Internationalization (German) of the mobile app. (#246)

* Add i18n framework to mobile app and write simple translation generator

* Replace all texts in login_form with i18n keys

* Localization of sharing section

* Localization of asset viewer section

* Use JSON as base translation format

* Add check for missing/unused translation keys

* Add localizely

* Remove i18n directory in favour of localizely

* Backup Translation

* More translations

* Translate home page

* Translation of search page

* Translate new server version announcement

* Reformat code

* Fix typo in german translation

* Update englisch translations

* Change translation keys to match dart filenames

* Add /api to translated endpoint_urls

* Update localizely.yml

* Add languages to ios plist

* Remove unused keys

* Added script to check outdated key in other translations

* Add download key to localizely.yml

Co-authored-by: Alex <alex.tran1502@gmail.com>

mobile/lib/modules/sharing/ui/album_title_text_field.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/modules/sharing/providers/album_title.provider.dart';
@@ -59,7 +60,7 @@ class AlbumTitleTextField extends ConsumerWidget {
           borderSide: const BorderSide(color: Colors.transparent),
           borderRadius: BorderRadius.circular(10),
         ),
-        hintText: 'Add a title',
+        hintText: 'share_add_title'.tr(),
         focusColor: Colors.grey[300],
         fillColor: Colors.grey[200],
         filled: isAlbumTitleTextFieldFocus.value,

mobile/lib/modules/sharing/ui/album_viewer_appbar.dart

@@ -1,4 +1,5 @@
 import 'package:auto_route/auto_route.dart';
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
@@ -45,7 +46,7 @@ class AlbumViewerAppbar extends HookConsumerWidget with PreferredSizeWidget {
       } else {
         ImmichToast.show(
           context: context,
-          msg: "Failed to delete album",
+          msg: "album_viewer_appbar_share_err_delete".tr(),
           toastType: ToastType.error,
           gravity: ToastGravity.BOTTOM,
         );
@@ -67,7 +68,7 @@ class AlbumViewerAppbar extends HookConsumerWidget with PreferredSizeWidget {
         Navigator.pop(context);
         ImmichToast.show(
           context: context,
-          msg: "Failed to leave album",
+          msg: "album_viewer_appbar_share_err_leave".tr(),
           toastType: ToastType.error,
           gravity: ToastGravity.BOTTOM,
         );
@@ -93,7 +94,7 @@ class AlbumViewerAppbar extends HookConsumerWidget with PreferredSizeWidget {
         Navigator.pop(context);
         ImmichToast.show(
           context: context,
-          msg: "There are problems in removing assets from album",
+          msg: "album_viewer_appbar_share_err_remove".tr(),
           toastType: ToastType.error,
           gravity: ToastGravity.BOTTOM,
         );
@@ -108,9 +109,9 @@ class AlbumViewerAppbar extends HookConsumerWidget with PreferredSizeWidget {
           return ListTile(
             leading: const Icon(Icons.delete_sweep_rounded),
             title: const Text(
-              'Remove from album',
+              'album_viewer_appbar_share_remove',
               style: TextStyle(fontWeight: FontWeight.bold),
-            ),
+            ).tr(),
             onTap: () => _onRemoveFromAlbumPressed(albumId),
           );
         } else {
@@ -121,18 +122,18 @@ class AlbumViewerAppbar extends HookConsumerWidget with PreferredSizeWidget {
           return ListTile(
             leading: const Icon(Icons.delete_forever_rounded),
             title: const Text(
-              'Delete album',
+              'album_viewer_appbar_share_delete',
               style: TextStyle(fontWeight: FontWeight.bold),
-            ),
+            ).tr(),
             onTap: () => _onDeleteAlbumPressed(albumId),
           );
         } else {
           return ListTile(
             leading: const Icon(Icons.person_remove_rounded),
             title: const Text(
-              'Leave album',
+              'album_viewer_appbar_share_leave',
               style: TextStyle(fontWeight: FontWeight.bold),
-            ),
+            ).tr(),
             onTap: () => _onLeaveAlbumPressed(albumId),
           );
         }
@@ -176,7 +177,7 @@ class AlbumViewerAppbar extends HookConsumerWidget with PreferredSizeWidget {
             if (!isSuccess) {
               ImmichToast.show(
                 context: context,
-                msg: "Failed to change album title",
+                msg: "album_viewer_appbar_share_err_title".tr(),
                 gravity: ToastGravity.BOTTOM,
                 toastType: ToastType.error,
               );

mobile/lib/modules/sharing/ui/album_viewer_editable_title.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
@@ -74,7 +75,7 @@ class AlbumViewerEditableTitle extends HookConsumerWidget {
         focusColor: Colors.grey[300],
         fillColor: Colors.grey[200],
         filled: titleFocusNode.hasFocus,
-        hintText: 'Add a title',
+        hintText: 'share_add_title'.tr(),
       ),
     );
   }

mobile/lib/modules/sharing/ui/sharing_sliver_appbar.dart

@@ -1,4 +1,5 @@
 import 'package:auto_route/auto_route.dart';
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:immich_mobile/routing/router.dart';
 
@@ -51,10 +52,10 @@ class SharingSliverAppBar extends StatelessWidget {
                       size: 20,
                     ),
                     label: const Text(
-                      "Create shared album",
+                      "sharing_silver_appbar_create_shared_album",
                       style:
                           TextStyle(fontWeight: FontWeight.bold, fontSize: 12),
-                    ),
+                    ).tr(),
                   ),
                 ),
               ),
@@ -73,10 +74,10 @@ class SharingSliverAppBar extends StatelessWidget {
                       size: 20,
                     ),
                     label: const Text(
-                      "Share with partner",
+                      "sharing_silver_appbar_share_partner",
                       style:
                           TextStyle(fontWeight: FontWeight.bold, fontSize: 12),
-                    ),
+                    ).tr(),
                   ),
                 ),
               )