/// <summary>
/// Set the network roaming preference asynchronously.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <param name="roamPref">The network roaming preference.</param>
/// <returns>A task indicating whether the SetRoamingPreference method is done or not.</returns>
/// <privilege>http://tizen.org/privilege/telephony.admin</privilege>
/// <privlevel>platform</privlevel>
/// <feature>http://tizen.org/feature/network.telephony</feature>
/// <exception cref="System.NotSupportedException">Thrown when feature is not supported.</exception>
/// <exception cref="System.UnauthorizedAccessException">Thrown when privilege access is denied.</exception>
/// <exception cref="System.InvalidOperationException">Thrown when network instance is invalid or when method failed due to invalid operation.</exception>
public Task SetRoamingPreference(NetworkPreferred roamPref)
{
TaskCompletionSource <bool> task = new TaskCompletionSource <bool>();
IntPtr id;
id = (IntPtr)_requestId++;
_response_map[id] = (IntPtr handle, int result, IntPtr dataResponse, IntPtr key) =>
{
Task resultTask = new Task(() =>
{
if (result != (int)TapiError.Success)
{
Log.Error(TapiUtility.LogTag, "Error occurs during setting the network roaming preference, " + (TapiError)result);
task.SetException(new InvalidOperationException("Error occurs during setting the network roaming preference, " + (TapiError)result));
return;
}
task.SetResult(true);
});
resultTask.Start();
resultTask.Wait();
_response_map.Remove(key);
};
int ret = Interop.Tapi.Network.SetNetworkRoamPreference(_handle, roamPref, _response_map[id], id);
if (ret != (int)TapiError.Success)
{
Log.Error(TapiUtility.LogTag, "Failed to set the network roaming preference, Error: " + (TapiError)ret);
TapiUtility.ThrowTapiException(ret, _handle, "http://tizen.org/privilege/telephony.admin");
}
return(task.Task);
}
private async void SetGetRoamPrefBtn_Clicked(object sender, EventArgs e)
{
try
{
Log.Debug(Globals.LogTag, "Set and get roaming preference start");
var action = await DisplayActionSheet("Operation", "Cancel", null, Enum.GetNames(typeof(NetworkPreferred)));
Log.Debug(Globals.LogTag, "Action: " + action);
if (action != null)
{
NetworkPreferred mode = (NetworkPreferred)Enum.Parse(typeof(NetworkPreferred), action);
await network.SetRoamingPreference(mode);
NetworkPreferred curMode = await network.GetRoamingPreference();
if (curMode == mode)
{
Log.Debug(Globals.LogTag, "Set and get roaming preference is success, currentmode = " + curMode);
}
else
{
Log.Debug(Globals.LogTag, "Set and get roaming preference has failed, currentmode = " + curMode + ", while the network mode was set to " + mode);
}
}
}
catch (Exception ex)
{
Log.Debug(Globals.LogTag, "Set and Get roaming preference ,exception = " + ex.ToString());
}
}
internal static extern int SetNetworkRoamPreference(IntPtr handle, NetworkPreferred prefRoam, TapiResponseCallback cb, IntPtr userData);
