XklLocal/app/src/main/res/layout/fragment_course_lesson.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

    <data>

    </data>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".module.m_center_learn.coursechildren.CourseLessonFragment">
        <!-- LinearLayout 仅在口语课程时显示-->
        <LinearLayout
            android:id="@+id/spoken_top_layout"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:background="@color/gray_3"
            android:orientation="horizontal"
            android:visibility="gone"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            tools:visibility="visible">

            <TextView
                android:id="@+id/tv_auto_dialogue"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:paddingTop="8dp"
                android:paddingBottom="8dp"
                android:text="@string/english_spoken_pattern_auto_play"
                android:textColor="@color/selectpress_maintextcolor_to_themcolor"
                android:textSize="@dimen/normalSize" />

            <TextView
                android:id="@+id/tv_follow_dialogue"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:paddingTop="8dp"
                android:paddingBottom="8dp"
                android:text="@string/english_spoken_pattern_follow"
                android:textColor="@color/selectpress_maintextcolor_to_themcolor"
                android:textSize="@dimen/normalSize" />
        </LinearLayout>


        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/recyclerView"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:overScrollMode="never"
            android:scrollbars="none"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/spoken_top_layout" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>