Feature/68 migration to null safety

.github/workflows/dev-workflow.yaml

@@ -52,7 +52,9 @@ jobs:
           ENCRYPTED_GOOGLE_SERVICE_PASSWORD: ${{ secrets.ENCRYPTED_GOOGLE_SERVICE_PASSWORD }}
 
       # Get flutter dependencies.
-      - run: flutter pub get
+      - run: |
+          flutter pub get
+          dart run build_runner build --delete-conflicting-outputs
 
       # Check the format of the code and commit the formatted files.
       - name: Format files in lib and test directories
@@ -174,6 +176,7 @@ jobs:
         if: matrix.target == 'iOS'
         run: |
           flutter pub get
+          dart run build_runner build --delete-conflicting-outputs
           cd ios
           pod update
           flutter clean
@@ -197,7 +200,9 @@ jobs:
           exit 1
 
       # Get dependencies and decrypt needed files.
-      - run: flutter pub get
+      - run: |
+          flutter pub get
+          dart run build_runner build --delete-conflicting-outputs
 
       - name: Decrypt SignETS certificate and Google Services files
         run: |

.github/workflows/master-workflow.yaml

@@ -85,7 +85,9 @@ jobs:
           ENCRYPTED_GOOGLE_SERVICE_PASSWORD: ${{ secrets.ENCRYPTED_GOOGLE_SERVICE_PASSWORD }}
 
       # Get flutter dependencies.
-      - run: flutter pub get
+      - run : |
+          flutter pub get
+          dart run build_runner build --delete-conflicting-outputs
 
       # Check if the code has any errors/warnings
       - name: Analyze code
@@ -176,12 +178,15 @@ jobs:
         if: matrix.target == 'iOS'
         run: |
           flutter pub get
+          dart run build_runner build --delete-conflicting-outputs
           cd ios
           pod install
           flutter clean
 
       # Get dependencies and decrypt needed files.
-      - run: flutter pub get
+      - run: |
+          flutter pub get
+          dart run build_runner build --delete-conflicting-outputs
 
       - name: Decrypt SignETS certificate and Google Services files
         run: |

.github/workflows/release-workflow.yaml

@@ -49,13 +49,16 @@ jobs:
         if: matrix.target == 'iOS'
         run: |
           flutter pub get
+          dart run build_runner build --delete-conflicting-outputs
           cd ios
           pod install
           flutter clean
       - run: flutter doctor -v
 
       # Get dependencies and decrypt needed files.
-      - run: flutter pub get
+      - run: |
+          flutter pub get
+          dart run build_runner build --delete-conflicting-outputs
 
       - name: Decrypt certificates files
         run: |

.gitignore

@@ -18,6 +18,7 @@ app_untranslated_messages.yaml
 
 # Flutter test
 test/**/failures/
+test/mock/**/*.mocks.dart
 
 # Certificates and secrets
 assets/certificates/

README.md

@@ -65,6 +65,11 @@ chmod +x ./env_variables.sh
 flutter pub get
 ```
 
+- To generate the mocks:
+```
+dart run build_runner build
+```
+
 ## Add environment variable for API_KEY
 
 - To add the Google Maps API TOKEN and the GitHub API TOKEN, you need to rename the file `.env.template` into `.env`. In

lib/core/constants/preferences_flags.dart

@@ -1,6 +1,3 @@
-// Flutter imports:
-import 'package:flutter/cupertino.dart';
-
 // Package imports:
 import 'package:enum_to_string/enum_to_string.dart';
 
@@ -62,8 +59,8 @@ class DynamicPreferencesFlag {
   PreferencesFlag groupAssociationFlag;
 
   DynamicPreferencesFlag(
-      {@required this.groupAssociationFlag,
-      @required this.uniqueKey,
+      {required this.groupAssociationFlag,
+      required this.uniqueKey,
       this.separator = "_"});
 
   String get data => groupAssociationFlag.toString() + separator + uniqueKey;

lib/core/constants/widget_helper.dart

@@ -4,7 +4,7 @@ enum WidgetType { progress, grades }
 /// The extension corresponding to WidgetType to get associated constants
 extension WidgetTypeExtension on WidgetType {
   /// ID used by iOS systems to update the corresponding widget
-  String get iOSname {
+  String? get iOSname {
     switch (this) {
       case WidgetType.progress:
         return 'ETSMobile_ProgressWidget';
@@ -22,7 +22,7 @@ extension WidgetTypeExtension on WidgetType {
   ///
   /// Another option would be to use qualifiedAndroidName instead of androidName
   /// (see home_widget's updateWidget method for more info)
-  String get androidName {
+  String? get androidName {
     switch (this) {
       case WidgetType.progress:
         return 'ProgressWidgetProvider';

lib/core/managers/cache_manager.dart

@@ -28,7 +28,7 @@ class CacheManager {
   /// Get from the cache the value associated with [key].
   /// Throw a [CacheException] if the [key] doesn't exist.
   Future<String> get(String key) async {
-    final lib.FileInfo fileInfo = await _cacheManager.getFileFromCache(key);
+    final lib.FileInfo? fileInfo = await _cacheManager.getFileFromCache(key);
 
     if (fileInfo == null) {
       _analyticsService.logEvent(