使用google service定位服务

概述

使用google service的API实现定位功能，封装成一个小模块。需要安装google service相关的sdk包，手机需要装有google服务框架等。主要是国外产品使用，国内需要翻墙，这里做下记录。

导入：

    compile 'com.google.android.gms:play-services-location:9.4.0'

使用

初始化模块，启动定时上报位置信息

 public void initLocationModule() {locationModule = new GoogleLocationModule(mActivity);locationModule.LocationInit(context);locationModule.googleClientConnect();locationModule.setLocationChangedListener(this);locationModule.startLocationUpdates();}

退出时释放模块资源

 @Overridepublic void releaseLocationModule() {locationModule.stopLocationUpdates();locationModule.googleClientDisconnect();}

监听模块上报数据

 @Overridepublic void onLocationChanged(Location location) {T.showShort(context, "mCurrentLocation: " + location.getLatitude());}

实现

模块接口

public interface LocationModule {void LocationInit(Context context);void startLocationUpdates();void stopLocationUpdates();void googleClientConnect();void googleClientDisconnect();void setLocationChangedListener(LocationChangedListener locationChangedListener);
}

模块实现

public class GoogleLocationModule implementsLocationModule,GoogleApiClient.ConnectionCallbacks,GoogleApiClient.OnConnectionFailedListener,LocationListener,ResultCallback<LocationSettingsResult> {private MyLog myLog = new MyLog("[GoogleLocationModule] ");private Context context;private Activity mActivity;protected static final int REQUEST_CHECK_SETTINGS = 0x1;public static final long UPDATE_INTERVAL_IN_MILLISECONDS = 5000;public static final long FASTEST_UPDATE_INTERVAL_IN_MILLISECONDS = UPDATE_INTERVAL_IN_MILLISECONDS / 2;public static GoogleApiClient mGoogleApiClient;protected LocationRequest mLocationRequest;public static LocationSettingsRequest mLocationSettingsRequest;protected Location mCurrentLocation;protected String mLastUpdateTime;protected Boolean mRequestingLocationUpdates = false;protected Boolean mStartLocationUpdates = false;private LocationChangedListener locationChangedListener;public GoogleLocationModule(Activity activity) {this.mActivity = activity;}@Overridepublic void LocationInit(Context context) {this.context = context;buildGoogleApiClient();createLocationRequest();buildLocationSettingsRequest();checkLocationSettings();  //检查并请求打开位置权限}@Overridepublic void startLocationUpdates() {if (!mGoogleApiClient.isConnected()){//未连接，设置标志位，连接时启动mRequestingLocationUpdates = true;}else{                              //已连接，判断是否已启动if (mStartLocationUpdates)return;if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED&& ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {return;}LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient,mLocationRequest,this);mStartLocationUpdates = true;}}@Overridepublic void stopLocationUpdates() {LocationServices.FusedLocationApi.removeLocationUpdates(mGoogleApiClient,this);mRequestingLocationUpdates = false;mStartLocationUpdates = false;}@Overridepublic void googleClientConnect() {if (!mGoogleApiClient.isConnected())mGoogleApiClient.connect();}@Overridepublic void googleClientDisconnect() {mGoogleApiClient.disconnect();}@Overridepublic void setLocationChangedListener(LocationChangedListener locationChangedListener) {this.locationChangedListener = locationChangedListener;}protected void checkLocationSettings() {PendingResult<LocationSettingsResult> result =LocationServices.SettingsApi.checkLocationSettings(mGoogleApiClient,mLocationSettingsRequest);result.setResultCallback(this);}protected synchronized void buildGoogleApiClient() {myLog.d("Building GoogleApiClient");mGoogleApiClient = new GoogleApiClient.Builder(context).addConnectionCallbacks(this).addOnConnectionFailedListener(this).addApi(LocationServices.API).build();}protected void createLocationRequest() {mLocationRequest = new LocationRequest();mLocationRequest.setInterval(UPDATE_INTERVAL_IN_MILLISECONDS);mLocationRequest.setFastestInterval(FASTEST_UPDATE_INTERVAL_IN_MILLISECONDS);mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);}protected void buildLocationSettingsRequest() {LocationSettingsRequest.Builder builder = new LocationSettingsRequest.Builder();builder.addLocationRequest(mLocationRequest);mLocationSettingsRequest = builder.build();}@Overridepublic void onLocationChanged(Location location) {mCurrentLocation = location;mLastUpdateTime = DateFormat.getTimeInstance().format(new Date());locationChangedListener.onLocationChanged(location);}@Overridepublic void onConnected(Bundle bundle) {myLog.d("GoogleApiClient onConnected");if (mRequestingLocationUpdates)startLocationUpdates();if (mCurrentLocation == null) {if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED&& ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {return;}mCurrentLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);mLastUpdateTime = DateFormat.getTimeInstance().format(new Date());if (mCurrentLocation != null) {T.showShort(context, "getLastLocation: " + mCurrentLocation.getLatitude());myLog.d("mCurrentLocation: " + mCurrentLocation.getAltitude());} else {myLog.d("mCurrentLocation null");}}}@Overridepublic void onConnectionSuspended(int i) {myLog.d("GoogleApiClient onConnectionSuspended");}@Overridepublic void onConnectionFailed(ConnectionResult connectionResult) {myLog.e("GoogleApiClient onConnectionFailed: " + connectionResult.getErrorMessage());}//位置权限请求返回结果@Overridepublic void onResult(LocationSettingsResult locationSettingsResult) {final Status status = locationSettingsResult.getStatus();switch (status.getStatusCode()) {case LocationSettingsStatusCodes.SUCCESS:myLog.d("All location settings are satisfied.");break;case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:myLog.d("Location settings are not satisfied. Show the user a dialog to" +"upgrade location settings ");try {status.startResolutionForResult(mActivity, REQUEST_CHECK_SETTINGS);} catch (IntentSender.SendIntentException e) {myLog.w("PendingIntent unable to execute request.");}break;case LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE:T.showShort(context, context.getString(R.string.map_open_gps_remind));myLog.e("Location settings are inadequate, and cannot be fixed here. Dialog not created.");break;}}
}

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使用google service定位服务

使用google service定位服务

概述

使用

实现

模块接口

模块实现

使用google service定位服务相关推荐

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