public static async void Save <T>(List <T> list, string filename)
{
var helper = new LocalObjectStorageHelper();
if (list.Count != 0)
{
await helper.SaveFileAsync(filename, list);
}
else
{
if (await StorageFileHelper.FileExistsAsync(ApplicationData.Current.LocalFolder, filename))
{
StorageFile file = await ApplicationData.Current.LocalFolder.GetFileAsync(filename);
await file.DeleteAsync();
}
}
}
public static async void LoadKeysAsync()
{
// https://docs.microsoft.com/de-de/windows/uwp/get-started/fileio-learning-track
// aktueller Ordner
StorageFolder storageFolder = ApplicationData.Current.LocalFolder;
// LocalState
bool result = await StorageFileHelper.FileExistsAsync(storageFolder, fileNameOfKeys, false).ConfigureAwait(true);
if (result == true)
{
StorageFile file = await storageFolder.GetFileAsync(fileNameOfKeys);
var keys = await FileIO.ReadLinesAsync(file);
if (keys.Count > 0)
{
Default.DropBoxAppToken = keys[0];
}
if (keys.Count > 1)
{
Default.OpenWeatherMapKey = keys[1];
}
if (keys.Count > 2)
{
Default.NewsAPIKey = keys[2];
}
if (keys.Count > 3)
{
Default.MapsAPIKey = keys[3];
}
if (keys.Count > 4)
{
Default.ApplicationId = keys[4];
}
if (keys.Count > 5)
{
Default.NetKey = keys[5];
}
}
}