毕设day28

bug:

Version 28 (intended for Android Pie and below) is the last version of the legacy support library,...

解决:

https://blog.csdn.net/qq_32534441/article/details/104804429

 

bug:

Cannot resolve symbol 'Toolbar'

解决:对于toolbar导入的包是Android.widget.Toolbar,但其实需要使用的不是这个包,将包名改为android.suppport.V7.widget.Toolbar,就正确了

 

posted @ 2021-04-30 16:20  IT龚哞哞  阅读(47)  评论(0)    收藏  举报