Error Inflating class com.google.android.maps.MapView

i am just following a simple map tutorial http://developer.android.com/resources/tutorials/views/hello-mapview.html but getting this error . I am new to android i tried to follow all the solution provided over the internet but no success yet. Please help me. My main .xml is below

<?xml version="1.0" encoding="utf-8"?>
<com.google.android.maps.MapView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/mapview"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:clickable="true"
    android:apiKey="***"
/>

and manifestfile is this