public static async Task AppendLineToFileAsync(string fileName, string line)
{
try
{
#if UWP
var folder = ApplicationData.Current.LocalFolder;
var file = await folder.CreateFileAsync(fileName, CreationCollisionOption.OpenIfExists);
await FileIO.AppendLinesAsync(file, new List <string>() { line });
#else
IFolder folder = FileSystem.Current.LocalStorage;
IFile file = await folder.CreateFileAsync(fileName, CreationCollisionOption.OpenIfExists);
await file.AppendAllLinesAsync(new List <string>() { line });
#endif
}
catch { /* Avoid any exception at this point. */ }
}
