public async void Run(IBackgroundTaskInstance taskInstance)
{
BackgroundWorkCostValue cost = BackgroundWorkCost.CurrentBackgroundWorkCost;
if (cost != BackgroundWorkCostValue.High)
{
this.deferral = taskInstance.GetDeferral();
if (this.IsBackgroundTestEnable)
{
await this.StartBackgroundSpeedTest();
this.LoopingUntilTestEndedOrErrorOccur();
this.CreateNotificationWhenTestEnded();
this.InitializeNextTest();
}
deferral.Complete(); // Ending background test
}
else
{
return;
}
}
public async void Run(IBackgroundTaskInstance taskInstance)
{
BackgroundWorkCostValue cost = BackgroundWorkCost.CurrentBackgroundWorkCost;
if (cost == BackgroundWorkCostValue.High)
{
return;
}
if (taskInstance.TriggerDetails is ApplicationTriggerDetails applicationTriggerDetails)
{
ValueSet valueSet = applicationTriggerDetails.Arguments;
int valueSetCount = valueSet.Count;
}
using (var cts = new CancellationTokenSource())
{
taskInstance.Canceled += (sender, reason) =>
{
cts.Cancel();
};
BackgroundTaskDeferral deferral = taskInstance.GetDeferral();
try
{
await InternalRun(taskInstance, cts.Token);
}
finally
{
deferral.Complete();
}
}
}
/// <summary>
/// Work that should be performed from the background agent.
/// </summary>
/// <returns>Awaitable task is returned.</returns>
public async Task TimedBackgroundWorkAsync(BackgroundWorkCostValue cost, CancellationToken ct)
{
try
{
// Perform work that needs to be done on a background task/agent...
//// Only perform work if user is authenticated
//if (Platform.Current.AuthManager.IsAuthenticated() == false)
// return Task.CompletedTask;
// SAMPLE - Load data from your API, do any background work here.
var data = await DataSource.Current.GetQueueItemsAsync(Platform.Current.AuthManager.User?.ID, ct);
if (data != null)
{
var items = data.ToObservableCollection();
if (items.Count > 0)
{
var index = DateTime.Now.Second % items.Count;
Platform.Current.Notifications.DisplayToast(items[index].Item);
}
}
//ct.ThrowIfCancellationRequested();
if (cost <= BackgroundWorkCostValue.Medium)
{
// Update all voice commands
await Platform.Current.ViewModel.UpdateVoiceCommandsAsync(ct);
// Load queue data
await Platform.Current.ViewModel.QueueViewModel.RefreshAsync();
ct.ThrowIfCancellationRequested();
// Update primary tile
await Platform.Current.Notifications.CreateOrUpdateTileAsync(Platform.Current.ViewModel.QueueViewModel);
ct.ThrowIfCancellationRequested();
// Update all tiles pinned from this application
await Platform.Current.Notifications.UpdateAllSecondaryTilesAsync(ct);
}
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
Platform.Current.Logger.LogErrorFatal(ex, "Failed to complete BackgroundWork from background task due to: {0}", ex.Message);
throw ex;
}
}
/// <summary>
/// Work that should be performed from the background agent.
/// </summary>
/// <returns>Awaitable task is returned.</returns>
public async Task TimedBackgroundWorkAsync(BackgroundWorkCostValue cost, CancellationToken ct)
{
try
{
// Perform work that needs to be done on a background task/agent...
//// Only perform work if user is authenticated
//if (Platform.Current.AuthManager.IsAuthenticated() == false)
// return Task.CompletedTask;
// SAMPLE - Load data from your API, do any background work here.
var data = await DataSource.Current.GetQueueItemsAsync(Platform.Current.AuthManager.User?.ID, ct);
if (data != null)
{
var items = data.ToObservableCollection();
if (items.Count > 0)
{
var index = DateTime.Now.Second % items.Count;
Platform.Current.Notifications.DisplayToast(items[index].Item);
}
}
//ct.ThrowIfCancellationRequested();
if (cost <= BackgroundWorkCostValue.Medium)
{
// Update all voice commands
await Platform.Current.ViewModel.UpdateVoiceCommandsAsync(ct);
// Load queue data
await Platform.Current.ViewModel.QueueViewModel.RefreshAsync();
ct.ThrowIfCancellationRequested();
// Update primary tile
await Platform.Current.Notifications.CreateOrUpdateTileAsync(Platform.Current.ViewModel.QueueViewModel);
ct.ThrowIfCancellationRequested();
// Update all tiles pinned from this application
await Platform.Current.Notifications.UpdateAllSecondaryTilesAsync(ct);
}
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
Platform.Current.Logger.LogErrorFatal(ex, "Failed to complete BackgroundWork from background task due to: {0}", ex.Message);
throw ex;
}
}