bm5500_flutter_plugin 0.0.1
bm5500_flutter_plugin: ^0.0.1 copied to clipboard
bm5500_flutter_plugin is a flutter plugin that enables communication between the flutter mobile application and the aratek biometric module java sdk. The plugin is designed to provide an easy-to-use i [...]
import 'dart:async';
import 'package:bm5500_flutter_plugin/bm5500_flutter_plugin.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:permission_handler/permission_handler.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String? message;
String? closeMessage;
String? captureMessage;
final _bm5500FlutterPlugin = Bm5500FlutterPlugin();
@override
void initState() {
super.initState();
_requestPermissions();
}
_requestPermissions()async{
await Future.wait([
Permission.manageExternalStorage.request(),
Permission.accessMediaLocation.request(),
Permission.storage.request(),
]);
}
Future<void> openDevice() async {
String result;
// Platform messages may fail, so we use a try/catch PlatformException.
// We also handle the message potentially returning null.
try {
result =
await _bm5500FlutterPlugin.openDevice() ?? 'Unknown platform version';
} on PlatformException {
result = '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(() {
message = result;
});
}
Future<void> closeDevice() async {
String result;
// Platform messages may fail, so we use a try/catch PlatformException.
// We also handle the message potentially returning null.
try {
result = await _bm5500FlutterPlugin.closeDevice() ?? 'Unknown';
} on PlatformException {
result = '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(() {
closeMessage = result;
});
}
Future<void> captureFingerprint() async {
String result;
// Platform messages may fail, so we use a try/catch PlatformException.
// We also handle the message potentially returning null.
try {
result = await _bm5500FlutterPlugin.captureFingerprint() ?? 'Unknown';
} on PlatformException {
result = '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(() {
captureMessage = result;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: SizedBox(
width: double.infinity,
child: Padding(
padding: const EdgeInsets.all(30.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
children: [
PrimaryButton(
title: message ?? "Open Device",
onTap: () async {
await openDevice();
},
),
const SizedBox(height: 12),
PrimaryButton(
title: closeMessage ?? "Close Device",
onTap: () async {
await closeDevice();
},
),
const SizedBox(height: 12),
PrimaryButton(
title: captureMessage ?? "capture fingerprint",
onTap: () async {
await captureFingerprint();
},
)
],
),
),
)),
);
}
}
class PrimaryButton extends StatelessWidget {
const PrimaryButton({Key? key, this.onTap, required this.title})
: super(key: key);
final String title;
final VoidCallback? onTap;
@override
Widget build(BuildContext context) {
return InkWell(
onTap: onTap,
child: Container(
//height: 80,
padding: const EdgeInsets.symmetric(horizontal: 30, vertical: 12),
decoration: BoxDecoration(
color: Colors.teal, borderRadius: BorderRadius.circular(12)),
alignment: Alignment.center,
child: Text(
title,
style:
Theme.of(context).textTheme.button?.copyWith(color: Colors.white),
),
),
);
}
}