/* Copyright 2020. Huawei Technologies Co., Ltd. All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ import 'package:flutter/services.dart'; import 'activity_conversion_info.dart'; import 'activity_conversion_response.dart'; import 'activity_identification_response.dart'; class ActivityIdentificationService { static ActivityIdentificationService _instance; final MethodChannel _methodChannel; final EventChannel _activityIdentificationEventChannel; final EventChannel _activityConversionEventChannel; Stream _onActivityIdentification; Stream _onActivityConversion; ActivityIdentificationService._create( this._methodChannel, this._activityIdentificationEventChannel, this._activityConversionEventChannel, ); factory ActivityIdentificationService() { if (_instance == null) { final MethodChannel methodChannel = const MethodChannel( 'com.huawei.flutter.location/activityidentification_methodchannel'); final EventChannel activityIdentificationEventChannel = const EventChannel( 'com.huawei.flutter.location/activityidentification_eventchannel'); final EventChannel activityConversionEventChannel = const EventChannel( 'com.huawei.flutter.location/activityconversion_eventchannel'); _instance = ActivityIdentificationService._create( methodChannel, activityIdentificationEventChannel, activityConversionEventChannel, ); } return _instance; } Future createActivityIdentificationUpdates( int detectionIntervalMillis) async { return _methodChannel.invokeMethod( 'createActivityIdentificationUpdates', detectionIntervalMillis); } Future createActivityConversionUpdates( List activityConversions) async { return _methodChannel.invokeMethod('createActivityConversionUpdates', activityConversions?.map((x) => x?.toMap())?.toList()); } Future deleteActivityIdentificationUpdates(int requestCode) async { return _methodChannel.invokeMethod( 'deleteActivityIdentificationUpdates', requestCode); } Future deleteActivityConversionUpdates(int requestCode) async { return _methodChannel.invokeMethod( 'deleteActivityConversionUpdates', requestCode); } Stream get onActivityIdentification { if (_onActivityIdentification == null) { _onActivityIdentification = _activityIdentificationEventChannel .receiveBroadcastStream() .map((event) => ActivityIdentificationResponse.fromMap(event)); } return _onActivityIdentification; } Stream get onActivityConversion { if (_onActivityConversion == null) { _onActivityConversion = _activityConversionEventChannel .receiveBroadcastStream() .map((event) => ActivityConversionResponse.fromMap(event)); } return _onActivityConversion; } }