private async void SaveServicesAsync(IEnumerable <ServiceInformation> services)
{
var serviceFile = await RoamingFolder.CreateFileAsync(
ServicesFileName,
CreationCollisionOption.ReplaceExisting);
using (var servicesStream = await serviceFile.OpenStreamForWriteAsync())
{
_serializer.WriteObject(servicesStream, services.ToList());
}
ServicesUpdated();
}
/// <summary>
/// Removes all application data from the local, roaming, and temporary app data stores.
/// </summary>
/// <returns></returns>
public Task ClearAsync()
{
#if WINDOWS_UWP || WINDOWS_APP || WINDOWS_PHONE_APP || WINDOWS_PHONE
return(_applicationData.ClearAsync().AsTask());
#else
return(Task.Run(async() =>
{
await LocalFolder?.DeleteAllItems();
LocalSettings?.Values.Clear();
await RoamingFolder?.DeleteAllItems();
RoamingSettings?.Values.Clear();
await TemporaryFolder?.DeleteAllItems();
}));
#endif
}
public async Task <IEnumerable <ServiceInformation> > LoadServicesAsync()
{
var serviceFile = await RoamingFolder.CreateFileAsync(
ServicesFileName,
CreationCollisionOption.OpenIfExists);
using (var servicesStream = await serviceFile.OpenStreamForReadAsync())
{
if (servicesStream.Length == 0)
{
return(Enumerable.Empty <ServiceInformation>());
}
return(_serializer.ReadObject(servicesStream) as List <ServiceInformation>);
}
}
/// <summary>
/// Removes all application data from the specified app data store.
/// </summary>
/// <param name="locality">One of the enumeration values.</param>
/// <returns></returns>
public Task ClearAsync(ApplicationDataLocality locality)
{
return(Task.Run(async() =>
{
switch (locality)
{
case ApplicationDataLocality.Local:
await LocalFolder?.DeleteAllItems();
LocalSettings?.Values.Clear();
break;
case ApplicationDataLocality.Roaming:
await RoamingFolder?.DeleteAllItems();
RoamingSettings?.Values.Clear();
break;
case ApplicationDataLocality.Temporary:
await TemporaryFolder?.DeleteAllItems();
break;
}
}));
}
