Android Studio: Gradle: error: cannot find symbol variable

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Happy的楠姐
Happy的楠姐 2020-11-27 20:07

I was working on my app and everything was normal until I tried to display image in java.

I ran the app once and it ran normally, the picture was displayed. After th

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  •  夕颜
    夕颜 (楼主)
    2020-11-27 20:36

    Make sure you have MainActivity and .ScanActivity into your AndroidManifest.xml file:

    
            
                
                
            
        
        
    
        
    

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