flutter_notification_listener 1.0.6 flutter_notification_listener: ^1.0.6 copied to clipboard
Flutter Plugin to listen to all incoming notifications for Android.
import 'dart:isolate';
import 'dart:ui';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter_notification_listener/flutter_notification_listener.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
return new MaterialApp(
home: NotificationsLog(),
);
}
}
class NotificationsLog extends StatefulWidget {
@override
_NotificationsLogState createState() => _NotificationsLogState();
}
class _NotificationsLogState extends State<NotificationsLog> {
List<NotificationEvent> _log = [];
bool started = false;
bool _loading = false;
ReceivePort port = ReceivePort();
@override
void initState() {
initPlatformState();
super.initState();
}
// we must use static method, to handle in background
static void _callback(NotificationEvent evt) {
print("send evt to ui: $evt");
final SendPort send = IsolateNameServer.lookupPortByName("_listener_");
if (send == null) print("can't find the sender");
send?.send(evt);
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
NotificationsListener.initialize(callbackHandle: _callback);
// this can fix restart<debug> can't handle error
IsolateNameServer.removePortNameMapping("_listener_");
IsolateNameServer.registerPortWithName(port.sendPort, "_listener_");
port.listen((message) => onData(message));
// don't use the default receivePort
// NotificationsListener.receivePort.listen((evt) => onData(evt));
var isR = await NotificationsListener.isRunning;
print("""Service is ${!isR ? "not " : ""}aleary running""");
setState(() {
started = isR;
});
}
void onData(NotificationEvent event) {
setState(() {
_log.add(event);
});
print(event.toString());
}
void startListening() async {
print("start listening");
setState(() {
_loading = true;
});
var hasPermission = await NotificationsListener.hasPermission;
if (!hasPermission) {
print("no permission, so open settings");
NotificationsListener.openPermissionSettings();
return;
}
var isR = await NotificationsListener.isRunning;
if (!isR) {
await NotificationsListener.startService();
}
setState(() {
started = true;
_loading = false;
});
}
void stopListening() async {
print("stop listening");
setState(() {
_loading = true;
});
await NotificationsListener.stopService();
setState(() {
started = false;
_loading = false;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Notifications Listener Example'),
),
body: Center(
child: ListView.builder(
itemCount: _log.length,
reverse: true,
itemBuilder: (BuildContext context, int idx) {
final entry = _log[idx];
return ListTile(
trailing:
Text(entry.packageName.toString().split('.').last),
title: Container(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(entry.title ?? "<<no title>>"),
Text(entry.createAt.toString().substring(0, 19)),
],
),
));
})),
floatingActionButton: FloatingActionButton(
onPressed: started ? stopListening : startListening,
tooltip: 'Start/Stop sensing',
child: _loading
? Icon(Icons.close)
: (started ? Icon(Icons.stop) : Icon(Icons.play_arrow)),
),
);
}
}