[英]Change Icon of MenuItem Navigation Drawer Android Programatically?
Hello I create Navigation Drawer in my App. 您好,我在我的应用程序中创建了导航抽屉。 Now I have quetion how to change each Icon of MenuItem Navigation Drawer Programatically? 现在我有疑问如何以编程方式更改MenuItem导航抽屉的每个图标? if in Xml the menu like this: 如果在Xml中是这样的菜单:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<group android:checkableBehavior="none">
<item
android:id="@+id/nav_input_berita"
android:icon="@drawable/ic_nav_input_berita"
android:title="@string/input_berita" />
<item
android:id="@+id/nav_logout"
android:icon="@drawable/ic_nav_logout"
android:title="@string/logout" />
</group>
</menu>
and the Activity like this : 和这样的活动:
public class MainActivity extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
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.setIc
navigationView.setNavigationItemSelectedListener(this);
setFragmentArtikel();
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.nav_input_berita) {
} else if (id == R.id.nav_logout) {
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
}
so how the programaticaly. 那么如何编程。 Change Icon android:icon="@drawable/ic_nav_input_berita"
and android:icon="@drawable/ic_nav_input_logout"
? 更改图标android:icon="@drawable/ic_nav_input_berita"
和android:icon="@drawable/ic_nav_input_logout"
吗? sorry for my English 对不起我的英语不好
Just do this: 只要这样做:
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
Menu menu = navigationView.getMenu();
MenuItem nav_input_beritaItem = menu.findItem(R.id.nav_input_berita);
nav_input_beritaItem .setIcon(R.drawable.ic_nav_input_berita);
MenuItem nav_logoutItem = menu.findItem(R.id.nav_input_logout);
nav_logoutItem .setIcon(R.drawable.ic_nav_input_logout);
That's all 就这样
只需使用toolbar.setNavigationIcon(R.drawable.ic_align_left);
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