/// <inheritdoc />
public override void OnCreate()
{
base.OnCreate();
_actionMainActivity = $"{Application.PackageName}.show_main_activity";
_notificationManager = GetSystemService(NotificationService) as NotificationManager;
if (_notificationManager == null)
{
throw new Exception("Unable to get NotificationManager in NativeBackgroundService");
}
// Create notification channel
if (Build.VERSION.SdkInt >= BuildVersionCodes.O)
{
var notificationChannel = new NotificationChannel(_builder.ChannelId,
_builder.ChannelName, _builder.NotificationImportance)
{
LockscreenVisibility = _builder.NotificationVisibility
};
_notificationManager.CreateNotificationChannel(notificationChannel);
}
_backgroundService = _builder.Build();
var periodicServices = _backgroundService.GetPeriodicServices();
foreach (var(periodicService, period) in periodicServices)
{
_backgroundServiceTasks.Add(new BackgroundServiceTask(periodicService, period));
}
}
private async Task StartAsync()
{
try
{
await _backgroundService.StartAsync(_cancellationTokenSource.Token);
var periodicServices = _backgroundService.GetPeriodicServices();
foreach (var(periodicService, period) in periodicServices)
{
Debug.WriteLine($"Periodic service starting: {periodicService.Name}");
_ = Task.Run(
async() => await PeriodicTaskWrapper(periodicService, period, _cancellationTokenSource.Token),
_cancellationTokenSource.Token)
.ConfigureAwait(false);
Debug.WriteLine($"Periodic service started: {periodicService.Name}");
}
}
catch (Exception e)
{
Debug.WriteLine(e);
}
}
