SmartTabLayout not show complete

[neuyu]

here is my xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.ogaclejapan.smarttablayout.SmartTabLayout
        android:id="@+id/viewpager_tab"
        android:layout_width="match_parent"
        android:layout_height="48dp"/>

    <android.support.v4.view.ViewPager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</LinearLayout>



[MahmoudAymann]

set app:stl_distributeEvenly="true"