i am leaving the dialog of debug console here
Launching lib\main.dart on Chrome in debug mode...
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock_platform_interface-0.2.0/lib/messages.dart:100:17: Error: The method 'setMockMessageHandler' isn't defined for the class 'BasicMessageChannel'.
- 'BasicMessageChannel' is from 'package:flutter/src/services/platform_channel.dart' ('/C:/flutter/packages/flutter/lib/src/services/platform_channel.dart').
Try correcting the name to the name of an existing method, or defining a method named 'setMockMessageHandler'.
channel.setMockMessageHandler(null);
^^^^^^^^^^^^^^^^^^^^^
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock_platform_interface-0.2.0/lib/messages.dart:102:17: Error: The method 'setMockMessageHandler' isn't defined for the class 'BasicMessageChannel'.
- 'BasicMessageChannel' is from 'package:flutter/src/services/platform_channel.dart' ('/C:/flutter/packages/flutter/lib/src/services/platform_channel.dart').
Try correcting the name to the name of an existing method, or defining a method named 'setMockMessageHandler'.
channel.setMockMessageHandler((dynamic message) async {
^^^^^^^^^^^^^^^^^^^^^
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock_platform_interface-0.2.0/lib/messages.dart:114:17: Error: The method 'setMockMessageHandler' isn't defined for the class 'BasicMessageChannel'.
-
'BasicMessageChannel' is from 'package:flutter/src/services/platform_channel.dart' ('/C:/flutter/packages/flutter/lib/src/services/platform_channel.dart').
Try correcting the name to the name of an existing method, or defining a method named 'setMockMessageHandler'.
channel.setMockMessageHandler(null);
^^^^^^^^^^^^^^^^^^^^^
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/wakelock_platform_interface-0.2.0/lib/messages.dart:116:17: Error: The method 'setMockMessageHandler' isn't defined for the class 'BasicMessageChannel'.
- 'BasicMessageChannel' is from 'package:flutter/src/services/platform_channel.dart' ('/C:/flutter/packages/flutter/lib/src/services/platform_channel.dart').
Try correcting the name to the name of an existing method, or defining a method named 'setMockMessageHandler'.
channel.setMockMessageHandler((dynamic message) async {
^^^^^^^^^^^^^^^^^^^^^
Failed to compile application.
Exited (sigterm)