zkfinger10 0.0.6 
zkfinger10: ^0.0.6 copied to clipboard
flutterdev.uzThe zk_finger10 plugin is used for supporting fingerprint device of ZKTECO with enrolling and verification feature.
// ignore_for_file: prefer_const_constructors
import 'dart:convert';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:uuid/uuid.dart';
import 'package:flutter/services.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:internet_connection_checker/internet_connection_checker.dart';
import 'package:zkfinger10/finger_status.dart';
import 'package:zkfinger10/finger_status_type.dart';
import 'package:zkfinger10/zk_finger.dart';
import 'package:zkfinger10_example/network_info.dart';
import 'functions.dart';
void main() {
WidgetsFlutterBinding.ensureInitialized();
runApp(MaterialApp(home: MyApp()));
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String? _platformVersion = 'Unknown';
final TextEditingController _registerationCodeController =
TextEditingController(text: "MAMASODIKOV");
final TextEditingController _biometricController =
TextEditingController(text: "Here will display base64 finger template");
final TextEditingController _sendUrlController = TextEditingController();
final TextEditingController _idleText1 =
TextEditingController(text: "Copy base64 to verify");
final TextEditingController _idleText2 =
TextEditingController(text: "Copy base64 to verify");
String sendUrl = 'https://google.com/';
String base64Image = 'base64isNotGenerated';
String? score;
String? message;
Map<String, String> users = {};
@override
void dispose() {
ZkFinger.onDestroy();
super.dispose();
}
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
String? platformVersion;
// Platform messages may fail, so we use a try/catch PlatformException.
try {
platformVersion = await ZkFinger.platformVersion;
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
ZkFinger.imageStream.receiveBroadcastStream().listen(mapFingerImage);
ZkFinger.statusChangeStream.receiveBroadcastStream().listen(updateStatus);
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_platformVersion = platformVersion;
});
}
Uint8List? fingerImages;
String statusText = '';
String stringLengthBytes = '';
FingerStatus? fingerStatus;
FingerStatusType? tempStatusType;
bool? isDeviceSupported;
void updateStatus(dynamic value) {
Map<dynamic, dynamic> statusMap = value as Map<dynamic, dynamic>;
FingerStatusType statusType =
FingerStatusType.values[statusMap['fingerStatus']];
fingerStatus = FingerStatus(
statusMap['message'], statusType, statusMap['id'], statusMap['data']);
print(fingerStatus?.message);
if (statusType == tempStatusType &&
tempStatusType == FingerStatusType.CAPTURE_ERROR) {
//ignore capture error when finger device get stuck
statusText = 'CAPTURE ERROR';
} else {
tempStatusType = statusType;
setState(() {
setBiometricBase64TextField();
statusText = statusType.toString();
});
}
}
void setBiometricBase64TextField() {
if (fingerStatus?.statusType == FingerStatusType.ENROLL_SUCCESS) {
resetFieldsData();
_biometricController.text = fingerStatus?.data ?? 'null';
message = '${fingerStatus?.id} enroll';
} else if (fingerStatus?.statusType ==
FingerStatusType.ENROLL_ALREADY_EXIST) {
resetFieldsData();
score = fingerStatus?.data;
message = '${fingerStatus!.id} already enrolled';
} else if (fingerStatus?.statusType == FingerStatusType.FINGER_EXTRACTED) {
resetFieldsData();
_biometricController.text = fingerStatus?.data ?? 'null';
message = fingerStatus?.message;
} else if (fingerStatus!.statusType ==
FingerStatusType.IDENTIFIED_SUCCESS) {
resetFieldsData();
message = '${fingerStatus?.id} identified';
score = fingerStatus?.data;
} else if (fingerStatus!.statusType == FingerStatusType.IDENTIFIED_FAILED) {
resetFieldsData();
message = 'User identify failed';
score = fingerStatus?.data;
} else if (fingerStatus?.statusType == FingerStatusType.VERIFIED_SUCCESS) {
resetFieldsData();
message = 'Given templates are verified';
score = fingerStatus?.data;
} else if (fingerStatus?.statusType == FingerStatusType.VERIFIED_FAILED) {
resetFieldsData();
message = 'Verify failed';
score = fingerStatus?.data;
} else if (fingerStatus?.statusType == FingerStatusType.ENROLL_STARTED) {
resetFieldsData();
message = '${fingerStatus?.id} confirm';
_biometricController.text = 'Current Confirm Index ${fingerStatus?.data}';
} else if (fingerStatus?.statusType == FingerStatusType.ENROLL_CONFIRM) {
resetFieldsData();
message = '${fingerStatus?.id} confirm';
_biometricController.text = 'Current Confirm Index ${fingerStatus?.data}';
} else {
resetFieldsData();
}
stringLengthBytes = 'Text Size: ${_biometricController.text.length} bytes';
statusText = '$statusText$stringLengthBytes\n';
}
void resetFieldsData() {
// _biometricController.text = '---';
message = '---';
score = '---';
}
String uint8ListTob64(Uint8List uint8list) {
String base64String = base64Encode(uint8list);
String header = "data:image/png;base64,";
return header + base64String;
}
void mapFingerImage(dynamic imageBytes) {
setState(() {
try {
fingerImages = imageBytes;
base64Image = uint8ListTob64(fingerImages!);
print('========= BASE64_IMAGE: $base64Image');
} catch (e) {
print(e);
}
});
}
@override
Widget build(BuildContext context) {
SystemChrome.setPreferredOrientations([
DeviceOrientation.landscapeLeft,
DeviceOrientation.landscapeRight,
]);
return MaterialApp(
home: Scaffold(
resizeToAvoidBottomInset: false,
appBar: AppBar(
backgroundColor: Colors.indigo,
title: const Text(
'FingerPrint Plugin Showcase \t\t\t\t\t\t\t\t\t <===|| Swipe left to view rest ||'),
),
body: SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: SizedBox(
width: MediaQuery.of(context).size.width + 230,
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
SizedBox(
width: 10,
),
SingleChildScrollView(
child: LimitedBox(
maxWidth: 150,
child: Column(
children: <Widget>[
SizedBox(
width: double.infinity,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
elevation: 5,
padding: const EdgeInsets.all(12.0),
),
onPressed: () async {
await ZkFinger.openConnection();
},
child: const Text(
'Open Connection',
style: TextStyle(color: Colors.white),
),
),
),
SizedBox(
width: double.infinity,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
elevation: 5,
padding: const EdgeInsets.all(12.0),
),
// onPressed: null,
onPressed: () async {
await ZkFinger.startListen(
userId: _registerationCodeController.text);
},
child: const Text(
'Start Listening',
style: TextStyle(color: Colors.white),
),
),
),
SizedBox(
width: double.infinity,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
elevation: 5,
padding: const EdgeInsets.all(12.0),
),
onPressed: () async {
await ZkFinger.registerFinger(
userId: _registerationCodeController.text);
},
child: Text(
'Enroll Finger',
style: TextStyle(color: Colors.white),
),
),
),
SizedBox(
width: double.infinity,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
elevation: 5,
padding: const EdgeInsets.all(12.0),
),
onPressed: () async {
await ZkFinger.identify(
userId: _registerationCodeController.text);
},
child: Text(
'Identify Finger',
style: TextStyle(color: Colors.white),
),
),
),
SizedBox(
width: double.infinity,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
elevation: 5,
padding: const EdgeInsets.all(12.0),
),
onPressed: () async {
await ZkFinger.verify(
finger1: _idleText1.text,
finger2: _idleText2.text);
},
child: Text(
'Verify Finger',
style: TextStyle(color: Colors.white),
),
),
),
SizedBox(
width: double.infinity,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
elevation: 5,
padding: const EdgeInsets.all(12.0),
),
onPressed: () async {
await ZkFinger.clearFingerDatabase();
},
child: Text(
'Clear finger\nDatabase',
style: TextStyle(color: Colors.white),
),
),
),
SizedBox(
width: double.infinity,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
elevation: 5,
padding: const EdgeInsets.all(12.0),
),
onPressed: () async {
await ZkFinger.stopListen();
},
child: Text(
'Stop Listening',
style: TextStyle(color: Colors.white),
),
),
),
SizedBox(
width: double.infinity,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
elevation: 5,
padding: const EdgeInsets.all(12.0),
),
onPressed: () async {
await ZkFinger.closeConnection();
},
child: Text(
'Close Connection',
style: TextStyle(color: Colors.white),
),
),
),
],
),
),
),
SizedBox(
width: 10,
),
Column(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
fingerImages != null
? Container(
decoration: BoxDecoration(
border:
Border.all(color: Colors.black, width: 2)),
child: Image.memory(
fingerImages!,
width: 150,
height: 150,
fit: BoxFit.contain,
),
)
: SizedBox(
height: 150, width: 150, child: Placeholder()),
Container(
decoration: BoxDecoration(
border: Border.all(color: Colors.black, width: 2)),
height: 148,
width: 154,
child: _getFingerStatusImage()),
],
),
SizedBox(
width: 10,
),
SizedBox(
width: MediaQuery.of(context).size.width * .3,
child: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.start,
children: <Widget>[
TextFormField(
controller: _registerationCodeController,
decoration:
InputDecoration(labelText: "Registration Code"),
),
Text('Biometric Base64 Text:',
style:
TextStyle(fontSize: 14, color: Colors.indigo)),
TextFormField(
readOnly: true,
controller: _biometricController,
maxLines: 3,
style: TextStyle(fontSize: 15)),
Text('Score: $score',
style:
TextStyle(fontSize: 14, color: Colors.indigo)),
Text('Message: $message',
style:
TextStyle(fontSize: 14, color: Colors.indigo)),
Padding(
padding: EdgeInsets.only(top: 10),
child:
SizedBox(child: Text('STATUS:\n\n$statusText')),
),
],
),
),
),
SizedBox(
width: 10,
),
Expanded(
child: SingleChildScrollView(
child: Column(
children: [
TextFormField(
decoration: InputDecoration(labelText: "FINGER 1"),
readOnly: true,
controller: _idleText1,
maxLines: 3,
style: TextStyle(fontSize: 15)),
MaterialButton(
onPressed: () {
_idleText1.text = _biometricController.text;
},
color: Colors.indigo,
child: Text(
'Copy & Paste',
style: TextStyle(color: Colors.white),
),
),
TextFormField(
decoration: InputDecoration(labelText: "FINGER 2"),
readOnly: true,
controller: _idleText2,
maxLines: 3,
style: TextStyle(fontSize: 15)),
MaterialButton(
onPressed: () {
_idleText2.text = _biometricController.text;
},
color: Colors.indigo,
child: Text(
'Copy & Paste',
style: TextStyle(color: Colors.white),
),
),
],
),
),
),
SizedBox(
width: 10,
),
Expanded(
child: Column(
children: [
MaterialButton(
onPressed: () {
var uuid = Uuid();
var id = uuid.v1();
setState(() {
users.addAll({id: _biometricController.text});
});
},
color: Colors.indigo,
child: Text(
'Add finger to the list: ${users.length}',
style: TextStyle(color: Colors.white),
),
),
MaterialButton(
onPressed: () {
setState(() {
users.clear();
});
},
color: Colors.red,
child: Text(
'Clear the list',
style: TextStyle(color: Colors.white),
),
),
MaterialButton(
onPressed: () {
if (users.isNotEmpty) {
ZkFinger.clearAndLoadDatabase(vUserList: users);
setState(() {
users.clear();
});
} else {
CustomToast.showToast('Your list is empty');
}
},
color: Colors.green,
child: Text(
'Load list to local DB',
style: TextStyle(color: Colors.white),
),
),
MaterialButton(
onPressed: () async {
for (int i = 0; i < 1000; i++) {
var uuid = Uuid();
String id = uuid.v1(); // Generate a unique ID
Map<String, String> entry = {
id: _biometricController.text
};
users.addAll(entry);
}
var added = await ZkFinger.clearAndLoadDatabase(
vUserList: users) ??
false;
if (added) {
users.clear();
CustomToast.showToast('Hurray!');
}
},
color: Colors.pink,
child: Text(
'Stress load 1000 to DB',
style: TextStyle(color: Colors.white),
),
),
TextField(
controller: _sendUrlController,
onChanged: (text) {
sendUrl = text;
},
decoration: InputDecoration(
hintText: "Input URL with http:// or https://"),
),
SizedBox(
height: 10,
),
LimitedBox(
maxWidth: 150,
child: SizedBox(
width: double.infinity,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.indigo,
elevation: 5,
padding: const EdgeInsets.all(12.0),
),
onPressed: () => sendText(),
child: const Text(
'Send Text',
style: TextStyle(color: Colors.white),
),
),
),
),
],
),
),
SizedBox(
width: 10,
),
],
),
),
),
),
);
}
Future<bool> sendText() async {
final NetworkInfo networkInfo =
NetworkInfoImpl(InternetConnectionChecker());
final Dio dio = Dio();
if (await networkInfo.isConnected) {
///
try {
final response = await dio.post(sendUrl,
options: Options(
headers: <String, String>{'Content-Type': 'application/json'}),
data: {"date": DateTime.now().toString(), "finger": base64Image});
final data = response.data;
print(data.toString());
if (response.statusCode == 200) {
CustomToast.showToast(data.toString());
return true;
} else {
CustomToast.showToast(data.toString());
print(data.toString());
return false;
}
} on DioException catch (e) {
print(e.error);
if (e.type == DioExceptionType.badResponse) {
if (e.response != null) {
CustomToast.showToast('Server error: ' + "${e.response!.data}");
print('Server error: ' + "${e.response!.data}");
} else {
CustomToast.showToast(e.error.toString());
}
} else {
CustomToast.showToast(e.error.toString());
}
return false;
}
} else {
CustomToast.showToast("No internet!");
return false;
}
}
Widget _getFingerStatusImage() {
if (fingerStatus == null) {
return SvgPicture.asset(
'assets/finger.svg',
color: Colors.black38,
width: 70,
height: 120,
);
}
Color svgColor = Colors.black12;
switch (fingerStatus!.statusType) {
case FingerStatusType.FINGER_EXTRACTED:
case FingerStatusType.STARTED_ALREADY:
case FingerStatusType.STARTED_SUCCESS:
svgColor = Colors.indigo;
break;
case FingerStatusType.VERIFIED_SUCCESS:
svgColor = Colors.green;
break;
case FingerStatusType.VERIFIED_FAILED:
svgColor = Colors.redAccent;
break;
case FingerStatusType.VERIFIED_ERROR:
svgColor = Colors.red;
break;
case FingerStatusType.IDENTIFIED_START_FIRST:
case FingerStatusType.IDENTIFIED_FAILED:
svgColor = Colors.redAccent;
break;
case FingerStatusType.IDENTIFIED_SUCCESS:
svgColor = Colors.blue;
break;
case FingerStatusType.ENROLL_ALREADY_EXIST:
case FingerStatusType.ENROLL_CONFIRM:
case FingerStatusType.ENROLL_STARTED:
case FingerStatusType.ENROLL_SUCCESS:
svgColor = Colors.green;
break;
case FingerStatusType.STOPPED_ALREADY:
case FingerStatusType.STOPPED_SUCCESS:
svgColor = Colors.red;
break;
case FingerStatusType.FINGER_CLEARED:
svgColor = Colors.yellow;
break;
case FingerStatusType.STARTED_FAILED:
svgColor = Colors.redAccent;
break;
case FingerStatusType.STARTED_ERROR:
svgColor = Colors.red;
break;
case FingerStatusType.ENROLL_FAILED:
svgColor = Colors.redAccent;
break;
case FingerStatusType.STOPPED_ERROR:
svgColor = Colors.red;
break;
case FingerStatusType.CAPTURE_ERROR:
svgColor = Colors.red;
break;
default:
svgColor = Colors.black38;
}
return SvgPicture.asset(
'assets/finger.svg',
color: svgColor,
width: 70,
height: 120,
);
}
}Metadata
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pub points
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popularity
Publisher
Metadata
The zk_finger10 plugin is used for supporting fingerprint device of ZKTECO with enrolling and verification feature.
Repository (GitHub)
View/report issues
Documentation
License
BSD-3-Clause (license)
Dependencies
flutter, plugin_platform_interface, uuid
