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سلام دوستان وقتی پروژه اندروید رو می خوام run کنم این ارور رو میده دوستان لطفا راهنمایی کنید
The project was not built since its build path is incomplete. Cannot find the class file for android.support.v4.app.FragmentActivity. Fix the build path then try building this project
The type android.support.v4.app.FragmentActivity cannot be resolved. It is indirectly referenced from required .class files
این دو تا ارور رو میدن لطفا راهنمایی کنید
The project was not built since its build path is incomplete. Cannot find the class file for android.support.v4.app.FragmentActivity. Fix the build path then try building this project
The type android.support.v4.app.FragmentActivity cannot be resolved. It is indirectly referenced from required .class files
این دو تا ارور رو میدن لطفا راهنمایی کنید