Screenshot is not working

[karthikeyanmarutham]

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.16.4, on macOS 14.2 23C64 darwin-x64, locale en-AE)
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.1)
[✓] Xcode - develop for iOS and macOS (Xcode 15.1)
[✓] Android Studio (version 2022.1)
[✓] IntelliJ IDEA Community Edition (version 2023.2.3)
[✓] VS Code (version 1.69.2)
[✓] VS Code (version 1.86.0-insider)
[✓] Network resources

! Doctor found issues in 1 category.

Code Details :

Open Button

onTap() async {
await FlutterWindowManager.addFlags(FlutterWindowManager.FLAG_SECURE);
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => ViewProfileImage(url),
fullscreenDialog: true,
),
);
}

Back Button

BackButton(
onPressed: () async {
await FlutterWindowManager.clearFlags(
FlutterWindowManager.FLAG_SECURE);
SchedulerBinding.instance.addPostFrameCallback((Duration duration) {
Navigator.pop(context);
});
},
)

Error Details :

[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: MissingPluginException(No implementation found for method addFlags on channel flutter_windowmanager)
#0 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:320:7)

#1 FlutterWindowManager.addFlags (package:flutter_windowmanager/flutter_windowmanager.dart:111:12)

#2 ImageWidget.build.. (/modules/common/Widgets/MaterialWidget/image_widget.dart:98:17)

[khaledelsherbiny]

I've same issue