cooleshow_android/teacher/src/main/res/layout/fragment_home_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:id="@+id/iv_header_bg"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:adjustViewBounds="true"
        android:scaleType="fitXY"
        android:src="@drawable/bg_login_header"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <View
        android:id="@+id/view_status_bar"
        android:layout_width="match_parent"
        android:layout_height="1px"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="74dp"
        android:src="@drawable/bg_home_header2"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/view_status_bar" />

    <ImageView
        android:id="@+id/iv_app_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="14dp"
        android:layout_marginTop="25dp"
        android:src="@drawable/icon_app_name_word"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/view_status_bar" />

    <ImageView
        android:id="@+id/iv_chat"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="34dp"
        android:layout_marginEnd="20dp"
        android:src="@drawable/icon_home_chat"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/view_status_bar" />

    <View
        android:id="@+id/view_chat_red_point"
        android:layout_width="6dp"
        android:layout_height="6dp"
        android:background="@drawable/shape_red_point"
        android:visibility="gone"
        app:layout_constraintRight_toRightOf="@+id/iv_chat"
        app:layout_constraintTop_toTopOf="@+id/iv_chat" />

    <de.hdodenhof.circleimageview.CircleImageView
        android:src="@drawable/icon_teacher_default_head"
        android:id="@+id/iv_avatar"
        android:layout_width="52dp"
        android:layout_height="52dp"
        android:layout_marginTop="37dp"
        app:layout_constraintLeft_toLeftOf="@+id/iv_app_name"
        app:layout_constraintTop_toBottomOf="@+id/iv_app_name" />

    <TextView
        android:id="@+id/tv_nickname"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="10dp"
        android:layout_marginBottom="10dp"
        android:includeFontPadding="false"
        android:textColor="@color/color_1a1a1a"
        android:textSize="@dimen/sp_18"
        app:layout_constraintBottom_toTopOf="@+id/rating_bar"
        app:layout_constraintLeft_toRightOf="@+id/iv_avatar"
        app:layout_constraintTop_toTopOf="@+id/iv_avatar"
        app:layout_constraintVertical_chainStyle="packed"
        android:text="游客12e32td"
        tools:text="游客12e32td" />

    <RatingBar
        android:id="@+id/rating_bar"
        style="@style/HomeRatingBar"
        android:layout_width="wrap_content"
        android:layout_height="19dp"
        android:numStars="5"
        android:rating="3"
        android:stepSize="1"
        app:layout_constraintBottom_toBottomOf="@+id/iv_avatar"
        app:layout_constraintLeft_toLeftOf="@+id/tv_nickname"
        app:layout_constraintTop_toBottomOf="@+id/tv_nickname" />

    <ImageView
        android:id="@+id/iv_certification_status"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="5dp"
        android:src="@drawable/icon_home_un_certification"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/rating_bar" />

    <View
        android:id="@+id/certification_tip_help_view"
        android:layout_width="1px"
        android:layout_height="1px"
        android:layout_marginBottom="15dp"
        app:layout_constraintBottom_toBottomOf="@+id/iv_certification_status"
        app:layout_constraintLeft_toLeftOf="@+id/iv_certification_status" />

    <ImageView
        android:id="@+id/iv_un_certification_tip"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="6dp"
        android:src="@drawable/icon_home_certification_tip"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/certification_tip_help_view" />

    <LinearLayout
        android:id="@+id/bg_announcement"
        android:layout_width="match_parent"
        android:layout_height="44dp"
        android:layout_marginStart="14dp"
        android:layout_marginTop="91dp"
        android:layout_marginEnd="14dp"
        android:background="@drawable/bg_white_10dp"
        android:elevation="2dp"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/iv_avatar">

        <ImageView
            android:id="@+id/iv_bell"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="10dp"
            android:src="@drawable/icon_home_bell"
            app:layout_constraintBottom_toBottomOf="@+id/bg_announcement"
            app:layout_constraintLeft_toLeftOf="@+id/bg_announcement"
            app:layout_constraintTop_toTopOf="@+id/bg_announcement" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="2dp"
            android:includeFontPadding="false"
            android:text="网络教室升级公告"
            android:textColor="@color/color_1a1a1a"
            android:textSize="@dimen/sp_14"
            app:layout_constraintBottom_toBottomOf="@+id/iv_bell"
            app:layout_constraintLeft_toRightOf="@+id/iv_bell"
            app:layout_constraintTop_toTopOf="@+id/iv_bell" />

    </LinearLayout>

    <androidx.cardview.widget.CardView
        android:id="@+id/card_mine_course"
        android:layout_width="0dp"
        android:layout_height="105dp"
        android:layout_marginStart="14dp"
        android:layout_marginTop="12dp"
        android:layout_marginEnd="5dp"
        app:cardBackgroundColor="@color/white"
        app:cardCornerRadius="10dp"
        app:cardElevation="2dp"
        app:cardUseCompatPadding="false"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toLeftOf="@+id/card_after_class_homework"
        app:layout_constraintTop_toBottomOf="@+id/bg_announcement">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical|end"
            android:src="@drawable/icon_home_mine_course" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="18dp"
            android:layout_marginTop="18dp"
            android:orientation="vertical"
            android:paddingEnd="18dp">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:includeFontPadding="false"
                android:text="@string/home_mine_course_str"
                android:textColor="@color/color_1a1a1a"
                android:textSize="@dimen/sp_16"
                android:textStyle="bold" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="3dp"
                android:includeFontPadding="false"
                android:text="本周剩余\n0课时"
                android:textColor="@color/color_999999"
                android:textSize="@dimen/sp_12" />
        </LinearLayout>
    </androidx.cardview.widget.CardView>


    <androidx.cardview.widget.CardView
        android:id="@+id/card_after_class_homework"
        android:layout_width="0dp"
        android:layout_height="105dp"
        android:layout_marginStart="5dp"
        android:layout_marginEnd="14dp"
        app:cardBackgroundColor="@color/white"
        app:cardCornerRadius="10dp"
        app:cardElevation="2dp"
        app:cardUseCompatPadding="false"
        app:layout_constraintLeft_toRightOf="@+id/card_mine_course"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="@+id/card_mine_course">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical|end"
            android:src="@drawable/icon_home_homework" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="18dp"
            android:layout_marginTop="18dp"
            android:orientation="vertical"
            android:paddingEnd="18dp">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:includeFontPadding="false"
                android:text="课后作业"
                android:textColor="@color/color_1a1a1a"
                android:textSize="@dimen/sp_16"
                android:textStyle="bold" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="3dp"
                android:includeFontPadding="false"
                android:text="本周共0节课\n未布置作业"
                android:textColor="@color/color_999999"
                android:textSize="@dimen/sp_12" />
        </LinearLayout>
    </androidx.cardview.widget.CardView>

    <androidx.cardview.widget.CardView
        android:id="@+id/card_after_class_assess"
        android:layout_width="0dp"
        android:layout_height="105dp"
        android:layout_marginTop="12dp"
        app:cardBackgroundColor="@color/white"
        app:cardCornerRadius="10dp"
        app:cardElevation="2dp"
        app:cardUseCompatPadding="false"
        app:layout_constraintLeft_toLeftOf="@+id/card_mine_course"
        app:layout_constraintRight_toRightOf="@+id/card_mine_course"
        app:layout_constraintTop_toBottomOf="@+id/card_mine_course">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical|end"
            android:src="@drawable/icon_home_appraisal" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="18dp"
            android:layout_marginTop="18dp"
            android:orientation="vertical"
            android:paddingEnd="18dp">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:includeFontPadding="false"
                android:text="课后评价"
                android:textColor="@color/color_1a1a1a"
                android:textSize="@dimen/sp_16"
                android:textStyle="bold" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="3dp"
                android:includeFontPadding="false"
                android:text="剩余0节\n尚未评价"
                android:textColor="@color/color_999999"
                android:textSize="@dimen/sp_12" />
        </LinearLayout>
    </androidx.cardview.widget.CardView>

    <androidx.cardview.widget.CardView
        android:id="@+id/card_mine_music_sheet"
        android:layout_width="0dp"
        android:layout_height="105dp"
        android:layout_marginTop="12dp"
        app:cardBackgroundColor="@color/white"
        app:cardCornerRadius="10dp"
        app:cardElevation="2dp"
        app:cardUseCompatPadding="false"
        app:layout_constraintLeft_toLeftOf="@+id/card_after_class_homework"
        app:layout_constraintRight_toRightOf="@+id/card_after_class_homework"
        app:layout_constraintTop_toBottomOf="@+id/card_after_class_homework">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical|end"
            android:src="@drawable/icon_home_sheet_music" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="18dp"
            android:layout_marginTop="18dp"
            android:orientation="vertical"
            android:paddingEnd="18dp">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:includeFontPadding="false"
                android:text="我的乐谱"
                android:textColor="@color/color_1a1a1a"
                android:textSize="@dimen/sp_16"
                android:textStyle="bold" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="3dp"
                android:includeFontPadding="false"
                android:text="共 0 支\n乐谱"
                android:textColor="@color/color_999999"
                android:textSize="@dimen/sp_12" />
        </LinearLayout>
    </androidx.cardview.widget.CardView>


    <androidx.cardview.widget.CardView
        android:id="@+id/card_mine_assess"
        android:layout_width="0dp"
        android:layout_height="105dp"
        android:layout_marginTop="12dp"
        app:cardBackgroundColor="@color/white"
        app:cardCornerRadius="10dp"
        app:cardElevation="2dp"
        app:cardUseCompatPadding="false"
        app:layout_constraintLeft_toLeftOf="@+id/card_mine_course"
        app:layout_constraintRight_toRightOf="@+id/card_mine_course"
        app:layout_constraintTop_toBottomOf="@+id/card_after_class_assess">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical|end"
            android:src="@drawable/icon_home_receive_appraisal" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="18dp"
            android:layout_marginTop="18dp"
            android:orientation="vertical"
            android:paddingEnd="18dp">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:includeFontPadding="false"
                android:text="我收到的评价"
                android:textColor="@color/color_1a1a1a"
                android:textSize="@dimen/sp_16"
                android:textStyle="bold" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="3dp"
                android:includeFontPadding="false"
                android:text="本周收到\n0 个评价"
                android:textColor="@color/color_999999"
                android:textSize="@dimen/sp_12" />
        </LinearLayout>
    </androidx.cardview.widget.CardView>

    <androidx.cardview.widget.CardView
        android:id="@+id/card_mine_income"
        android:layout_width="0dp"
        android:layout_height="105dp"
        android:layout_marginTop="12dp"
        app:cardBackgroundColor="@color/white"
        app:cardCornerRadius="10dp"
        app:cardElevation="2dp"
        app:cardUseCompatPadding="false"
        app:layout_constraintLeft_toLeftOf="@+id/card_after_class_homework"
        app:layout_constraintRight_toRightOf="@+id/card_after_class_homework"
        app:layout_constraintTop_toBottomOf="@+id/card_mine_music_sheet">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical|end"
            android:src="@drawable/icon_home_mine_income" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="18dp"
            android:layout_marginTop="18dp"
            android:orientation="vertical"
            android:paddingEnd="18dp">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:includeFontPadding="false"
                android:text="我的收入"
                android:textColor="@color/color_1a1a1a"
                android:textSize="@dimen/sp_16"
                android:textStyle="bold" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="3dp"
                android:includeFontPadding="false"
                android:text="本月收入\n0.00 元"
                android:textColor="@color/color_999999"
                android:textSize="@dimen/sp_12" />
        </LinearLayout>
    </androidx.cardview.widget.CardView>
</androidx.constraintlayout.widget.ConstraintLayout>