saveDraft method
Implementation
void saveDraft(String draft) async {
await engineProvider.engine?.saveDraftMessage(
_con.conversationType ?? RCIMIWConversationType.invalid,
_con.targetId ?? '',
_con.channelId,
draft,
callback: IRCIMIWSaveDraftMessageCallback(
onDraftMessageSaved: (code) {
if (code == 0) {
_con.draft = draft;
notifyListeners();
}
},
),
);
}