Change NavigationView items when user is logged
AndroidAndroid LayoutNavigation DrawerAndroid Problem Overview
My app's main activity has a navigation drawer, instantiated in the XML in this way:
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:headerLayout="@layout/drawer_header"
app:menu="@menu/application_drawer"
android:background="@color/white"/>
Now, the menu entry for the navigation drawer is the following:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<group android:checkableBehavior="single">
<item
android:id="@+id/login"
android:icon="@drawable/ic_action_person"
android:title="@string/login"/>
<item
android:id="@+id/settings"
android:icon="@drawable/ic_action_settings"
android:title="@string/settings"/>
<item
android:id="@+id/terms"
android:icon="@drawable/ic_action_about"
android:title="@string/terms_and_conditions_menu"/>
<item
android:id="@+id/about"
android:icon="@drawable/ic_action_about"
android:title="@string/info_hotelsclick"/>
</group>
What I'd like to do is to change the first item (and possibly the others as well) dynamically under some conditions. For instance, I'd like to change the "Login" entry with a "logout" one once the user has logged in ;-)
How can I achieve that? I managed to add an item to the Drawer in this way
Menu menu = navigationView.getMenu();
menu.add("Test");
but it doesn't sound that good to me, I'm pretty sure there must be a cleaner way.
...but does it?
Android Solutions
Solution 1 - Android
I thing the best approach to this is to include all your items in the menu and the change their visibility.
<item
android:id="@+id/login"
android:icon="@drawable/ic_action_person"
android:title="@string/login"
android:visible="true" />
<item
android:id="@+id/logout"
android:icon="@drawable/ic_action_person"
android:title="@string/logout"
android:visible="false" />
then
navigationView.getMenu().findItem(R.id.login).setVisible(false);
navigationView.getMenu().findItem(R.id.logout).setVisible(true);
You can also do this with whole groups of items
<group
android:id="@+id/group_1"
android:checkableBehavior="single"
android:visible="false">
...
</group>
and
navigationView.getMenu().setGroupVisible(R.id.group_1, true)
Solution 2 - Android
Simple solution:
Add two xml files in menu directory:
-
navigation_with_login.xml
Navigation Menu for logged in users<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android"> <group android:checkableBehavior="single"> <item android:id="@+id/nav_camera" android:icon="@drawable/ic_menu_camera" android:title="Import" /> <item android:id="@+id/nav_gallery" android:icon="@drawable/ic_menu_gallery" android:title="Gallery" /> <item android:id="@+id/nav_slideshow" android:icon="@drawable/ic_menu_slideshow" android:title="Slideshow" /> <item android:id="@+id/nav_login" android:icon="@drawable/ic_menu_login" android:title="Login" /> </group> </menu>
-
navigation_with_logout.xml
Navigation Menu for default user:<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android"> <group android:checkableBehavior="single"> <item android:id="@+id/nav_camera" android:icon="@drawable/ic_menu_camera" android:title="Import" /> <item android:id="@+id/nav_gallery" android:icon="@drawable/ic_menu_gallery" android:title="Gallery" /> <item android:id="@+id/nav_slideshow" android:icon="@drawable/ic_menu_slideshow" android:title="Slideshow" /> <item android:id="@+id/nav_logout" android:icon="@drawable/ic_menu_logout" android:title="Logout" /> </group> </menu>
Now you can change NavigationView
items,just write few lines of code.
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
if(islogin)
{
navigationView.getMenu().clear();
navigationView.inflateMenu(R.menu.navigation_with_login);
} else
{
navigationView.getMenu().clear();
navigationView.inflateMenu(R.menu.navigation_with_logout);
}
Solution 3 - Android
Frst get the navigationmenu
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
Menu menu = navigationView.getMenu();
To add the menu dynamically
if(loggedOut){
menu.add(R.id.submenu_others, R.id.action_logout, Menu.NONE, "logout");
}
> Here is menu.add(groupId, menuItemId, orderOfMenu, menuItem text)
if(loggedIn){
menu.removeItem(R.id.action_logout);
}
Solution 4 - Android
I got it done, try this when you need to change the title:
navigationView.getMenu().findItem(R.id.yourItemId).setTitle("my title");
Hope it helped!