cordovaバックグラウンドモードプラグインでの問題

Question

バックグラウンドでサービスを実行するためにcordovaバックグラウンドモードプラグインを使用しています。アプリが最小化されるまでは正常に機能しますが、アプリがタスクバーから削除されたり完全に閉じられると、サービスは停止します。 サービスが閉じていてもサービスが実行されます。

助けていただければ幸いです。 ありがとうございます!!!!

Answer 1

これは、あなたが使用しているプラ​​グインのコードとリンクを提供することができ、私は

 cordova.plugins.backgroundMode.enable(); 
     cordova.plugins.backgroundMode.setDefaults({ 
      title: 'Osprey', 
      ticker: '', 
      text: 'App is running in background!!!' 
     }); 
     cordova.plugins.backgroundMode.onactivate = function() { 
      cordova.plugins.diagnostic.isLocationEnabled(function(enabled) { 
       if (enabled) { 
       var marker; 

       var db = $cordovaSQLite.openDB("my.db"); //mobile 
       //var db = window.openDatabase("my.db", '1', 'auto', 1024 * 1024 * 100); 
       //$cordovaSQLite.execute(db,"DROP TABLE IF EXISTS Location;"); //drop a table 
       $cordovaSQLite.execute(db, "CREATE TABLE IF NOT EXISTS Location (id INTEGER PRIMARY KEY AUTOINCREMENT, latitude DOUBLE, longitude DOUBLE, date NUMERIC)"); 
       var options = {timeout: 20000, enableHighAccuracy: false}; 

       $cordovaGeolocation.getCurrentPosition(options).then(function(position){ 
        var latLng = new google.maps.LatLng(position.coords.latitude, position.coords.longitude); 
        lat = position.coords.latitude; 
        long = position.coords.longitude; 
        var mapOptions = { 
        center: latLng, 
        zoom: 15, 
        mapTypeId: google.maps.MapTypeId.ROADMAP 
        }; 

        $scope.map = new google.maps.Map(document.getElementById("map"), mapOptions); 
        $http.get('http://maps.googleapis.com/maps/api/geocode/json?latlng='+lat+','+long+'&sensor=true'). 
        then(function(data){ 
         console.log(data); 
         $scope.address='Your current location is : ' +data.data.results[0].formatted_address; 
        }); 
        google.maps.event.addListenerOnce($scope.map, 'idle', function(){ 

        marker = new google.maps.Marker({ 
         map: $scope.map, 
         animation: google.maps.Animation.DROP, 
         position: latLng, 
         draggable: true 
        }); 

       var watchOptions = {maximumAge: 10000, timeout: 3000, enableHighAccuracy: false}; 
       //var watchOptions = {frequency : 1000,timeout : 3000,enableHighAccuracy: false }; 
       var watch = $cordovaGeolocation.watchPosition(watchOptions); 

       watch.then(
        null, 

        function(err) { 
         console.log(err.message); 
        }, 

        function(position) { 
         //start fetch tracking status 
         var data = {}; 
         data.companyId = $window.localStorage['companyId']; 
         data.apiKey = $window.localStorage['apiKey']; 
         $http({ 
         method: 'POST', 
         url: "http://192.241.86.4/api/fetch-tracking-status", 
         crossDomain:true, 
         data: data 
          }).success(function (response) { 
          var j = response.length - 1; 
          if (response[0].startTime === null || response[j].endTime === null) { 
           $cordovaToast 
           .show('No Tracking For Now!!!', 'long', 'center') 
           .then(function(success) { 
            console.log('success'); 
           }, function (error) { 
            console.log('error'); 
           }); 
          } else { 
           console.log('tracking'); 
           var latitude = position.coords.latitude; 
           var longitude = position.coords.longitude; 
           var new_marker_position = new google.maps.LatLng(position.coords.latitude, position.coords.longitude); 
           marker.setPosition(new_marker_position); 
           var query = "INSERT INTO Location (latitude, longitude, date) VALUES (?,?,Date('now'))"; 
           $cordovaSQLite.execute(db, query, [position.coords.latitude, position.coords.longitude]).then(function(res) { 
            console.log("INSERT ID -> " + res.insertId); 
           }, function (err) { 
            console.log(err.message); 
           }); 
          } 
         },function error(response) { 
          console.log("Error Saving Data"); 
         }); 
        } 
       ); 
       //watch.clearWatch(); 

        var infoWindow = new google.maps.InfoWindow({ 
         content: $scope.address 
        }); 

        google.maps.event.addListener(marker, 'click', function() { 
         infoWindow.open($scope.map, marker); 
        }); 

       }); 

       if (navigator.connection.type == Connection.NONE){ 
        $ionicPopup.confirm({ 
        title: "Internet Disconnected", 
        content: "The internet is disconnected on your device. Please Connect Internet" 
        }) 
       } else { 
        var location = {}; 
        location.locations = []; 
        setInterval(function(){ 
        var query = "select * from Location"; 
        location.apiKey = $window.localStorage['apiKey']; 
        $cordovaSQLite.execute(db, query) 
        .then(
         function(result) { 
          if (result.rows.length > 0) { 
           for (var i=0; i < result.rows.length; i++) { 
           var object = {}; 
           object.deviceId = $window.localStorage['imei']; 
           object.deviceName = $cordovaDevice.getModel(); 
           object.phone = $window.localStorage['phone']; 
           object.companyId = $window.localStorage['companyId']; 
           object.createdDate = new Date().toUTCString(); 
           object.batteryPercentage = $scope.showPercentage; 
           object.latitude = result.rows.item(i).latitude; 
           object.longitude = result.rows.item(i).longitude; 
           object.manual = "0"; 
           location.locations.push(object); 
           } 

           $http({ 
           method: 'POST', 
           url: "http://192.241.86.4/api/save-logs", 
           crossDomain:true, 
           data: location 
            }).success(function (response) { 
            $cordovaToast 
             .show('Successfully Saved Location', 'long', 'center') 
             .then(function(success) { 
             console.log('success'); 
             var deleteQuery = "DELETE FROM Location"; 
             $cordovaSQLite.execute(db, deleteQuery).then(function(res) { 
              console.log('deleted'); 
             }, function (err) { 
              console.log(err.message); 
             }); 
             }, function (error) { 
             console.log('error'); 
             }); 
           },function error(response) { 
            console.log("Error Saving Data"); 
           }); 
          } else { 
           console.log('No places tracked'); 
          } 
         }, 
         function(error) { 
          console.log(error.message); 
         } 
        ); 
        },20000); 
       } 

       }, function(error){ 
        console.log("Could not get location"); 
       }); 
       } else { 
       alert("Location is disabled"); 
       window.location.reload(); 
       } 
      }, function(error) { 
       console.log("The following error occurred: " + error); 
      }); 
     }