I am on android studio and I am trying to use a class method in other java files. I have the classes in the permissionHelper.java file and I am currently trying to reference them in the homePage.java file. I will have to use them in other files too though. With the current code, I get the "getToastDisplay in permissionHelper cannot be applied to: expected parameters: actual argument:" error. Anybody know how to solve this issue? Any help is appreciated.