AppFlowy/frontend/appflowy_flutter/lib/startup/tasks/debug_task.dart

import 'package:appflowy/startup/startup.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:talker/talker.dart';
import 'package:talker_bloc_logger/talker_bloc_logger.dart';
import 'package:universal_platform/universal_platform.dart';

class DebugTask extends LaunchTask {
  DebugTask();

  final Talker talker = Talker();

  @override
  Future<void> initialize(LaunchContext context) async {
    await super.initialize(context);

    // hide the keyboard on mobile
    if (UniversalPlatform.isMobile && kDebugMode) {
      await SystemChannels.textInput.invokeMethod('TextInput.hide');
    }

    // log the bloc events
    if (kDebugMode) {
      Bloc.observer = TalkerBlocObserver(
        talker: talker,
        settings: TalkerBlocLoggerSettings(
          enabled: false,
          printEventFullData: false,
          printStateFullData: false,
          printChanges: true,
          printClosings: true,
          printCreations: true,
          transitionFilter: (bloc, transition) {
            // By default, observe all transitions
            // You can add your own filter here if needed
            //  when you want to observer a specific bloc
            return true;
          },
        ),
      );
    }
  }
}