Entry是OverlayEntry类的实例
entry?.remove();
错误
Package:flutter/src/widgets/overlay.dart': Failed assertion: line 133 pos 12: '_overlay != null':
Entry是OverlayEntry类的实例
entry?.remove();
错误
Package:flutter/src/widgets/overlay.dart': Failed assertion: line 133 pos 12: '_overlay != null':
Resolved个
经过大量的研究和try ,我在下面找到了一个简单的解决方案.
entry?.remove();
entry = null;