toolbar-home.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.Toolbar
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="?attr/actionBarSize"
    android:background="@color/colorPrimaryDark">
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textColor="@color/white"
        android:gravity="left|center"
        android:layout_gravity="center"
        android:textSize="18sp"
        android:text="@string/home"/>
</android.support.v7.widget.Toolbar>