upgraded flutter to stable v2.0.1 + packages upgrade

2021-03-09 19:35:33 +09:00 · 2021-03-09 19:35:33 +09:00 · abd76511fc
commit abd76511fc
parent a06013bbf7
35 changed files with 213 additions and 214 deletions
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@ -15,7 +15,7 @@ jobs:
      - uses: subosito/flutter-action@v1
        with:
          channel: stable
-          flutter-version: '1.22.6'
+          flutter-version: '2.0.1'

      - name: Clone the repository.
        uses: actions/checkout@v2
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@ -17,7 +17,7 @@ jobs:
      - uses: subosito/flutter-action@v1
        with:
          channel: stable
-          flutter-version: '1.22.6'
+          flutter-version: '2.0.1'

      # Workaround for this Android Gradle Plugin issue (supposedly fixed in AGP 4.1):
      # https://issuetracker.google.com/issues/144111441
@ -50,8 +50,8 @@ jobs:
          echo "${{ secrets.KEY_JKS }}" > release.keystore.asc
          gpg -d --passphrase "${{ secrets.KEY_JKS_PASSPHRASE }}" --batch release.keystore.asc > $AVES_STORE_FILE
          rm release.keystore.asc
-          flutter build apk --bundle-sksl-path shaders_1.22.6.sksl.json
-          flutter build appbundle --bundle-sksl-path shaders_1.22.6.sksl.json
+          flutter build apk --bundle-sksl-path shaders_2.0.1.sksl.json
+          flutter build appbundle --bundle-sksl-path shaders_2.0.1.sksl.json
          rm $AVES_STORE_FILE
        env:
          AVES_STORE_FILE: ${{ github.workspace }}/key.jks
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -2,6 +2,12 @@
 All notable changes to this project will be documented in this file.

 ## [Unreleased]
+### Added
+- Korean translation
+
+### Changed
+- Upgraded Flutter to stable v2.0.1
+
 ### Fixed
 - various TIFF decoding fixes

--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@ -104,7 +104,7 @@ repositories {

 dependencies {
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9'
-    implementation 'androidx.core:core-ktx:1.5.0-beta01' // v1.5.0-alpha02+ for ShortcutManagerCompat.setDynamicShortcuts
+    implementation 'androidx.core:core-ktx:1.5.0-beta02' // v1.5.0-alpha02+ for ShortcutManagerCompat.setDynamicShortcuts
    implementation 'androidx.exifinterface:exifinterface:1.3.2'
    implementation 'com.commonsware.cwac:document:0.4.1'
    implementation 'com.drewnoakes:metadata-extractor:2.15.0'
--- a/android/build.gradle
+++ b/android/build.gradle
@ -8,11 +8,10 @@ buildscript {
        jcenter()
    }
    dependencies {
-        // TODO TLAD upgrade AGP to 4+ when this lands on stable: https://github.com/flutter/flutter/commit/8dd0de7f580972079f610a56a689b0a9c414f81e
-        classpath 'com.android.tools.build:gradle:3.6.4'
+        classpath 'com.android.tools.build:gradle:4.1.2'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'com.google.gms:google-services:4.3.5'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.5.0'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.5.1'
    }
 }

--- a/android/gradle.properties
+++ b/android/gradle.properties
@ -15,4 +15,3 @@ android.useAndroidX=true
 android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
-android.enableR8=true
--- a/lib/image_providers/uri_picture_provider.dart
+++ b/lib/image_providers/uri_picture_provider.dart
@ -8,13 +8,12 @@ class UriPicture extends PictureProvider<UriPicture> {
  const UriPicture({
    @required this.uri,
    @required this.mimeType,
-    this.colorFilter,
-  }) : assert(uri != null);
+    ColorFilter colorFilter,
+  })  : assert(uri != null),
+        super(colorFilter);

  final String uri, mimeType;

-  final ColorFilter colorFilter;
-
  @override
  Future<UriPicture> obtainKey(PictureConfiguration configuration) {
    return SynchronousFuture<UriPicture>(this);
--- a/lib/model/entry.dart
+++ b/lib/model/entry.dart
@ -625,7 +625,7 @@ class AvesEntry {
  }

  // when the entry image itself changed (e.g. after rotation)
-  void _onImageChanged(int oldDateModifiedSecs, int oldRotationDegrees, bool oldIsFlipped) async {
+  Future<void> _onImageChanged(int oldDateModifiedSecs, int oldRotationDegrees, bool oldIsFlipped) async {
    if (oldDateModifiedSecs != dateModifiedSecs || oldRotationDegrees != rotationDegrees || oldIsFlipped != isFlipped) {
      await EntryCache.evict(uri, mimeType, oldDateModifiedSecs, oldRotationDegrees, oldIsFlipped);
      imageChangeNotifier.notifyListeners();
--- a/lib/model/filters/album.dart
+++ b/lib/model/filters/album.dart
@ -76,6 +76,7 @@ class AlbumFilter extends CollectionFilter {
  @override
  String get category => type;

+  // key `album-{path}` is expected by test driver
  @override
  String get key => '$type-$album';

--- a/lib/model/source/collection_source.dart
+++ b/lib/model/source/collection_source.dart
@ -142,7 +142,7 @@ abstract class CollectionSource with SourceBase, AlbumMixin, LocationMixin, TagM
    }
  }

-  void updateAfterMove({
+  Future<void> updateAfterMove({
    @required Set<AvesEntry> todoEntries,
    @required Set<AvesEntry> favouriteEntries,
    @required bool copy,
--- a/lib/widgets/collection/app_bar.dart
+++ b/lib/widgets/collection/app_bar.dart
@ -141,10 +141,7 @@ class _CollectionAppBarState extends State<CollectionAppBar> with SingleTickerPr

  Widget _buildAppBarTitle() {
    if (collection.isBrowsing) {
-      Widget title = Text(
-        AvesApp.mode == AppMode.pick ? context.l10n.collectionPickPageTitle : context.l10n.collectionPageTitle,
-        key: Key('appbar-title'),
-      );
+      Widget title = Text(AvesApp.mode == AppMode.pick ? context.l10n.collectionPickPageTitle : context.l10n.collectionPageTitle);
      if (AvesApp.mode == AppMode.main) {
        title = SourceStateAwareAppBarTitle(
          title: title,
--- a/lib/widgets/collection/thumbnail_collection.dart
+++ b/lib/widgets/collection/thumbnail_collection.dart
@ -221,8 +221,8 @@ class _CollectionScrollViewState extends State<CollectionScrollView> {
        appBar,
        collection.isEmpty
            ? SliverFillRemaining(
-                child: _buildEmptyCollectionPlaceholder(collection),
                hasScrollBody: false,
+                child: _buildEmptyCollectionPlaceholder(collection),
              )
            : SectionedListSliver<AvesEntry>(),
        BottomPaddingSliver(),
--- a/lib/widgets/common/basic/draggable_scrollbar.dart
+++ b/lib/widgets/common/basic/draggable_scrollbar.dart
@ -88,8 +88,8 @@ class DraggableScrollbar extends StatefulWidget {
            children: [
              ScrollLabel(
                animation: labelAnimation,
-                child: labelText,
                backgroundColor: backgroundColor,
+                child: labelText,
              ),
              scrollThumb,
            ],
--- a/lib/widgets/common/fx/sweeper.dart
+++ b/lib/widgets/common/fx/sweeper.dart
@ -3,6 +3,7 @@ import 'dart:math';
 import 'package:aves/theme/durations.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
+import 'package:pedantic/pedantic.dart';

 class Sweeper extends StatefulWidget {
  final WidgetBuilder builder;
@ -89,11 +90,11 @@ class _SweeperState extends State<Sweeper> with SingleTickerProviderStateMixin {
            valueListenable: _angleAnimationController,
            builder: (context, value, child) {
              return ClipPath(
-                child: widget.builder(context),
                clipper: _SweepClipPath(
                  startAngle: _angle.value,
                  sweepAngle: widget.sweepAngle,
                ),
+                child: widget.builder(context),
              );
            }),
      ),
@ -115,7 +116,7 @@ class _SweeperState extends State<Sweeper> with SingleTickerProviderStateMixin {
      _isAppearing = false;
      if (mounted) {
        _angleAnimationController.reset();
-        _angleAnimationController.forward();
+        unawaited(_angleAnimationController.forward());
      }
    }
    if (mounted) {
--- a/lib/widgets/common/identity/aves_filter_chip.dart
+++ b/lib/widgets/common/identity/aves_filter_chip.dart
@ -66,7 +66,6 @@ class AvesFilterChip extends StatefulWidget {

      final RenderBox overlay = Overlay.of(context).context.findRenderObject();
      final touchArea = Size(40, 40);
-      // TODO TLAD check menu is within safe area, when this lands on stable: https://github.com/flutter/flutter/commit/cfc8ec23b633da1001359e384435e8333c9d3733
      final selectedAction = await showMenu<ChipAction>(
        context: context,
        position: RelativeRect.fromRect(tapPosition & touchArea, Offset.zero & overlay.size),
--- a/lib/widgets/common/identity/scroll_thumb.dart
+++ b/lib/widgets/common/identity/scroll_thumb.dart
@ -18,6 +18,7 @@ ScrollThumbBuilder avesScrollThumbBuilder({
    margin: EdgeInsets.only(right: .5),
    padding: EdgeInsets.all(2),
    child: ClipPath(
+      clipper: ArrowClipper(),
      child: Container(
        width: 20.0,
        decoration: BoxDecoration(
@ -25,7 +26,6 @@ ScrollThumbBuilder avesScrollThumbBuilder({
          borderRadius: BorderRadius.circular(12.0),
        ),
      ),
-      clipper: ArrowClipper(),
    ),
  );
  return (backgroundColor, thumbAnimation, labelAnimation, height, {labelText}) {
--- a/lib/widgets/common/magnifier/core/core.dart
+++ b/lib/widgets/common/magnifier/core/core.dart
@ -264,13 +264,13 @@ class _MagnifierCoreState extends State<MagnifierCore> with TickerProviderStateM
          );

          return MagnifierGestureDetector(
-            child: child,
            onDoubleTap: onDoubleTap,
            onScaleStart: onScaleStart,
            onScaleUpdate: onScaleUpdate,
            onScaleEnd: onScaleEnd,
            hitDetector: this,
            onTapUp: widget.onTap == null ? null : onTap,
+            child: child,
          );
        });
  }
--- a/lib/widgets/common/magnifier/core/gesture_detector.dart
+++ b/lib/widgets/common/magnifier/core/gesture_detector.dart
@ -86,9 +86,9 @@ class _MagnifierGestureDetectorState extends State<MagnifierGestureDetector> {
    );

    return RawGestureDetector(
-      child: widget.child,
      gestures: gestures,
      behavior: widget.behavior ?? HitTestBehavior.translucent,
+      child: widget.child,
    );
  }
 }
--- a/lib/widgets/common/magnifier/magnifier.dart
+++ b/lib/widgets/common/magnifier/magnifier.dart
@ -71,11 +71,11 @@ class Magnifier extends StatelessWidget {
        ));

        return MagnifierCore(
-          child: child,
          controller: controller,
          scaleStateCycle: scaleStateCycle,
          onTap: onTap,
          applyScale: applyScale,
+          child: child,
        );
      },
    );
--- a/lib/widgets/filter_grids/common/decorated_filter_chip.dart
+++ b/lib/widgets/filter_grids/common/decorated_filter_chip.dart
@ -134,13 +134,13 @@ class DecoratedFilterChip extends StatelessWidget {
        if (pinned)
          AnimatedPadding(
            padding: EdgeInsets.only(right: padding),
+            duration: Durations.chipDecorationAnimation,
            child: DecoratedIcon(
              AIcons.pin,
              color: FilterGridPage.detailColor,
              shadows: [Constants.embossShadow],
              size: iconSize,
            ),
-            duration: Durations.chipDecorationAnimation,
          ),
        if (filter is AlbumFilter && androidFileUtils.isOnRemovableStorage(filter.album))
          AnimatedPadding(
--- a/lib/widgets/filter_grids/common/filter_grid_page.dart
+++ b/lib/widgets/filter_grids/common/filter_grid_page.dart
@ -292,6 +292,7 @@ class _SectionedContentState<T extends CollectionFilter> extends State<_Sectione
    Widget content;
    if (empty) {
      content = SliverFillRemaining(
+        hasScrollBody: false,
        child: Selector<MediaQueryData, double>(
          selector: (context, mq) => mq.effectiveBottomPadding,
          builder: (context, mqPaddingBottom, child) {
@ -301,7 +302,6 @@ class _SectionedContentState<T extends CollectionFilter> extends State<_Sectione
            );
          },
        ),
-        hasScrollBody: false,
      );
    } else {
      content = SectionedListSliver<FilterGridItem<T>>();
--- a/lib/widgets/filter_grids/common/filter_nav_page.dart
+++ b/lib/widgets/filter_grids/common/filter_nav_page.dart
@ -87,7 +87,6 @@ class FilterNavigationPage<T extends CollectionFilter> extends StatelessWidget {
  void _showMenu(BuildContext context, T filter, Offset tapPosition) async {
    final RenderBox overlay = Overlay.of(context).context.findRenderObject();
    final touchArea = Size(40, 40);
-    // TODO TLAD check menu is within safe area, when this lands on stable: https://github.com/flutter/flutter/commit/cfc8ec23b633da1001359e384435e8333c9d3733
    final selectedAction = await showMenu<ChipAction>(
      context: context,
      position: RelativeRect.fromRect(tapPosition & touchArea, Offset.zero & overlay.size),
--- a/lib/widgets/search/expandable_filter_row.dart
+++ b/lib/widgets/search/expandable_filter_row.dart
@ -90,13 +90,13 @@ class ExpandableFilterRow extends StatelessWidget {
              titleRow,
              AnimatedSwitcher(
                duration: Durations.filterRowExpandAnimation,
-                child: filterChips,
                layoutBuilder: (currentChild, previousChildren) => Stack(
                  children: [
                    ...previousChildren,
                    if (currentChild != null) currentChild,
                  ],
                ),
+                child: filterChips,
              ),
            ],
          )
@ -105,7 +105,7 @@ class ExpandableFilterRow extends StatelessWidget {

  Widget _buildFilterChip(CollectionFilter filter) {
    return AvesFilterChip(
-      // key `album-...` is expected by test driver
+      // key `album-{path}` is expected by test driver
      key: Key(filter.key),
      filter: filter,
      heroType: heroTypeBuilder?.call(filter) ?? HeroType.onTap,
--- a/lib/widgets/viewer/entry_viewer_stack.dart
+++ b/lib/widgets/viewer/entry_viewer_stack.dart
@ -171,41 +171,40 @@ class _EntryViewerStackState extends State<EntryViewerStack> with SingleTickerPr
        return SynchronousFuture(false);
      },
      child: ValueListenableProvider<HeroInfo>.value(
-          value: _heroInfoNotifier,
-          builder: (context, snapshot) {
-            return NotificationListener(
-              onNotification: (notification) {
-                if (notification is FilterNotification) {
-                  _goToCollection(notification.filter);
-                } else if (notification is ViewStateNotification) {
-                  _updateViewState(notification.uri, notification.viewState);
-                } else if (notification is EntryDeletedNotification) {
-                  _onEntryDeleted(context, notification.entry);
-                }
-                return false;
-              },
-              child: Stack(
-                children: [
-                  ViewerVerticalPageView(
-                    collection: collection,
-                    entryNotifier: _entryNotifier,
-                    videoControllers: _videoControllers,
-                    multiPageControllers: _multiPageControllers,
-                    verticalPager: _verticalPager,
-                    horizontalPager: _horizontalPager,
-                    onVerticalPageChanged: _onVerticalPageChanged,
-                    onHorizontalPageChanged: _onHorizontalPageChanged,
-                    onImageTap: () => _overlayVisible.value = !_overlayVisible.value,
-                    onImagePageRequested: () => _goToVerticalPage(imagePage),
-                    onViewDisposed: (uri) => _updateViewState(uri, null),
-                  ),
-                  _buildTopOverlay(),
-                  _buildBottomOverlay(),
-                  BottomGestureAreaProtector(),
-                ],
+        value: _heroInfoNotifier,
+        child: NotificationListener(
+          onNotification: (notification) {
+            if (notification is FilterNotification) {
+              _goToCollection(notification.filter);
+            } else if (notification is ViewStateNotification) {
+              _updateViewState(notification.uri, notification.viewState);
+            } else if (notification is EntryDeletedNotification) {
+              _onEntryDeleted(context, notification.entry);
+            }
+            return false;
+          },
+          child: Stack(
+            children: [
+              ViewerVerticalPageView(
+                collection: collection,
+                entryNotifier: _entryNotifier,
+                videoControllers: _videoControllers,
+                multiPageControllers: _multiPageControllers,
+                verticalPager: _verticalPager,
+                horizontalPager: _horizontalPager,
+                onVerticalPageChanged: _onVerticalPageChanged,
+                onHorizontalPageChanged: _onHorizontalPageChanged,
+                onImageTap: () => _overlayVisible.value = !_overlayVisible.value,
+                onImagePageRequested: () => _goToVerticalPage(imagePage),
+                onViewDisposed: (uri) => _updateViewState(uri, null),
              ),
-            );
-          }),
+              _buildTopOverlay(),
+              _buildBottomOverlay(),
+              BottomGestureAreaProtector(),
+            ],
+          ),
+        ),
+      ),
    );
  }

@ -315,9 +314,7 @@ class _EntryViewerStackState extends State<EntryViewerStack> with SingleTickerPr
        return AnimatedBuilder(
          animation: _verticalScrollNotifier,
          builder: (context, child) => Positioned(
-            // TODO TLAD replace when using Flutter version adapted for null safety
-            // bottom: (_verticalPager.position.hasPixels ? _verticalPager.offset : 0) - mqHeight,
-            bottom: (_verticalPager.offset ?? 0) - mqHeight,
+            bottom: (_verticalPager.position.hasPixels ? _verticalPager.offset : 0) - mqHeight,
            child: child,
          ),
          child: child,
@ -462,7 +459,7 @@ class _EntryViewerStackState extends State<EntryViewerStack> with SingleTickerPr
    if (_overlayVisible.value) {
      _showSystemUI();
      if (animate) {
-        _overlayAnimationController.forward();
+        await _overlayAnimationController.forward();
      } else {
        _overlayAnimationController.value = _overlayAnimationController.upperBound;
      }
--- a/lib/widgets/viewer/info/basic_section.dart
+++ b/lib/widgets/viewer/info/basic_section.dart
@ -186,7 +186,9 @@ class _OwnerPropState extends State<OwnerProp> {
                text: context.l10n.viewerInfoLabelOwner,
                style: InfoRowGroup.keyStyle,
              ),
-              WidgetSpan(
+              // `com.android.shell` is the package reported
+              // for images copied to the device by ADB for Test Driver
+              if (_ownerPackage != 'com.android.shell') WidgetSpan(
                alignment: PlaceholderAlignment.middle,
                child: Padding(
                  padding: EdgeInsets.symmetric(horizontal: 4),
--- a/lib/widgets/viewer/info/maps/leaflet_map.dart
+++ b/lib/widgets/viewer/info/maps/leaflet_map.dart
@ -72,6 +72,7 @@ class _EntryLeafletMapState extends State<EntryLeafletMap> with AutomaticKeepAli
        zoom: widget.initialZoom,
        interactive: false,
      ),
+      mapController: _mapController,
      children: [
        _buildMapLayer(),
        ScaleLayerWidget(
@ -91,7 +92,6 @@ class _EntryLeafletMapState extends State<EntryLeafletMap> with AutomaticKeepAli
          ),
        ),
      ],
-      mapController: _mapController,
    );
  }

--- a/lib/widgets/welcome_page.dart
+++ b/lib/widgets/welcome_page.dart
@ -111,7 +111,6 @@ class _WelcomePageState extends State<WelcomePage> {

    final button = ElevatedButton(
      key: Key('continue-button'),
-      child: Text(context.l10n.continueButtonLabel),
      onPressed: _hasAcceptedTerms
          ? () {
              settings.hasAcceptedTerms = true;
@ -124,6 +123,7 @@ class _WelcomePageState extends State<WelcomePage> {
              );
            }
          : null,
+      child: Text(context.l10n.continueButtonLabel),
    );

    return MediaQuery.of(context).orientation == Orientation.portrait
--- a/pubspec.lock
+++ b/pubspec.lock
@ -7,14 +7,14 @@ packages:
      name: _fe_analyzer_shared
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "12.0.0"
+    version: "14.0.0"
  analyzer:
    dependency: transitive
    description:
      name: analyzer
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.40.6"
+    version: "0.41.2"
  ansicolor:
    dependency: transitive
    description:
@ -42,7 +42,7 @@ packages:
      name: async
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.5.0-nullsafety.1"
+    version: "2.5.0"
  barcode:
    dependency: transitive
    description:
@ -56,21 +56,21 @@ packages:
      name: boolean_selector
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.1.0-nullsafety.1"
+    version: "2.1.0"
  characters:
    dependency: transitive
    description:
      name: characters
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.1.0-nullsafety.3"
+    version: "1.1.0"
  charcode:
    dependency: transitive
    description:
      name: charcode
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
  charts_common:
    dependency: transitive
    description:
@ -91,49 +91,42 @@ packages:
      name: cli_util
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.2.0"
+    version: "0.3.0"
  clock:
    dependency: transitive
    description:
      name: clock
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.1.0-nullsafety.1"
+    version: "1.1.0"
  collection:
    dependency: "direct main"
    description:
      name: collection
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.15.0-nullsafety.3"
+    version: "1.15.0"
  connectivity:
    dependency: "direct main"
    description:
      name: connectivity
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.0.2"
-  connectivity_for_web:
-    dependency: transitive
-    description:
-      name: connectivity_for_web
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.1+4"
+    version: "3.0.2"
  connectivity_macos:
    dependency: transitive
    description:
      name: connectivity_macos
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.1.0+7"
+    version: "0.2.0"
  connectivity_platform_interface:
    dependency: transitive
    description:
      name: connectivity_platform_interface
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.0.6"
+    version: "2.0.0"
  console_log_handler:
    dependency: transitive
    description:
@ -161,7 +154,7 @@ packages:
      name: coverage
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.14.2"
+    version: "0.15.2"
  crypto:
    dependency: transitive
    description:
@ -182,7 +175,7 @@ packages:
      name: event_bus
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.1.1"
+    version: "2.0.0"
  expansion_tile_card:
    dependency: "direct main"
    description:
@ -198,21 +191,21 @@ packages:
      name: fake_async
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
  ffi:
    dependency: transitive
    description:
      name: ffi
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.1.3"
+    version: "1.0.0"
  file:
    dependency: transitive
    description:
      name: file
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "6.0.0-nullsafety.2"
+    version: "6.0.0"
  firebase:
    dependency: transitive
    description:
@ -233,7 +226,7 @@ packages:
      name: firebase_analytics_platform_interface
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.0.3"
+    version: "1.1.0"
  firebase_analytics_web:
    dependency: transitive
    description:
@ -306,13 +299,13 @@ packages:
      name: flutter_highlight
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.6.0"
+    version: "0.7.0"
  flutter_ijkplayer:
    dependency: "direct main"
    description:
      path: "."
      ref: HEAD
-      resolved-ref: c1b7f25e2a3bc67ab7b30561af49a62ae9a8c409
+      resolved-ref: d4e079404ba8e4f82a7e053ffdc47af787a61c3b
      url: "git://github.com/deckerst/flutter_ijkplayer.git"
    source: git
    version: "0.3.7"
@ -334,7 +327,7 @@ packages:
      name: flutter_localized_locales
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.1.2"
+    version: "2.0.1"
  flutter_map:
    dependency: "direct main"
    description:
@ -355,21 +348,21 @@ packages:
      name: flutter_plugin_android_lifecycle
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.0.11"
+    version: "2.0.0"
  flutter_staggered_animations:
    dependency: "direct main"
    description:
      name: flutter_staggered_animations
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.1.2"
+    version: "1.0.0"
  flutter_svg:
    dependency: "direct main"
    description:
      name: flutter_svg
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.19.1"
+    version: "0.19.3"
  flutter_test:
    dependency: "direct dev"
    description: flutter
@ -405,35 +398,35 @@ packages:
      name: glob
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.2.0"
+    version: "2.0.0"
  google_api_availability:
    dependency: "direct main"
    description:
      name: google_api_availability
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.0.4"
+    version: "3.0.0"
  google_maps_flutter:
    dependency: "direct main"
    description:
      name: google_maps_flutter
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.2.0"
+    version: "2.0.1"
  google_maps_flutter_platform_interface:
    dependency: transitive
    description:
      name: google_maps_flutter_platform_interface
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.2.0"
+    version: "2.0.0"
  highlight:
    dependency: transitive
    description:
      name: highlight
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.6.0"
+    version: "0.7.0"
  http:
    dependency: transitive
    description:
@ -447,7 +440,7 @@ packages:
      name: http_multi_server
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.2.0"
+    version: "3.0.0"
  http_parser:
    dependency: transitive
    description:
@ -468,21 +461,21 @@ packages:
      name: intl
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.16.1"
+    version: "0.17.0"
  io:
    dependency: transitive
    description:
      name: io
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.3.5"
+    version: "1.0.0"
  js:
    dependency: transitive
    description:
      name: js
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.6.3-nullsafety.2"
+    version: "0.6.3"
  json_annotation:
    dependency: transitive
    description:
@ -490,13 +483,6 @@ packages:
      url: "https://pub.dartlang.org"
    source: hosted
    version: "3.1.1"
-  json_rpc_2:
-    dependency: transitive
-    description:
-      name: json_rpc_2
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.2.2"
  latlong:
    dependency: "direct main"
    description:
@ -531,21 +517,21 @@ packages:
      name: matcher
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.12.10-nullsafety.1"
+    version: "0.12.10"
  material_design_icons_flutter:
    dependency: "direct main"
    description:
      name: material_design_icons_flutter
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "4.0.5855"
+    version: "4.0.5955"
  meta:
    dependency: transitive
    description:
      name: meta
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.3.0-nullsafety.3"
+    version: "1.3.0"
  mgrs_dart:
    dependency: transitive
    description:
@ -559,7 +545,7 @@ packages:
      name: mime
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.9.7"
+    version: "1.0.0"
  motion_sensors:
    dependency: transitive
    description:
@ -573,21 +559,7 @@ packages:
      name: nested
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.0.4"
-  node_interop:
-    dependency: transitive
-    description:
-      name: node_interop
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.1"
-  node_io:
-    dependency: transitive
-    description:
-      name: node_io
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.1"
+    version: "1.0.0"
  node_preamble:
    dependency: transitive
    description:
@ -601,7 +573,7 @@ packages:
      name: overlay_support
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.0.5"
+    version: "1.2.0-nullsafety.0"
  package_config:
    dependency: transitive
    description:
@ -615,7 +587,7 @@ packages:
      name: package_info
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.4.3+4"
+    version: "2.0.0"
  palette_generator:
    dependency: "direct main"
    description:
@ -636,7 +608,7 @@ packages:
      name: path
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.8.0-nullsafety.1"
+    version: "1.8.0"
  path_drawing:
    dependency: transitive
    description:
@ -657,21 +629,21 @@ packages:
      name: path_provider_linux
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.0.1+2"
+    version: "2.0.0"
  path_provider_platform_interface:
    dependency: transitive
    description:
      name: path_provider_platform_interface
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.0.4"
+    version: "2.0.0"
  path_provider_windows:
    dependency: transitive
    description:
      name: path_provider_windows
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.0.4+3"
+    version: "2.0.0"
  pdf:
    dependency: "direct main"
    description:
@ -685,7 +657,7 @@ packages:
      name: pedantic
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.10.0-nullsafety.2"
+    version: "1.11.0"
  percent_indicator:
    dependency: "direct main"
    description:
@ -720,7 +692,7 @@ packages:
      name: platform
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "3.0.0-nullsafety.2"
+    version: "3.0.0"
  plugin_platform_interface:
    dependency: transitive
    description:
@ -734,7 +706,7 @@ packages:
      name: pool
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.5.0-nullsafety.2"
+    version: "1.5.0"
  positioned_tap_detector:
    dependency: transitive
    description:
@ -755,7 +727,7 @@ packages:
      name: process
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "4.0.0-nullsafety.2"
+    version: "4.0.0"
  proj4dart:
    dependency: transitive
    description:
@ -769,14 +741,14 @@ packages:
      name: provider
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "4.3.3"
+    version: "5.0.0"
  pub_semver:
    dependency: transitive
    description:
      name: pub_semver
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.4.4"
+    version: "2.0.0"
  qr:
    dependency: transitive
    description:
@ -797,42 +769,42 @@ packages:
      name: shared_preferences
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.5.12+4"
+    version: "2.0.3"
  shared_preferences_linux:
    dependency: transitive
    description:
      name: shared_preferences_linux
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.0.2+4"
+    version: "2.0.0"
  shared_preferences_macos:
    dependency: transitive
    description:
      name: shared_preferences_macos
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.0.1+11"
+    version: "2.0.0"
  shared_preferences_platform_interface:
    dependency: transitive
    description:
      name: shared_preferences_platform_interface
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.0.4"
+    version: "2.0.0"
  shared_preferences_web:
    dependency: transitive
    description:
      name: shared_preferences_web
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.1.2+7"
+    version: "2.0.0"
  shared_preferences_windows:
    dependency: transitive
    description:
      name: shared_preferences_windows
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.0.2+3"
+    version: "2.0.0"
  shelf:
    dependency: transitive
    description:
@ -872,56 +844,56 @@ packages:
      name: source_map_stack_trace
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.1.0-nullsafety.3"
+    version: "2.1.0"
  source_maps:
    dependency: transitive
    description:
      name: source_maps
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.10.10-nullsafety.2"
+    version: "0.10.10"
  source_span:
    dependency: transitive
    description:
      name: source_span
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.8.0-nullsafety.2"
+    version: "1.8.0"
  sqflite:
    dependency: "direct main"
    description:
      name: sqflite
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.3.2+3"
+    version: "2.0.0+2"
  sqflite_common:
    dependency: transitive
    description:
      name: sqflite_common
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.0.3+1"
+    version: "2.0.0+1"
  stack_trace:
    dependency: transitive
    description:
      name: stack_trace
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.10.0-nullsafety.1"
+    version: "1.10.0"
  stream_channel:
    dependency: transitive
    description:
      name: stream_channel
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.1.0-nullsafety.1"
+    version: "2.1.0"
  stream_transform:
    dependency: transitive
    description:
      name: stream_transform
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.2.0"
+    version: "2.0.0"
  streams_channel:
    dependency: "direct main"
    description:
@ -935,7 +907,7 @@ packages:
      name: string_scanner
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.1.0-nullsafety.1"
+    version: "1.1.0"
  sync_http:
    dependency: transitive
    description:
@ -949,35 +921,35 @@ packages:
      name: synchronized
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.2.0+2"
+    version: "3.0.0"
  term_glyph:
    dependency: transitive
    description:
      name: term_glyph
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
  test:
    dependency: "direct dev"
    description:
      name: test
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.16.0-nullsafety.5"
+    version: "1.16.5"
  test_api:
    dependency: transitive
    description:
      name: test_api
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.2.19-nullsafety.2"
+    version: "0.2.19"
  test_core:
    dependency: transitive
    description:
      name: test_core
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.3.12-nullsafety.5"
+    version: "0.3.15"
  transparent_image:
    dependency: transitive
    description:
@ -998,7 +970,7 @@ packages:
      name: typed_data
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.3.0-nullsafety.3"
+    version: "1.3.0"
  unicode:
    dependency: transitive
    description:
@ -1012,42 +984,42 @@ packages:
      name: url_launcher
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "5.7.10"
+    version: "6.0.2"
  url_launcher_linux:
    dependency: transitive
    description:
      name: url_launcher_linux
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.0.1+4"
+    version: "2.0.0"
  url_launcher_macos:
    dependency: transitive
    description:
      name: url_launcher_macos
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.0.1+9"
+    version: "2.0.0"
  url_launcher_platform_interface:
    dependency: transitive
    description:
      name: url_launcher_platform_interface
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.0.9"
+    version: "2.0.1"
  url_launcher_web:
    dependency: transitive
    description:
      name: url_launcher_web
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.1.5+3"
+    version: "2.0.0"
  url_launcher_windows:
    dependency: transitive
    description:
      name: url_launcher_windows
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.0.1+3"
+    version: "2.0.0"
  validate:
    dependency: transitive
    description:
@ -1061,7 +1033,7 @@ packages:
      name: vector_math
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.1.0-nullsafety.3"
+    version: "2.1.0"
  version:
    dependency: "direct main"
    description:
@ -1076,27 +1048,20 @@ packages:
      url: "https://pub.dartlang.org"
    source: hosted
    version: "5.5.0"
-  vm_service_client:
-    dependency: transitive
-    description:
-      name: vm_service_client
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.6+2"
  watcher:
    dependency: transitive
    description:
      name: watcher
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.9.7+15"
+    version: "1.0.0"
  web_socket_channel:
    dependency: transitive
    description:
      name: web_socket_channel
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
  webdriver:
    dependency: transitive
    description:
@ -1117,7 +1082,7 @@ packages:
      name: win32
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "1.7.4+1"
+    version: "2.0.0"
  wkt_parser:
    dependency: transitive
    description:
@ -1131,7 +1096,7 @@ packages:
      name: xdg_directories
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.1.2"
+    version: "0.2.0"
  xml:
    dependency: "direct main"
    description:
@ -1145,7 +1110,7 @@ packages:
      name: yaml
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "2.2.1"
+    version: "3.1.0"
 sdks:
-  dart: ">=2.10.2 <2.11.0"
-  flutter: ">=1.22.2 <2.0.0"
+  dart: ">=2.12.0 <3.0.0"
+  flutter: ">=1.24.0-10.1.pre"
--- a/pubspec.yaml
+++ b/pubspec.yaml
@ -4,18 +4,21 @@ repository: https://github.com/deckerst/aves
 version: 1.3.5+41

 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: '>=2.10.0 <3.0.0'

 dependencies:
  flutter:
    sdk: flutter
  flutter_localizations:
    sdk: flutter
-  charts_flutter: # not null safe, as of 2021/03/09 - https://github.com/google/charts/issues/579
+  # `charts_flutter` not null safe, as of 2021/03/09 - https://github.com/google/charts/issues/579
+  charts_flutter:
  collection:
  connectivity:
-  country_code: # not null safe, as of 2021/03/09 - unmaintained?
-  decorated_icon: # not null safe, as of 2021/03/09 - https://github.com/benPesso/flutter_decorated_icon/issues/2
+  # `country_code` not null safe, as of 2021/03/09 - unmaintained?
+  country_code:
+  # `decorated_icon` not null safe, as of 2021/03/09 - https://github.com/benPesso/flutter_decorated_icon/issues/2
+  decorated_icon:
  event_bus:
  # TODO TLAD merge null safe `expansion_tile_card` to fork
  expansion_tile_card:
@ -26,43 +29,63 @@ dependencies:
  firebase_analytics:
  firebase_crashlytics:
  # TODO TLAD migrate to basic SnackBar or `another_flushbar`
-  flushbar: # not null safe, as of 2021/03/09 - discontinued
+  # `flushbar` not null safe, as of 2021/03/09 - discontinued
+  flushbar:
  flutter_highlight:
-  flutter_ijkplayer: # not null safe, as of 2021/03/09 - unmaintained?
+  # `flutter_ijkplayer` not null safe, as of 2021/03/09 - unmaintained?
+  flutter_ijkplayer:
 #    path: ../flutter_ijkplayer
    git:
      url: git://github.com/deckerst/flutter_ijkplayer.git
  flutter_localized_locales:
-  flutter_map: # not null safe, as of 2021/03/09 - https://github.com/fleaflet/flutter_map/issues/829
+  # `flutter_map` not null safe, as of 2021/03/09 - https://github.com/fleaflet/flutter_map/issues/829
+  flutter_map:
  flutter_markdown:
  flutter_staggered_animations:
  flutter_svg:
  # TODO TLAD migrate to `geocoding` (or reimplement) - https://github.com/Baseflow/flutter-geocoding/issues/37
-  geocoder: # not null safe, as of 2021/03/09 - unmaintained? - https://github.com/aloisdeniel/flutter_geocoder/issues/61
+  # `geocoder` not null safe, as of 2021/03/09 - unmaintained? - https://github.com/aloisdeniel/flutter_geocoder/issues/61
+  geocoder:
  github:
  google_api_availability:
  google_maps_flutter:
  intl:
-  latlong: # not null safe, as of 2021/03/09 - archived - migrate to maps_toolkit? cf https://github.com/fleaflet/flutter_map/pull/750
+  # `latlong` not null safe, as of 2021/03/09 - archived - migrate to maps_toolkit? cf https://github.com/fleaflet/flutter_map/pull/750
+  latlong:
  material_design_icons_flutter:
-  overlay_support:
+  # as of 2021/03/09, stable version 1.0.5 uses deprecated `ancestorWidgetOfExactType`
+  overlay_support: 1.2.0-nullsafety.0
  package_info:
-  palette_generator: # not null safe, as of 2021/03/09 - https://github.com/flutter/packages/pull/287
-  panorama: # not null safe, as of 2021/03/09 - no issue/PR
+  # `palette_generator` not null safe, as of 2021/03/09 - https://github.com/flutter/packages/pull/287
+  palette_generator:
+  # `panorama` not null safe, as of 2021/03/09 - no issue/PR
+  panorama:
  pdf:
  pedantic:
  percent_indicator:
  permission_handler:
-  printing:
+  # TODO TLAD upgrade printing to >=5 when `flutter_driver` dependency upgrade get on the right channel
+  # https://github.com/flutter/flutter/pull/75370
+  # https://github.com/flutter/flutter/blob/master/packages/flutter_driver/pubspec.yaml
+  # otherwise, we get this conundrum:
+  # every version of flutter_driver from sdk depends on crypto 2.1.5
+  # pdf >=3.0.1 depends on crypto ^3.0.0
+  # printing >=5.0.1 depends on pdf ^3.0.1
+  printing: 4.1.0
  provider:
  shared_preferences:
  sqflite:
-  streams_channel: # not null safe, as of 2021/03/09 - unmaintained? - no issue/PR
+  # `streams_channel` not null safe, as of 2021/03/09 - unmaintained? - no issue/PR
+  streams_channel:
  tuple:
  url_launcher:
  version:
  xml:

+dependency_overrides:
+  # because of `charts_flutter`
+  intl: '>=0.17.0'
+
 dev_dependencies:
  flutter_test:
    sdk: flutter
--- a/shaders_1.22.6.sksl.json
+++ b/shaders_1.22.6.sksl.json
--- a/shaders_2.0.1.sksl.json
+++ b/shaders_2.0.1.sksl.json
--- a/test_driver/app.dart
+++ b/test_driver/app.dart
@ -1,3 +1,5 @@
+import 'dart:ui';
+
 import 'package:aves/main.dart' as app;
 import 'package:aves/model/settings/enums.dart';
 import 'package:aves/model/settings/settings.dart';
@ -22,6 +24,7 @@ Future<void> configureAndLaunch() async {
  await settings.init();
  settings.keepScreenOn = KeepScreenOn.always;
  settings.hasAcceptedTerms = false;
+  settings.locale = Locale('en');

  app.main();
 }
--- a/test_driver/app_test.dart
+++ b/test_driver/app_test.dart
@ -58,7 +58,8 @@ void agreeToTerms() {
    await driver.tap(find.byValueKey('continue-button'));
    await driver.waitUntilNoTransientCallbacks();

-    expect(await driver.getText(find.byValueKey('appbar-title')), 'Collection');
+    // wait for collection loading
+    await driver.waitForCondition(NoPendingPlatformMessages());
  });
 }

@ -71,6 +72,7 @@ void visitAbout() {
    await driver.waitUntilNoTransientCallbacks();

    await pressDeviceBackButton();
+    await driver.waitUntilNoTransientCallbacks();
  });
 }

@ -83,6 +85,7 @@ void visitSettings() {
    await driver.waitUntilNoTransientCallbacks();

    await pressDeviceBackButton();
+    await driver.waitUntilNoTransientCallbacks();
  });
 }

@ -95,6 +98,7 @@ void sortCollection() {
    await driver.waitUntilNoTransientCallbacks();

    await driver.tap(find.byValueKey(EntrySortFactor.date.toString()));
+    await driver.waitUntilNoTransientCallbacks();
  });
 }

@ -107,6 +111,7 @@ void groupCollection() {
    await driver.waitUntilNoTransientCallbacks();

    await driver.tap(find.byValueKey(EntryGroupFactor.album.toString()));
+    await driver.waitUntilNoTransientCallbacks();
  });
 }

@ -135,13 +140,15 @@ void searchAlbum() {
    await driver.tap(find.byValueKey('search-button'));
    await driver.waitUntilNoTransientCallbacks();

-    final album = path.split(targetPicturesDir).last;
+    final albumPath = targetPicturesDirEmulated;
+    final albumUniqueName = path.split(albumPath).last;
    await driver.tap(find.byType('TextField'));
-    await driver.enterText(album);
+    await driver.enterText(albumUniqueName);

-    final albumChip = find.byValueKey('album-$album');
+    final albumChip = find.byValueKey('album-$albumPath');
    await driver.waitFor(albumChip);
    await driver.tap(albumChip);
+    await driver.waitUntilNoTransientCallbacks();
  });
 }

@ -210,6 +217,7 @@ void showInfoMetadata() {

    print('* back to image');
    await driver.tap(find.byValueKey('back-button'));
+    await driver.waitUntilNoTransientCallbacks();
  });
 }

--- a/test_driver/constants.dart
+++ b/test_driver/constants.dart
@ -1,2 +1,3 @@
 const sourcePicturesDir = 'test_driver/assets/';
 const targetPicturesDir = '/sdcard/Pictures/Aves Test Driver/';
+const targetPicturesDirEmulated = '/storage/emulated/0/Pictures/Aves Test Driver';
--- a/test_driver/utils/adb_utils.dart
+++ b/test_driver/utils/adb_utils.dart
@ -19,7 +19,7 @@ String get adb {
 const List<String> adbDeviceParam = []; // '[]', '[-d]', '[-e]', or '[-s, <serial_number>]'

 Future<void> runAdb(List<String> args) async {
-  await Process.runSync(adb, [...adbDeviceParam, ...args]);
+  await Process.run(adb, [...adbDeviceParam, ...args]);
 }

 Future<void> createDirectory(String dir) async {