gistfile1.txt

        Toolbar toolbar = findViewById(R.id.main_toolbar);
        setSupportActionBar(toolbar);
        
        mDrawer = findViewById(R.id.main_drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this,
                                                                 mDrawer,
                                                                 toolbar,
                                                                 R.string.navigation_drawer_open,
                                                                 R.string.navigation_drawer_close);
        mDrawer.addDrawerListener(toggle);
        toggle.syncState();
        
        mNavigationView = findViewById(R.id.main_navigation_view_menu);
        mNavigationView.setNavigationItemSelectedListener(this);

gistfile2.txt

<?xml version="1.0" encoding="utf-8"?>
<androidx.drawerlayout.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main_drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    >

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".controler.articles.ArticlesActivity"
        >

        <com.google.android.material.appbar.AppBarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:theme="@style/AppTheme.AppBarOverlay"
            >

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/main_toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="?attr/colorPrimary"
                app:popupTheme="@style/AppTheme.PopupOverlay"
                />
            <com.google.android.material.tabs.TabLayout
                android:id="@+id/main_tl"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="?attr/colorPrimary"
                app:tabMode="scrollable"
                />
        </com.google.android.material.appbar.AppBarLayout>

        <androidx.viewpager.widget.ViewPager
            android:id="@+id/main_vp"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_behavior="@string/appbar_scrolling_view_behavior"
            />

        <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:id="@+id/main_fab"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="@dimen/fab_margin"
            android:layout_gravity="bottom|right|end"
            app:layout_behavior="fr.delcey.p5.view.ScrollAwareFabBehavior"
            app:srcCompat="@drawable/ic_search_white_24dp"
            tools:ignore="RtlHardcoded"
            />
    </androidx.coordinatorlayout.widget.CoordinatorLayout>

    <com.google.android.material.navigation.NavigationView
        android:id="@+id/main_navigation_view_menu"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:fitsSystemWindows="true"
        app:headerLayout="@layout/articles_activity_menu_header"
        />

</androidx.drawerlayout.widget.DrawerLayout>