prepaid_lib_flutter 1.0.1 prepaid_lib_flutter: ^1.0.1 copied to clipboard
This is plugin for get balance and update balance.
example/lib/main.dart
import 'dart:convert';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:prepaid_lib_flutter/unik_lib_flutter.dart';
import 'package:intl/intl.dart';
import 'package:unik_lib_flutter_example/screen/TapCard.dart';
// import 'package:unique_identifier/unique_identifier.dart';
void main() {
WidgetsFlutterBinding.ensureInitialized();
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
body: Center(child: NfcScan()),
),
);
}
}
class NfcScan extends StatefulWidget {
NfcScan({Key key}) : super(key: key);
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<NfcScan> {
String _balance = "0", _cardNumber = "000000000000000", _status = "Unknown";
String _bgCard = "images/mandiri_bg.png";
bool _isLoading = false;
String paidAmount;
String _identifier = 'Unknown';
String _bankName;
bool isSuccessInit;
List<dynamic> listHistory;
@override
void initState() {
super.initState();
initLibrary();
}
void initLibrary() async {
print("mid : 1bdaf34aef1656dcb2abe461255d8f57");
isSuccessInit =
await UnikLibFlutter.initUnikLib("1bdaf34aef1656dcb2abe461255d8f57", 1);
print("isSuccessInit $isSuccessInit");
}
void getCardInfo() async {
_setStateDefault();
/// optional you can use List<String> varName = List<String>.filled(1, "");
List<String> cardUid = [''];
List<String> cardNumber = [''];
List<String> balance = [''];
List<String> bankName = [''];
List<String> history = [''];
bool isSuccess = await UnikLibFlutter.getCardInfo(
cardUid, cardNumber, balance, bankName,
startPooling: true,
callbackTimeout: (bool isTimeout) {
//Todo : Timeout pool supported
print("timeout $isTimeout");
return false;
},
errorNfc: (bool nfcIsNotDetected) {
//Todo : Card not supported
print("--> errorNfc $nfcIsNotDetected");
return false;
},
callbackState: (String value) => print(value)).catchError((onError) {
print("catcherror : $onError");
return false;
});
/*print(
"isSuccess $isSuccess, cardNumber ${cardNumber[0]}, balance ${balance[0]}, bankName ${bankName[0]}");*/
// bool jsonHistory = await UnikLibFlutter.getHistory(history);
// print("jsonHistory ${history[0]}");
// this.setState(() {
// listHistory = jsonDecode(history[0]);
// });
if (isSuccess) {
UnikLibFlutter.stopReader(messageSuccess: "Cek saldo berhasil");
_setStateCard(true, cardNumber[0], balance[0], bankName[0]);
} else {
print("Terjadi kesalahan");
_setStateDefault();
if (Platform.isAndroid) Navigator.pop(context);
}
// bool historyStatus = await UnikLibFlutter.getHistory(history);
//
// print("History Transaction ${jsonEncode(historyStatus)}");
}
void updateBalance() async {
_setStateDefault();
List<String> status = [null];
List<String> cardNumber = [null];
List<String> balance = [null];
List<String> bankName = [null];
List<String> beforeBalance = [null];
// if (isSuccessInit) {
bool isSuccess = await UnikLibFlutter.updateBalance(status, cardNumber,
balance, bankName, beforeBalance, "085735442829", "developer@mdd.co.id",
callbackState: (String stateOperation) =>
(stateOperation == UnikLibFlutter.WAITING_STATUS)
? UnikLibFlutter.setIosMessage(
"Mohon tunggu, jangan lepaskan kartu")
: print("state operation DONE"),
callbackTimeout: (bool isTimeout) => print("timeout $isTimeout"),
errorNfc: (bool value) => print("error nfc $value"),
reffNo: "23488");
print("isSuccess $isSuccess");
print("status update ${status[0]}");
// print("cardNumber ${cardNumber[0]}");
this.setState(() {
_status = status[0];
});
if (isSuccess) {
UnikLibFlutter.stopReader(messageSuccess: "Update balance berhasil");
_setStateCard(true, cardNumber[0], balance[0], bankName[0]);
} else {
print("Terjadi kesalahan");
UnikLibFlutter.stopReader(messageError: "Update balance gagal");
_setStateCard(false, cardNumber[0], balance[0], bankName[0]);
// Navigator.of(context).pop();
}
// }
}
void _setStateCard(
bool isSuccess, String cardNumber, String balance, String bankName) {
this.setState(() {
_cardNumber = cardNumber ?? "0000000000000000";
_balance = balance ?? "0";
_bgCard =
(bankName == "BNI") ? "images/bni_bg.png" : "images/mandiri_bg.png";
_bankName = bankName;
});
if (Platform.isAndroid) Navigator.pop(context);
}
void _setStateDefault() {
this.setState(() {
_cardNumber = "0000000000000000";
_balance = "0";
_bgCard = "images/mandiri_bg.png";
listHistory = null;
_status = "Unknown";
});
}
Widget listViewBuilder(List<dynamic> list) {
return Container(
height: 300,
child: ListView.builder(
itemBuilder: (context, index) {
return Column(
children: [
Text("amount : ${list[index]["amount"]}"),
Text("date : ${list[index]["date"]}"),
Text("type : ${list[index]["type"]}"),
SizedBox(
height: 10,
)
],
);
},
itemCount: list.length,
),
);
}
@override
Widget build(BuildContext context) {
void _showBottomSheet(dynamic screen, dynamic height) {
showModalBottomSheet(
isScrollControlled: true,
shape: RoundedRectangleBorder(
borderRadius: new BorderRadius.only(
topLeft: const Radius.circular(25.0),
topRight: const Radius.circular(25.0),
),
),
context: context,
builder: (builder) {
return new Container(
height: MediaQuery.of(context).size.height * height,
color: Colors.transparent,
//could change this to Color(0xFF737373),
//so you don't have to change MaterialApp canvasColor
child: new Container(
child: new Center(
child: screen,
)),
);
});
}
return Scaffold(
body: Container(
height: MediaQuery.of(context).size.height,
width: MediaQuery.of(context).size.width,
child: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Container(
width: MediaQuery.of(context).size.width,
height: 200,
decoration: BoxDecoration(
image: DecorationImage(
fit: BoxFit.fill,
image: AssetImage('images/bg_home.png'),
)),
child: Align(
alignment: Alignment(0, 17),
child: Container(
padding: EdgeInsets.only(left: 20, right: 20),
decoration: BoxDecoration(
image: DecorationImage(
fit: BoxFit.fill, image: AssetImage(_bgCard)),
borderRadius: BorderRadius.circular(25),
color: Colors.white,
boxShadow: [
BoxShadow(
color: Colors.grey.withOpacity(0.3),
spreadRadius: 2,
blurRadius: 2,
offset:
Offset(3, 3), // changes position of shadow
),
],
),
width: 322,
height: 190,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
SizedBox(
height: 70,
),
DefaultTextStyle(
style: TextStyle(color: Colors.black),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
_cardNumber.replaceAllMapped(
RegExp(r".{4}"),
(match) => "${match.group(0)} "),
style: TextStyle(
color: Colors.white,
fontSize: 18) ??
"0000000000000000"),
SizedBox(
height: 17,
),
Text("Saldo",
style: TextStyle(
color: Colors.white38,
fontSize: 15)),
SizedBox(
height: 3,
),
Text(
NumberFormat.simpleCurrency(
locale: 'id_ID')
.format(int.parse(_balance) ?? "0"),
style: TextStyle(color: Colors.white)),
],
))
],
)),
),
),
SizedBox(
height: 100,
),
Container(
width: 300,
child: ElevatedButton.icon(
label: Text('Update'),
icon: Icon(Icons.update_rounded),
onPressed: () {
updateBalance();
if (Platform.isAndroid)
_showBottomSheet(TapCard(), 0.50);
},
)),
SizedBox(
height: 30,
),
Align(
alignment: Alignment.center,
child: _isLoading
? CircularProgressIndicator()
: Text(_status ?? "Unknown"),
),
SizedBox(
height: 10,
),
(listHistory != null)
? listViewBuilder(listHistory)
: SizedBox(
width: 1,
)
],
),
)),
floatingActionButton: FloatingActionButton(
onPressed: () async {
// if (isSuccessInit) {
getCardInfo();
if (Platform.isAndroid) _showBottomSheet(TapCard(), 0.50);
// } else {
// print("Init Failed");
// }
},
child: const Icon(Icons.cached),
backgroundColor: Colors.blue,
),
);
}
// Future<void> initPlatformState() async {
// String identifier;
// try {
// identifier = await UniqueIdentifier.serial;
// } on PlatformException {
// identifier = 'Failed to get Unique Identifier';
// }
//
// if (!mounted) return;
//
// setState(() {
// _identifier = identifier;
// });
//
// print("Unique $_identifier");
// }
}