package com.example.erdbebensender; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import androidx.annotation.NonNull; import androidx.fragment.app.Fragment; import androidx.navigation.fragment.NavHostFragment; public class SecondFragment extends Fragment { @Override public View onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState ) { // Inflate the layout for this fragment return inflater.inflate(R.layout.fragment_second, container, false); } public void onViewCreated(@NonNull View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); view.findViewById(R.id.button_second).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { NavHostFragment.findNavController(SecondFragment.this) .navigate(R.id.action_SecondFragment_to_FirstFragment); } }); } }