在没有用户交互的情况下从 Flutter 应用程序发送短信?
Send SMS from Flutter app without user interaction?
我有一个固定的 phone 号码,我想通过我的 flutter 应用向该号码发送短信。
我怎样才能做到这一点?
您可以复制粘贴 运行 下面的完整代码
您可以使用包 https://pub.dev/packages/sms_maintained
代码片段
SmsSender sender = SmsSender();
String address = "1234567";
SmsMessage message = SmsMessage(address, 'Hello flutter!');
message.onStateChanged.listen((state) {
if (state == SmsMessageState.Sent) {
print("SMS is sent!");
setState(() {
_message = "SMS is sent";
});
} else if (state == SmsMessageState.Delivered) {
print("SMS is delivered!");
setState(() {
_message = "SMS is delivered!";
});
}
});
sender.sendSms(message);
工作演示
输出
D/flutter_sms(31553): Sent result: Activity.RESULT_OK
I/flutter (31553): SMS is sent!
完整代码
import 'package:flutter/material.dart';
import 'package:sms/sms.dart';
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(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
void _incrementCounter() {
SmsSender sender = SmsSender();
String address = "1234567";
SmsMessage message = SmsMessage(address, 'Hello flutter!');
message.onStateChanged.listen((state) {
if (state == SmsMessageState.Sent) {
print("SMS is sent!");
} else if (state == SmsMessageState.Delivered) {
print("SMS is delivered!");
}
});
sender.sendSms(message);
setState(() {
_counter++;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'You have pushed the button this many times:',
),
Text(
'$_counter',
style: Theme.of(context).textTheme.headline4,
),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: Icon(Icons.add),
),
);
}
}
我有一个固定的 phone 号码,我想通过我的 flutter 应用向该号码发送短信。 我怎样才能做到这一点?
您可以复制粘贴 运行 下面的完整代码
您可以使用包 https://pub.dev/packages/sms_maintained
代码片段
SmsSender sender = SmsSender();
String address = "1234567";
SmsMessage message = SmsMessage(address, 'Hello flutter!');
message.onStateChanged.listen((state) {
if (state == SmsMessageState.Sent) {
print("SMS is sent!");
setState(() {
_message = "SMS is sent";
});
} else if (state == SmsMessageState.Delivered) {
print("SMS is delivered!");
setState(() {
_message = "SMS is delivered!";
});
}
});
sender.sendSms(message);
工作演示
输出
D/flutter_sms(31553): Sent result: Activity.RESULT_OK
I/flutter (31553): SMS is sent!
完整代码
import 'package:flutter/material.dart';
import 'package:sms/sms.dart';
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(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
void _incrementCounter() {
SmsSender sender = SmsSender();
String address = "1234567";
SmsMessage message = SmsMessage(address, 'Hello flutter!');
message.onStateChanged.listen((state) {
if (state == SmsMessageState.Sent) {
print("SMS is sent!");
} else if (state == SmsMessageState.Delivered) {
print("SMS is delivered!");
}
});
sender.sendSms(message);
setState(() {
_counter++;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'You have pushed the button this many times:',
),
Text(
'$_counter',
style: Theme.of(context).textTheme.headline4,
),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: Icon(Icons.add),
),
);
}
}