feat: make saving articles possible when offline (#320)

* chore(deps): bump flutter

* refactor: factorize some init steps

* feat: allow offline saving of articles

* refactor: simplify loading screen when saving article

* refactor(ios): move DB to the app group container

* POC Flutter <-> Swift interop

* link a Flutter Framework for the extension

* hide the navigation bar

* keep share/Frameworks in git

* try to not embedded the Framework for the extension

* remove some unused files

* remove more unused files

* refactor(iOS): save article using the RemoteSyncer (offline support!)

Fixes: #310 #312

.flutter-version

@@ -1 +1 @@
-3.27.0
+3.27.1

ios/.gitignore

@@ -27,6 +27,8 @@ Flutter/flutter_export_environment.sh
 ServiceDefinitions.json
 Runner/GeneratedPluginRegistrant.*
 
+share/Frameworks/Flutter.xcframework
+
 # Exceptions to above rules.
 !default.mode1v3
 !default.mode2v3

ios/Podfile

@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-# platform :ios, '12.0'
+platform :ios, '12.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
@@ -32,13 +32,26 @@ target 'Runner' do
   use_modular_headers!
 
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
-  target 'RunnerTests' do
-    inherit! :search_paths
-  end
+end
+
+target 'share' do
+  use_frameworks!
+
+  pod 'device_info_plus', :path => '.symlinks/plugins/device_info_plus/ios'
+  pod 'package_info_plus', :path => '.symlinks/plugins/package_info_plus/ios'
+  pod 'path_provider_foundation', :path => '.symlinks/plugins/path_provider_foundation/darwin'
+  pod 'shared_preference_app_group', :path => '.symlinks/plugins/shared_preference_app_group/ios'
+  pod 'shared_preferences_foundation', :path => '.symlinks/plugins/shared_preferences_foundation/darwin'
 end
 
 post_install do |installer|
   installer.pods_project.targets.each do |target|
     flutter_additional_ios_build_settings(target)
   end
 end
+
+flutter_ext_path = File.expand_path(File.join('bin', 'cache', 'artifacts', 'engine', 'ios-release', 'extension_safe', 'Flutter.xcframework'), flutter_root)
+flutter_ext_symlink = File.join('share', 'Frameworks', 'Flutter.xcframework')
+if !File.exist?(flutter_ext_symlink)
+  FileUtils.ln_s(flutter_ext_path, flutter_ext_symlink)
+end

ios/Podfile.lock

@@ -102,6 +102,6 @@ SPEC CHECKSUMS:
   sqlite3_flutter_libs: 5235ce0546528db87927a3ef1baff8b7d5107f0e
   url_launcher_ios: 694010445543906933d732453a59da0a173ae33d
 
-PODFILE CHECKSUM: 819463e6a0290f5a72f145ba7cde16e8b6ef0796
+PODFILE CHECKSUM: 5c0af5843f83b930cc6312bb7e01426808ecb246
 
 COCOAPODS: 1.16.2