package com.duqing.missions.ui.main.notifications; import androidx.annotation.Nullable; import androidx.lifecycle.Observer; import androidx.lifecycle.ViewModelProvider; import com.duqing.missions.base.BaseFragment; import com.duqing.missions.databinding.FragmentNotificationsBinding; public class NotificationsFragment extends BaseFragment { private NotificationsViewModel notificationsViewModel; @Override public void initViews() { notificationsViewModel = new ViewModelProvider(this).get(NotificationsViewModel.class); notificationsViewModel.getText().observe(getViewLifecycleOwner(), new Observer() { @Override public void onChanged(@Nullable String s) { } }); } }