Odtnhj

hello I tried to run code after received sms, if sms isn't reveived before 60s I show an alertdialog. Currently my problem is, when I send some sms ( about 20 ) my alert dialog is show directly after press the sms sending button without waiting the 60s of delay.

Here is my complet exemple:

import 'package:flutter/material.dart';
import 'package:sms/sms.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget 
 // This widget is the root of your application.
 @override
 Widget build(BuildContext context) 
 return new MaterialApp(
 title: 'Flutter Demo',
 theme: new ThemeData(
 primarySwatch: Colors.blue,
 ),
 home: new SettingsPage()
 );
 
 
class SettingsPage extends StatefulWidget 
@override
_SettingsPageState createState() => new _SettingsPageState();


class _SettingsPageState extends State<SettingsPage> 
 bool visibility_waiting;
 String group_last_sms;
 SmsMessage _lastMessage = new SmsMessage('', '');


 @override
 void initState() 
 super.initState();
 visibility_waiting=false;
 new SmsReceiver().onSmsReceived.listen((SmsMessage msg) //create an sms listener

 if (msg.address == "your phone number") //for the test, I wait to receive my owm message to make action
 setState(() 
 _lastMessage = msg;
 );

 RegExp regExp = new RegExp( // regexp function to extract particular string in the sms and make an action
 r"(test)",
 );
 var match = regExp.firstMatch(_lastMessage.body); // listen the last sms
 group_last_sms = match.group(1);
 if (group_last_sms=="test")
 setState(() 
_changed(false, "waiting"); // hide visibility of text and circular progress indicator
visibility_waiting=false;
 );
 
 
 );

 
 Widget build(BuildContext context) 
 return Scaffold(

 body: Stack (


 children: <Widget>[
 _buildWidgetContent(), // widget with my raised button , to send test sms

 visibility_waiting?Positioned( // when i press raised button , I show progres indicator, If "test" sms is received I hide circular progress indicator,

 child: Center(
 child: CircularProgressIndicator(
 valueColor: AlwaysStoppedAnimation<Color>(Colors.lightBlue),
 ),
 ),


 ): new Container(),


 visibility_waiting? // when i press raised button , I show text, If "test" sms is received I hide text,
 new Row(
 mainAxisAlignment: MainAxisAlignment.center,
 children: <Widget>[
 Column (
 mainAxisAlignment: MainAxisAlignment.center,
 children: <Widget>[
 new Container(
 padding: const EdgeInsets.all(80.0),),
 Text('sending sms, please wait', style: TextStyle(color: Colors.black, fontWeight: FontWeight.w600, fontSize: 18.0,
 )),
 ],
 ),
 ],
 ): new Container(),
 ],
 )
 );
 

 void _changed(bool visibility, String field) // function for hide or show circular progress indicator
setState(() 
 if (field == "waiting")
 visibility_waiting = visibility;
 
 
 );
 

 @override
Widget _buildWidgetContent( ) 

return new Scaffold(
 appBar: new AppBar(
 ),
 body: new Stack(
 children: <Widget>[

 new Center(
 child : new RaisedButton(

 onPressed: ()
 
 visibility_waiting=true;
 _changed(true, "waiting");
 handleSignIn();

 new SmsSender().sendSms(new SmsMessage(
 "your phone number","test;" )
 );
 
 )

 )
 ],
 ));
 

 Future<Null> handleSignIn() async 

await new Future.delayed(const Duration(seconds:20)); //wait the sms
 if ( visibility_waiting ==true) // if sms is not received before 60s _chargement is true so I show an error dialog
 setState(() 
 visibility_waiting =false;
 _changed(false, "waiting");
 erreurcommunication();
 
 );
 




 Future<Null>erreurcommunication() async // alerte dialog when I have waited more than 60s

 await showDialog<String>(
 context: context,
 barrierDismissible: false,
 child: new AlertDialog(
 title: new Text("Problème de reseau"),
 content: new SingleChildScrollView(
 child: new Column(
 mainAxisAlignment: MainAxisAlignment.center,
 children: <Widget>[
 new Text("veuillez reessayer"),

 new OutlineButton(
 child: new Text('ok', style: TextStyle(color: Colors.black)),
 onPressed: ()
 setState(() 
 Navigator.pop(context);
 
 
 );
 ,
 highlightElevation: 4.0,
 borderSide: new BorderSide(width: 3.0, color: Colors.grey.shade300),
 highlightColor : Colors.white,
 shape: new RoundedRectangleBorder(borderRadius: new BorderRadius.circular(30.0))
 ),
 Container ( padding: const EdgeInsets.all(2.0),),
 ],
 ),
 ),
 )
 );
 

You can copy past this code and try with your phone number. After about 20 press the delay function shunt the 60s of delays and show the alert dialog.

I tried to isolate more the issue. I have remove the sms function and I add a delay to simulate the sms reception. Result : same issue,some time erreurcommunication() is call before 20s of delays.

 import 'package:flutter/material.dart';


 void main() => runApp(new MyApp());

 class MyApp extends StatelessWidget 
 // This widget is the root of your application.
 @override
 Widget build(BuildContext context) 
 return new MaterialApp(
 title: 'Flutter Demo',
 theme: new ThemeData(
 primarySwatch: Colors.blue,
 ),
 home: new SettingsPage()
 );
 
 
class SettingsPage extends StatefulWidget 
 @override
 _SettingsPageState createState() => new _SettingsPageState();


class _SettingsPageState extends State<SettingsPage> 
bool visibility_waiting;


@override
void initState() 
super.initState();
visibility_waiting=false;
 
 Widget build(BuildContext context) 
return Scaffold(

 body: Stack (


 children: <Widget>[
 _buildWidgetContent(), // widget with my raised button , to send test sms

 visibility_waiting?Positioned( // when i press raised button , I show progres indicator, If "test" sms is received I hide circular progress indicator,

 child: Center(
 child: CircularProgressIndicator(
 valueColor: AlwaysStoppedAnimation<Color>(Colors.lightBlue),
 ),
 ),


 ): new Container(),


 visibility_waiting? // when i press raised button , I show text, If "test" sms is received I hide text,
 new Row(
 mainAxisAlignment: MainAxisAlignment.center,
 children: <Widget>[
 Column (
 mainAxisAlignment: MainAxisAlignment.center,
 children: <Widget>[
 new Container(
 padding: const EdgeInsets.all(80.0),),
 Text('sending sms, please wait', style: TextStyle(color: Colors.black, fontWeight: FontWeight.w600, fontSize: 18.0,
 )),
 ],
 ),
 ],
 ): new Container(),
 ],
 )
 );
 

 void _changed(bool visibility, String field) // function for hide or show circular progress indicator
setState(() 
 if (field == "waiting")
 visibility_waiting = visibility;
 

);
 

 @override
 Widget _buildWidgetContent( ) 

return new Scaffold(
 appBar: new AppBar(
 ),
 body: new Stack(
 children: <Widget>[

 new Center(
 child : new RaisedButton(
 onPressed: ()
 
 setState(() 
 visibility_waiting=true;
 _changed(true, "waiting");
 handleSignIn1(); //waiting 2s before hide progress indicator 
 );
 
 )

 )
 ],
 ));
 
 Future<Null> handleSignIn1() async 

 await new Future.delayed(const Duration(seconds:2)); //simulate the sms received

 visibility_waiting =false;
 _changed(false, "waiting");
 handleSignIn2(); // waitig 20s before show error dialog. the issue = error dialog is show before 20s 

 
 
Future<Null> handleSignIn2() async 

await new Future.delayed(const Duration(seconds:20)); //wait the sms 20s
 if ( visibility_waiting ==true) // in this case visibility_waiting is always false before 20s, so erreurcommunication() can't be call. currently some time erreurcommunication() is call directly after press raisedbutton
 setState(() 
 visibility_waiting =false;
 _changed(false, "waiting");
 erreurcommunication();
 
 );
 



 Future<Null>erreurcommunication() async // alerte dialog when I have waited more than 60s

await showDialog<String>(
 context: context,
 barrierDismissible: false,
 child: new AlertDialog(
 title: new Text("Problème de reseau"),
 content: new SingleChildScrollView(
 child: new Column(
 mainAxisAlignment: MainAxisAlignment.center,
 children: <Widget>[
 new Text("veuillez reessayer"),

 new OutlineButton(
 child: new Text('ok', style: TextStyle(color: Colors.black)),
 onPressed: ()
 setState(() 
 Navigator.pop(context);
 
 
 );
 ,
 highlightElevation: 4.0,
 borderSide: new BorderSide(width: 3.0, color: Colors.grey.shade300),
 highlightColor : Colors.white,
 shape: new RoundedRectangleBorder(borderRadius: new BorderRadius.circular(30.0))
 ),
 Container ( padding: const EdgeInsets.all(2.0),),
 ],
 ),
 ),
 )
 );