Magisk/app/src/main/res/layout/modules_fragment.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
    android:id="@+id/main_content"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:app="http://schemas.android.com/apk/res-auto"
              android:id="@+id/llayout"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:layout_marginTop="?attr/actionBarSize"
              android:orientation="vertical">

    <android.support.design.widget.TabLayout
        android:id="@+id/tab_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="?attr/colorPrimary"
        android:elevation="4dp"
        android:minHeight="?attr/actionBarSize"
        app:tabGravity="fill"
        app:tabIndicatorColor="?attr/colorAccent"
        app:tabMode="fixed"
        app:tabTextAppearance="@style/TextAppearance.Design.Tab"/>

    <ProgressBar
        android:id="@+id/progressBar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"/>

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




</LinearLayout>
    <android.support.design.widget.FloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="right"
        android:layout_margin="16dp"
        android:clickable="true"
        app:layout_anchor="@id/llayout"
        android:src="@drawable/ic_add"
        app:layout_anchorGravity="bottom|right|end"
        />
</android.support.design.widget.CoordinatorLayout>