<?xml version="1.0" encoding="utf-8"?>
<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"
    tools:context="org.androidtown.myapplication.MainActivity">

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:id="@+id/linearLayout">


        <ImageButton
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:id="@+id/imageButton"
            android:src="@drawable/home"
            android:scaleType = "fitCenter"
            android:maxHeight="40dp"/>

        <ImageButton
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:id="@+id/imageButton2"
            android:src="@drawable/location"
            android:layout_alignParentTop="true"
            android:adjustViewBounds = "true"
            android:scaleType = "fitCenter"
            android:maxHeight="40dp"/>

        <ImageButton
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:id="@+id/imageButton3"
            android:src="@drawable/message"
            android:layout_alignParentTop="true"
            android:adjustViewBounds = "true"
            android:scaleType = "fitCenter"
            android:maxHeight="40dp"/>

        <ImageButton
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:id="@+id/imageButton4"
            android:src="@drawable/settings"
            android:scaleType = "fitCenter"
            android:maxHeight="40dp"/>
    </LinearLayout>

    <android.support.v4.view.ViewPager
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/container"
        android:layout_centerHorizontal="true"
        android:layout_below="@+id/linearLayout" />

</RelativeLayout>