Flutter插件keyri_v3的使用_keyri_v3是一个用于支持Keyri QR登录系统的Flutter移动应用插件
Flutter插件keyri_v3的使用_keyri_v3是一个用于支持Keyri QR登录系统的Flutter移动应用插件
关于keyri_v3
这是一个用于支持Keyri QR登录系统的Flutter移动应用插件。完整的文档可以在以下链接中找到：https://docs.keyri.com/flutter。
该插件基于Keyri iOS (Swift) 和 Android (Kotlin) 包构建，需要iOS 14及以上版本和Android API级别23及以上版本才能正常工作。这两个包都没有任何第三方依赖。
示例代码
示例代码文件：example/lib/main.dart
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:keyri_v3/keyri.dart';
import 'package:keyri_v3/keyri_detections_config.dart';
import 'package:keyri_v3/keyri_fingerprint_event.dart';
void main() {
runApp(const MyApp());
}
TextEditingController appKeyController = TextEditingController();
TextEditingController publicApiKeyController = TextEditingController();
TextEditingController serviceEncryptionKeyController = TextEditingController();
TextEditingController usernameController = TextEditingController();
class MyApp extends StatelessWidget {
const MyApp({super.key});
[@override](/user/override)
Widget build(BuildContext context) {
return MaterialApp(
title: 'Keyri Example',
theme: ThemeData(primarySwatch: Colors.blue),
home: const KeyriHomePage(title: 'Keyri Example'));
}
}
class KeyriHomePage extends StatefulWidget {
const KeyriHomePage({super.key, required this.title});
final String title;
[@override](/user/override)
State<KeyriHomePage> createState() => _KeyriHomePageState();
}
class _KeyriHomePageState extends State<KeyriHomePage> {
final EventType _eventType = EventType.custom("custom");
[@override](/user/override)
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text(widget.title)),
body: Center(
child: SingleChildScrollView(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Padding(
padding: const EdgeInsets.symmetric(horizontal: 30.0),
// 调整水平填充
child: Center(
child: Column(
children: [
TextFormField(
controller: appKeyController,
decoration: InputDecoration(
labelText: "输入应用密钥",
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(10.0),
),
)),
const SizedBox(height: 5),
TextFormField(
controller: publicApiKeyController,
decoration: InputDecoration(
labelText: "输入公共API密钥",
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(10.0),
),
)),
const SizedBox(height: 5),
TextFormField(
controller: serviceEncryptionKeyController,
decoration: InputDecoration(
labelText: "输入服务加密密钥",
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(10.0),
),
)),
const SizedBox(height: 30),
TextFormField(
controller: usernameController,
decoration: InputDecoration(
labelText: "输入用户名",
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(10.0),
),
)),
],
),
),
),
button(_sendEvent, '发送事件'),
button(_login, '登录'),
button(_register, '注册'),
button(_getCorrectedTimestampSeconds, '获取时间戳'),
button(_generateAssociationKey, '生成关联密钥'),
button(_getAssociationKey, '获取关联密钥'),
button(_removeAssociationKey, '移除关联密钥'),
button(_listAssociationKeys, '列出关联密钥'),
button(_listUniqueAccounts, '列出唯一账户'),
button(_generateSignature, '生成签名')
],
),
),
),
);
}
Keyri? initKeyri() {
var appKey = appKeyController.text;
String? publicApiKey = publicApiKeyController.text;
String? serviceEncryptionKey = serviceEncryptionKeyController.text;
if (appKey.isNotEmpty) {
if (publicApiKey.isEmpty) {
publicApiKey = null;
}
if (serviceEncryptionKey.isEmpty) {
serviceEncryptionKey = null;
}
return Keyri.primary(appKey,
publicApiKey: publicApiKey,
serviceEncryptionKey: serviceEncryptionKey,
detectionsConfig: KeyriDetectionsConfig(blockTamperDetection: true));
} else {
_showMessage('应用密钥是必需的！');
}
return null;
}
Future<void> _login() async {
Keyri? keyri = initKeyri();
if (keyri == null) return;
String? publicUserId = usernameController.text;
if (publicUserId.isEmpty) {
publicUserId = null;
}
keyri
.login(publicUserId: publicUserId)
.then((loginObject) =>
_showMessage('登录对象: ${json.encode(loginObject.toJson())}'))
.catchError((error, stackTrace) => _processError(error));
}
Future<void> _register() async {
Keyri? keyri = initKeyri();
if (keyri == null) return;
String? publicUserId = usernameController.text;
if (publicUserId.isEmpty) {
publicUserId = null;
}
keyri
.register(publicUserId: publicUserId)
.then((registerObject) => _showMessage(
'注册对象: ${json.encode(registerObject.toJson())}'))
.catchError((error, stackTrace) => _processError(error));
}
Future<void> _getCorrectedTimestampSeconds() async {
Keyri? keyri = initKeyri();
if (keyri == null) return;
String? publicUserId = usernameController.text;
if (publicUserId.isEmpty) {
publicUserId = null;
}
keyri
.getCorrectedTimestampSeconds()
.then((timestamp) => _showMessage('时间戳: $timestamp'))
.catchError((error, stackTrace) => _processError(error));
}
void _generateAssociationKey() {
Keyri? keyri = initKeyri();
if (keyri == null) return;
String? publicUserId = usernameController.text;
if (publicUserId.isEmpty) {
publicUserId = null;
}
keyri
.generateAssociationKey(publicUserId: publicUserId)
.then((key) => _showMessage('生成的密钥: $key'))
.catchError((error, stackTrace) => _processError(error));
}
void _getAssociationKey() {
Keyri? keyri = initKeyri();
if (keyri == null) return;
String? publicUserId = usernameController.text;
if (publicUserId.isEmpty) {
publicUserId = null;
}
keyri
.getAssociationKey(publicUserId: publicUserId)
.then((key) => _showMessage('密钥: $key'))
.catchError((error, stackTrace) => _processError(error));
}
void _generateSignature() {
Keyri? keyri = initKeyri();
if (keyri == null) return;
int timestamp = DateTime.now().millisecondsSinceEpoch;
String? publicUserId = usernameController.text;
if (publicUserId.isEmpty) {
publicUserId = null;
}
keyri
.generateUserSignature(
publicUserId: publicUserId, data: timestamp.toString())
.then((signature) => _showMessage('签名: $signature'))
.catchError((error, stackTrace) => _processError(error));
}
void _removeAssociationKey() {
Keyri? keyri = initKeyri();
if (keyri == null) return;
String? userId = usernameController.text;
if (userId.isNotEmpty) {
keyri
.removeAssociationKey(userId)
.then((_) => _showMessage('密钥已移除'))
.catchError((error, stackTrace) => _processError(error));
} else {
_showMessage('publicUserId 不应为空');
}
}
void _listAssociationKeys() {
Keyri? keyri = initKeyri();
if (keyri == null) return;
keyri
.listAssociationKeys()
.then((keys) => _showMessage(json.encode(keys)))
.catchError((error, stackTrace) => _processError(error));
}
void _listUniqueAccounts() {
Keyri? keyri = initKeyri();
if (keyri == null) return;
keyri
.listUniqueAccounts()
.then((keys) => _showMessage(json.encode(keys)))
.catchError((error, stackTrace) => _processError(error));
}
void _sendEvent() async {
Keyri? keyri = initKeyri();
if (keyri == null) return;
String? publicUserId = usernameController.text;
if (publicUserId.isEmpty) {
publicUserId = null;
}
keyri
.sendEvent(
publicUserId: usernameController.text,
eventType: _eventType,
success: true)
.then((fingerprintEventResponse) => _showMessage("事件已发送"))
.catchError((error, stackTrace) => _processError(error));
}
void _processError(dynamic error) {
if (error is PlatformException) {
_showMessage(error.message ?? "发生错误");
} else {
_showMessage(error.toString());
}
}
void _showMessage(String message) {
ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(content: Text(message)));
}
Widget button(VoidCallback onPressedCallback, String text) {
return ElevatedButton(
style: ElevatedButton.styleFrom(
foregroundColor: Colors.white,
backgroundColor: Colors.deepPurple,
),
onPressed: onPressedCallback,
child: Text(text),
);
}
}更多关于Flutter插件keyri_v3的使用_keyri_v3是一个用于支持Keyri QR登录系统的Flutter移动应用插件的实战教程也可以访问 https://www.itying.com/category-92-b0.html
1 回复
更多关于Flutter插件keyri_v3的使用_keyri_v3是一个用于支持Keyri QR登录系统的Flutter移动应用插件的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
在Flutter中使用未知功能的插件时，尽管我们没有具体的功能描述，但通常可以按照插件的官方文档或示例代码来进行集成和使用。由于keyri_v3这个插件的具体信息未定义，以下是一个通用的Flutter插件集成和使用方法的示例代码框架。请注意，实际使用时需要根据keyri_v3插件的实际API进行调整。
首先，确保你已经在pubspec.yaml文件中添加了keyri_v3插件的依赖：
dependencies:
flutter:
sdk: flutter
keyri_v3: ^x.y.z # 替换为实际的版本号
然后，运行flutter pub get来安装依赖。
接下来，在你的Flutter应用中导入并使用该插件。以下是一个简单的示例代码，展示如何初始化插件并调用一个假设的方法（由于功能未知，这里用someUnknownFunction代替）：
import 'package:flutter/material.dart';
import 'package:keyri_v3/keyri_v3.dart'; // 假设这是插件的导入路径
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
late KeyriV3 _keyriV3; // 假设插件的主要类名为KeyriV3
@override
void initState() {
super.initState();
// 初始化插件
_keyriV3 = KeyriV3();
// 调用假设的未知功能方法
_callUnknownFunction();
}
Future<void> _callUnknownFunction() async {
try {
// 假设这个方法存在并返回一个结果
var result = await _keyriV3.someUnknownFunction();
print('Result from unknown function: $result');
} catch (e) {
print('Error calling unknown function: $e');
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Flutter Demo Home Page'),
),
body: Center(
child: Text('Waiting for unknown function result...'),
),
);
}
}
请注意以下几点：
-
插件类名和方法名：上面的代码假设插件的主要类名为
KeyriV3，并且有一个名为someUnknownFunction的方法。实际使用时，你需要根据插件的文档或源代码来确定正确的类名和方法名。 -
异步调用：由于Flutter插件通常涉及与原生代码的交互，因此方法调用往往是异步的。在上面的示例中，我们使用
await关键字来等待异步方法的结果。 -
错误处理：在调用插件方法时，最好添加错误处理逻辑，以便在方法调用失败时能够给出适当的反馈。
-
插件文档：由于
keyri_v3是一个未知功能的插件，强烈建议查阅其官方文档或源代码以了解具体的API和使用方法。 -
插件版本：确保你使用的是最新版本的插件，以避免已知的bug或兼容性问题。
由于keyri_v3的具体功能未知，以上代码仅提供了一个通用的集成和使用框架。实际使用时，请根据插件的实际情况进行调整。
