/// <inheritdoc/> public async Task AddLocalSoundAsync(Sound s) { Guard.IsNotNull(s, nameof(s)); bool isAlreadyInstalled = await IsSoundInstalledAsync(s.Id); if (isAlreadyInstalled) { return; } _localSoundCache.Add(s); await WriteCacheAsync(); LocalSoundAdded?.Invoke(this, s); }
/// <inheritdoc/> public async Task AddLocalSoundAsync(Sound s) { Guard.IsNotNull(s, nameof(s)); bool isAlreadyInstalled = await IsSoundInstalledAsync(s.Id); if (isAlreadyInstalled) { return; } StorageFile localDataFile = await ApplicationData.Current.LocalFolder.CreateFileAsync( LocalDataFileName, CreationCollisionOption.OpenIfExists); _localSoundCache.Add(s); string json = JsonSerializer.Serialize(_localSoundCache); await FileIO.WriteTextAsync(localDataFile, json); LocalSoundAdded?.Invoke(this, s); }