V9.3.0 Android Concurrency change

Main change is in Android concurrency, triggered by the [Great Thread Merge](flutter/flutter#150525) that causes UI blocking issues for recent versions of Flutter. The concurrency approach has been changed, but note this can cause minor changes in - for example - the sequence in which certain events happen.

* Feature improvements
  - Add pause and resume functionality to TaskQueue using `pauseAll` and `resumeAll`. These methods are now called when pausing or resuming all tasks using the `FileDownloader`

* Bug fixes
  - Fix issue with MultiUploadTask when uploading only one file
  - UriUtils subclasses are now private, as they should have been to start with
  - Address Dart analyzer recommendations

Author: 781flyingdutchman

CHANGELOG.md

@@ -1,3 +1,15 @@
+## 9.3.0
+
+Main change is in Android concurrency, triggered by the [Great Thread Merge](https://github.com/flutter/flutter/issues/150525) that causes UI blocking issues for recent versions of Flutter. The concurrency approach has been changed, but note this can cause minor changes in - for example - the sequence in which certain events happen.
+
+* Feature improvements
+  - Add pause and resume functionality to TaskQueue using `pauseAll` and `resumeAll`. These methods are now called when pausing or resuming all tasks using the `FileDownloader`
+
+* Bug fixes
+  - Fix issue with MultiUploadTask when uploading only one file
+  - UriUtils subclasses are now private, as they should have been to start with
+  - Address Dart analyzer recommendations
+
 ## 9.2.6
 
 * Bug fix

example/integration_test/general_test.dart

@@ -3117,8 +3117,8 @@ void main() {
       final task2 = DownloadTask(url: urlWithLongContentLength);
       tq.add(task1);
       tq.add(task2);
-      await Future.delayed(const Duration(
-          milliseconds: 500)); // allow first task to start
+      await Future.delayed(
+          const Duration(milliseconds: 500)); // allow first task to start
       await FileDownloader().pauseAll();
       await Future.delayed(const Duration(
           seconds: 2)); // allow for second task to start if not paused

pubspec.yaml

@@ -1,7 +1,7 @@
 name: background_downloader
 description: A multi-platform background file downloader and uploader. Define the task, enqueue and monitor progress
 
-version: 9.2.6
+version: 9.3.0
 repository: https://github.com/781flyingdutchman/background_downloader
 
 environment: