pda/zhuike/src/main/res/layout/fragment_book_store.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".Fragment_bookStore">
    <com.flyco.tablayout.SlidingTabLayout
        android:id="@+id/tab_layout"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:background="@color/white"
        app:tl_indicator_color="@color/crimson"
        app:tl_indicator_corner_radius="1.5dp"
        app:tl_indicator_height="2dp"
        app:tl_indicator_width="45dp"
        app:tl_textSelectColor="@color/crimson"
        app:tl_textUnselectColor="@color/grey"
        app:tl_tab_space_equal ="true"
        />
    <android.support.v4.view.ViewPager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="match_parent">


        <!--
        <android.support.design.widget.TabLayout
            android:id="@+id/tab_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:tabMode="fixed"/>

        -->
    </android.support.v4.view.ViewPager>

</LinearLayout>