Fix save to gallery on Android 11

lib/editing/data/exporter_model.dart

@@ -2,7 +2,7 @@ import 'dart:io';
 
 import 'package:firebase_crashlytics/firebase_crashlytics.dart';
 import 'package:flutter/material.dart';
-import 'package:image_gallery_saver/image_gallery_saver.dart';
+import 'package:gallery_saver/gallery_saver.dart';
 import 'package:mooltik/common/data/io/generate_image.dart';
 import 'package:mooltik/common/data/io/mp4/mp4.dart';
 import 'package:mooltik/common/data/project/composite_frame.dart';
@@ -52,7 +52,8 @@ class ExporterModel extends ChangeNotifier {
     _state = ExporterState.exporting;
     notifyListeners();
 
-    final videoFile = _tempFile('mooltik_video.mp4');
+    final timestamp = DateTime.now().millisecondsSinceEpoch;
+    final videoFile = _tempFile('mooltik_video_$timestamp.mp4');
     final slides = await Future.wait(
       frames.map((frame) => _slideFromFrame(frame)),
     );
@@ -68,31 +69,26 @@ class ExporterModel extends ChangeNotifier {
       },
     );
 
-    if (Platform.isAndroid) {
-      // Save to gallery on Android.
-      try {
-        final galleryResult = await ImageGallerySaver.saveFile(videoFile.path);
-        final galleryFilePath = galleryResult['filePath'];
-        _outputFilePath = galleryFilePath ?? videoFile.path;
-
-        if (galleryFilePath == null) {
-          throw Exception(
-              'Failed when tried uploading video to the gallery. $galleryResult');
-        }
-      } catch (e, stack) {
-        FirebaseCrashlytics.instance.recordError(e, stack);
-      }
-    } else if (Platform.isIOS) {
-      // iOS is more restrictive here. Usually apps show share dialog.
-      // Default native player will have a share button.
-      _outputFilePath = videoFile.path;
-    }
+    await _saveToGallery(videoFile.path);
 
+    _outputFilePath = videoFile.path;
     _progress = 1; // in case ffmpeg statistics callback didn't finish on 100%
     _state = ExporterState.done;
     notifyListeners();
   }
 
+  Future<void> _saveToGallery(String path) async {
+    try {
+      final success = await GallerySaver.saveVideo(path);
+
+      if (success == false) {
+        throw Exception('Failed when tried uploading video to the gallery.');
+      }
+    } catch (e, stack) {
+      FirebaseCrashlytics.instance.recordError(e, stack);
+    }
+  }
+
   Future<void> openOutputFile() async {
     if (_outputFilePath == null) return;
     OpenFile.open(p.fromUri(_outputFilePath));

pubspec.lock

@@ -254,6 +254,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "9.0.0"
+  gallery_saver:
+    dependency: "direct main"
+    description:
+      name: gallery_saver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   http:
     dependency: transitive
     description:
@@ -275,13 +282,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.0.2"
-  image_gallery_saver:
-    dependency: "direct main"
-    description:
-      name: image_gallery_saver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.6.9"
   io:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.11.1
+version: 1.11.2
 
 environment:
   sdk: '>=2.12.0 <3.0.0'
@@ -56,7 +56,7 @@ dependencies:
 
   # Export video:
   flutter_ffmpeg: ^0.4.0
-  image_gallery_saver: ^1.6.9
+  gallery_saver: ^2.1.0
   open_file: ^3.2.1
 
   # Analytics: