Flutter Heroes
📈 Analytical overview of Telegram channel Flutter Heroes
Channel Flutter Heroes (@flutterdev) in the English language segment is an active participant. Currently, the community unites 24 985 subscribers, ranking 4 956 in the Technologies & Applications category.
📊 Audience metrics and dynamics
Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 24 985 subscribers.
According to the latest data from 27 January, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -163 over the last 30 days and by 0 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 0%. Within the first 24 hours after publication, content typically collects N/A% reactions from the total number of subscribers.
- Post reach: On average, each post receives 0 views. Within the first day, a publication typically gains 0 views.
- Reactions and interaction: The audience actively supports content: the average number of reactions per post is 0.
- Thematic interests: Content is focused on key topics such as developer, firebase, widget, hemantpra389, engineer.
📝 Description and content policy
Channel description not provided.
Thanks to the high frequency of updates (latest data received on 28 January, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Technologies & Applications category.
class CategoryServices { String collection = "categories"; Firestore _firestore = Firestore.instance; Future<List<CategoryModel>> getCategories() async => _firestore.collection(collection).getDocuments().then((result) { List<CategoryModel> categories = []; for (DocumentSnapshot category in result.documents) { categories.add(CategoryModel.fromSnapshot(category)); } return categories; }); } To this, but getting an error. Where did I go wrong?class CategoryModel { String? image; String? name; CategoryModel({this.image, this.name}); // receiving data from server factory CategoryModel.fromMap(map) { return CategoryModel(image: map['image'], name: map['name']); } // sending data to our server Map<String, dynamic> toMap() { return { 'image': image, 'name': name, }; } } class CategoryServices { String collection = "category"; FirebaseFirestore _firestore = FirebaseFirestore.instance; Future<List<CategoryModel>> getCategories() async => _firestore.collection(collection).get().then((result) { List<CategoryModel> categories = []; for (Map category in result.docs) { //error at this line categories.add(CategoryModel.fromMap(category)); } return categories; }); }
September 27, 2021 at 02:33PM by vaishu1005
https://ift.tt/3idCmPE