translation: Added some missing strings + devided strings into sections

packages/smooth_app/lib/pages/page_manager.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:smooth_app/widgets/tab_navigator.dart';
 
 enum BottomNavigationTab {
@@ -48,6 +49,7 @@ class PageManagerState extends State<PageManager> {
 
   @override
   Widget build(BuildContext context) {
+    final AppLocalizations appLocalizations = AppLocalizations.of(context)!;
     return WillPopScope(
       onWillPop: () async {
         final bool isFirstRouteInCurrentTab =
@@ -76,19 +78,18 @@ class PageManagerState extends State<PageManager> {
             _selectTab(_pageKeys[index], index);
           },
           currentIndex: _currentPage.index,
-          items: const <BottomNavigationBarItem>[
-            // TODO(M123): Translate
+          items: <BottomNavigationBarItem>[
             BottomNavigationBarItem(
-              icon: Icon(Icons.account_circle),
-              label: 'Profile',
+              icon: const Icon(Icons.account_circle),
+              label: appLocalizations.profile_navbar_label,
             ),
             BottomNavigationBarItem(
-              icon: Icon(Icons.search),
-              label: 'Scan or Search',
+              icon: const Icon(Icons.search),
+              label: appLocalizations.scan_navbar_label,
             ),
             BottomNavigationBarItem(
-              icon: Icon(Icons.history),
-              label: 'History',
+              icon: const Icon(Icons.history),
+              label: appLocalizations.history_navbar_label,
             ),
           ],
         ),

packages/smooth_app/lib/pages/product/common/product_list_dialog_helper.dart

@@ -27,8 +27,7 @@ class ProductListDialogHelper {
         context: context,
         builder: (BuildContext context) => SmoothAlertDialog(
           close: false,
-          body: const Text(
-              'Do you really want to clear this list?'), // TODO(monsieurtanuki): translate
+          body: Text(AppLocalizations.of(context)!.really_clear),
           actions: <SmoothSimpleButton>[
             SmoothSimpleButton(
               text: AppLocalizations.of(context)!.no,

packages/smooth_app/lib/pages/product/common/product_list_page.dart

@@ -67,9 +67,9 @@ class _ProductListPageState extends State<ProductListPage> {
                 PopupMenuButton<String>(
                   itemBuilder: (final BuildContext context) =>
                       <PopupMenuEntry<String>>[
-                    const PopupMenuItem<String>(
+                    PopupMenuItem<String>(
                       value: 'clear',
-                      child: Text('Clear'), // TODO(monsieurtanuki): translate
+                      child: Text(appLocalizations.clear),
                       enabled: true,
                     ),
                   ],

packages/smooth_app/lib/pages/product/common/product_query_page.dart

@@ -318,7 +318,7 @@ class _ProductQueryPageState extends State<ProductQueryPage> {
         ProductQueryPageHelper.getDurationStringFromTimestamp(
             _lastUpdate!, context);
     final String message =
-        '${AppLocalizations.of(context)!.chached_results_from} $lastTime';
+        '${AppLocalizations.of(context)!.cached_results_from} $lastTime';
     _lastUpdate = null;
 
     Future<void>.delayed(

packages/smooth_app/lib/pages/product/summary_card.dart

@@ -99,9 +99,8 @@ class _SummaryCardState extends State<SummaryCard> {
                     BorderRadius.vertical(bottom: SmoothCard.CIRCULAR_RADIUS),
               ),
               child: Center(
-                // TODO(jasmeet): Internationalize
                 child: Text(
-                  'Tap to see more info...',
+                  AppLocalizations.of(context)!.tab_for_more,
                   style: Theme.of(context)
                       .textTheme
                       .bodyText1!

packages/smooth_app/lib/pages/scan/continuous_scan_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:provider/provider.dart';
 import 'package:qr_code_scanner/qr_code_scanner.dart';
@@ -123,6 +124,7 @@ class _ContinuousScanPageState extends State<ContinuousScanPage> {
   }
 
   Widget _buildButtonsRow(BuildContext context, ContinuousScanModel model) {
+    final AppLocalizations appLocalizations = AppLocalizations.of(context)!;
     final ButtonStyle buttonStyle = ButtonStyle(
       shape: MaterialStateProperty.all<RoundedRectangleBorder>(
         RoundedRectangleBorder(
@@ -143,15 +145,17 @@ class _ContinuousScanPageState extends State<ContinuousScanPage> {
               style: buttonStyle,
               icon: const Icon(Icons.cancel_outlined),
               onPressed: model.clearScanSession,
-              // TODO(jasmeet): Internationalize
-              label: const Text('Clear'),
+              label: Text(appLocalizations.clear),
             ),
             ElevatedButton.icon(
               style: buttonStyle,
               icon: const Icon(Icons.emoji_events_outlined),
               onPressed: () => _openPersonalizedRankingPage(context),
-              // TODO(jasmeet): Internationalize
-              label: Text('Compare ${model.getBarcodes().length} Products'),
+              label: Text(
+                appLocalizations.plural_compare_x_products(
+                  model.getBarcodes().length,
+                ),
+              ),
             ),
           ],
         ),

packages/smooth_app/lib/pages/settings_page.dart

@@ -88,9 +88,9 @@ class ProfilePage extends StatelessWidget {
                 'https://slack.openfoodfacts.org/', false),
           ),
 
-          //About
+          //About this app
           SmoothListTile(
-            text: appLocalizations.about,
+            text: appLocalizations.about_this_app,
             onPressed: () async {
               final PackageInfo packageInfo = await PackageInfo.fromPlatform();
               showDialog<void>(

packages/smooth_app/lib/pages/user_management/login_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:openfoodfacts/openfoodfacts.dart';
 import 'package:provider/provider.dart';
 import 'package:smooth_app/helpers/user_management_helper.dart';
@@ -8,7 +9,6 @@ import 'package:smooth_ui_library/widgets/smooth_text_form_field.dart';
 
 // TODO(M123-dev): Autofill support
 // TODO(M123-dev): Handle colors better
-// TODO(M123-dev): internationalize everything
 // TODO(M123-dev): Better validation
 
 class LoginPage extends StatefulWidget {
@@ -69,6 +69,7 @@ class _LoginPageState extends State<LoginPage> {
   Widget build(BuildContext context) {
     final ThemeData theme = Theme.of(context);
     final ThemeProvider themeProvider = context.watch<ThemeProvider>();
+    final AppLocalizations appLocalizations = AppLocalizations.of(context)!;
     final Size size = MediaQuery.of(context).size;
 
     // Needs to be changed
@@ -97,7 +98,7 @@ class _LoginPageState extends State<LoginPage> {
                 const Spacer(flex: 4),
 
                 Text(
-                  'Sign in to your Open Food Facts account to save your contributions ',
+                  appLocalizations.sign_in_text,
                   textAlign: TextAlign.center,
                   style: theme.textTheme.headline1?.copyWith(
                     fontSize: 20.0,
@@ -108,13 +109,13 @@ class _LoginPageState extends State<LoginPage> {
 
                 const Spacer(flex: 8),
 
-                if (_wrongCredentials) ...const <Widget>[
+                if (_wrongCredentials) ...<Widget>[
                   SmoothCard(
-                    padding: EdgeInsets.all(10.0),
+                    padding: const EdgeInsets.all(10.0),
                     color: Colors.red,
-                    child: Text('Incorrect user name or password.'),
+                    child: Text(appLocalizations.incorrect_credentials),
                   ),
-                  Spacer(
+                  const Spacer(
                     flex: 1,
                   )
                 ],
@@ -123,15 +124,15 @@ class _LoginPageState extends State<LoginPage> {
                 SmoothTextFormField(
                   type: TextFieldTypes.PLAIN_TEXT,
                   controller: userIdController,
-                  hintText: 'Login',
+                  hintText: appLocalizations.login,
                   textColor: customGrey,
                   backgroundColor: textFieldBackgroundColor,
                   prefixIcon: const Icon(Icons.person),
                   enabled: !_runningQuery,
                   textInputAction: TextInputAction.next, // Moves focus to next.
                   validator: (String? value) {
                     if (value == null || value.isEmpty) {
-                      return 'Please enter some text';
+                      return appLocalizations.enter_some_text;
                     }
                     return null;
                   },
@@ -143,15 +144,15 @@ class _LoginPageState extends State<LoginPage> {
                 SmoothTextFormField(
                   type: TextFieldTypes.PASSWORD,
                   controller: passwordController,
-                  hintText: 'Password',
+                  hintText: appLocalizations.password,
                   textColor: customGrey,
                   backgroundColor: textFieldBackgroundColor,
                   prefixIcon: const Icon(Icons.vpn_key),
                   enabled: !_runningQuery,
                   textInputAction: TextInputAction.done, // Hides the keyboard
                   validator: (String? value) {
                     if (value == null || value.isEmpty) {
-                      return 'Please enter some text';
+                      return appLocalizations.enter_some_text;
                     }
                     return null;
                   },
@@ -163,7 +164,7 @@ class _LoginPageState extends State<LoginPage> {
                 ElevatedButton(
                   onPressed: () => _login(context),
                   child: Text(
-                    'Sign in',
+                    appLocalizations.sign_in,
                     style: theme.textTheme.bodyText2?.copyWith(
                       fontSize: 18.0,
                       color: theme.colorScheme.onSurface,
@@ -184,13 +185,13 @@ class _LoginPageState extends State<LoginPage> {
                 //Forgot password
                 TextButton(
                   onPressed: () {
-                    const SnackBar snackBar = SnackBar(
-                      content: Text('Not implemented yet'),
+                    final SnackBar snackBar = SnackBar(
+                      content: Text(appLocalizations.featureInProgress),
                     );
                     ScaffoldMessenger.of(context).showSnackBar(snackBar);
                   },
                   child: Text(
-                    'Forgot password',
+                    appLocalizations.forgot_password,
                     style: theme.textTheme.bodyText2?.copyWith(
                       fontSize: 18.0,
                       color: theme.colorScheme.primary,
@@ -205,8 +206,8 @@ class _LoginPageState extends State<LoginPage> {
                   height: size.height * 0.06,
                   child: OutlinedButton(
                     onPressed: () {
-                      const SnackBar snackBar = SnackBar(
-                        content: Text('Not implemented yet'),
+                      final SnackBar snackBar = SnackBar(
+                        content: Text(appLocalizations.featureInProgress),
                       );
                       ScaffoldMessenger.of(context).showSnackBar(snackBar);
                     },

packages/smooth_app/lib/views/bottom_sheet_views/user_contribution_view.dart

@@ -47,7 +47,7 @@ class UserContributionView extends StatelessWidget {
                           //Develop
                           SmoothListTile(
                             text: AppLocalizations.of(context)!
-                                .contribute_develop,
+                                .contribute_sw_development,
                             onPressed: () => _develop(context),
                           ),
 
@@ -131,7 +131,7 @@ class UserContributionView extends StatelessWidget {
       context: context,
       builder: (BuildContext context) {
         return SmoothAlertDialog(
-          title: AppLocalizations.of(context)!.contribute_develop,
+          title: AppLocalizations.of(context)!.contribute_sw_development,
           body: Column(
             children: <Widget>[
               Text(