Starting from version 23 of appcompat-v7 NavigationView
supports action views, so it is quite easy to implement counter yourself.
-
Create counter layout, i.e.
menu_counter.xml
:<?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="match_parent" android:gravity="center_vertical" android:textAppearance="@style/TextAppearance.AppCompat.Body2" />
-
Reference it in your drawer menu xml, i.e.
menu/drawer.xml
:<item ... app:actionLayout="@layout/menu_counter" />
Note that you should use app
namespace, don’t try to use android
.
Alternatively you can manually set action view with MenuItem.setActionView()
method.
-
Find menu item and set counter:
private void setMenuCounter(@IdRes int itemId, int count) { TextView view = (TextView) navigationView.getMenu().findItem(itemId).getActionView(); view.setText(count > 0 ? String.valueOf(count) : null); }
Note, that you will need to use MenuItemCompat if you have to support Android 2.x versions.