSuggestionResult(MKSuggestionResult arg0, int arg1) {
                // TODO Auto-generated method stub
                 
            }
     
            @Override
            public void onGetTransitRouteResult(MKTransitRouteResult arg0, int arg1) {
                // TODO Auto-generated method stub
                 
            }
     
            @Override
            public void onGetWalkingRouteResult(MKWalkingRouteResult arg0, int arg1) {
                // TODO Auto-generated method stub
                 
            }
             
        }
        @Override
        protected void onDestroy() {
            super.onDestroy();
             
            if(bMapManager != null){
                bMapManager.destroy();
                bMapManager = null;
            }
        }
         
        @Override
        protected void onResume() {
            super.onResume();
             
            if(bMapManager != null){
                bMapManager.start();
            }
        }
         
        @Override
        protected void onPause() {
            super.onPause();
             
            if(bMapManager != null){
                bMapManager.stop();
            }
        }
        @Override
        protected boolean isRouteDisplayed() {
            // TODO Auto-generated method stub
            return false;
        }
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.main, menu);
            return true;
        } 
        @Override

          protected void onDestroy() {

            // TODO Auto-generated method stub

            super.onDestroy();

            if(bMapManager!=null){

                bMapManager.destroy();

                bMapManager=null;

              }

          }

          @Override

          protected void onResume() {

            // TODO Auto-generated method stub

            super.onResume();

            if(bMapManager!=null){

                bMapManager.start();

              }

          }

    
    

          @Override

          protected void onPause() {

            // TODO Auto-generated method stub

            super.onPause();

            if(bMapManager!=null){

                bMapManager.stop();

            }

        }

    
    }
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  • 原文地址:https://www.cnblogs.com/bbglz/p/4576688.html
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