updateGroupAnnouncement method
更新群公告
Implementation
void updateGroupAnnouncement({
final String groupId,
final String announcement,
onSuccess(),
onError(int errorCode, String desc)}){
Future<Map<String, dynamic>> result = _emGroupManagerChannel
.invokeMethod(EMSDKMethod.updateGroupAnnouncement, {"groupId" : groupId, "announcement" : announcement});
result.then((response) {
if (response['success']) {
if (onSuccess != null) {
onSuccess();
}
} else {
if (onError != null) onError(response['code'], response['desc']);
}
});
}