Android Toolbar - Screen Shot : http://dl.dropbox.com/u/14113161/screenshot.png

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TableLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        style="@style/CustomToolbarContainer">

        <TableRow
            android:id="@+id/tableRow1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            style="@style/CustomToolbarWrapper"
            android:padding="0dp">

            <Button
                android:id="@+id/button1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Top Stories"
				style="@style/CustomToolbarButtonHomepage"/>

            <Button
                android:id="@+id/button2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Notifications"
                style="@style/CustomToolbarButtonNotification" />

			<Button
                android:id="@+id/button3"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Browse"
                style="@style/CustomToolbarButtonBrowse" />

            <Button
                android:id="@+id/button4"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Profile"
                style="@style/CustomToolbarButtonProfile" />
        </TableRow>
    </TableLayout>

</RelativeLayout>

custom_toolbar_button.xml

<?xml version="1.0" encoding="UTF-8"?> 
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item
		android:state_pressed="true">
		<shape android:shape="rectangle">
		    <padding android:left="5dp" android:top="5dp" android:right="5dp" android:bottom="5dp" />
		    <gradient android:type="radial"
		        android:gradientRadius="60"
		        android:startColor="#FFF6F6F6"
		        android:centerColor="#FFE8E8E8"
		        android:endColor="#FFD9D9D9" />
		</shape>
    </item>
    <item
        android:state_focused="false" android:state_pressed="false">
		<shape android:shape="rectangle">
		
		    <padding android:left="5dp" android:top="5dp" android:right="5dp" android:bottom="5dp" />
		    <gradient android:angle="90"
		        android:type="linear" 
		        android:endColor="#FFF6F6F6"
		        android:centerColor="#FFE8E8E8"
		        android:startColor="#FFD9D9D9" />
		</shape>
    </item>
</selector>

custom_toolbar_button_text_color.xml

<?xml version="1.0" encoding="UTF-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:color="#FF000000"
        android:state_pressed="true" />
    <item android:color="#AA000000"
        android:state_focused="false" android:state_pressed="false" />
</selector>

icon_dashboard.xml

<?xml version="1.0" encoding="UTF-8"?> 
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item
  	android:state_pressed="true">
		<bitmap android:src="@drawable/dashboard_active" />
    </item>
    <item
        android:state_focused="false" android:state_pressed="false">
		<bitmap android:src="@drawable/dashboard_passive"/>
    </item>
</selector>

MainActivity.java

package com.example.navigationstyle;

import android.app.Activity;
import android.graphics.Typeface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity implements OnClickListener {

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

		Button btn1 = (Button) findViewById(R.id.button1);
		Button btn2 = (Button) findViewById(R.id.button2);
		Button btn3 = (Button) findViewById(R.id.button3);
		Button btn4 = (Button) findViewById(R.id.button4);

		Typeface font = Typeface.createFromAsset(getAssets(),
				"fonts/Roboto-Bold.ttf");
		btn1.setTypeface(font);
		btn2.setTypeface(font);
		btn3.setTypeface(font);
		btn4.setTypeface(font);

		btn1.setPressed(true);
		btn1.setClickable(false);
	}

	@Override
	public void onClick(View v) {
	}

}

style.xml

<resources xmlns:android="http://schemas.android.com/apk/res/android">

    <style name="AppTheme">
        <item name="android:background">#FFFFFFFF</item>
    </style>

    <style name="CustomToolbarContainer">
        <item name="android:background">#FFAAAAAA</item>
        <item name="android:paddingTop">0.5dp</item>
    </style>

    <style name="CustomToolbarWrapper">
        <item name="android:stretchColumns">*</item>
        <item name="android:background">#FFDDDDDD</item>
    </style>

	<style name="CustomToolbarButton">
        <item name="android:layout_weight">1</item>
        <item name="android:background">@drawable/custom_toolbar_button</item>
        <item name="android:textSize">12dp</item>
        <item name="android:textColor">@color/custom_toolbar_button_text_color</item>
    </style>

    <style name="CustomToolbarButtonHomepage" parent="CustomToolbarButton">
        <item name="android:drawableTop">@drawable/icon_dashboard</item>
    </style>

	<style name="CustomToolbarButtonNotification" parent="CustomToolbarButton">
        <item name="android:drawableTop">@drawable/notification</item>
    </style>

	<style name="CustomToolbarButtonBrowse" parent="CustomToolbarButton">
        <item name="android:drawableTop">@drawable/feeds</item>
    </style>

	<style name="CustomToolbarButtonProfile" parent="CustomToolbarButton">
        <item name="android:drawableTop">@drawable/settings</item>
    </style>
</resources>