iphone like tab host

tab_focus.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:left="@dimen/tab_space" android:right="@dimen/tab_space">
        <shape android:shape="rectangle">
           
            <gradient android:angle="-90" android:startColor="@color/tabMedium"
                android:endColor="@color/tabDark" />
        </shape>
    </item>
    <!-- draw tab background -->
    <item android:bottom="26dp">
        <shape android:shape="rectangle">
            <solid android:color="@color/tabTransparent" />
        </shape>
    </item>
   
    <item android:left="2dp" android:top="2dp"
                android:right="2dp" android:bottom="2dp" >
        <shape android:shape="rectangle">
            <corners android:bottomLeftRadius="@dimen/corner_radius"
                android:bottomRightRadius="@dimen/corner_radius"
                android:topLeftRadius="@dimen/corner_radius"
                android:topRightRadius="@dimen/corner_radius"
                />
            <gradient android:angle="-90" android:startColor="#20ffffff"
                android:endColor="#20ffffff" />
           
        </shape>
    </item>
</layer-list>