LocationService

使用高德地图android定位sdk进行封装，以remote service方式提供定位功能

##配置工程

高德lbs官网申请key 申请地址
在mainfest进行一下配置

1：配置定位所需权限

   <uses-permission android:name="android.permission.INTERNET" />
   <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
   <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
   <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
   <uses-permission android:name="android.permission.READ_PHONE_STATE" />
   <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
   <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
   <uses-permission android:name="android.permission.CHANGE_CONFIGURATION" />
   <uses-permission android:name="android.permission.WAKE_LOCK" /> 
   <uses-permission android:name="android.permission.WRITE_SETTINGS" />

2：配置所需key

   <meta-data
          android:name="com.amap.api.v2.apikey"
          android:value="您申请的key" />

3：配置定位service

   <service 
          android:process=":remote"
          android:name="com.amap.apis.locationservice.LocationBackGroundService">

完成以上操作后可以进行定位的开发

##定位功能

实例化定位Client

mLocationClient = new LocationClient(getApplicationContext());

设置定位参数

	    LocationClientOption locationOption = new LocationClientOption();
		//设置定位间隔
		locationOption.setScanSpan(2000);
		//设置定位模式，其他模式见LocationMode
		locationOption.setLocationMode(LocationMode.Battery_Saving);	
		mLocationClient.setLocOption(locationOption);

设置定位监听

	GDLocationListener gdLocationListener = new GDLocationListener() {

			@Override
			public void onReceiveLocation(GDLocation location) {
				Log.i("location",
						 
						
						location.getAddrStr() + "  " + location.getCity()
								+ "  " + location.getCityCode() + "  "
								+ location.getDistrict() + "  "
								+ location.getLatitude() + "  "
								+ location.getLongitude()+"  "
								+location.getStreet()+"   "
								+location.getRadius()+"  "
								+location.getProvince()+"  "
								+location.getSpeed()
				);

			}
		};

		mLocationClient.registerLocationListener(gdLocationListener);

开始定位

	//开启定位
	mLocationClient.start();

停止定位

mLocationClient.stop();

##地理围栏功能

实例化地理围栏Client

mGeofenceClient=new GeofenceClient(getApplicationContext());

设置地理围栏监听

	//设置地理围栏的监听
		mGeofenceClient.registerGeofenceTriggerListener(new OnGeofenceTriggerListener() {
			
			@Override
			public void onGeofenceTrigger(String geofenceID) {
				
			 Log.i("location", "in the geofence"+geofenceID);
				
			}
			
			@Override
			public void onGeofenceExit(String geofenceID) {
				
				 Log.i("location", "out of the geofence"+geofenceID); 
				
			}
		});

添加地理围栏

	//创建地理围栏，设置地理围栏id,范围和有效时间
			GDGeofence gdGeofence=new GDGeofence.Builder().
			setGeofenceId("testGeofence")
			.setCircularRegion(116.480829, 39.989614, 1000).setExpirationDruation(1000*60)
			.build();
			//添加地理围栏，注意同一个地理围栏id只能添加一次
			mGeofenceClient.addGDGeofence(gdGeofence, new OnAddGDGeofencesResultListener() {

开启地理围栏扫描

mGeofenceClient.start();

停止地理围栏扫描

mGeofenceClient.stop();

##注意事项

LocationClient与GeofenceClient的start()方法会启动remote service，因此注意在合适的业务场景和生命周期中调用相对的stop()方法停止后台的定位进程
设置LocationClient的LocationClientOption时，最终定位会以第一个最先设置的参数生效
目前地理围栏支持单个listener的回调，即已设置的最后一个listener进行回调，如果有类似定位LocationClient多个listener回调需求，后续会增加此功能的支持

GitHubNsg / LocationService

LocationService

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