Show keyboard after text input connection restarts (#96541)

packages/flutter/lib/src/widgets/editable_text.dart

@@ -2311,6 +2311,7 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
 
     final TextStyle style = widget.style;
     newConnection
+      ..show()
       ..setStyle(
         fontFamily: style.fontFamily,
         fontSize: style.fontSize,

packages/flutter/test/widgets/editable_text_test.dart

@@ -2194,6 +2194,49 @@ void main() {
       ])));
   });
 
+  testWidgets(
+    'requesting focus in the onSubmitted callback should keep the onscreen keyboard visible',
+    (WidgetTester tester) async {
+      // Regression test for https://github.com/flutter/flutter/issues/95154 .
+      final Widget widget = MaterialApp(
+        home: EditableText(
+          backgroundCursorColor: Colors.grey,
+          style: Typography.material2018().black.subtitle1!,
+          cursorColor: Colors.blue,
+          focusNode: focusNode,
+          controller: controller,
+          onSubmitted: (String value) {
+            focusNode.requestFocus();
+          },
+        ),
+      );
+      await tester.pumpWidget(widget);
+
+      focusNode.requestFocus();
+      await tester.pump();
+
+      assert(focusNode.hasFocus);
+      tester.testTextInput.log.clear();
+
+      // This will attempt to unfocus the field but the onSubmitted callback
+      // will cancel that. Restart the input connection in this case.
+      await tester.testTextInput.receiveAction(TextInputAction.done);
+      expect(tester.testTextInput.log, containsAllInOrder(<Matcher>[
+        matchesMethodCall('TextInput.clearClient'),
+        matchesMethodCall('TextInput.setClient'),
+        matchesMethodCall('TextInput.show'),
+      ]));
+
+      tester.testTextInput.log.clear();
+      // TextInputAction.unspecified does not unfocus the input field by default.
+      await tester.testTextInput.receiveAction(TextInputAction.unspecified);
+      expect(tester.testTextInput.log, isNot(containsAllInOrder(<Matcher>[
+        matchesMethodCall('TextInput.clearClient'),
+        matchesMethodCall('TextInput.setClient'),
+        matchesMethodCall('TextInput.show'),
+      ])));
+  });
+
   testWidgets(
     'iOS autocorrection rectangle should appear on demand and dismiss when the text changes or when focus is lost',
     (WidgetTester tester) async {