android toolbar example

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main_menu, menu);
    return true;
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="58dp"
android:background="?attr/colorPrimary"
android:minHeight="?attr/actionBarSize"
android:titleTextColor="#ffffff">

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