Theme and Layout for Toolbar as ActionBar and add a Navigation Drawer

Activity.java

import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;
import android.os.Bundle;

public class Activity extends AppCompatActivity {
    DrawerLayout mDrawerLayout;
    Toolbar mToolbar;
    ActionBarDrawerToggle mDrawerToggle;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.toolbar);

        mToolbar = (Toolbar) findViewById(R.id.toolbar_for_drawer);
        setSupportActionBar(mToolbar);

        ActionBar actionBar = getSupportActionBar();

        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerToggle = new ActionBarDrawerToggle(Activity.this, mDrawerLayout, mToolbar, R.string.drawer_opened, R.string.drawer_closed);
        mDrawerLayout.setDrawerListener(mDrawerToggle);

        if (actionBar != null) {
            actionBar.setTitle(R.string.title_activity_main);
            actionBar.setHomeButtonEnabled(true);
        }
    }


    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        mDrawerToggle.syncState();
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onBackPressed() {
        if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
            mDrawerLayout.closeDrawers();
        }
    }
}

activity_layout.xml

<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:id="@+id/container_frame"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <FrameLayout
        android:id="@+id/drawer_frame"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

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

styles.xml

<style name="DrawerLayoutTheme" parent="Theme.AppCompat.Light.NoActionBar">
    <item name="colorPrimary">@color/primary</item>
    <item name="colorPrimaryDark">@color/primary_dark</item>
    <item name="colorAccent">@color/accent</item>
    <item name="windowActionBar">false</item>
    <item name="android:divider">@color/divider</item>
</style>

toolbar_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_height="match_parent">

    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar_for_drawer"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        android:minHeight="?attr/actionBarSize"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar" />

    <include
        android:id="@+id/drawer_layout"
        layout="@layout/activity_layout" />
</LinearLayout>