feat(video_calls): removed system ui, fixed wrong app initializing

ios/Runner/AppDelegate.swift

@@ -13,6 +13,7 @@ import flutter_foreground_task
   private var voipRegistry: PKPushRegistry?
   private var voipDiagnosticsChannel: FlutterMethodChannel?
   private let voipDiagnosticsStorageKey = "EatvioVoipDiagnostics"
+  private let pendingAcceptedVoipCallKey = "EatvioPendingAcceptedVoipCall"
   private let voipDiagnosticsChannelName = "com.eatvioapp/voip_diagnostics"
   private let appUrlScheme = "eatvio"
 
@@ -43,11 +44,18 @@ import flutter_foreground_task
       )
       voipDiagnosticsChannel = channel
       channel.setMethodCallHandler { [weak self] call, result in
-        guard call.method == "drainVoipDiagnostics" else {
-          result(FlutterMethodNotImplemented)
+        guard let self else {
+          result(nil)
           return
         }
-        result(self?.drainVoipDiagnostics() ?? [])
+        switch call.method {
+        case "drainVoipDiagnostics":
+          result(self.drainVoipDiagnostics())
+        case "drainPendingAcceptedVoipCall":
+          result(self.drainPendingAcceptedVoipCall())
+        default:
+          result(FlutterMethodNotImplemented)
+        }
       }
     }
 
@@ -159,6 +167,32 @@ import flutter_foreground_task
     return nil
   }
 
+  private func storePendingAcceptedCall(_ call: Call) {
+    let payload = sanitizedDiagnosticValue(call.data.toJSON()) as? [String: Any] ?? [:]
+    UserDefaults.standard.set(payload, forKey: pendingAcceptedVoipCallKey)
+  }
+
+  private func drainPendingAcceptedVoipCall() -> [String: Any]? {
+    let defaults = UserDefaults.standard
+    guard let payload = defaults.dictionary(forKey: pendingAcceptedVoipCallKey) else {
+      return nil
+    }
+    defaults.removeObject(forKey: pendingAcceptedVoipCallKey)
+    return payload
+  }
+
+  private func bringAppToForeground() {
+    DispatchQueue.main.async {
+      for scene in UIApplication.shared.connectedScenes {
+        guard let windowScene = scene as? UIWindowScene else { continue }
+        for window in windowScene.windows {
+          window.makeKeyAndVisible()
+        }
+      }
+      self.window?.makeKeyAndVisible()
+    }
+  }
+
   private func openAppForAcceptedCall(_ call: Call) {
     guard let conversationUuid = conversationUuid(fromCall: call), !conversationUuid.isEmpty else {
       recordVoipDiagnostic(
@@ -197,6 +231,8 @@ import flutter_foreground_task
       ]
     )
 
+    bringAppToForeground()
+
     UIApplication.shared.open(url, options: [:]) { [weak self] success in
       self?.recordVoipDiagnostic(
         success ? "accepted_call_open_app_succeeded" : "accepted_call_open_app_failed",
@@ -446,6 +482,7 @@ import flutter_foreground_task
 
 
   func onAccept(_ call: Call, _ action: CXAnswerCallAction) {
+    storePendingAcceptedCall(call)
     recordVoipDiagnostic(
       "callkit_accept_native",
       data: [
@@ -456,6 +493,7 @@ import flutter_foreground_task
     )
     voipDiagnosticsChannel?.invokeMethod("acceptedVoipCall", arguments: call.data.toJSON())
     DispatchQueue.main.async { [weak self] in
+      self?.bringAppToForeground()
       self?.openAppForAcceptedCall(call)
     }
     action.fulfill()

lib/features/video_calls/services/video_call_callkit_coordinator.dart

@@ -14,6 +14,7 @@ import 'package:flutter/widgets.dart';
 import 'package:flutter_callkit_incoming/entities/call_event.dart';
 import 'package:flutter_callkit_incoming/entities/call_kit_params.dart';
 import 'package:flutter_callkit_incoming/flutter_callkit_incoming.dart';
+import 'package:flutter_native_splash/flutter_native_splash.dart';
 import 'package:sentry_flutter/sentry_flutter.dart';
 
 class VideoCallCallKitCoordinator {
@@ -57,8 +58,10 @@ class VideoCallCallKitCoordinator {
         }
       });
       await _firebaseApi.registerPushToken();
+      await _drainPendingNativeAcceptedVoipCall();
       WidgetsBinding.instance.addPostFrameCallback((_) {
         _scheduleNativeVoipDiagnosticsDrain();
+        unawaited(_drainPendingNativeAcceptedVoipCall());
       });
       return;
     }
@@ -137,6 +140,29 @@ class VideoCallCallKitCoordinator {
     }
   }
 
+  Future<void> _drainPendingNativeAcceptedVoipCall() async {
+    if (!Platform.isIOS) return;
+    try {
+      final pending = await _voipDiagnosticsChannel.invokeMethod(
+        'drainPendingAcceptedVoipCall',
+      );
+      if (pending == null) return;
+      await _handleNativeAcceptedVoipCall(pending);
+    } on PlatformException catch (e, st) {
+      log(
+        'VideoCallCallKitCoordinator: failed to drain pending native accept: $e',
+        name: 'VideoCallCallKit',
+        stackTrace: st,
+      );
+    } catch (e, st) {
+      log(
+        'VideoCallCallKitCoordinator: failed to process pending native accept: $e',
+        name: 'VideoCallCallKit',
+        stackTrace: st,
+      );
+    }
+  }
+
   Future<void> _onCallKitEvent(CallEvent? event) async {
     if (event == null) return;
     unawaited(_captureCallKitEventToSentry(event));
@@ -424,7 +450,9 @@ class VideoCallCallKitCoordinator {
     _suppressedEndCallKitIds.add(callKitId);
 
     try {
-      await FlutterCallkitIncoming.endCall(callKitId);
+      if (!Platform.isIOS) {
+        await FlutterCallkitIncoming.endCall(callKitId);
+      }
 
       final binding = WidgetsBinding.instance;
       final completer = Completer<void>();
@@ -439,6 +467,10 @@ class VideoCallCallKitCoordinator {
         );
       });
       await completer.future;
+
+      if (Platform.isIOS) {
+        await FlutterCallkitIncoming.endCall(callKitId);
+      }
     } finally {
       unawaited(
         Future<void>.delayed(const Duration(seconds: 2), () {
@@ -454,8 +486,12 @@ class VideoCallCallKitCoordinator {
     String? counterpartName,
     String? counterpartAvatarUrl,
     String? localParticipantName,
-  }) {
-    return VideoCallNotificationNavigator.openIncomingCall(
+  }) async {
+    if (Platform.isIOS) {
+      FlutterNativeSplash.remove();
+    }
+
+    await VideoCallNotificationNavigator.openIncomingCall(
       conversationUuid: conversationUuid,
       counterpartName: counterpartName,
       counterpartAvatarUrl: counterpartAvatarUrl,