dev

android/src/main/java/com/idlefish/flutterboost/BoostFlutterView.java

@@ -284,7 +284,7 @@ public class BoostFlutterView extends FrameLayout {
         if(stateListener != null) {
             stateListener.beforeEngineDetach(mFlutterEngine,this);
         }
-        mFlutterView.detachFromFlutterEngine();
+        //mFlutterView.detachFromFlutterEngine();
         mEngineAttached = false;
         if(stateListener != null) {
             stateListener.afterEngineDetached(mFlutterEngine,this);

lib/container/container_coordinator.dart

@@ -217,8 +217,8 @@ class ContainerCoordinator {
     if (Platform.isAndroid) {
       try {
         final SemanticsOwner owner =
-            WidgetsBinding.instance.pipelineOwner.semanticsOwner;
-        final SemanticsNode root = owner.rootSemanticsNode;
+            WidgetsBinding.instance.pipelineOwner?.semanticsOwner;
+        final SemanticsNode root = owner?.rootSemanticsNode;
         root?.detach();
         root?.attach(owner);
       } catch (e) {