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add app lifecycle state for camera controller
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This commit is contained in:
otsmr 2026-06-08 10:21:29 +02:00
parent e2f5f41736
commit b7b2ad701f
1 changed files with 68 additions and 16 deletions
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84
lib/src/visual/views/home.view.dart
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@ -32,7 +32,7 @@ class HomeView extends StatefulWidget {
State<HomeView> createState() => HomeViewState();
}
class HomeViewState extends State<HomeView> {
class HomeViewState extends State<HomeView> with WidgetsBindingObserver {
int _activePageIdx = 1;
double _offsetRatio = 0;
double _offsetFromOne = 0;
@ -53,6 +53,7 @@ class HomeViewState extends State<HomeView> {
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
var initialPage = widget.initialPage;
if (initialPage == 1 && !userService.currentUser.startWithCameraOpen) {
initialPage = 0;
@ -78,7 +79,9 @@ class HomeViewState extends State<HomeView> {
_selectNotificationSub = selectNotificationStream.stream.listen((
response,
) async {
if (response.payload != null && response.payload!.startsWith(Routes.chats) && response.payload! != Routes.chats) {
if (response.payload != null &&
response.payload!.startsWith(Routes.chats) &&
response.payload! != Routes.chats) {
await routerProvider.push(response.payload!);
}
streamHomeViewPageIndex.add(0);
@ -92,7 +95,11 @@ class HomeViewState extends State<HomeView> {
});
if (initialPage == 1) {
unawaited(_mainCameraController.selectCamera(0, true));
WidgetsBinding.instance.addPostFrameCallback((_) {
if (_isViewActive()) {
unawaited(_mainCameraController.selectCamera(0, true));
}
});
}
unawaited(_initAsync());
@ -114,31 +121,40 @@ class HomeViewState extends State<HomeView> {
);
WidgetsBinding.instance.addPostFrameCallback((_) {
if (widget.initialPage == 1 && !userService.currentUser.startWithCameraOpen || widget.initialPage == 0) {
if (widget.initialPage == 1 &&
!userService.currentUser.startWithCameraOpen ||
widget.initialPage == 0) {
streamHomeViewPageIndex.add(0);
}
});
}
Future<void> _initAsync() async {
final notificationAppLaunchDetails = await flutterLocalNotificationsPlugin.getNotificationAppLaunchDetails();
final notificationAppLaunchDetails = await flutterLocalNotificationsPlugin
.getNotificationAppLaunchDetails();
RemoteMessage? initialRemoteMessage;
try {
initialRemoteMessage = await FirebaseMessaging.instance.getInitialMessage();
initialRemoteMessage = await FirebaseMessaging.instance
.getInitialMessage();
} catch (e) {
Log.error('Could not get initial Firebase message: $e');
}
if (widget.initialPage == 0 ||
initialRemoteMessage != null ||
(notificationAppLaunchDetails != null && notificationAppLaunchDetails.didNotificationLaunchApp)) {
(notificationAppLaunchDetails != null &&
notificationAppLaunchDetails.didNotificationLaunchApp)) {
if (initialRemoteMessage != null) {
Log.info('App launched from iOS/Remote push notification tap.');
streamHomeViewPageIndex.add(0);
} else if (notificationAppLaunchDetails?.didNotificationLaunchApp ?? false) {
final payload = notificationAppLaunchDetails?.notificationResponse?.payload;
if (payload != null && payload.startsWith(Routes.chats) && payload != Routes.chats) {
} else if (notificationAppLaunchDetails?.didNotificationLaunchApp ??
false) {
final payload =
notificationAppLaunchDetails?.notificationResponse?.payload;
if (payload != null &&
payload.startsWith(Routes.chats) &&
payload != Routes.chats) {
await routerProvider.push(payload);
streamHomeViewPageIndex.add(0);
}
@ -165,6 +181,7 @@ class HomeViewState extends State<HomeView> {
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
_onMessageOpenedAppSub?.cancel();
_homeViewPageIndexSub?.cancel();
_selectNotificationSub?.cancel();
@ -176,11 +193,38 @@ class HomeViewState extends State<HomeView> {
super.dispose();
}
bool _isViewActive() {
if (!mounted) return false;
return ModalRoute.of(context)?.isCurrent ?? false;
}
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
super.didChangeAppLifecycleState(state);
if (state == AppLifecycleState.resumed) {
if (_offsetRatio < 1 &&
!_mainCameraController.isSharePreviewIsShown &&
_isViewActive()) {
unawaited(
_mainCameraController.selectCamera(
_mainCameraController.selectedCameraDetails.cameraId,
false,
),
);
}
} else if (state == AppLifecycleState.inactive ||
state == AppLifecycleState.paused) {
unawaited(_mainCameraController.closeCamera());
}
}
bool _onPageView(ScrollNotification notification) {
_disableCameraTimer?.cancel();
if (notification.depth > 0 && notification.metrics.axis == Axis.vertical) {
final canScroll = notification.metrics.maxScrollExtent > notification.metrics.minScrollExtent;
final canScroll =
notification.metrics.maxScrollExtent >
notification.metrics.minScrollExtent;
if (!canScroll) {
if (!_isBottomNavVisible) {
setState(() {
@ -188,13 +232,17 @@ class HomeViewState extends State<HomeView> {
});
}
} else {
if (_activePageIdx == 2 && notification.metrics.pixels < 100 && !_isBottomNavVisible) {
if (_activePageIdx == 2 &&
notification.metrics.pixels < 100 &&
!_isBottomNavVisible) {
setState(() {
_isBottomNavVisible = true;
});
} else if (notification is ScrollUpdateNotification) {
final delta = notification.scrollDelta ?? 0;
if (delta > 5 && _isBottomNavVisible && (_activePageIdx != 2 || notification.metrics.pixels >= 100)) {
if (delta > 5 &&
_isBottomNavVisible &&
(_activePageIdx != 2 || notification.metrics.pixels >= 100)) {
setState(() {
_isBottomNavVisible = false;
});
@ -216,7 +264,8 @@ class HomeViewState extends State<HomeView> {
if (_mainCameraController.cameraController == null &&
!_mainCameraController.initCameraStarted &&
_offsetRatio < 1) {
_offsetRatio < 1 &&
_isViewActive()) {
unawaited(
_mainCameraController.selectCamera(
_mainCameraController.selectedCameraDetails.cameraId,
@ -281,12 +330,15 @@ class HomeViewState extends State<HomeView> {
left: 0,
top: 0,
right: 0,
bottom: (_offsetRatio > 0.25) ? MediaQuery.sizeOf(context).height * 2 : 0,
bottom: (_offsetRatio > 0.25)
? MediaQuery.sizeOf(context).height * 2
: 0,
child: Opacity(
opacity: 1 - (_offsetRatio * 4) % 1,
child: CameraPreviewControllerView(
mainController: _mainCameraController,
isVisible: ((1 - (_offsetRatio * 4) % 1) == 1) && _activePageIdx == 1,
isVisible:
((1 - (_offsetRatio * 4) % 1) == 1) && _activePageIdx == 1,
),
),
),