Various ways of creating android navigation drawer - Cont'd

The other method of creating the navigation drawer comes inbuilt as a startup templaetewith the latest version of android studio, this method does not require instantiating a fragment which makes it preferable for me. It uses a navigation view widget as illustrated below

Files

Github link: https://github.com/devDeji/ActivityNav

 activity_main.xml - Unlike the one with the fragment, this contain a top level drawer layout then the main app bar and navigation view widget
<android.support.v4.widget.DrawerLayout 
    tools:openDrawer="start">

    <include        layout="@layout/app_bar_main"         />

Note: An header resource is also included in the nav drawer
    <android.support.design.widget.NavigationView        app:headerLayout="@layout/nav_header_main"        app:menu="@menu/activity_main_drawer" />

</android.support.v4.widget.DrawerLayout>


app_bar_main.xml - This file contains the toolbar, the top level coordinator layout and


inclusive of a content menu




<android.support.design.widget.CoordinatorLayout>

    <android.support.design.widget.AppBarLayout       >

        <android.support.v7.widget.Toolbar            />

    </android.support.design.widget.AppBarLayout>

    <include layout="@layout/content_main" />

    <android.support.design.widget.FloatingActionButton       
        app:srcCompat="@android:drawable/ic_dialog_email" />

</android.support.design.widget.CoordinatorLayout>




MainActivity.java - Here the ActionBarDrawerToggle API binds the navigation drawer layout to


the toolbar, then instantiating the navigation view widget to add a listner




DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
        this, drawer, toolbar, R.string.navigation_drawer_open, R


.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();

NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);




Note: To use a custom action bar, you need to set the app theme in the style resource file to 


noActionBar then include an action bar in the activity_main.xml file.






Hope you find this piece of article interesting and gained enough insight to creating a


navigation drawer in android studio








































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