package com.duqing.missions.ui.notifications; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.fragment.app.Fragment; import androidx.lifecycle.Observer; import androidx.lifecycle.ViewModelProvider; import com.duqing.missions.R; import com.duqing.missions.databinding.FragmentNotificationsBinding; public class NotificationsFragment extends Fragment { private NotificationsViewModel notificationsViewModel; private FragmentNotificationsBinding binding; public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { notificationsViewModel = new ViewModelProvider(this).get(NotificationsViewModel.class); binding = FragmentNotificationsBinding.inflate(inflater, container, false); View root = binding.getRoot(); final TextView textView = binding.textNotifications; notificationsViewModel.getText().observe(getViewLifecycleOwner(), new Observer() { @Override public void onChanged(@Nullable String s) { textView.setText(s); } }); return root; } @Override public void onDestroyView() { super.onDestroyView(); binding = null; } }