add file size limit parameter

packages/stream_chat_flutter/example/lib/main.dart

@@ -70,7 +70,12 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) => MaterialApp(
         theme: ThemeData.light(),
         darkTheme: ThemeData.dark(),
-        supportedLocales: const [Locale('en'), Locale('hi')],
+        supportedLocales: const [
+          Locale('en'),
+          Locale('hi'),
+          Locale('fr'),
+          Locale('it'),
+        ],
         localizationsDelegates: GlobalStreamChatLocalizations.delegates,
         builder: (context, widget) => StreamChat(
           client: client,

packages/stream_chat_flutter/lib/src/localization/translations.dart

@@ -67,9 +67,9 @@ abstract class Translations {
 
   String get instantCommandsLabel;
 
-  String get fileTooLargeAfterCompressionError;
+  String fileTooLargeAfterCompressionError(double limitInMB);
 
-  String get fileTooLargeError;
+  String fileTooLargeError(double limitInMB);
 
   String emojiMatchingQueryText(String query);
 
@@ -314,14 +314,14 @@ class DefaultTranslations implements Translations {
   String get instantCommandsLabel => 'Instant Commands';
 
   @override
-  String get fileTooLargeAfterCompressionError =>
+  String fileTooLargeAfterCompressionError(double limitInMB) =>
       'The file is too large to upload. '
-      'The file size limit is 20MB. '
+      'The file size limit is $limitInMB MB. '
       'We tried compressing it, but it was not enough.';
 
   @override
-  String get fileTooLargeError =>
-      'The file is too large to upload. The file size limit is 20MB.';
+  String fileTooLargeError(double limitInMB) =>
+      'The file is too large to upload. The file size limit is $limitInMB MB.';
 
   @override
   String emojiMatchingQueryText(String query) => 'Emoji matching "$query"';

packages/stream_chat_flutter/lib/src/message_input.dart

@@ -1144,7 +1144,9 @@ class MessageInputState extends State<MessageInput> {
 
         if (mediaInfo.filesize! > widget.maxAttachmentSize) {
           _showErrorAlert(
-            context.translations.fileTooLargeAfterCompressionError,
+            context.translations.fileTooLargeAfterCompressionError(
+              widget.maxAttachmentSize / (1024 * 1024),
+            ),
           );
           return;
         }
@@ -1155,7 +1157,9 @@ class MessageInputState extends State<MessageInput> {
           path: mediaInfo.path,
         );
       } else {
-        _showErrorAlert(context.translations.fileTooLargeError);
+        _showErrorAlert(context.translations.fileTooLargeError(
+          widget.maxAttachmentSize / (1024 * 1024),
+        ));
         return;
       }
     }
@@ -1922,7 +1926,9 @@ class MessageInputState extends State<MessageInput> {
 
         if (mediaInfo.filesize! > widget.maxAttachmentSize) {
           _showErrorAlert(
-            context.translations.fileTooLargeAfterCompressionError,
+            context.translations.fileTooLargeAfterCompressionError(
+              widget.maxAttachmentSize / (1024 * 1024),
+            ),
           );
           return;
         }
@@ -1933,7 +1939,9 @@ class MessageInputState extends State<MessageInput> {
           path: mediaInfo.path,
         );
       } else {
-        _showErrorAlert(context.translations.fileTooLargeError);
+        _showErrorAlert(context.translations.fileTooLargeError(
+          widget.maxAttachmentSize / (1024 * 1024),
+        ));
         return;
       }
     }