fetchAllContactIds method
~english Gets all the contact ids from the server.
Return The list of contact ids.
Throws A description of the exception. See ChatError. ~end
~chinese 从服务器获取联系人列表。
Return 联系人列表。
Throws 如果有方法调用的异常会在这里抛出,可以看到具体错误原因。请参见 ChatError。 ~end
Implementation
Future<List<String>> fetchAllContactIds() async {
Map result =
await _channel.invokeMethod(ChatMethodKeys.getAllContactsFromServer);
try {
ChatError.hasErrorFromResult(result);
List<String> list = [];
result[ChatMethodKeys.getAllContactsFromServer]?.forEach((element) {
if (element is String) {
list.add(element);
}
});
return list;
} on ChatError catch (e) {
throw e;
}
}