add update phone number and recovery email

lib/pages/signin/sms_code_page.dart

@@ -12,13 +12,15 @@ import 'package:flutter/material.dart';
 import 'package:pin_input_text_field/pin_input_text_field.dart';
 import 'package:provider/provider.dart';
 
+import '../../constants.dart';
 import '../../helpers/theme.dart';
 
-const resend_count_sec = 30;
-
 class SmsCodePage extends StatefulWidget {
   final String phoneNumber;
-  const SmsCodePage({Key? key, required this.phoneNumber}) : super(key: key);
+  final String? forceResendingToken;
+  const SmsCodePage(
+      {Key? key, required this.phoneNumber, this.forceResendingToken})
+      : super(key: key);
   @override
   _SmsCodePageState createState() => _SmsCodePageState();
 }
@@ -26,16 +28,18 @@ class SmsCodePage extends StatefulWidget {
 class _SmsCodePageState extends State<SmsCodePage> {
   bool _isLoading = false;
   bool canResend = false;
-  int _start = resend_count_sec;
+  int _start = resendCountSec;
 
   late String pin;
   late bool allNumberEntered;
   late Timer _timer;
+  String? _forceResendingToken;
 
   @override
   void initState() {
     pin = "";
     allNumberEntered = false;
+    _forceResendingToken = widget.forceResendingToken;
     super.initState();
     startTimer();
   }
@@ -186,7 +190,28 @@ class _SmsCodePageState extends State<SmsCodePage> {
     });
   }
 
-  _resend() async {}
+  _resend() async {
+    try {
+      setState(() {
+        _start = resendCountSec;
+        canResend = false;
+      });
+
+      _timer.cancel();
+      startTimer();
+
+      var mainModel = context.read<MainModel>();
+
+      AuthResult auth = await mainModel.sendSms(widget.phoneNumber,
+          forceResendingToken: _forceResendingToken);
+
+      if (auth.authStatus == AuthStatus.SMS_SENT) {
+        _forceResendingToken = auth.forceResendingToken;
+      }
+    } catch (e) {
+      await showMsgDialog(context, "Error", e.toString());
+    }
+  }
 
   _verify() async {
     setState(() {