fix multiple submit issue. now show CircularProgressIndicator instead…

feedback/example/lib/main.dart

@@ -36,7 +36,8 @@ class _MyAppState extends State<MyApp> {
       // If custom feedback is not enabled, supply null and the default text
       // feedback form will be used.
       feedbackBuilder: _useCustomFeedback
-          ? (context, onSubmit, scrollController) => CustomFeedbackForm(
+          ? (context, onSubmit, scrollController, showLoading) =>
+              CustomFeedbackForm(
                 onSubmit: onSubmit,
                 scrollController: scrollController,
               )

feedback/lib/src/better_feedback.dart

@@ -17,6 +17,8 @@ typedef OnSubmit = Future<void> Function(
   Map<String, dynamic>? extras,
 });
 
+typedef ShowLoading = bool;
+
 /// A function that returns a Widget that prompts the user for feedback and
 /// calls [OnSubmit] when the user wants to submit their feedback.
 ///
@@ -31,6 +33,7 @@ typedef FeedbackBuilder = Widget Function(
   BuildContext,
   OnSubmit,
   ScrollController?,
+  ShowLoading,
 );
 
 /// A drag handle to be placed at the top of a draggable feedback sheet.

feedback/lib/src/feedback_bottom_sheet.dart

@@ -12,11 +12,13 @@ class FeedbackBottomSheet extends StatelessWidget {
     required this.feedbackBuilder,
     required this.onSubmit,
     required this.sheetProgress,
+    required this.showLoading,
   });
 
   final FeedbackBuilder feedbackBuilder;
   final OnSubmit onSubmit;
   final ValueNotifier<double> sheetProgress;
+  final bool showLoading;
 
   @override
   Widget build(BuildContext context) {
@@ -26,6 +28,7 @@ class FeedbackBottomSheet extends StatelessWidget {
           feedbackBuilder: feedbackBuilder,
           onSubmit: onSubmit,
           sheetProgress: sheetProgress,
+          showLoading: showLoading,
         ),
       );
     }
@@ -45,6 +48,7 @@ class FeedbackBottomSheet extends StatelessWidget {
                   context,
                   onSubmit,
                   null,
+                  showLoading,
                 ),
               );
             },
@@ -60,11 +64,13 @@ class _DraggableFeedbackSheet extends StatefulWidget {
     required this.feedbackBuilder,
     required this.onSubmit,
     required this.sheetProgress,
+    required this.showLoading,
   });
 
   final FeedbackBuilder feedbackBuilder;
   final OnSubmit onSubmit;
   final ValueNotifier<double> sheetProgress;
+  final bool showLoading;
 
   @override
   State<_DraggableFeedbackSheet> createState() =>
@@ -138,6 +144,7 @@ class _DraggableFeedbackSheetState extends State<_DraggableFeedbackSheet> {
                             context,
                             widget.onSubmit,
                             scrollController,
+                            widget.showLoading,
                           ),
                         );
                       },

feedback/lib/src/feedback_builder/string_feedback.dart

@@ -8,8 +8,13 @@ Widget simpleFeedbackBuilder(
   BuildContext context,
   OnSubmit onSubmit,
   ScrollController? scrollController,
+  bool showLoading,
 ) =>
-    StringFeedback(onSubmit: onSubmit, scrollController: scrollController);
+    StringFeedback(
+      onSubmit: onSubmit,
+      scrollController: scrollController,
+      showLoading: showLoading,
+    );
 
 /// A form that prompts the user for feedback with a single text field.
 /// This is the default feedback widget used by [BetterFeedback].
@@ -20,11 +25,15 @@ class StringFeedback extends StatefulWidget {
     super.key,
     required this.onSubmit,
     required this.scrollController,
+    required this.showLoading,
   });
 
   /// Should be called when the user taps the submit button.
   final OnSubmit onSubmit;
 
+  /// show CircularProgressIndicator when Submiting
+  final bool showLoading;
+
   /// A scroll controller that expands the sheet when it's attached to a
   /// scrollable widget and that widget is scrolled.
   ///
@@ -88,16 +97,18 @@ class _StringFeedbackState extends State<StringFeedback> {
             ],
           ),
         ),
-        TextButton(
-          key: const Key('submit_feedback_button'),
-          child: Text(
-            FeedbackLocalizations.of(context).submitButtonText,
-            style: TextStyle(
-              color: FeedbackTheme.of(context).activeFeedbackModeColor,
-            ),
-          ),
-          onPressed: () => widget.onSubmit(controller.text),
-        ),
+        widget.showLoading
+            ? CircularProgressIndicator()
+            : TextButton(
+                key: const Key('submit_feedback_button'),
+                child: Text(
+                  FeedbackLocalizations.of(context).submitButtonText,
+                  style: TextStyle(
+                    color: FeedbackTheme.of(context).activeFeedbackModeColor,
+                  ),
+                ),
+                onPressed: () => widget.onSubmit(controller.text),
+              ),
         const SizedBox(height: 8),
       ],
     );

feedback/lib/src/feedback_widget.dart

@@ -51,6 +51,7 @@ class FeedbackWidgetState extends State<FeedbackWidget>
     with SingleTickerProviderStateMixin {
   // Padding to put around the interactive screenshot preview.
   final double padding = 8;
+  bool showLoading = false;
 
   // We use a ValueNotifier instead of just a double and `SetState` because
   // rebuilding the feedback sheet mid-drag cancels the drag.
@@ -263,10 +264,14 @@ class FeedbackWidgetState extends State<FeedbackWidget>
                             child: FeedbackBottomSheet(
                               key: const Key('feedback_bottom_sheet'),
                               feedbackBuilder: widget.feedbackBuilder,
+                              showLoading: showLoading,
                               onSubmit: (
                                 String feedback, {
                                 Map<String, dynamic>? extras,
                               }) async {
+                                setState(() {
+                                  showLoading = true;
+                                });
                                 await _sendFeedback(
                                   context,
                                   BetterFeedback.of(context).onFeedback!,
@@ -275,6 +280,9 @@ class FeedbackWidgetState extends State<FeedbackWidget>
                                   widget.pixelRatio,
                                   extras: extras,
                                 );
+                                setState(() {
+                                  showLoading = false;
+                                });
                                 painterController.clear();
                               },
                               sheetProgress: sheetProgress,

feedback/test/feedback_test.dart

@@ -224,7 +224,7 @@ void main() {
             submittedFeedback = feedback;
           },
         ),
-        feedbackBuilder: (context, onSubmit, controller) {
+        feedbackBuilder: (context, onSubmit, controller, showLoading) {
           return SingleChildScrollView(
             controller: controller,
             child: TextButton(