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

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

    <data>

    </data>

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

        <!--    tools:showIn="@layout/activity_learn_exam_word"-->
        <!--释义-->
        <TextView
            android:id="@+id/tv_explain"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            tools:text="【中】a.逐渐的；逐步的；和缓的"
            android:textColor="@color/main_text_color"
            android:textSize="@dimen/bigSize"
            android:gravity="center"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            android:layout_marginTop="34dp"
            android:textStyle="bold" />

        <!--单词测试时间-->
        <ProgressBar
            android:id="@+id/progress_word_countdown_time"
            style="@android:style/Widget.ProgressBar.Horizontal"
            android:layout_width="match_parent"
            android:layout_height="4dp"
            android:layout_marginStart="88dp"
            android:layout_marginTop="16dp"
            android:layout_marginEnd="88dp"
            android:progressDrawable="@drawable/progressbar_countdown_time"
            app:layout_constraintTop_toBottomOf="@+id/tv_explain"
            tools:progress="20" />

<!--        <androidx.appcompat.widget.AppCompatTextView-->
<!--            android:id="@+id/tv_word"-->
<!--            android:layout_width="match_parent"-->
<!--            android:layout_height="@dimen/height_word"-->
<!--            android:layout_marginTop="@dimen/global_spacing"-->
<!--            android:gravity="center"-->
<!--            tools:text="gradual"-->
<!--            tools:textColor="@color/num0"-->
<!--            android:textSize="@dimen/size_max_word"-->
<!--            app:autoSizeMaxTextSize="@dimen/size_max_word"-->
<!--            app:autoSizeMinTextSize="@dimen/miniSize"-->
<!--            app:autoSizeStepGranularity="1dp"-->
<!--            app:autoSizeTextType="uniform"-->
<!--            app:layout_constraintStart_toStartOf="parent"-->
<!--            app:layout_constraintEnd_toEndOf="parent"-->
<!--            app:layout_constraintTop_toBottomOf="@+id/progress_word_countdown_time" />-->

        <include
            android:id="@+id/inc_word"
            layout="@layout/inc_word"
            android:layout_width="0dp"
            android:layout_height="@dimen/height_word"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/progress_word_countdown_time"
            android:layout_marginTop="@dimen/global_spacing"/>

        <TextView
            android:id="@+id/tv_rule_tip"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="12dp"
            android:text="@string/test_spell_tip"
            android:textColor="@color/gray_2"
            android:textSize="@dimen/smallerSize"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/inc_word" />

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/spell_recyclerView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_marginStart="10dp"
            android:layout_marginEnd="10dp"
            android:background="@color/red_3"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/tv_rule_tip"
            android:layout_marginTop="12dp"
            app:layout_constrainedWidth="true"
            tools:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
            tools:itemCount="4"
            tools:listitem="@layout/item_spell_single_word"
            tools:orientation="horizontal"/>


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