public sp_error CreateSession()
{
if (ActiveSession())
throw new InvalidOperationException("There can only be one instance of the Spotify service.");
_cacheLocation = "tmp";
_settingsLocation = "tmp";
IntPtr appKeyHandle = Marshal.AllocHGlobal(SpotifyAppKey.ApplicationKey.Length);
Marshal.Copy(SpotifyAppKey.ApplicationKey, 0, appKeyHandle, SpotifyAppKey.ApplicationKey.Length);
_notifyMainThreadCallback = NotifyMainThreadCallback;
_loginCallback = LoginCallback;
_searchCallback = SearchCallback;
_sessionCallbacks.notify_main_thread =
Marshal.GetFunctionPointerForDelegate(_notifyMainThreadCallback);
_sessionCallbacks.connection_error =
Marshal.GetFunctionPointerForDelegate(new connection_error(ConnectionErrorCallback));
_sessionCallbacks.logged_in = Marshal.GetFunctionPointerForDelegate(_loginCallback);
IntPtr sessionCallbacksPtr = Marshal.AllocHGlobal(Marshal.SizeOf(_sessionCallbacks));
Marshal.StructureToPtr(_sessionCallbacks, sessionCallbacksPtr, true);
_sessionConfig = new sp_session_config
{
api_version = SpotifyApiVersion,
cache_location = _cacheLocation,
settings_location = _cacheLocation,
application_key = appKeyHandle,
application_key_size = SpotifyAppKey.ApplicationKey.Length,
user_agent = UserAgent,
callbacks = sessionCallbacksPtr,
userdata = IntPtr.Zero,
compress_playlists = false,
dont_save_metadata_for_playlists = true,
initially_unload_playlists = true
};
var error = sp_session_create(ref _sessionConfig, out _sessionHandle);
if (error == sp_error.SP_ERROR_OK)
Debug.WriteLine("Session successfully created.");
else
Debug.WriteLine("Session creation failed with error {0}", error);
return error;
}
public static extern sp_error sp_session_create(ref sp_session_config config, out IntPtr sessionHandle);
