public async void Run(IBackgroundTaskInstance taskInstance)
{
NetworkStateChangeEventDetails details = taskInstance.TriggerDetails as NetworkStateChangeEventDetails;
if (!details.HasNewNetworkConnectivityLevel)
{
return;
}
var connectionProfile = NetworkInformation.GetInternetConnectionProfile();
if (connectionProfile.GetNetworkConnectivityLevel() != NetworkConnectivityLevel.InternetAccess)
{
return;
}
var deferral = taskInstance.GetDeferral();
var settings = new BackgroundSettingsViewModel();
var dataSource = new MobileServicesDataSource(settings.MobileServicesUserId,
new AccessTokenRetriever(),
new BugSenseLogger());
bool couldLogIn = await dataSource.Login(false, true);
if (couldLogIn)
{
await dataSource.PushLocalChangesToServer();
}
deferral.Complete();
}
public void Run(IBackgroundTaskInstance taskInstance)
{
if (taskInstance == null)
{
Diag.DebugPrint("NetworkChangeTask: taskInstance was null");
return;
}
NetworkStateChangeEventDetails details = taskInstance.TriggerDetails as NetworkStateChangeEventDetails;
// Only restart CCT connection if network connectivity level changes.
if (details.HasNewNetworkConnectivityLevel == false)
{
return;
}
Diag.DebugPrint("System task - " + taskInstance.Task.Name + " starting ...");
// In this example, the channel name has been hardcoded to lookup the property bag
// for any previous contexts. The channel name may be used in more sophisticated ways
// in case an app has multiple ControlChannelTrigger objects.
string channelId = "channelOne";
if (((IDictionary <string, object>)CoreApplication.Properties).ContainsKey(channelId))
{
try
{
AppContext appContext = null;
lock (CoreApplication.Properties)
{
appContext = ((IDictionary <string, object>)CoreApplication.Properties)[channelId] as AppContext;
}
if (appContext != null && appContext.CommunicationInstance != null)
{
CommunicationModule communicationInstance = appContext.CommunicationInstance;
// Clear any existing channels, sockets etc.
communicationInstance.Reset();
// Create CCT enabled transport.
communicationInstance.SetUpTransport(communicationInstance.serverUri, GetType().Name);
}
}
catch (Exception ex)
{
Diag.DebugPrint("Registering with CCT failed with: " + ex.ToString());
}
}
else
{
Diag.DebugPrint("Cannot find AppContext key channelOne");
}
Diag.DebugPrint("System task - " + taskInstance.Task.Name + " finished.");
}
//
// The Run method is the entry point of a background task.
//
public void Run(IBackgroundTaskInstance taskInstance)
{
Debug.WriteLine("Background " + taskInstance.Task.Name + " Starting...");
//
// Associate a cancellation handler with the background task.
//
taskInstance.Canceled += new BackgroundTaskCanceledEventHandler(OnCanceled);
try
{
NetworkStateChangeEventDetails details = taskInstance.TriggerDetails as NetworkStateChangeEventDetails;
localSettings.Values["HasNewConnectionCost"] = details.HasNewConnectionCost ? "New Connection Cost" : null;
localSettings.Values["HasNewDomainConnectivityLevel"] = details.HasNewDomainConnectivityLevel ? "New Domain Connectivity Level" : null;
localSettings.Values["HasNewHostNameList"] = details.HasNewHostNameList ? "New HostName List" : "";
localSettings.Values["HasNewInternetConnectionProfile"] = details.HasNewInternetConnectionProfile ? "New Internet Connection Profile" : null;
localSettings.Values["HasNewNetworkConnectivityLevel"] = details.HasNewNetworkConnectivityLevel ? "New Network Connectivity Level" : null;
ConnectionProfile profile = NetworkInformation.GetInternetConnectionProfile();
if (profile == null)
{
localSettings.Values["InternetProfile"] = "Not connected to Internet";
localSettings.Values["NetworkAdapterId"] = "Not connected to Internet";
}
else
{
localSettings.Values["InternetProfile"] = profile.ProfileName;
var networkAdapterInfo = profile.NetworkAdapter;
if (networkAdapterInfo == null)
{
localSettings.Values["NetworkAdapterId"] = "Not connected to Internet";
}
else
{
localSettings.Values["NetworkAdapterId"] = networkAdapterInfo.NetworkAdapterId.ToString();
}
}
}
catch (Exception e)
{
Debug.WriteLine("Unhandled exception: " + e.ToString());
}
}
