fix #356

lib/src/services/api/mediafiles/upload.service.dart

@@ -87,7 +87,6 @@ Future<MediaFileService?> initializeMediaUpload(
 Future<void> insertMediaFileInMessagesTable(
   MediaFileService mediaService,
   List<String> groupIds,
-  Future<Uint8List?>? imageStoreAwait,
 ) async {
   await twonlyDB.mediaFilesDao.updateAllMediaFiles(
     const MediaFilesCompanion(
@@ -118,13 +117,6 @@ Future<void> insertMediaFileInMessagesTable(
     }
   }
 
-  if (imageStoreAwait != null) {
-    if (await imageStoreAwait == null) {
-      Log.error('image store as original did return false...');
-      return;
-    }
-  }
-
   unawaited(startBackgroundMediaUpload(mediaService));
 }
 

lib/src/views/camera/image_editor/data/layer.dart

@@ -35,6 +35,7 @@ class BackgroundLayerData extends Layer {
     required this.image,
   });
   ImageItem image;
+  bool imageLoaded = false;
 }
 
 class FilterLayerData extends Layer {

lib/src/views/camera/image_editor/layers/background_layer.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:twonly/src/views/camera/image_editor/data/layer.dart';
 
-/// Main layer
 class BackgroundLayer extends StatefulWidget {
   const BackgroundLayer({
     required this.layerData,
@@ -23,7 +22,17 @@ class _BackgroundLayerState extends State<BackgroundLayer> {
       height: widget.layerData.image.height.toDouble(),
       // color: Theme.of(context).colorScheme.surface,
       padding: EdgeInsets.zero,
-      child: Image.memory(widget.layerData.image.bytes),
+      child: Image.memory(
+        widget.layerData.image.bytes,
+        frameBuilder: (context, child, frame, wasSynchronouslyLoaded) {
+          if (wasSynchronouslyLoaded || frame != null) {
+            WidgetsBinding.instance.addPostFrameCallback((_) {
+              widget.layerData.imageLoaded = true;
+            });
+          }
+          return child;
+        },
+      ),
     );
   }
 }

lib/src/views/camera/share_image_editor_view.dart

@@ -64,6 +64,7 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
   VideoPlayerController? videoController;
   ImageItem currentImage = ImageItem();
   ScreenshotController screenshotController = ScreenshotController();
+  Timer? _imageLoadingTimer;
 
   MediaFileService get mediaService => widget.mediaFileService;
   MediaFile get media => widget.mediaFileService.mediaFile;
@@ -120,6 +121,7 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
         isDraftMedia: Value(false),
       ),
     );
+    _imageLoadingTimer?.cancel();
     super.dispose();
   }
 
@@ -535,6 +537,7 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
       }
     });
 
+    setState(() {
       layers.insert(
         0,
         BackgroundLayerData(
@@ -542,11 +545,28 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
           image: currentImage,
         ),
       );
+    });
+    // It is important that the user can sending the image only when the image is fully loaded otherwise if the user
+    // will click on send before the image is painted the screenshot will be transparent..
+    _imageLoadingTimer =
+        Timer.periodic(const Duration(milliseconds: 10), (timer) {
+      final imageLayer = layers.first;
+      if (imageLayer is BackgroundLayerData) {
+        if (imageLayer.imageLoaded) {
+          timer.cancel();
+          Future.delayed(const Duration(milliseconds: 50), () {
+            Log.info(imageLayer.imageLoaded);
+            if (context.mounted) {
               setState(() {
                 sendingOrLoadingImage = false;
                 loadingImage = false;
               });
             }
+          });
+        }
+      }
+    });
+  }
 
   Future<void> sendImageToSinglePerson() async {
     if (sendingOrLoadingImage) return;
@@ -556,16 +576,16 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
 
     if (!context.mounted) return;
 
+    // must be awaited so the widget for the screenshot is not already disposed when sending..
+    await storeImageAsOriginal();
+
     // Insert media file into the messages database and start uploading process in the background
-    unawaited(
-      insertMediaFileInMessagesTable(
+    await insertMediaFileInMessagesTable(
       mediaService,
       [widget.sendToGroup!.groupId],
-        storeImageAsOriginal(),
-      ),
     );
 
-    if (context.mounted) {
+    if (mounted) {
       Navigator.pop(context, true);
     }
   }

lib/src/views/camera/share_image_view.dart

@@ -286,7 +286,6 @@ class _ShareImageView extends State<ShareImageView> {
                   await insertMediaFileInMessagesTable(
                     widget.mediaFileService,
                     widget.selectedGroupIds.toList(),
-                    null,
                   );
 
                   if (context.mounted) {

lib/src/views/chats/chat_messages_components/message_input.dart

@@ -151,7 +151,6 @@ class _MessageInputState extends State<MessageInput> {
     await insertMediaFileInMessagesTable(
       mediaFileService,
       [widget.group.groupId],
-      null,
     );
   }