I have xml code like this, and i want to set some item visible to be true with coding in java (android studio), what code should i type?
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
tools:showIn="navigation_view">
<group android:checkableBehavior="single">
<item
android:id="@+id/nav_home"
android:icon="@drawable/ic_home"
android:title="HOME" />
<item
android:id="@+id/nav_login"
android:icon="@drawable/ic_login"
android:title="LOGIN" />
<item
android:id="@+id/nav_logout"
android:title="LOGOUT"
android:visible="false"/>
<item
android:id="@+id/nav_category"
android:title="CATEGORY"
android:visible="false"/>
</group>