unrecognized selector sent to instance 0x8c9a6d0

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你的背包 2020-12-20 15:20

Can anyone tell me what is going on in this error code

[UIViewController collectionView:numberOfItemsInSection:]: unrecognized selector sent to instance 0x8c


      
      
        
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                   伪装坚强ぢ
                                             
                
                
                (楼主)
            
              
              
                2020-12-20 16:03
              

            
            
                        
Put the protocols : UICollectionViewDelegate and UICollectionViewDataSource after UIViewController to access UICollectionView delegate methods.
    
             
                                                        
            
            
              
                
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