Dynamic Menus in NavigationView

Dimmy Magalhães picture Dimmy Magalhães · Jun 26, 2015 · Viewed 26.8k times · Source

I have this Layout:

<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <!-- The ActionBar -->
    <include
        layout="@layout/toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <!-- The main content view -->
    <FrameLayout
        android:id="@+id/flContent"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
</LinearLayout>

<!-- The navigation drawer -->
<android.support.design.widget.NavigationView
    android:id="@+id/nvView"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    android:background="@android:color/white"
    app:menu="@menu/drawer_menu"
    app:headerLayout="@layout/nav_header"/>

So, looking that in NavigationView we have the attribute:

  app:menu="@menu/drawer_menu"

And I have this XML id menu folder.

I wanna make dynamic menus, ie, in code I should mount the 'MenuItem' objects and set into NavigationView.

Is this correct? Is this best pratice? Is this possible?

Note: My code is working with 'static drawer_menu', I want to improve it.

I'm waiting.

[EDIT]

I make it:

 Menu menu = nvDrawer.getMenu();
        for (KSMenuItem kmi : menus.values()) {
            if (menu.size() == 0) {
                menu.add(kmi.getId());
            }
            if (menu.getItem(kmi.getId()) == null) {
                menu.add(kmi.getId());
            }
            MenuItem mi = menu.getItem(kmi.getId());
            mi.setIcon(kmi.getIcon());
            mi.setTitle(kmi.getTittle());
        }

But this error happened:

06-27 15:26:15.538 15335-15335/? E/AndroidRuntime﹕ FATAL EXCEPTION: main Process: com.example.sticdev30.newdrawer, PID: 15335 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.sticdev30.newdrawer/com.example.sticdev30.newdrawer.MainActivity}: android.content.res.Resources$NotFoundException: String resource ID #0x1

KSMenuItem is a POJO with my menu data. In kmi.id I informed incremental integers...

I'm waitning

Answer

Trung Nguyen picture Trung Nguyen · Oct 12, 2015

You can re-inflate NavigationViewat runtime with 2 lines of code using public method inflateMenu. In this example i re-inflate with new_navigation_drawer_items.xml

navigationView.getMenu().clear(); //clear old inflated items.
navigationView.inflateMenu(R.menu.new_navigation_drawer_items); //inflate new items.