/// <summary>
/// Sets a callback delegate for requesting the private data.
/// </summary>
/// <privilege>
/// http://tizen.org/privilege/recorder
/// </privilege>
/// <feature>
/// http://tizen.org/feature/speech.recognition
/// http://tizen.org/feature/microphone
/// </feature>
/// <param name="callback">callback function
/// Called when Stt engine provides the engine service user with the private data.
/// This callback function is called when the engine service user gets the private data from Stt engine.
/// Out Parameters:
/// a = Key -- The key field of private data
/// b = data -- The data field of private data
/// Following Error Codes can be returned
/// 1. None
/// 2. InvalidParameter
/// 3. OperationFailed
/// </param>
/// <exception cref="ArgumentException">Thrown in case of Invalid Parameter</exception>
/// <exception cref="UnauthorizedAccessException">Thrown in case of Permission denied</exception>
/// <exception cref="NotSupportedException">Thrown in case of Not supported</exception>
/// <exception cref="InvalidOperationException">thrown in case of Operation failure</exception>
/// <precondition>
/// Main function should be invoked before this function is called.
/// </precondition>
/// <since_tizen> 4 </since_tizen>
public void SetPrivateDataRequestedDelegate(OutAction <string> callback)
{
if (null == callback)
{
Log.Error(LogTag, "callback is null");
throw ExceptionFactory.CreateException(ErrorCode.InvalidParameter);
}
_privateDataRequestedCallback = callback;
_privateDataRequestedCb = (string key, out string data) =>
{
return(_privateDataRequestedCallback.Invoke(key, out data));
};
Error error = STTESetPrivateDataRequestedCb(_privateDataRequestedCb);
if (error != Error.None)
{
Log.Error(LogTag, "SetPrivateDataRequestedDelegate Failed with error " + error);
throw ExceptionFactory.CreateException((ErrorCode)error);
}
}