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example app: remember settings #934

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Merged
hiroshihorie merged 3 commits into from
Dec 7, 2025
Merged

example app: remember settings #934

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c062877
remember settings
hiroshihorie Dec 2, 2025
1790915
Merge branch 'main' into hiroshi/update-example-app-01
hiroshihorie Dec 4, 2025
b654450
Merge branch 'main' into hiroshi/update-example-app-01
hiroshihorie Dec 7, 2025
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8 changes: 6 additions & 2 deletions example/lib/pages/connect.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ class _ConnectPageState extends State<ConnectPage> {
static const _storeKeyE2EE = 'e2ee';
static const _storeKeySharedKey = 'shared-key';
static const _storeKeyMultiCodec = 'multi-codec';
static const _storeKeyPreferredCodec = 'preferred-codec';

final _uriCtrl = TextEditingController();
final _tokenCtrl = TextEditingController();
Expand Down Expand Up @@ -96,6 +97,7 @@ class _ConnectPageState extends State<ConnectPage> {
_dynacast = prefs.getBool(_storeKeyDynacast) ?? true;
_e2ee = prefs.getBool(_storeKeyE2EE) ?? false;
_multiCodec = prefs.getBool(_storeKeyMultiCodec) ?? false;
_preferredCodec = prefs.getString(_storeKeyPreferredCodec) ?? 'VP8';
});
}

Expand All @@ -110,6 +112,7 @@ class _ConnectPageState extends State<ConnectPage> {
await prefs.setBool(_storeKeyDynacast, _dynacast);
await prefs.setBool(_storeKeyE2EE, _e2ee);
await prefs.setBool(_storeKeyMultiCodec, _multiCodec);
await prefs.setString(_storeKeyPreferredCodec, _preferredCodec);
}

Future<void> _connect(BuildContext ctx) async {
Expand Down Expand Up @@ -317,10 +320,11 @@ class _ConnectPageState extends State<ConnectPage> {
color: Colors.blueAccent,
),
onChanged: (String? value) {
// This is called when the user selects an item.
if (value == null) return;
setState(() {
_preferredCodec = value!;
_preferredCodec = value;
});
unawaited(_writePrefs());
},
items: ['Preferred Codec', 'AV1', 'VP9', 'VP8', 'H264', 'H265']
.map<DropdownMenuItem<String>>((String value) {
Expand Down
32 changes: 30 additions & 2 deletions example/lib/pages/prejoin.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import 'package:dropdown_button2/dropdown_button2.dart';
import 'package:flutter/material.dart';
import 'package:livekit_client/livekit_client.dart';
import 'package:livekit_example/exts.dart';
import 'package:shared_preferences/shared_preferences.dart';

import '../theme.dart';
import 'room.dart';
Expand Down Expand Up @@ -43,6 +44,9 @@ class PreJoinPage extends StatefulWidget {
}

class _PreJoinPageState extends State<PreJoinPage> {
static const _prefKeyEnableVideo = 'prejoin-enable-video';
static const _prefKeyEnableAudio = 'prejoin-enable-audio';

List<MediaDevice> _audioInputs = [];
List<MediaDevice> _videoInputs = [];
StreamSubscription? _subscription;
Expand All @@ -60,8 +64,14 @@ class _PreJoinPageState extends State<PreJoinPage> {
@override
void initState() {
super.initState();
unawaited(_initStateAsync());
}

Future<void> _initStateAsync() async {
await _readPrefs();
_subscription = Hardware.instance.onDeviceChange.stream.listen(_loadDevices);
unawaited(Hardware.instance.enumerateDevices().then(_loadDevices));
final devices = await Hardware.instance.enumerateDevices();
await _loadDevices(devices);
}

@override
Expand All @@ -70,7 +80,7 @@ class _PreJoinPageState extends State<PreJoinPage> {
super.deactivate();
}

void _loadDevices(List<MediaDevice> devices) async {
Future<void> _loadDevices(List<MediaDevice> devices) async {
_audioInputs = devices.where((d) => d.kind == 'audioinput').toList();
_videoInputs = devices.where((d) => d.kind == 'videoinput').toList();

Expand Down Expand Up @@ -98,6 +108,7 @@ class _PreJoinPageState extends State<PreJoinPage> {

Future<void> _setEnableVideo(value) async {
_enableVideo = value;
await _writePrefs();
if (!_enableVideo) {
await _videoTrack?.stop();
_videoTrack = null;
Expand All @@ -109,6 +120,7 @@ class _PreJoinPageState extends State<PreJoinPage> {

Future<void> _setEnableAudio(value) async {
_enableAudio = value;
await _writePrefs();
if (!_enableAudio) {
await _audioTrack?.stop();
_audioTrack = null;
Expand All @@ -119,6 +131,7 @@ class _PreJoinPageState extends State<PreJoinPage> {
}

Future<void> _changeLocalAudioTrack() async {
if (!_enableAudio) return;
if (_audioTrack != null) {
await _audioTrack!.stop();
_audioTrack = null;
Expand All @@ -135,6 +148,7 @@ class _PreJoinPageState extends State<PreJoinPage> {
}

Future<void> _changeLocalVideoTrack() async {
if (!_enableVideo) return;
if (_videoTrack != null) {
await _videoTrack!.stop();
_videoTrack = null;
Expand Down Expand Up @@ -249,6 +263,20 @@ class _PreJoinPageState extends State<PreJoinPage> {
Navigator.of(context).pop();
}

Future<void> _readPrefs() async {
final prefs = await SharedPreferences.getInstance();
setState(() {
_enableVideo = prefs.getBool(_prefKeyEnableVideo) ?? true;
_enableAudio = prefs.getBool(_prefKeyEnableAudio) ?? true;
});
}

Future<void> _writePrefs() async {
final prefs = await SharedPreferences.getInstance();
await prefs.setBool(_prefKeyEnableVideo, _enableVideo);
await prefs.setBool(_prefKeyEnableAudio, _enableAudio);
}

@override
Widget build(BuildContext context) {
return Scaffold(
Expand Down