ProjectLaogai/app/src/main/res/layout/fragment_timetable.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             xmlns:tools="http://schemas.android.com/tools"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             tools:context=".fragments.TimeTableFragment">

    <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">

        <ScrollView
                android:layout_width="match_parent"
                android:layout_height="match_parent">
            <LinearLayout
                    android:orientation="vertical"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:animateLayoutChanges="true"
                    android:background="@color/themePrimary"
                    android:id="@+id/linLayout_Timetable"/>
        </ScrollView>
    </androidx.constraintlayout.widget.ConstraintLayout>

</FrameLayout>