Attempt to invoke virtual method 'void android.support.v7.widget.Toolbar.setVisibility(int)' on a null object reference

mzelzoghbi / ZGallery

Android 3rd party library to make implementing galleries more easier

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Attempt to invoke virtual method 'void android.support.v7.widget.Toolbar.setVisibility(int)' on a null object reference #28

Open amirhrezf opened 6 years ago

amirhrezf commented 6 years ago

why i get crash. how to fix this problem. I tried many ways adding toolbar changing style theme and more but still i get this error java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.Toolbar.setVisibility(int)' on a null object reference can anyone help me?

UniqueJoy commented 5 years ago

yes yes this is happening everytime @amirhrezf