我最近一直在尝试开发一个Flutter项目,它可以读取Android手机上的所有短信(我有Android手机)。
我正在使用下面的代码
import 'package:flutter/material.dart';
import 'package:flutter_sms_inbox/flutter_sms_inbox.dart';
import 'package:permission_handler/permission_handler.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final SmsQuery _query = SmsQuery();
List<SmsMessage> _messages = [];
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter SMS Inbox App',
theme: ThemeData(
primarySwatch: Colors.teal,
),
home: Scaffold(
appBar: AppBar(
title: const Text('SMS Inbox Example'),
),
body: Container(
padding: const EdgeInsets.all(10.0),
child: _messages.isNotEmpty
? _MessagesListView(
messages: _messages,
)
: Center(
child: Text(
'No messages to show.\n Tap refresh button...',
style: Theme.of(context).textTheme.headlineSmall,
textAlign: TextAlign.center,
),
),
),
floatingActionButton: FloatingActionButton(
onPressed: () async {
var permission = await Permission.sms.status;
if (permission.isGranted) {
final messages = await _query.querySms(
kinds: [
SmsQueryKind.inbox,
SmsQueryKind.sent,
],
// address: '+254712345789',
count: 10,
);
debugPrint('sms inbox messages: ${messages.length}');
setState(() => _messages = messages);
} else {
await Permission.sms.request();
}
},
child: const Icon(Icons.refresh),
),
),
);
}
}
class _MessagesListView extends StatelessWidget {
const _MessagesListView({
Key? key,
required this.messages,
}) : super(key: key);
final List<SmsMessage> messages;
@override
Widget build(BuildContext context) {
return ListView.builder(
shrinkWrap: true,
itemCount: messages.length,
itemBuilder: (BuildContext context, int i) {
var message = messages[i];
return ListTile(
title: Text('${message.sender} [${message.date}]'),
subtitle: Text('${message.body}'),
);
},
);
}
}
但它仍然无法显示我手机上的短信,而是显示错误
E/flutter ( 7900): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(error, Permission Denial: reading com.android.providers.telephony.SmsProvider uri content://sms/inbox from pid=7900, uid=10284 requires android.permission.READ_SMS, or grantUriPermission(), null, java.lang.SecurityException: Permission Denial: reading com.android.providers.telephony.SmsProvider uri content://sms/inbox from pid=7900, uid=10284 requires android.permission.READ_SMS, or grantUriPermission()
我正在使用此依赖项
flutter_sms_inbox: ^1.0.3
并且我还使用此依赖项的示例选项卡中给出的代码
该错误表明您的应用程序没有必要的权限从 Android 设备读取短信
您需要添加
<uses-permission android:name="android.permission.READ_SMS"/>
到你的flutter项目/android/AndroidManifest.xml
您还需要确保在请求之前授予 READ_SMS
样品
import 'package:flutter/material.dart';
import 'package:flutter_sms_inbox/flutter_sms_inbox.dart';
import 'package:permission_handler/permission_handler.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final SmsQuery _query = SmsQuery();
List<SmsMessage> _messages = [];
@override
void initState() {
super.initState();
// Request SMS permission when the app starts
_requestSmsPermission();
}
// Function to request SMS permission
Future<void> _requestSmsPermission() async {
if (await Permission.sms.request().isGranted) {
// Permission is granted, query SMS messages
_querySmsMessages();
}
}
// Function to query SMS messages
Future<void> _querySmsMessages() async {
final messages = await _query.querySms(
kinds: [
SmsQueryKind.inbox,
SmsQueryKind.sent,
],
count: 10,
);
debugPrint('sms inbox messages: ${messages.length}');
setState(() => _messages = messages);
}
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter SMS Inbox App',
theme: ThemeData(
primarySwatch: Colors.teal,
),
home: Scaffold(
appBar: AppBar(
title: const Text('SMS Inbox Example'),
),
body: Container(
padding: const EdgeInsets.all(10.0),
child: _messages.isNotEmpty
? _MessagesListView(
messages: _messages,
)
: Center(
child: Text(
'No messages to show.\n Tap refresh button...',
style: Theme.of(context).textTheme.headline6,
textAlign: TextAlign.center,
),
),
),
floatingActionButton: FloatingActionButton(
onPressed: _querySmsMessages,
child: const Icon(Icons.refresh),
),
),
);
}
}
class _MessagesListView extends StatelessWidget {
const _MessagesListView({
Key? key,
required this.messages,
}) : super(key: key);
final List<SmsMessage> messages;
@override
Widget build(BuildContext context) {
return ListView.builder(
shrinkWrap: true,
itemCount: messages.length,
itemBuilder: (BuildContext context, int i) {
var message = messages[i];
return ListTile(
title: Text('${message.sender} [${message.date}]'),
subtitle: Text('${message.body}'),
);
},
);
}
}