Вызов метода в onCreate()

 @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
 
        FloatingActionButton fab = (FloatingActionButton) 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();
 
 
            }
        });
 
 
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();
 
        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);
 
 
        // Переход на уведомление
        fimport = new Fragmentone();
        fgallery = new Fragmentty();
        ftri=new Fragment_Tri();
 
        FragmentTransaction ftrans = getFragmentManager().beginTransaction();
        Intent intent = getIntent();
        int id = intent.getIntExtra("fragmentId", 0);
        if (id == 123) {
 
            ftrans.replace(R.id.container, fgallery);
 
        }
         else{
            ftrans.replace(R.id.container, fimport);
        }
        ftrans.commit();
 
        editTextt =(EditText)findViewById(R.id.editText4);
        loadText();
    }

 private void loadText() {
 
                 sPref =getPreferences(MODE_PRIVATE);
                 String saveText =sPref.getString(SAVED_TEXT,"");
                 editTextt.setText(saveText);
                 Toast.makeText(MainActivity.this, "TextLoaded", Toast.LENGTH_SHORT).show();
 
             }

editTextt =(EditText)findViewById(R.id.editText4);
        loadText();

editTextt =(EditText) view.findViewById(R.id.editText4);

@Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_fragmentone, container, false);
       EditText editTextt =(EditText) view.findViewById(R.id.editText4);
 
    }

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_fragmentone, container, false);
    EditText editTextt =(EditText) view.findViewById(R.id.editText4);
    return view;
}

SharedPreferences sPref;
    final  String SAVED_TEXT="saved_text";
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view = inflater.inflate(R.layout.fragment_fragmentone, container, false);
        EditText editTextt =(EditText) view.findViewById(R.id.editText4);
 
        loadText();
        return view;
 
    }
    
    public  void loadText() {
 
        sPref =getPreferences(MODE_PRIVATE);
        String saveText =sPref.getString(SAVED_TEXT,"");
        editTextt.setText(saveText);
        Toast.makeText(MainActivity.this, "TextLoaded", Toast.LENGTH_SHORT).show();
 
    }

 MainActivity mainActivity=new MainActivity();
        mainActivity.loadText();

 sPref =getContext().getPreferences(MODE_PRIVATE);