Reputation: 555
I just created a navigation view drawer using menu:
<group
android:id="@+id/menu_top">
<item
android:id="@+id/nav_1"
android:icon="@drawable/ic_menu_camera"
android:title="Camera" />
<item
android:id="@+id/nav_2"
android:icon="@drawable/ic_menu_gallery"
android:title="Gallery" />
<item
android:id="@+id/nav_3"
android:icon="@drawable/ic_menu_slideshow"
android:title="Slideshow"/>
</group>
Now, I wonder how to add a numerical indicator on one of its items. Just like when Google Play Store having some updates on our installed apps. For example, item cart on screenshot below:
Any suggestions? Thank you.
Upvotes: 0
Views: 353
Reputation: 6857
1) Use actionLayout
in your menu items:
<item
android:id="@+id/nav_1"
android:icon="@drawable/ic_menu_camera"
android:title="Camera"
app:actionLayout="@layout/view_counter" />
2) Create view_counter
<TextView
android:id="@+id/tvCounter"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical" />
3) Find MenuItem
and set counter
MenuItem mItem = mNavView.getMenu().findItem(nav_1); // Find navigation item
View view = mItem.getActionView();
if (view instanceOf TextView) { // Double check, returned view is TextView
((TextView) view).setText(count);
}
Upvotes: 1