Flutter 3 兼容一下

[ljsenjj]

../../../../Documents/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_floating-0.1.2/lib/floating/floating.dart:77:22: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.

• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('../../../../Documents/flutter/packages/flutter/lib/src/scheduler/binding.dart').
  SchedulerBinding.instance?.addPostFrameCallback((timeStamp) {

[LvKang-insist]

../../../../Documents/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_floating-0.1.2/lib/floating/floating.dart:77:22: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.

• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('../../../../Documents/flutter/packages/flutter/lib/src/scheduler/binding.dart').
  SchedulerBinding.instance?.addPostFrameCallback((timeStamp) {

好的，兼容后会在下个版本发布，敬请关注

[LvKang-insist]

../../../../Documents/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_floating-0.1.2/lib/floating/floating.dart:77:22: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.

• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('../../../../Documents/flutter/packages/flutter/lib/src/scheduler/binding.dart').
  SchedulerBinding.instance?.addPostFrameCallback((timeStamp) {

适配 flutter3.0 的版本已经发布，直接使用 flutter_floating: ^0.1.3