服务文档1_request_location_permission

集成网址：

https://developer.huawei.com/consumer/cn/codelabsPortal/serviceTypes/hmscore-cn

文档网址：

https://developer.huawei.com/consumer/cn/hms

定位服务：

定位文档：

文档中心

操作文档：

https://developer.huawei.com/consumer/cn/codelabsPortal/carddetails/HMSLocationKit

RequestLocationPermission.java

public class RequestLocationPermission {

    public static final String TAG = "RequestPermission";

    public static void requestLocationPermission(Context context) {

        // check location permisiion

        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.P) {

            Log.i(TAG, "sdk < 28 Q");

            if (ActivityCompat.checkSelfPermission(context,

                    Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED

                    && ActivityCompat.checkSelfPermission(context,

                    Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {

                String[] strings =

                        {Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION};

                ActivityCompat.requestPermissions((Activity)context, strings, 1);

            }

        } else {

            if (ActivityCompat.checkSelfPermission(context,

                    Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED

                    && ActivityCompat.checkSelfPermission(context,

                    Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED

                    && ActivityCompat.checkSelfPermission(context,

                    "android.permission.ACCESS_BACKGROUND_LOCATION") != PackageManager.PERMISSION_GRANTED) {

                String[] strings = {Manifest.permission.ACCESS_FINE_LOCATION,

                        Manifest.permission.ACCESS_COARSE_LOCATION,

                        "android.permission.ACCESS_BACKGROUND_LOCATION"};

                ActivityCompat.requestPermissions((Activity)context, strings, 2);

            }

        }

    }

}

RequestLocationUpdatesWithCallbackActivity.java

 

 

 

/**

 * Example of Using requestLocationUpdates and removeLocationUpdates.

 * Requests a location update and calls back on the specified Looper thread. This method requires that the requester process exist for continuous callback.

 * If you still want to receive the callback after the process is killed, see requestLocationUpdates (LocationRequest request,PendingIntent callbackIntent)

 */

/**使用requestLocationUpdates和removeLocationUpdates的示例。

*      请求位置更新并在指定的循环线程上回调。 此方法要求存在用于持续回调的请求者流程。

* 如果你仍然想在进程被杀死后收到回调，参见requestLocationUpdates (LocationRequest request,PendingIntent callbackIntent)*/

public class RequestLocationUpdatesWithCallbackActivity extends Activity implements OnClickListener {

    public static final String TAG = "LocationUpdatesCallback";

    LocationCallback mLocationCallback;

    LocationRequest mLocationRequest;

    private FusedLocationProviderClient mFusedLocationProviderClient;

    private SettingsClient mSettingsClient;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_location_request_location_updates_callback);

        RequestLocationPermission.requestLocationPermission(this);

        // todo Button click listeners

        findViewById(R.id.location_requestLocationUpdatesWithCallback).setOnClickListener(this);

        findViewById(R.id.location_removeLocationUpdatesWithCallback).setOnClickListener(this);

//        todo addLogFragment();

        mFusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this);

        mSettingsClient = LocationServices.getSettingsClient(this);

        mLocationRequest = new LocationRequest();

        // todo Sets the interval for location update (unit: Millisecond)

        //todo 设置位置更新的间隔(单位:毫秒)

        mLocationRequest.setInterval(5000);

        // todo Sets the priority

        //todo 设置优先级

        mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);

        if (null == mLocationCallback) {

            mLocationCallback = new LocationCallback() {

                @Override

                public void onLocationResult(LocationResult locationResult) {

                    if (locationResult != null) {

                        List<Location> locations = locationResult.getLocations();

                        if (!locations.isEmpty()) {

                            for (Location location : locations) {

                                Log.i("RequestLocationUpdatesWithCallbackActivity","经度：" + location.getLongitude() + "纬度：" + location.getLatitude() + "精确度：" + location.getAccuracy());

                                Toast.makeText(RequestLocationUpdatesWithCallbackActivity.this,

                                        "onLocationResult location[Longitude,Latitude,Accuracy]:" + location.getLongitude()

                                                + "," + location.getLatitude() + "," + location.getAccuracy(), Toast.LENGTH_LONG).show();

                            }

                        }

                    }

                }

                @Override

                public void onLocationAvailability(LocationAvailability locationAvailability) {

                    if (locationAvailability != null) {

                        boolean flag = locationAvailability.isLocationAvailable();

                        Log.i(TAG, "onLocationAvailability isLocationAvailable:" + flag);

                    }

                }

            };

        }

    }

    /**

     * Requests a location update and calls back on the specified Looper thread.

     */

    private void requestLocationUpdatesWithCallback() {

        try {

            LocationSettingsRequest.Builder builder = new LocationSettingsRequest.Builder();

            builder.addLocationRequest(mLocationRequest);

            LocationSettingsRequest locationSettingsRequest = builder.build();

            // todo Before requesting location update, invoke checkLocationSettings to check device settings.

            //todo 在请求位置更新之前，调用checkLocationSettings检查设备设置。

            Task<LocationSettingsResponse> locationSettingsResponseTask = mSettingsClient.checkLocationSettings(locationSettingsRequest);

            locationSettingsResponseTask.addOnSuccessListener(new OnSuccessListener<LocationSettingsResponse>() {

                @Override

                public void onSuccess(LocationSettingsResponse locationSettingsResponse) {

                    Log.i(TAG, "check location settings success");

                    mFusedLocationProviderClient

                            .requestLocationUpdates(mLocationRequest, mLocationCallback, Looper.getMainLooper())

                            .addOnSuccessListener(new OnSuccessListener<Void>() {

                                @Override

                                public void onSuccess(Void aVoid) {

                                    Toast.makeText(RequestLocationUpdatesWithCallbackActivity.this,  "requestLocationUpdatesWithCallback onSuccess", Toast.LENGTH_LONG).show();

                                }

                            })

                            .addOnFailureListener(new OnFailureListener() {

                                @Override

                                public void onFailure(Exception e) {

                                    Log.e(TAG,

                                            "requestLocationUpdatesWithCallback onFailure:" + e.getMessage());

                                }

                            });

                }

            })

                    .addOnFailureListener(new OnFailureListener() {

                        @Override

                        public void onFailure(Exception e) {

                            Log.i(TAG,  "checkLocationSetting onFailure:" + e.getMessage());

                            int statusCode = ((ApiException) e).getStatusCode();

                            switch (statusCode) {

                                case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:

                                    try {

                                        //When the startResolutionForResult is invoked, a dialog box is displayed, asking you to open the corresponding permission.

                                        ResolvableApiException rae = (ResolvableApiException) e;

                                        rae.startResolutionForResult(RequestLocationUpdatesWithCallbackActivity.this, 0);

                                    } catch (IntentSender.SendIntentException sie) {

                                        Log.e(TAG, "PendingIntent unable to execute request.");

                                    }

                                    break;

                                default:

                                    break;

                            }

                        }

                    });

        } catch (Exception e) {

            Log.i(TAG,  "requestLocationUpdatesWithCallback exception:" + e.getMessage());

        }

    }

    @Override

    protected void onDestroy() {

        // todo Removed when the location update is no longer required.

        //todo 当位置更新不再需要时删除。

        removeLocationUpdatesWithCallback();

        super.onDestroy();

    }

    /**

     * Removed when the location update is no longer required.当位置更新不需要时删除

     */

    private void removeLocationUpdatesWithCallback() {

        try {

            Task<Void> voidTask = mFusedLocationProviderClient.removeLocationUpdates(mLocationCallback);

            voidTask.addOnSuccessListener(new OnSuccessListener<Void>() {

                @Override

                public void onSuccess(Void aVoid) {

                    Toast.makeText(RequestLocationUpdatesWithCallbackActivity.this,"removeLocationUpdatesWithCallback onSuccess", Toast.LENGTH_LONG).show();

                }

            })

                    .addOnFailureListener(new OnFailureListener() {