GestureDetector and fixes (#459)

* Make `cryptography` dependency optional

* Setting Flet client build number

* Do not set build-number

* Update Flet macOS icons

* Clipboard re-done to support Safari

* Make crypto utils optional

Fix #417

* Re-enable Python 3.7 as PDM fixed the issue

pdm-project/pdm#1411 (comment)

* Fix #431 - Handling Flutter and platform errors

* Added additional styles to TextField and Dropdown

* label_style
* hint_style
* helper_style
* counter_style
* error_style
* prefix_style
* suffix_style

Fix #446

* Fix CI

* Add an ability to hide automatic back button in AppBar

Fix #209

* Added `SnackBar.action_color`

Fix #364

* Control TextFields cursor presentation

Fix #356

* Add x and y to DropTarget.on_accept event

#329

* Customize colors of Checkbox and Radio

Fix #320

* Restore `websocket.defaulttimeout` on connect

Fix #413

* `Audio.get_current_position` and `Audio.get_duration` returns `int`

Fix #440

* Update container.dart

* GestureDetector control started

* `Audio.playback_rate` added

Fix #451

* All Tap gestures

* Gesture detector ready but without throttling

* Throttling of drag and hover events

* Get version from Git repo

* Fix gesture handlers

* Added a simple integration test - just for fun

* ElevatedButton must show error if only icon specified without text

Fix #357

* Display an error when left, top, right or bottom are used not in Stack

Fix #296

* Shrink wrap ListView and GridView if bounds are unlimited

Fix #331

* Fix #303 - NavigationRail is not shown in a parent without fixed height

* Do not bind session value to the IP

Fix #457

* Fix path traversal in tar unpack (CVE-2007-4559)

* Added `Container.shape` property

* Fix the rest of warnings

* Remove ControlType enum

* Fix flutter tests

* Fix MouseCursor enum

* Added Flutter package readme

.appveyor.yml

@@ -58,11 +58,11 @@ environment:
       job_depends_on: build_flet_package
       APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu
 
-    # - job_name: Test Python 3.7
-    #   job_group: python_tests
-    #   job_depends_on: build_flet
-    #   python_stack: python 3.7
-    #   APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu
+    - job_name: Test Python 3.7
+      job_group: python_tests
+      job_depends_on: build_flet
+      python_stack: python 3.7
+      APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu
 
     - job_name: Test Python 3.8
       job_group: python_tests
@@ -144,7 +144,8 @@ for:
 
     build_script:
       - cd client
-      - flutter build windows
+      - ps: if ($env:APPVEYOR_REPO_TAG_NAME -match "[0-9\.]+") { $env:FLET_VER=$Matches.0 } else { $env:FLET_VER=$env:APPVEYOR_BUILD_VERSION }
+      - flutter build windows --build-name=%FLET_VER%
       - set RELEASE_DIR=build\windows\runner\Release
       - copy "%VC_REDIST_DIR%\msvcp140.dll" %RELEASE_DIR%
       - copy "%VC_REDIST_DIR%\vcruntime140.dll" %RELEASE_DIR%
@@ -190,7 +191,8 @@ for:
     build_script:
       # Flutter macOS client
       - cd client
-      - flutter build macos
+      - if [[ "$APPVEYOR_REPO_TAG_NAME" =~ ([0-9\.]+) ]]; then export FLET_VER="${BASH_REMATCH[1]}"; else export FLET_VER="$APPVEYOR_BUILD_VERSION"; fi
+      - flutter build macos --build-name=$FLET_VER
       - tar -czvf flet-macos-amd64.tar.gz -C build/macos/Build/Products/Release Flet.app
 
     artifacts:
@@ -226,7 +228,8 @@ for:
 
     build_script:
       - cd client
-      - flutter build linux
+      - if [[ "$APPVEYOR_REPO_TAG_NAME" =~ ([0-9\.]+) ]]; then export FLET_VER="${BASH_REMATCH[1]}"; else export FLET_VER="$APPVEYOR_BUILD_VERSION"; fi
+      - flutter build linux --build-name=$FLET_VER
       - mv build/linux/x64/release/bundle build/linux/x64/release/flet
       - tar -czvf flet-linux-amd64.tar.gz -C build/linux/x64/release flet
 
@@ -263,7 +266,8 @@ for:
 
     build_script:
       - cd client
-      - flutter build linux
+      - if [[ "$APPVEYOR_REPO_TAG_NAME" =~ ([0-9\.]+) ]]; then export FLET_VER="${BASH_REMATCH[1]}"; else export FLET_VER="$APPVEYOR_BUILD_VERSION"; fi
+      - flutter build linux --build-name=$FLET_VER
       - mv build/linux/arm64/release/bundle build/linux/arm64/release/flet
       - tar -czvf flet-linux-arm64.tar.gz -C build/linux/arm64/release flet
 
@@ -433,7 +437,7 @@ for:
           # patch version
           $env:PACKAGE_VERSION = $ver
           (Get-Content pyproject.toml).replace("version = `"0.1.0`"", "version = `"$ver`"") | Set-Content pyproject.toml
-          ("# this file was auto-generated by CI", "version = '$ver'") | Set-Content flet/version.py
+          (Get-Content flet/version.py).replace("version = `"`"", "version = `"$ver`"") | Set-Content flet/version.py
 
       # build package
       - pdm build

client/integration_test/app_test.dart

@@ -0,0 +1,40 @@
+import 'dart:io';
+
+import 'package:flet_client/main.dart' as app;
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:integration_test/integration_test.dart';
+
+void main() {
+  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+
+  tearDown(() {
+    debugPrint("TEAR DOWN");
+  });
+
+  group('end-to-end test', () {
+    testWidgets('tap on the floating action button, verify counter',
+        (tester) async {
+      var dir = Directory.current.path;
+      debugPrint("Current dir: $dir");
+      app.main();
+      await tester.pumpAndSettle(const Duration(milliseconds: 100),
+          EnginePhase.sendSemanticsUpdate, const Duration(seconds: 20));
+
+      // Verify the counter starts at 0.
+      expect(find.text('0'), findsOneWidget);
+
+      // Finds the floating action button to tap on.
+      final Finder fab = find.byTooltip('Increment');
+
+      // Emulate a tap on the floating action button.
+      await tester.tap(fab);
+
+      // Trigger a frame.
+      await tester.pumpAndSettle();
+
+      // Verify the counter increments by 1.
+      expect(find.text('1'), findsOneWidget);
+    });
+  });
+}

client/lib/main.dart

@@ -41,5 +41,22 @@ void main([List<String>? args]) async {
 
   debugPrint("Page URL: $pageUrl");
 
-  runApp(FletApp(title: 'Flet', pageUrl: pageUrl));
+  FletAppErrorsHandler errorsHandler = FletAppErrorsHandler();
+
+  if (!kDebugMode) {
+    FlutterError.onError = (details) {
+      errorsHandler.onError(details.exceptionAsString());
+    };
+
+    PlatformDispatcher.instance.onError = (error, stack) {
+      errorsHandler.onError(error.toString());
+      return true;
+    };
+  }
+
+  runApp(FletApp(
+    title: 'Flet',
+    pageUrl: pageUrl,
+    errorsHandler: errorsHandler,
+  ));
 }

client/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -15,7 +15,7 @@
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-               BuildableName = "flet.app"
+               BuildableName = "Flet.app"
                BlueprintName = "Runner"
                ReferencedContainer = "container:Runner.xcodeproj">
             </BuildableReference>
@@ -31,7 +31,7 @@
          <BuildableReference
             BuildableIdentifier = "primary"
             BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-            BuildableName = "flet.app"
+            BuildableName = "Flet.app"
             BlueprintName = "Runner"
             ReferencedContainer = "container:Runner.xcodeproj">
          </BuildableReference>
@@ -54,7 +54,7 @@
          <BuildableReference
             BuildableIdentifier = "primary"
             BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-            BuildableName = "flet.app"
+            BuildableName = "Flet.app"
             BlueprintName = "Runner"
             ReferencedContainer = "container:Runner.xcodeproj">
          </BuildableReference>
@@ -71,7 +71,7 @@
          <BuildableReference
             BuildableIdentifier = "primary"
             BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-            BuildableName = "flet.app"
+            BuildableName = "Flet.app"
             BlueprintName = "Runner"
             ReferencedContainer = "container:Runner.xcodeproj">
          </BuildableReference>

client/pubspec.lock

@@ -85,13 +85,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.1"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
   clock:
     dependency: transitive
     description:
@@ -112,7 +105,7 @@ packages:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   equatable:
     dependency: transitive
     description:
@@ -140,7 +133,7 @@ packages:
       name: file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.1.4"
+    version: "6.1.2"
   file_picker:
     dependency: transitive
     description:
@@ -160,6 +153,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_driver:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   flutter_launcher_icons_maker:
     dependency: "direct dev"
     description:
@@ -180,7 +178,7 @@ packages:
       name: flutter_markdown
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.10+3"
+    version: "0.6.12"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
@@ -212,6 +210,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  fuchsia_remote_debug_protocol:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   http:
     dependency: transitive
     description:
@@ -233,6 +236,11 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.2.0"
+  integration_test:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   js:
     dependency: transitive
     description:
@@ -253,7 +261,7 @@ packages:
       name: markdown
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.0.0"
+    version: "6.0.1"
   matcher:
     dependency: transitive
     description:
@@ -267,7 +275,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.0"
+    version: "0.1.5"
   meta:
     dependency: transitive
     description:
@@ -454,7 +462,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.1"
+    version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
@@ -476,6 +484,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.1"
+  sync_http:
+    dependency: transitive
+    description:
+      name: sync_http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.1"
   term_glyph:
     dependency: transitive
     description:
@@ -489,14 +504,14 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.14"
+    version: "0.4.12"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.1"
   url_launcher:
     dependency: transitive
     description:
@@ -573,14 +588,28 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.3"
+    version: "2.1.2"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "9.0.0"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  webdriver:
+    dependency: transitive
+    description:
+      name: webdriver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
   win32:
     dependency: transitive
     description:

client/pubspec.yaml

@@ -34,6 +34,8 @@ dependencies:
     path: ../package/
 
   url_strategy: ^0.2.0
+  integration_test:
+    sdk: flutter
 
 dev_dependencies:
   flutter_test:

package/CHANGELOG.md

@@ -1,3 +1,3 @@
-## 0.0.1
+## 0.1.62
 
 * Initial release of Flet package.

package/README.md

@@ -1,39 +1,18 @@
-<!--
-This README describes the package. If you publish this package to pub.dev,
-this README's contents appear on the landing page for your package.
 
-For information about how to write a good package README, see the guide for
-[writing package pages](https://dart.dev/guides/libraries/writing-package-pages).
+# Flet
 
-For general information about developing packages, see the Dart guide for
-[creating packages](https://dart.dev/guides/libraries/create-library-packages)
-and the Flutter guide for
-[developing packages and plugins](https://flutter.dev/developing-packages).
--->
+Provides an interactive Flutter widget which contents is controlled by a remote Python script running on a web server.
 
-TODO: Put a short description of the package here that helps potential users
-know whether this package might be useful for them.
+Flet provides a very approachable Python library, so developers without prior Flutter experience can easily build parts of your bigger Flutter app or develop their own mobile apps from scratch.
 
-## Features
-
-TODO: List what your package can do. Maybe include images, gifs, or videos.
-
-## Getting started
-
-TODO: List prerequisites and provide or point to information on how to
-start using the package.
+Flet implements Server-Driven UI (SDUI) approach reducing application release cycle.
 
 ## Usage
 
 TODO: Include short and useful examples for package users. Add longer examples
+
 to `/example` folder.
 
 ```dart
 const like = 'sample';
-```
-
-## Additional information
-
-TODO: Tell users more about the package: where to find more information, how to
-contribute to the package, how to file issues, what response they can expect
-from the package authors, and more.
+```