meinWald/Code Android/meinWald/app/src/main/java/com/example/meinwald/ui/task/TasksFragment.java

package com.example.meinwald.ui.task;

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.ViewModelProviders;

import com.example.meinwald.R;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.snackbar.Snackbar;

public class TasksFragment extends Fragment {

    private NotificationsViewModel notificationsViewModel;

    public View onCreateView(@NonNull LayoutInflater inflater,
                             ViewGroup container, Bundle savedInstanceState) {
        notificationsViewModel = ViewModelProviders.of(this).get(NotificationsViewModel.class);
        View root = inflater.inflate(R.layout.fragment_tasks, container, false);
        final TextView textView = root.findViewById(R.id.text_tasks);
        notificationsViewModel.getText().observe(getViewLifecycleOwner(), new Observer<String>() {
            @Override
            public void onChanged(@Nullable String s) {
                textView.setText(s);
            }
        });

        FloatingActionButton fab = root.findViewById(R.id.fab);

        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });

        return root;
    }
}