public static string SerializeXml(SPMSettings s)
{
try
{
return(SerializationHelper.SerializeXml(s));
}
catch (Exception e)
{
// TODO: log
return(null);
}
}
public async Task <bool> SaveCurrentSettings()
{
try
{
var file = await ApplicationData.Current.LocalFolder.CreateFileAsync(SETTINGS_FILE, CreationCollisionOption.ReplaceExisting);
string content = SPMSettings.SerializeXml(settings);
await FileIO.WriteTextAsync(file, content);
}
catch (Exception e)
{
// TODO: log
return(false);
}
return(true);
}
public async Task LoadSettings()
{
// determine whether a settings file already exists
// if not, create it
bool exists = false;
StorageFile file = null;
try
{
file = await ApplicationData.Current.LocalFolder.GetFileAsync(SETTINGS_FILE);
exists = true;
}
catch (FileNotFoundException)
{
}
catch (Exception e)
{
// TODO: log
}
// read the settings, or create a default one
if (exists)
{
string content = await FileIO.ReadTextAsync(file);
settings = SPMSettings.DeserializeXml(content);
if (settings == null)
{
// TODO: log
settings = new SPMSettings();
}
}
else
{
settings = new SPMSettings();
}
}