flutter_upi 0.0.2 flutter_upi: ^0.0.2 copied to clipboard
A flutter plugin to invoke UPI apps on the phone for Android.
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter_upi/flutter_upi.dart';
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
Future _initiateTransaction;
GlobalKey<ScaffoldState> _key;
@override
void initState() {
super.initState();
_key = GlobalKey<ScaffoldState>();
//_initiateTransaction = initTransaction();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<String> initTransaction(String app) async {
String response = await FlutterUpi.initiateTransaction(
app: app,
pa: "apoorvaagarwal@upi",
pn: "Apoorva Agarwal",
tr: "TR1234",
tn: "This is a test transaction",
am: "5.01",
cu: "INR",
url: "https://www.google.com");
print(response);
return response;
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
key: _key,
appBar: AppBar(
backgroundColor: Colors.blue[800],
title: const Text('Flutter UPI Plugin Demo'),
),
body: Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Padding(
padding: const EdgeInsets.all(16.0),
child: FutureBuilder(
future: _initiateTransaction,
builder: (BuildContext ctx, AsyncSnapshot snapshot) {
if (snapshot.connectionState == ConnectionState.waiting ||
snapshot.data == null) {
return Text("Processing or Yet to start...");
} else {
switch (snapshot.data.toString()) {
case 'app_not_installed':
return Text("Application not installed.");
break;
case 'invalid_params':
return Text("Request parameters are wrong");
break;
case 'user_canceled':
return Text("User canceled the flow");
break;
case 'null_response':
return Text("No data received");
break;
default:
{
FlutterUpiResponse flutterUpiResponse =
FlutterUpiResponse(snapshot.data);
print(flutterUpiResponse.txnId);
return Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: <Widget>[
Expanded(
flex: 2, child: Text("Transaction ID")),
Expanded(
flex: 3,
child: Text(flutterUpiResponse.txnId)),
],
),
Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: <Widget>[
Expanded(
flex: 2,
child: Text("Transaction Reference")),
Expanded(
flex: 3,
child: Text(flutterUpiResponse.txnRef)),
],
),
Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: <Widget>[
Expanded(
flex: 2,
child: Text("Transaction Status")),
Expanded(
flex: 3,
child: Text(flutterUpiResponse.Status)),
],
),
Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: <Widget>[
Expanded(
flex: 2,
child: Text("Approval Reference Number"),
),
Expanded(
flex: 3,
child: Text(
flutterUpiResponse.ApprovalRefNo ??
""),
),
],
),
Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: <Widget>[
Expanded(
flex: 2,
child: Text("Response Code"),
),
Expanded(
flex: 3,
child:
Text(flutterUpiResponse.responseCode),
),
],
),
],
);
}
}
}
},
),
),
],
),
),
bottomNavigationBar: BottomAppBar(
color: Colors.blue,
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
FlatButton(
color: Colors.blue,
child: Text(
"Pay Now with PayTM",
style: TextStyle(color: Colors.white),
),
onPressed: () {
_initiateTransaction = initTransaction(FlutterUpiApps.PayTM);
setState(() {});
},
),
Divider(
height: 1.0,
color: Colors.white,
),
FlatButton(
color: Colors.blue,
child: Text(
"Pay Now with BHIM UPI",
style: TextStyle(color: Colors.white),
),
onPressed: () {
_initiateTransaction =
initTransaction(FlutterUpiApps.BHIMUPI);
setState(() {});
},
),
Divider(
height: 1.0,
color: Colors.white,
),
FlatButton(
color: Colors.blue,
child: Text(
"Pay Now with Google Pay",
style: TextStyle(color: Colors.white),
),
onPressed: () {
_initiateTransaction =
initTransaction(FlutterUpiApps.GooglePay);
setState(() {});
},
),
],
),
),
),
);
}
}