Я хочу скрыть панель навигации, когда пользователь щелкает или выбирает элемент меню панели навигации. Мой класс MainaActivity coedis `
publi c класс Home расширяет AppCompatActivity, реализует NavigationView.OnNavigationItemSelectedListener {
// Init Variable
private DrawerLayout drawerLayout;
private ActionBarDrawerToggle actionBarDrawerToggle;
private NavigationView navigationView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
//navigation coding start
drawerLayout = findViewById(R.id.drawer_layout);
Toolbar toolbar;
toolbar= findViewById(R.id.toolBar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
actionBarDrawerToggle = new ActionBarDrawerToggle(Home.this, drawerLayout,toolbar, R.string.drawer_open, R.string.drawer_close);
drawerLayout.addDrawerListener(actionBarDrawerToggle);
actionBarDrawerToggle.syncState();
navigationView = findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
if(savedInstanceState==null){
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,new FragmentHome()).commit();
navigationView.setCheckedItem(R.id.nav_home);
}
}
@Override
public void onBackPressed() {
if(drawerLayout.isDrawerOpen(GravityCompat.START)){
drawerLayout.closeDrawer(GravityCompat.START);
}else {
super.onBackPressed();
}
}
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()){
case R.id.nav_home:
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,new FragmentHome()).commit();
break;
case R.id.nav_myProfile:
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,new FragmentProfile()).commit();
break;
case R.id.nav_myWallet:
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,new FragmentWallet()).commit();
break;
}
return true;
}
} `