Android Cannot resolve symbol '?attr/selectableItemBackground'

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北恋 2020-12-05 09:11

      
      
        
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                   盖世英雄少女心
                                             
                
                
                (楼主)
            
              
              
                2020-12-05 09:34
              

            
            
                        
I have solved by,


Deleting the .idea folder in project explorer.
Invalidate Caches/Restart
Refresh Project Gradle

    
             
                                                        
            
            
              
                
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