flukit
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使用插件出现问题
flukit-3.0.1/lib/src/safe_value_notifier.dart:20:33: Error: Method 'addPostFrameCallback' cannot be called on 'SchedulerBinding?' because it is potentially null.
- 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('/D:/flutter/packages/flutter/lib/src/scheduler/binding.dart'). package:flutter/…/scheduler/binding.dart:1 Try calling using ?. instead. SchedulerBinding.instance.addPostFrameCallback((_) {