Android Change Navigation Drawer Menu Items Text programmatically

Question

I have the new Navigation Drawer in my app and I want to change the navigation view menu items title text dynamically from code. I have watched many posts but I can\'t figure ou

Answer 1

This code can be used to add menus dynamically. it worked for me... the main part of the code is the displayItems();.....pass the String[] of items as a parameter to the function....it works.

public class Courses extends AppCompatActivity
    implements NavigationView.OnNavigationItemSelectedListener {

    TextView nn,ne,np,nl;
    SharedPreferences sp;
    NavigationView navigationView;
    DrawerLayout drawer;
    ImageView img;
    NavigationView nv;
    int id;

String[] acc={"ACPFAT","CPFA","Tally.ERP 9 Simplified","D P F A","CA Articles","DAA","TFAP","Tally.ERP 9 - Specialization","GST (Goods and service Tax)"};

drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.setDrawerTitle(Gravity.CENTER,n);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, 
                 R.string.navigation_drawer_open,R.string.navigation_drawer_close);

drawer.addDrawerListener(toggle);
toggle.syncState();
navigationView.setNavigationItemSelectedListener(this);

Intent i=getIntent();
id=i.getIntExtra("button",0);

switch(id)
    {

        case R.id.account:
            img.setImageResource(R.drawable.acc);
            displayItems(acc);
            break;

        case R.id.modular:
            img.setImageResource(R.drawable.acc);
            displayItems(mod);
            break;

        case R.id.diploma:

            img.setImageResource(R.drawable.acc);
            displayItems(dc);
            break;

    }

public void displayItems(String[] a)
  {

    final NavigationView navigationView=findViewById(R.id.nav_view);
    final DrawerLayout drawer=findViewById(R.id.drawer_layout);
    Menu menu=navigationView.getMenu();
    SubMenu sb=menu.addSubMenu("Courses");

    int i=0;
    while(i