facetec_flutter_plugin_demo 0.0.8 
facetec_flutter_plugin_demo: ^0.0.8 copied to clipboard
Demo plugin for FaceTec SDK used for face liveness and verification.
import 'package:flutter/material.dart';
import 'dart:async';
import 'dart:io';
import 'dart:convert';
import 'package:flutter/services.dart';
import 'package:facetec_flutter_plugin_demo/facetec_flutter_plugin_demo.dart';
void main() {
runApp(MaterialApp(
home: MyApp(),
));
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _platformVersion = 'Unknown';
String message = "";
int messageCounter = 0;
TextEditingController textFieldController = TextEditingController();
bool initialized = false;
File? idImageFile;
String base64image = "";
GlobalKey scaffoldKey = GlobalKey();
@override
void initState() {
super.initState();
initPlatformState();
}
void addMessage(String msg, BuildContext context) {
setState(() {
messageCounter++;
showToast(context, msg);
message = messageCounter.toString() + ": " + msg + "\n" + message;
});
}
void showToast(BuildContext context, String msg) {
final scaffold = ScaffoldMessenger.of(scaffoldKey.currentContext!);
scaffold.showSnackBar(
SnackBar(
content: Text(msg),
action: SnackBarAction(
label: 'OK', onPressed: scaffold.hideCurrentSnackBar),
),
);
}
// 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.
// We also handle the message potentially returning null.
try {
platformVersion = await FacetecFlutterPluginDemo.platformVersion;
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
// 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;
});
}
Future<void> displayTextInputDialog(
BuildContext context, String title, Function onOk) async {
return showDialog(
context: context,
builder: (context) {
return AlertDialog(
title: Text(title),
content: TextField(
controller: textFieldController,
decoration: InputDecoration(hintText: "Enter details"),
),
actions: <Widget>[
TextButton(
style:TextButton.styleFrom(backgroundColor: Colors.red,
primary: Colors.white),
child: Text('CANCEL'),
onPressed: () {
setState(() {
Navigator.pop(context);
});
},
),
TextButton(
style:TextButton.styleFrom(backgroundColor: Colors.red,
primary: Colors.white),
child: Text('OK'),
onPressed: () {
setState(() {
onOk();
Navigator.pop(context);
});
},
),
],
);
});
}
final ButtonStyle flatButtonStyle = TextButton.styleFrom(
primary: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10)),
backgroundColor: Colors.lightBlue,
);
@override
Widget build(BuildContext context) {
return Scaffold(
key: scaffoldKey,
appBar: AppBar(
title: const Text('FaceTec Plugin Demo'),
),
body: Center(
child: SingleChildScrollView(
scrollDirection: Axis.vertical,
child: ConstrainedBox(
constraints:
BoxConstraints(maxHeight: MediaQuery.of(context).size.height),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
mainAxisSize: MainAxisSize.max,
children: [
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Initialize',
style: TextStyle(fontSize: 20.0),
),
onPressed: () async {
String publicKey = "-----BEGIN PUBLIC KEY-----\n" +
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5PxZ3DLj+zP6T6HFgzzk\n" +
"M77LdzP3fojBoLasw7EfzvLMnJNUlyRb5m8e5QyyJxI+wRjsALHvFgLzGwxM8ehz\n" +
"DqqBZed+f4w33GgQXFZOS4AOvyPbALgCYoLehigLAbbCNTkeY5RDcmmSI/sbp+s6\n" +
"mAiAKKvCdIqe17bltZ/rfEoL3gPKEfLXeN549LTj3XBp0hvG4loQ6eC1E1tRzSkf\n" +
"GJD4GIVvR+j12gXAaftj3ahfYxioBH7F7HQxzmWkwDyn3bqU54eaiB7f0ftsPpWM\n" +
"ceUaqkL2DZUvgN0efEJjnWy5y1/Gkq5GGWCROI9XG/SwXJ30BbVUehTbVcD70+ZF\n" +
"8QIDAQAB\n" +
"-----END PUBLIC KEY-----";
String serverUrl =
"https://api.facetec.com/api/v3.1/biometrics";
String appToken = "Enter your FaceTec license key here";
String publicKeyMsg =
await FacetecFlutterPluginDemo.setPublicKey(
publicKey);
if (publicKeyMsg.startsWith("success")) {
addMessage(publicKeyMsg.substring(7), context);
} else {
addMessage(publicKeyMsg.substring(5), context);
}
String serverUrlMsg =
await FacetecFlutterPluginDemo.setServerUrl(
serverUrl);
if (serverUrlMsg.startsWith("success")) {
addMessage(serverUrlMsg.substring(7), context);
} else {
addMessage(serverUrlMsg.substring(5), context);
}
String initializeMsg =
await FacetecFlutterPluginDemo.initialize(
appToken, false, "");
if (initializeMsg.startsWith("success")) {
initialized = true;
addMessage(initializeMsg.substring(7), context);
} else {
addMessage(initializeMsg.substring(5), context);
}
},
style: flatButtonStyle,
),
),
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Enroll',
style: TextStyle(fontSize: 20.0),
),
onPressed: () {
if (initialized) {
displayTextInputDialog(context, "Enter user Id",
() async {
String enrollMsg =
await FacetecFlutterPluginDemo.enroll(
textFieldController.text);
if (enrollMsg.startsWith("success")) {
addMessage(enrollMsg.substring(7), context);
} else {
addMessage(enrollMsg.substring(5), context);
}
});
} else {
showToast(context, "SDK not initialized");
}
},
style: flatButtonStyle,
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
mainAxisSize: MainAxisSize.max,
children: [
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Authenticate',
style: TextStyle(fontSize: 20.0),
),
onPressed: () {
if (initialized) {
displayTextInputDialog(context, "Enter user Id",
() async {
String enrollMsg =
await FacetecFlutterPluginDemo.authenticate(
textFieldController.text);
if (enrollMsg.startsWith("success")) {
addMessage(enrollMsg.substring(7), context);
} else {
addMessage(enrollMsg.substring(5), context);
}
});
} else {
showToast(context, "SDK not initialized");
}
},
style: flatButtonStyle,
),
),
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Verify',
style: TextStyle(fontSize: 20.0),
),
onPressed: () async {
if (initialized) {
String enrollMsg =
await FacetecFlutterPluginDemo.verify();
if (enrollMsg.startsWith("success")) {
addMessage(enrollMsg.substring(7), context);
} else {
addMessage(enrollMsg.substring(5), context);
}
} else {
showToast(context, "SDK not initialized");
}
},
style: flatButtonStyle,
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
mainAxisSize: MainAxisSize.max,
children: [
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'IDCheck',
style: TextStyle(fontSize: 20.0),
),
onPressed: () {
if (initialized) {
showSimpleDialogIDCheck(context, false);
} else {
showToast(context, "SDK not initialized");
}
},
style: flatButtonStyle,
),
),
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Audit Trail',
style: TextStyle(fontSize: 20.0),
),
onPressed: () async {
if (initialized) {
String enrollMsg =
await FacetecFlutterPluginDemo.auditTrail();
if (enrollMsg.startsWith("success")) {
await showDialog(
context: context,
builder: (_) => imageDialog('IDscanImage',
enrollMsg.substring(7), context));
} else {
addMessage(enrollMsg.substring(5), context);
}
} else {
showToast(context, "SDK not initialized");
}
},
style: flatButtonStyle,
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
mainAxisSize: MainAxisSize.max,
children: [
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'ID Scan Images',
style: TextStyle(fontSize: 20.0),
),
onPressed: () async {
if (initialized) {
String enrollMsg =
await FacetecFlutterPluginDemo.idScanImages();
if (enrollMsg.startsWith("success")) {
await showDialog(
context: context,
builder: (_) => imageDialog('IDscanImage',
enrollMsg.substring(7), context));
} else {
addMessage(enrollMsg.substring(5), context);
}
} else {
showToast(context, "SDK not initialized");
}
},
style: flatButtonStyle,
),
),
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Set Theme',
style: TextStyle(fontSize: 20.0),
),
onPressed: () {
showSimpleDialog(context);
},
style: flatButtonStyle,
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
mainAxisSize: MainAxisSize.max,
children: [
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Get Version',
style: TextStyle(fontSize: 20.0),
),
onPressed: () async {
String versionMsg =
await FacetecFlutterPluginDemo.getVersion();
if (versionMsg.startsWith("success")) {
addMessage(versionMsg.substring(7), context);
} else {
addMessage(versionMsg.substring(5), context);
}
},
style: flatButtonStyle,
),
),
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Get SDK Status',
style: TextStyle(fontSize: 20.0),
),
onPressed: () async {
String statusMsg =
await FacetecFlutterPluginDemo.getSdkStatus();
if (statusMsg.startsWith("success")) {
addMessage(statusMsg.substring(7), context);
} else {
addMessage(statusMsg.substring(5), context);
}
},
style: flatButtonStyle,
),
),
],
),
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Get User Enrollment Status',
style: TextStyle(fontSize: 20.0),
),
onPressed: () {
if (initialized) {
displayTextInputDialog(context, "Enter user Id",
() async {
String enrollMsg = await FacetecFlutterPluginDemo
.getUserEnrollmentStatus(
textFieldController.text, "");
if (enrollMsg.startsWith("success")) {
addMessage(enrollMsg.substring(7), context);
} else {
addMessage(enrollMsg.substring(5), context);
}
});
} else {
showToast(context, "SDK not initialized");
}
},
style: flatButtonStyle,
),
),
Container(
margin: EdgeInsets.all(2),
child: TextButton(
child: Text(
'Delete Enrollment',
style: TextStyle(fontSize: 20.0),
),
onPressed: () async {
if (initialized) {
displayTextInputDialog(context, "Enter user Id",
() async {
String enrollMsg =
await FacetecFlutterPluginDemo.deleteEnrollment(
textFieldController.text, "");
if (enrollMsg.startsWith("success")) {
addMessage(enrollMsg.substring(7), context);
} else {
addMessage(enrollMsg.substring(5), context);
}
});
} else {
showToast(context, "SDK not initialized");
}
},
style: flatButtonStyle,
),
),
Expanded(
flex: 1,
child: SingleChildScrollView(
scrollDirection: Axis.vertical,
child: Text(
message,
),
),
),
],
),
),
)),
);
}
// show the dialog
showSimpleDialog(BuildContext context) {
showDialog(
context: context,
builder: (BuildContext context) {
return SimpleDialog(
title: const Text('Choose an theme'),
children: [
SimpleDialogOption(
child: const Text("FaceTec Theme"),
onPressed: () {
Navigator.of(context).pop();
setTheme("FaceTec Theme");
},
),
SimpleDialogOption(
child: const Text("Pseudo-Fullscreen"),
onPressed: () {
Navigator.of(context).pop();
setTheme("Pseudo-Fullscreen");
},
),
SimpleDialogOption(
child: const Text("Well-Rounded"),
onPressed: () {
Navigator.of(context).pop();
setTheme("Well-Rounded");
},
),
SimpleDialogOption(
child: const Text("Bitcoin Exchange"),
onPressed: () {
Navigator.of(context).pop();
setTheme("Bitcoin Exchange");
},
),
SimpleDialogOption(
child: const Text("eKYC"),
onPressed: () {
Navigator.of(context).pop();
setTheme("eKYC");
},
),
SimpleDialogOption(
child: const Text("Sample Bank"),
onPressed: () {
Navigator.of(context).pop();
setTheme("Sample Bank");
},
)
],
);
},
);
}
setTheme(String theme) {
FacetecFlutterPluginDemo.setTheme(theme);
}
Image imageFromBase64String(String base64String) {
return Image.memory(base64Decode(base64String));
}
Widget imageDialog(text, base64, context) {
return Dialog(
// backgroundColor: Colors.transparent,
// elevation: 0,
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Padding(
padding: const EdgeInsets.only(left: 8.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'$text',
style: TextStyle(fontWeight: FontWeight.bold),
),
IconButton(
onPressed: () {
Navigator.of(context).pop();
},
icon: Icon(Icons.close_rounded),
color: Colors.redAccent,
),
],
),
),
Container(
width: 220,
height: 200,
child: imageFromBase64String(base64),
),
],
),
);
}
showSimpleDialogIDCheck(BuildContext context, bool custom) {
showDialog(
context: context,
builder: (BuildContext context) {
return SimpleDialog(
title: const Text('Choose whether existing or new user'),
children: [
SimpleDialogOption(
child: const Text("Existing User"),
onPressed: () {
Navigator.of(context).pop();
if (custom) {
} else {
displayTextInputDialog(context, "Enter user Id", () async {
String enrollMsg = await FacetecFlutterPluginDemo.idCheck(
textFieldController.text, false);
if (enrollMsg.startsWith("success")) {
addMessage(enrollMsg.substring(7), context);
} else {
addMessage(enrollMsg.substring(5), context);
}
});
}
},
),
SimpleDialogOption(
child: const Text("New User"),
onPressed: () {
Navigator.of(context).pop();
if (custom) {
} else {
displayTextInputDialog(context, "Enter user Id", () async {
String enrollMsg = await FacetecFlutterPluginDemo.idCheck(
textFieldController.text, true);
if (enrollMsg.startsWith("success")) {
addMessage(enrollMsg.substring(7), context);
} else {
addMessage(enrollMsg.substring(5), context);
}
});
}
},
),
],
);
},
);
}
}Metadata
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Publisher
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Metadata
Demo plugin for FaceTec SDK used for face liveness and verification.
Documentation
License
BSD-3-Clause (LICENSE)
