package com.example.myapplication.ui.slideshow; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import androidx.annotation.Nullable; import androidx.annotation.NonNull; import androidx.fragment.app.Fragment; import androidx.lifecycle.Observer; import androidx.lifecycle.ViewModelProviders; import com.example.myapplication.R; public class SlideshowFragment extends Fragment { private SlideshowViewModel slideshowViewModel; public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { slideshowViewModel = ViewModelProviders.of(this).get(SlideshowViewModel.class); View root = inflater.inflate(R.layout.fragment_slideshow, container, false); final TextView textView = root.findViewById(R.id.text_slideshow); slideshowViewModel.getText().observe(this, new Observer() { @Override public void onChanged(@Nullable String s) { textView.setText(s); } }); return root; } }