百度地圖定位

1.佈局

 <com.baidu.mapapi.map.MapView

        android:id="@+id/mapview"

        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clickable="true"  />

    <TextView
        android:id="@+id/tv_location"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="位置:你去哪兒了"

        android:layout_centerInParent="true"/>


2.代碼

   配置://在清單文件註冊  android:name=".app.MyApp"

  <service android:name="com.baidu.location.f" 

   android:enabled="true" 

   android:process=":remote">
        </service>

 

public class MyApp extends Application{

    @Override

    public void onCreate() {

        super.onCreate();

       SDKInitializer.initialize(getApplicationContext());   }}

activity:

public class LocationActivity extends Activity {

 

    private MapView mapView;

    private TextView tv_location;

    public LocationClientmLocationClient = null;

    public BDLocationListenermyListener = new MyLocationListener();

    private BaiduMap baiduMap;

    private boolean isFirstLoc =true;

 

    @Override

    protected void onCreate(BundlesavedInstanceState) {

       super.onCreate(savedInstanceState);

       setContentView(R.layout.activity_location);

        //找控件

        mapView = (MapView)findViewById(R.id.mapview);

        //獲取地圖

        baiduMap = mapView.getMap();

        //開啓定位圖層

       baiduMap.setMyLocationEnabled(true);

        tv_location = (TextView)findViewById(R.id.tv_location);

        //初始化定位對象  聲明LocationClient類

        mLocationClient = newLocationClient(getApplicationContext());

 

        //註冊監聽函數

       mLocationClient.registerLocationListener(myListener);

        initLocation();

        mLocationClient.start();

 

 

    }

 

    private void initLocation() {

        LocationClientOption option =new LocationClientOption();

       option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);

        //可選,默認高精度,設置定位模式,高精度,低功耗,僅設備

 

       option.setCoorType("bd09ll");

        //可選,默認gcj02,設置返回的定位結果座標系

 

        int span = 1000;

        option.setScanSpan(span);

        //可選,默認0,即僅定位一次,設置發起定位請求的間隔需要大於等於1000ms纔是有效的

 

       option.setIsNeedAddress(true);

        //可選,設置是否需要地址信息,默認不需要

 

        option.setOpenGps(true);

        //可選,默認false,設置是否使用gps

 

       option.setLocationNotify(true);

        //可選,默認false,設置是否當GPS有效時按照1S/1次頻率輸出GPS結果

 

       option.setIsNeedLocationDescribe(true);

        //可選,默認false,設置是否需要位置語義化結果,可以在BDLocation.getLocationDescribe裏得到,結果類似於“在北京天安門附近”

 

       option.setIsNeedLocationPoiList(true);

        //可選,默認false,設置是否需要POI結果,可以在BDLocation.getPoiList裏得到

 

       option.setIgnoreKillProcess(false);

        //可選,默認true,定位SDK內部是一個SERVICE,並放到了獨立進程,設置是否在stop的時候殺死這個進程,默認不殺死

 

        option.SetIgnoreCacheException(false);

        //可選,默認false,設置是否收集CRASH信息,默認收集

 

       option.setEnableSimulateGps(false);

        //可選,默認false,設置是否需要過濾GPS仿真結果,默認需要

 

       mLocationClient.setLocOption(option);

 

    }

 

    public class MyLocationListenerimplements BDLocationListener {

        @Override

        public voidonReceiveLocation(BDLocation location) {

            //獲取定位結果

            StringBuffer sb = newStringBuffer(256);

            sb.append("time :");

            sb.append(location.getTime());    //獲取定位時間

            sb.append("\nerrorcode : ");

           sb.append(location.getLocType());   //獲取類型類型

           sb.append("\nlatitude : ");

           sb.append(location.getLatitude());   //獲取緯度信息

            sb.append("\nlontitude :");

           sb.append(location.getLongitude());   //獲取經度信息

            sb.append("\nradius: ");

           sb.append(location.getRadius());   //獲取定位精準度

//---------------------將地圖跟定位關聯起來----------------------------------------

 MyLocationData locData = newMyLocationData.Builder()

                   .accuracy(location.getRadius())

                    // 此處設置開發者獲取到的方向信息,順時針0-360

                   .direction(100).latitude(location.getLatitude())

                    .longitude(location.getLongitude()).build();

            // 設置定位數據

           baiduMap.setMyLocationData(locData);

            if (isFirstLoc) {

                isFirstLoc = false;

                LatLng ll = newLatLng(location.getLatitude(),

                       location.getLongitude());

                MapStatus.Builderbuilder = new MapStatus.Builder();

               builder.target(ll).zoom(18.0f);

               baiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));

            }

//---------------------將地圖跟定位關聯起來----------------------------------------

 

           if (location.getLocType()== BDLocation.TypeGpsLocation) {

                // GPS定位結果

               sb.append("\nspeed : ");

               sb.append(location.getSpeed());   // 單位:公里每小時

 

               sb.append("\nsatellite : ");

               sb.append(location.getSatelliteNumber());    //獲取衛星數

 

               sb.append("\nheight : ");

                sb.append(location.getAltitude());    //獲取海拔高度信息,單位米

 

               sb.append("\ndirection : ");

               sb.append(location.getDirection());   //獲取方向信息,單位度

 

               sb.append("\naddr : ");

               sb.append(location.getAddrStr());   //獲取地址信息

               sb.append("\ndescribe : ");

                sb.append("gps定位成功");

 

            }  else if (location.getLocType() ==BDLocation.TypeNetWorkLocation) {

 

                // 網絡定位結果

               sb.append("\naddr : ");

                sb.append(location.getAddrStr());    //獲取地址信息

 

               sb.append("\noperationers : ");

               sb.append(location.getOperators());   //獲取運營商信息

 

               sb.append("\ndescribe : ");

                sb.append("網絡定位成功");

 

            } else if(location.getLocType() == BDLocation.TypeOffLineLocation) {

 

                // 離線定位結果

               sb.append("\ndescribe : ");

                sb.append("離線定位成功,離線定位結果也是有效的");

 

            } else if(location.getLocType() == BDLocation.TypeServerError) {

 

               sb.append("\ndescribe : ");

                sb.append("服務端網絡定位失敗,可以反饋IMEI號和大體定位時間到[email protected],會有人追查原因");

 

            } else if(location.getLocType() == BDLocation.TypeNetWorkException) {

 

               sb.append("\ndescribe : ");

                sb.append("網絡不同導致定位失敗,請檢查網絡是否通暢");

 

            } else if(location.getLocType() == BDLocation.TypeCriteriaException) {

 

               sb.append("\ndescribe : ");

                sb.append("無法獲取有效定位依據導致定位失敗,一般是由於手機的原因,處於飛行模式下一般會造成這種結果,可以試着重啓手機");

 

            }

 

           sb.append("\nlocationdescribe : ");

           sb.append(location.getLocationDescribe());    //位置語義化信息

 

            final List<Poi>list = location.getPoiList();    // POI數據

            if (list != null) {

               sb.append("\npoilist size = : ");

               sb.append(list.size());

                for (Poi p : list) {

                   sb.append("\npoi= : ");

                    sb.append(p.getId()+ " " + p.getName() + " " + p.getRank());

                }

 

            }

            //此方法運行在子線程

            runOnUiThread(newRunnable() {

                @Override

                public void run() {

                    tv_location.setText(list.get(2).getName());

                }

            });

           Log.i("BaiduLocationApiDem", sb.toString() + ",目前位置:" +list.get(2).getName());

        }

 

        @Override

        public voidonConnectHotSpotMessage(String s, int i) {

 

        }

    }

 

}


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