✨ Create sticker

✨ Single file mode attachment editor and more options

lib/bootstrapper.dart

@@ -141,7 +141,7 @@ class _BootstrapperShellState extends State<BootstrapperShell> {
     try {
       for (var idx = 0; idx < _periods.length; idx++) {
         await _periods[idx].action();
-        if (_isErrored) break;
+        if (_isErrored && !_isDismissable) break;
         if (_periodCursor < _periods.length - 1) {
           setState(() => _periodCursor++);
         }
@@ -179,11 +179,11 @@ class _BootstrapperShellState extends State<BootstrapperShell> {
             GestureDetector(
               child: Column(
                 children: [
-                  if (_isErrored && !_isDismissable)
+                  if (_isErrored && !_isDismissable && !_isBusy)
                     const Icon(Icons.cancel, size: 24),
                   if (_isErrored && _isDismissable)
                     const Icon(Icons.warning, size: 24),
-                  if (!_isErrored && _isBusy)
+                  if ((_isErrored && _isDismissable && _isBusy) || _isBusy)
                     const SizedBox(
                       width: 24,
                       height: 24,

lib/providers/attachment_uploader.dart

@@ -14,6 +14,7 @@ class AttachmentUploadTask {
   double progress = 0;
   bool isUploading = false;
   bool isCompleted = false;
+  dynamic error;
 
   AttachmentUploadTask({
     required this.file,
@@ -66,7 +67,7 @@ class AttachmentUploaderController extends GetxController {
     queueOfUpload.remove(task);
   }
 
-  Future<Attachment> performSingleTask(int queueIndex) async {
+  Future<Attachment?> performSingleTask(int queueIndex) async {
     isUploading.value = true;
     progressOfUpload.value = 0;
 
@@ -83,9 +84,15 @@ class AttachmentUploaderController extends GetxController {
         queueOfUpload[queueIndex].progress = value;
         _progressOfUpload = value;
       },
+      onError: (err) {
+        queueOfUpload[queueIndex].error = err;
+        queueOfUpload[queueIndex].isUploading = false;
+      },
     );
 
-    queueOfUpload.removeAt(queueIndex);
+    if (queueOfUpload[queueIndex].error == null) {
+      queueOfUpload.removeAt(queueIndex);
+    }
     _stopProgressSyncTimer();
     _syncProgress();
 
@@ -103,6 +110,10 @@ class AttachmentUploaderController extends GetxController {
     _startProgressSyncTimer();
 
     for (var idx = 0; idx < queueOfUpload.length; idx++) {
+      if (queueOfUpload[idx].isUploading || queueOfUpload[idx].error != null) {
+        continue;
+      }
+
       queueOfUpload[idx].isUploading = true;
 
       final task = queueOfUpload[idx];
@@ -115,15 +126,20 @@ class AttachmentUploaderController extends GetxController {
           queueOfUpload[idx].progress = value;
           _progressOfUpload = (idx + value) / queueOfUpload.length;
         },
+        onError: (err) {
+          queueOfUpload[idx].error = err;
+          queueOfUpload[idx].isUploading = false;
+        },
       );
       _progressOfUpload = (idx + 1) / queueOfUpload.length;
-      onData(result);
+      if (result != null) onData(result);
 
       queueOfUpload[idx].isUploading = false;
-      queueOfUpload[idx].isCompleted = false;
+      queueOfUpload[idx].isCompleted = true;
     }
 
-    queueOfUpload.clear();
+    queueOfUpload.value =
+        queueOfUpload.where((x) => x.error == null).toList(growable: true);
     _stopProgressSyncTimer();
     _syncProgress();
 
@@ -135,7 +151,7 @@ class AttachmentUploaderController extends GetxController {
     String path,
     String usage,
     Map<String, dynamic>? metadata,
-    Function(Attachment) callback,
+    Function(Attachment?) callback,
   ) async {
     if (isUploading.value) throw Exception('uploading blocked');
 
@@ -153,7 +169,7 @@ class AttachmentUploaderController extends GetxController {
     callback(result);
   }
 
-  Future<Attachment> uploadAttachment(
+  Future<Attachment?> uploadAttachment(
     Uint8List data,
     String path,
     String usage,
@@ -175,9 +191,9 @@ class AttachmentUploaderController extends GetxController {
     return result;
   }
 
-  Future<Attachment> _rawUploadAttachment(
+  Future<Attachment?> _rawUploadAttachment(
       Uint8List data, String path, String usage, Map<String, dynamic>? metadata,
-      {Function(double)? onProgress}) async {
+      {Function(double)? onProgress, Function(dynamic err)? onError}) async {
     final AttachmentProvider provider = Get.find();
     try {
       final result = await provider.createAttachment(
@@ -189,7 +205,10 @@ class AttachmentUploaderController extends GetxController {
       );
       return result;
     } catch (err) {
-      rethrow;
+      if (onError != null) {
+        onError(err);
+      }
+      return null;
     }
   }
 }

lib/providers/content/attachment.dart

@@ -26,6 +26,8 @@ class AttachmentProvider extends GetConnect {
     List<int> id, {
     noCache = false,
   }) async {
+    if (id.isEmpty) return List.empty();
+
     List<Attachment?> result = List.filled(id.length, null);
     List<int> pendingQuery = List.empty(growable: true);
     if (!noCache) {

lib/providers/stickers.dart

@@ -0,0 +1,5 @@
+import 'package:get/get.dart';
+
+class StickerProvider extends GetxController {
+
+}

lib/router.dart

@@ -7,6 +7,7 @@ import 'package:solian/screens/account.dart';
 import 'package:solian/screens/account/friend.dart';
 import 'package:solian/screens/account/personalize.dart';
 import 'package:solian/screens/account/profile_page.dart';
+import 'package:solian/screens/account/stickers.dart';
 import 'package:solian/screens/channel/channel_chat.dart';
 import 'package:solian/screens/channel/channel_detail.dart';
 import 'package:solian/screens/channel/channel_organize.dart';
@@ -226,6 +227,14 @@ abstract class AppRouter {
         name: 'accountFriend',
         builder: (context, state) => const FriendScreen(),
       ),
+      GoRoute(
+        path: '/account/stickers',
+        name: 'accountStickers',
+        builder: (context, state) => TitleShell(
+          state: state,
+          child: const StickerScreen(),
+        ),
+      ),
       GoRoute(
         path: '/account/personalize',
         name: 'accountPersonalize',

lib/screens/account.dart

@@ -46,6 +46,11 @@ class _AccountScreenState extends State<AccountScreen> {
         'accountFriend'.tr,
         'accountFriend',
       ),
+      (
+      const Icon(Icons.emoji_symbols),
+      'accountStickers'.tr,
+      'accountStickers',
+      ),
     ];
 
     final AuthProvider auth = Get.find();

lib/screens/account/friend.dart

@@ -43,7 +43,7 @@ class _FriendScreenState extends State<FriendScreen>
         _relations.where((x) => x.status == 0).length;
   }
 
-  void promptAddFriend() async {
+  void _promptAddFriend() async {
     final RelationshipProvider provider = Get.find();
 
     final controller = TextEditingController();
@@ -146,7 +146,7 @@ class _FriendScreenState extends State<FriendScreen>
         ),
         floatingActionButton: FloatingActionButton(
           child: const Icon(Icons.add),
-          onPressed: () => promptAddFriend(),
+          onPressed: () => _promptAddFriend(),
         ),
         body: TabBarView(
           controller: _tabController,

lib/screens/account/personalize.dart

@@ -86,11 +86,17 @@ class _PersonalizeScreenState extends State<PersonalizeScreen> {
           toolbarTitle: 'cropImage'.tr,
           toolbarColor: Theme.of(context).colorScheme.primary,
           toolbarWidgetColor: Theme.of(context).colorScheme.onPrimary,
-          aspectRatioPresets: [CropAspectRatioPreset.square],
+          aspectRatioPresets: [
+            if (position == 'avatar') CropAspectRatioPreset.square,
+            if (position == 'banner') _BannerCropAspectRatioPreset(),
+          ],
         ),
         IOSUiSettings(
           title: 'cropImage'.tr,
-          aspectRatioPresets: [CropAspectRatioPreset.square],
+          aspectRatioPresets: [
+            if (position == 'avatar') CropAspectRatioPreset.square,
+            if (position == 'banner') _BannerCropAspectRatioPreset(),
+          ],
         ),
         WebUiSettings(
           context: context,
@@ -346,3 +352,11 @@ class _PersonalizeScreenState extends State<PersonalizeScreen> {
     super.dispose();
   }
 }
+
+class _BannerCropAspectRatioPreset extends CropAspectRatioPresetData {
+  @override
+  (int, int)? get data => (16, 7);
+
+  @override
+  String get name => '16x7';
+}

lib/screens/account/stickers.dart

@@ -0,0 +1,86 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
+import 'package:solian/models/pagination.dart';
+import 'package:solian/providers/auth.dart';
+import 'package:solian/services.dart';
+import 'package:solian/widgets/stickers/sticker_uploader.dart';
+
+class StickerScreen extends StatefulWidget {
+  const StickerScreen({super.key});
+
+  @override
+  State<StickerScreen> createState() => _StickerScreenState();
+}
+
+class _StickerScreenState extends State<StickerScreen> {
+  final PagingController<int, dynamic> _pagingController =
+      PagingController(firstPageKey: 0);
+
+  Future<bool?> _promptUploadSticker() {
+    return showDialog(
+      context: context,
+      builder: (context) => const StickerUploadDialog(),
+    );
+  }
+
+  @override
+  void initState() {
+    final AuthProvider auth = Get.find();
+    final name = auth.userProfile.value!['name'];
+    _pagingController.addPageRequestListener((pageKey) async {
+      final client = ServiceFinder.configureClient('files');
+      final resp =
+          await client.get('/stickers?take=10&offset=$pageKey&author=$name');
+      if (resp.statusCode == 200) {
+        final result = PaginationResult.fromJson(resp.body);
+        final out = result.data
+            ?.map((e) => e) // TODO transform object
+            .toList();
+        if (out != null && result.data!.length >= 10) {
+          _pagingController.appendPage(out, pageKey + out.length);
+        } else if (out != null) {
+          _pagingController.appendLastPage(out);
+        }
+      } else {
+        _pagingController.error = resp.bodyString;
+      }
+    });
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    _pagingController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      floatingActionButton: FloatingActionButton(
+        child: const Icon(Icons.add),
+        onPressed: () {
+          _promptUploadSticker().then((value) {
+            if (value == true) _pagingController.refresh();
+          });
+        },
+      ),
+      body: RefreshIndicator(
+        onRefresh: () => Future.sync(() => _pagingController.refresh()),
+        child: CustomScrollView(
+          slivers: [
+            PagedSliverList(
+              pagingController: _pagingController,
+              builderDelegate: PagedChildBuilderDelegate(
+                itemBuilder: (BuildContext context, item, int index) {
+                  return const SizedBox();
+                },
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/translations/en_us.dart

@@ -52,6 +52,7 @@ const i18nEnglish = {
   'account': 'Account',
   'accountPersonalize': 'Personalize',
   'accountPersonalizeApplied': 'Account personalize settings has been saved.',
+  'accountStickers': 'Stickers',
   'accountFriend': 'Friend',
   'accountFriendNew': 'New friend',
   'accountFriendNewHint':
@@ -339,4 +340,13 @@ const i18nEnglish = {
   'themeColorApplied': 'Global theme color has been applied.',
   'attachmentSaved': 'Attachment saved to your system album.',
   'cropImage': 'Crop Image',
+  'stickerUploader': 'Upload sticker',
+  'stickerUploaderAttachmentNew': 'Upload new attachment',
+  'stickerUploaderAttachment': 'Attachment serial number',
+  'stickerUploaderPack': 'Sticker pack serial number',
+  'stickerUploaderPackHint': 'Don\'t have pack id? Head to creator platform and create one!',
+  'stickerUploaderAlias': 'Alias',
+  'stickerUploaderAliasHint': 'Will be used as a placeholder with the sticker pack prefix when entered.',
+  'stickerUploaderName': 'Name',
+  'stickerUploaderNameHint': 'A human-friendly name given to the user in the sticker selection interface.',
 };

lib/translations/zh_cn.dart

@@ -52,6 +52,7 @@ const i18nSimplifiedChinese = {
   'account': '账号',
   'accountPersonalize': '个性化',
   'accountPersonalizeApplied': '账户的个性化设置已保存。',
+  'accountStickers': '贴图',
   'accountFriend': '好友',
   'accountFriendNew': '添加好友',
   'accountFriendNewHint': '使用他人的用户名来发送一个好友请求吧！',
@@ -316,4 +317,13 @@ const i18nSimplifiedChinese = {
   'themeColorApplied': '全局主题颜色已应用',
   'attachmentSaved': '附件已保存到系统相册',
   'cropImage': '裁剪图片',
+  'stickerUploader': '上传贴图',
+  'stickerUploaderAttachmentNew': '上传附件',
+  'stickerUploaderAttachment': '附件序列号',
+  'stickerUploaderPack': '贴图包序号',
+  'stickerUploaderPackHint': '没有该序号？请转到我们的创作者平台创建一个贴图包。',
+  'stickerUploaderAlias': '贴图别名',
+  'stickerUploaderAliasHint': '将会在输入时使用和贴图包前缀组成占位符。',
+  'stickerUploaderName': '贴图名称',
+  'stickerUploaderNameHint': '在贴图选择界面提供给用户的人类友好名称。',
 };

lib/widgets/account/account_status_action.dart

@@ -226,7 +226,7 @@ class _AccountStatusEditorDialogState extends State<AccountStatusEditorDialog> {
               onTapOutside: (_) =>
                   FocusManager.instance.primaryFocus?.unfocus(),
             ),
-            const SizedBox(height: 5),
+            const SizedBox(height: 8),
             TextField(
               controller: _clearAtController,
               readOnly: true,
@@ -238,7 +238,7 @@ class _AccountStatusEditorDialogState extends State<AccountStatusEditorDialog> {
               ),
               onTap: () => selectClearAt(),
             ),
-            const SizedBox(height: 5),
+            const SizedBox(height: 8),
             SingleChildScrollView(
               scrollDirection: Axis.horizontal,
               child: Wrap(
@@ -281,7 +281,7 @@ class _AccountStatusEditorDialogState extends State<AccountStatusEditorDialog> {
                 ],
               ),
             ),
-            const SizedBox(height: 5),
+            const SizedBox(height: 8),
             SingleChildScrollView(
               scrollDirection: Axis.horizontal,
               child: Wrap(

lib/widgets/attachments/attachment_editor.dart

@@ -23,16 +23,26 @@ import 'package:solian/widgets/attachments/attachment_fullscreen.dart';
 
 class AttachmentEditorPopup extends StatefulWidget {
   final String usage;
-  final List<int> initialAttachments;
+  final bool singleMode;
+  final bool imageOnly;
+  final bool autoUpload;
+  final double? imageMaxWidth;
+  final double? imageMaxHeight;
+  final List<int>? initialAttachments;
   final void Function(int) onAdd;
   final void Function(int) onRemove;
 
   const AttachmentEditorPopup({
     super.key,
     required this.usage,
-    required this.initialAttachments,
     required this.onAdd,
     required this.onRemove,
+    this.singleMode = false,
+    this.imageOnly = false,
+    this.autoUpload = false,
+    this.imageMaxWidth,
+    this.imageMaxHeight,
+    this.initialAttachments,
   });
 
   @override
@@ -43,7 +53,7 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
   final _imagePicker = ImagePicker();
   final AttachmentUploaderController _uploadController = Get.find();
 
-  bool _isAutoUpload = false;
+  late bool _isAutoUpload = widget.autoUpload;
 
   bool _isBusy = false;
   bool _isFirstTimeBusy = true;
@@ -54,13 +64,28 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
     final AuthProvider auth = Get.find();
     if (auth.isAuthorized.isFalse) return;
 
-    final medias = await _imagePicker.pickMultiImage();
+    if (widget.singleMode) {
-    if (medias.isEmpty) return;
+      final medias = await _imagePicker.pickMultiImage(
+        maxWidth: widget.imageMaxWidth,
+        maxHeight: widget.imageMaxHeight,
+      );
+      if (medias.isEmpty) return;
 
-    _enqueueTaskBatch(medias.map((x) {
+      _enqueueTaskBatch(medias.map((x) {
-      final file = File(x.path);
+        final file = File(x.path);
-      return AttachmentUploadTask(file: file, usage: widget.usage);
+        return AttachmentUploadTask(file: file, usage: widget.usage);
-    }));
+      }));
+    } else {
+      final media = await _imagePicker.pickMedia(
+        maxWidth: widget.imageMaxWidth,
+        maxHeight: widget.imageMaxHeight,
+      );
+      if (media == null) return;
+
+      _enqueueTask(
+        AttachmentUploadTask(file: File(media.path), usage: widget.usage),
+      );
+    }
   }
 
   Future<void> _pickVideoToUpload() async {
@@ -164,6 +189,7 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
     if (result != null) {
       widget.onAdd(result.id);
       setState(() => _attachments.add(result));
+      if (widget.singleMode) Navigator.pop(context);
     }
   }
 
@@ -179,9 +205,11 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
       widget.usage,
       null,
       (item) {
+        if (item == null) return;
         widget.onAdd(item.id);
         if (mounted) {
           setState(() => _attachments.add(item));
+          if (widget.singleMode) Navigator.pop(context);
         }
       },
     );
@@ -209,12 +237,12 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
   void _revertMetadataList() {
     final AttachmentProvider attach = Get.find();
 
-    if (widget.initialAttachments.isEmpty) {
+    if (widget.initialAttachments?.isEmpty ?? true) {
       _isFirstTimeBusy = false;
       return;
     } else {
       _attachments = List.filled(
-        widget.initialAttachments.length,
+        widget.initialAttachments!.length,
         null,
         growable: true,
       );
@@ -222,7 +250,9 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
 
     setState(() => _isBusy = true);
 
-    attach.listMetadata(widget.initialAttachments).then((result) {
+    attach
+        .listMetadata(widget.initialAttachments ?? List.empty())
+        .then((result) {
       setState(() {
         _attachments = result;
         _isBusy = false;
@@ -349,7 +379,13 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
                         child: Icon(Icons.check),
                       ),
                     ),
-                  if (!element.isCompleted && canBeCrop)
+                  if (element.error != null)
+                    IconButton(
+                      tooltip: element.error!.toString(),
+                      icon: const Icon(Icons.warning),
+                      onPressed: () {},
+                    ),
+                  if (!element.isCompleted && element.error == null && canBeCrop)
                     Obx(
                       () => IconButton(
                         color: Colors.teal,
@@ -362,7 +398,7 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
                               },
                       ),
                     ),
-                  if (!element.isCompleted && !element.isUploading)
+                  if (!element.isCompleted && !element.isUploading && element.error == null)
                     Obx(
                       () => IconButton(
                         color: Colors.green,
@@ -374,9 +410,13 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
                                 _uploadController
                                     .performSingleTask(index)
                                     .then((r) {
+                                  if (r == null) return;
                                   widget.onAdd(r.id);
                                   if (mounted) {
                                     setState(() => _attachments.add(r));
+                                    if (widget.singleMode) {
+                                      Navigator.pop(context);
+                                    }
                                   }
                                 });
                               },
@@ -519,6 +559,7 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
       widget.onAdd(r.id);
       if (mounted) {
         setState(() => _attachments.add(r));
+        if (widget.singleMode) Navigator.pop(context);
       }
     });
   }
@@ -670,6 +711,7 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
                 ignoring: _uploadController.isUploading.value,
                 child: Container(
                   height: 64,
+                  width: MediaQuery.of(context).size.width,
                   decoration: BoxDecoration(
                     border: Border(
                       top: BorderSide(
@@ -686,9 +728,10 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
                       alignment: WrapAlignment.center,
                       runAlignment: WrapAlignment.center,
                       children: [
-                        if (PlatformInfo.isDesktop ||
+                        if ((PlatformInfo.isDesktop ||
-                            PlatformInfo.isIOS ||
+                                PlatformInfo.isIOS ||
-                            PlatformInfo.isWeb)
+                                PlatformInfo.isWeb) &&
+                            !widget.imageOnly)
                           ElevatedButton.icon(
                             icon: const Icon(Icons.paste),
                             label: Text('attachmentAddClipboard'.tr),
@@ -701,36 +744,40 @@ class _AttachmentEditorPopupState extends State<AttachmentEditorPopup> {
                           style: const ButtonStyle(visualDensity: density),
                           onPressed: () => _pickPhotoToUpload(),
                         ),
-                        ElevatedButton.icon(
+                        if (!widget.imageOnly)
-                          icon: const Icon(Icons.add_road),
+                          ElevatedButton.icon(
-                          label: Text('attachmentAddGalleryVideo'.tr),
+                            icon: const Icon(Icons.add_road),
-                          style: const ButtonStyle(visualDensity: density),
+                            label: Text('attachmentAddGalleryVideo'.tr),
-                          onPressed: () => _pickVideoToUpload(),
+                            style: const ButtonStyle(visualDensity: density),
-                        ),
+                            onPressed: () => _pickVideoToUpload(),
+                          ),
                         ElevatedButton.icon(
                           icon: const Icon(Icons.photo_camera_back),
                           label: Text('attachmentAddCameraPhoto'.tr),
                           style: const ButtonStyle(visualDensity: density),
                           onPressed: () => _takeMediaToUpload(false),
                         ),
-                        ElevatedButton.icon(
+                        if (!widget.imageOnly)
-                          icon: const Icon(Icons.video_camera_back_outlined),
+                          ElevatedButton.icon(
-                          label: Text('attachmentAddCameraVideo'.tr),
+                            icon: const Icon(Icons.video_camera_back_outlined),
-                          style: const ButtonStyle(visualDensity: density),
+                            label: Text('attachmentAddCameraVideo'.tr),
-                          onPressed: () => _takeMediaToUpload(true),
+                            style: const ButtonStyle(visualDensity: density),
-                        ),
+                            onPressed: () => _takeMediaToUpload(true),
-                        ElevatedButton.icon(
+                          ),
-                          icon: const Icon(Icons.file_present_rounded),
+                        if (!widget.imageOnly)
-                          label: Text('attachmentAddFile'.tr),
+                          ElevatedButton.icon(
-                          style: const ButtonStyle(visualDensity: density),
+                            icon: const Icon(Icons.file_present_rounded),
-                          onPressed: () => _pickFileToUpload(),
+                            label: Text('attachmentAddFile'.tr),
-                        ),
+                            style: const ButtonStyle(visualDensity: density),
-                        ElevatedButton.icon(
+                            onPressed: () => _pickFileToUpload(),
-                          icon: const Icon(Icons.link),
+                          ),
-                          label: Text('attachmentAddFile'.tr),
+                        if (!widget.imageOnly)
-                          style: const ButtonStyle(visualDensity: density),
+                          ElevatedButton.icon(
-                          onPressed: () => _linkAttachments(),
+                            icon: const Icon(Icons.link),
-                        ),
+                            label: Text('attachmentAddFile'.tr),
+                            style: const ButtonStyle(visualDensity: density),
+                            onPressed: () => _linkAttachments(),
+                          ),
                       ],
                     ).paddingSymmetric(horizontal: 12),
                   ),

lib/widgets/attachments/attachment_fullscreen.dart

@@ -257,6 +257,10 @@ class _AttachmentFullScreenState extends State<AttachmentFullScreen> {
                       child: Wrap(
                         spacing: 6,
                         children: [
+                          Text(
+                            '#${widget.item.id}',
+                            style: metaTextStyle,
+                          ),
                           if (widget.item.metadata?['width'] != null &&
                               widget.item.metadata?['height'] != null)
                             Text(

lib/widgets/channel/channel_member.dart

@@ -57,7 +57,7 @@ class _ChannelMemberListPopupState extends State<ChannelMemberListPopup> {
     setState(() => _isBusy = false);
   }
 
-  void promptAddMember() async {
+  void _promptAddMember() async {
     final input = await showModalBottomSheet(
       context: context,
       builder: (context) {
@@ -141,7 +141,7 @@ class _ChannelMemberListPopupState extends State<ChannelMemberListPopup> {
               'channelMembersAddHint'
                   .trParams({'channel': '#${widget.channel.alias}'}),
             ),
-            onTap: () => promptAddMember(),
+            onTap: () => _promptAddMember(),
           ),
           Expanded(
             child: ListView.builder(

lib/widgets/stickers/sticker_uploader.dart

@@ -0,0 +1,183 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:solian/exts.dart';
+import 'package:solian/providers/auth.dart';
+import 'package:solian/widgets/attachments/attachment_editor.dart';
+
+class StickerUploadDialog extends StatefulWidget {
+  const StickerUploadDialog({super.key});
+
+  @override
+  State<StickerUploadDialog> createState() => _StickerUploadDialogState();
+}
+
+class _StickerUploadDialogState extends State<StickerUploadDialog> {
+  final TextEditingController _attachmentController = TextEditingController();
+  final TextEditingController _packController = TextEditingController();
+  final TextEditingController _aliasController = TextEditingController();
+  final TextEditingController _nameController = TextEditingController();
+
+  Color get _unFocusColor =>
+      Theme.of(context).colorScheme.onSurface.withOpacity(0.75);
+
+  bool _isBusy = false;
+
+  void _promptUploadNewAttachment() {
+    showModalBottomSheet(
+      context: context,
+      builder: (context) => AttachmentEditorPopup(
+        usage: 'sticker',
+        singleMode: true,
+        imageOnly: true,
+        autoUpload: true,
+        imageMaxHeight: 28,
+        imageMaxWidth: 28,
+        onAdd: (value) {
+          setState(() {
+            _attachmentController.text = value.toString();
+          });
+        },
+        initialAttachments: const [],
+        onRemove: (_) {},
+      ),
+    );
+  }
+
+  Future<void> _applySticker() async {
+    final AuthProvider auth = Get.find();
+    if (auth.isAuthorized.isFalse) return;
+
+    if ([
+      _nameController.text.isEmpty,
+      _aliasController.text.isEmpty,
+      _packController.text.isEmpty,
+      _attachmentController.text.isEmpty,
+    ].any((x) => x)) {
+      return;
+    }
+
+    final client = auth.configureClient('files');
+    final resp = await client.post('/stickers', {
+      'name': _nameController.text,
+      'alias': _aliasController.text,
+      'pack_id': int.tryParse(_packController.text),
+      'attachment_id': int.tryParse(_attachmentController.text),
+    });
+
+    if (resp.statusCode != 200) {
+      context.showErrorDialog(resp.bodyString);
+    } else {
+      Navigator.pop(context, true);
+    }
+  }
+
+  @override
+  void dispose() {
+    _attachmentController.dispose();
+    _packController.dispose();
+    _aliasController.dispose();
+    _nameController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text('stickerUploader'.tr),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          ListTile(
+            title: Text('stickerUploaderAttachmentNew'.tr),
+            contentPadding: const EdgeInsets.only(left: 16, right: 13),
+            trailing: const Icon(Icons.chevron_right),
+            shape: const RoundedRectangleBorder(
+              borderRadius: BorderRadius.all(Radius.circular(8)),
+            ),
+            onTap: () {
+              _promptUploadNewAttachment();
+            },
+          ),
+          const SizedBox(height: 8),
+          TextField(
+            controller: _attachmentController,
+            decoration: InputDecoration(
+              isDense: true,
+              border: const OutlineInputBorder(),
+              prefixText: '#',
+              labelText: 'stickerUploaderAttachment'.tr,
+            ),
+            onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
+          ),
+          const SizedBox(height: 8),
+          TextField(
+            controller: _packController,
+            decoration: InputDecoration(
+              isDense: true,
+              border: const OutlineInputBorder(),
+              prefixText: '#',
+              labelText: 'stickerUploaderPack'.tr,
+            ),
+            onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
+          ),
+          Container(
+            padding:
+                const EdgeInsets.only(left: 8, right: 8, top: 4, bottom: 6),
+            child: Text(
+              'stickerUploaderPackHint'.tr,
+              style: TextStyle(color: _unFocusColor),
+            ),
+          ),
+          TextField(
+            controller: _aliasController,
+            decoration: InputDecoration(
+              isDense: true,
+              border: const OutlineInputBorder(),
+              labelText: 'stickerUploaderAlias'.tr,
+            ),
+            onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
+          ),
+          Container(
+            padding:
+                const EdgeInsets.only(left: 8, right: 8, top: 4, bottom: 6),
+            child: Text(
+              'stickerUploaderAliasHint'.tr,
+              style: TextStyle(color: _unFocusColor),
+            ),
+          ),
+          TextField(
+            controller: _nameController,
+            decoration: InputDecoration(
+              isDense: true,
+              border: const OutlineInputBorder(),
+              labelText: 'stickerUploaderName'.tr,
+            ),
+            onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
+          ),
+          Container(
+            padding: const EdgeInsets.only(left: 8, right: 8, top: 4),
+            child: Text(
+              'stickerUploaderNameHint'.tr,
+              style: TextStyle(color: _unFocusColor),
+            ),
+          ),
+        ],
+      ),
+      actions: <Widget>[
+        TextButton(
+          style: TextButton.styleFrom(
+            foregroundColor:
+                Theme.of(context).colorScheme.onSurface.withOpacity(0.8),
+          ),
+          onPressed: _isBusy ? null : () => Navigator.pop(context),
+          child: Text('cancel'.tr),
+        ),
+        TextButton(
+          onPressed: _isBusy ? null : () => _applySticker(),
+          child: Text('apply'.tr),
+        ),
+      ],
+    );
+  }
+}