CGContextDrawPDFPage memory Leak - App Crash

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逝去的感伤 2020-12-20 15:22

When I analyze my app with Instruments, I found out that data allocated by CGContextDrawPDFPage is not released immediately. App getting crash because of


      
      
        
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                   旧巷少年郎
                                             
                
                
                (楼主)
            
              
              
                2020-12-20 15:25
              

            
            
                        
This is by design. To allow faster re-draws, the CGPDFDocumentRef caches page resources. 

The only way to empty this cache is to release and re-open the CGPDFDocumentRef.
    
             
                                                        
            
            
              
                
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