ProductTester/app/src/main/res/layout/activity_scan_device.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView 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"
    tools:context=".views.ScanDeviceActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <LinearLayout
            android:id="@+id/matchListLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:layout_marginLeft="8dp"
            android:layout_marginTop="8dp"
            android:layout_marginEnd="8dp"
            android:layout_marginRight="8dp"
            android:orientation="vertical">

            <android.support.constraint.ConstraintLayout
                android:id="@+id/matchListToggle"
                android:layout_width="match_parent"
                android:layout_height="wrap_content">

                <com.joanzapata.iconify.widget.IconTextView
                    android:id="@+id/matchListIcon"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="8dp"
                    android:layout_marginLeft="8dp"
                    android:layout_marginTop="8dp"
                    android:layout_marginBottom="8dp"
                    android:text="{fa-link}"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="8dp"
                    android:layout_marginLeft="8dp"
                    android:layout_marginTop="8dp"
                    android:layout_marginBottom="8dp"
                    android:text="已配对"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintStart_toEndOf="@+id/matchListIcon"
                    app:layout_constraintTop_toTopOf="parent" />

                <com.joanzapata.iconify.widget.IconTextView
                    android:id="@+id/matchListArrow"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="end"
                    android:layout_marginTop="8dp"
                    android:layout_marginBottom="8dp"
                    android:text="{fa-chevron-down}"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintTop_toTopOf="parent" />

            </android.support.constraint.ConstraintLayout>

            <cn.minbb.producttester.controls.FoldingLayout
                android:id="@+id/matchListFolding"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:tag="main">

                <ListView
                    android:id="@+id/matchList"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />

            </cn.minbb.producttester.controls.FoldingLayout>

        </LinearLayout>

        <LinearLayout
            android:id="@+id/searchListLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:layout_marginLeft="8dp"
            android:layout_marginTop="8dp"
            android:layout_marginEnd="8dp"
            android:layout_marginRight="8dp"
            android:orientation="vertical">

            <android.support.constraint.ConstraintLayout
                android:id="@+id/searchListToggle"
                android:layout_width="match_parent"
                android:layout_height="wrap_content">

                <com.joanzapata.iconify.widget.IconTextView
                    android:id="@+id/iconTextView2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="8dp"
                    android:layout_marginLeft="8dp"
                    android:layout_marginTop="8dp"
                    android:layout_marginBottom="8dp"
                    android:text="{fa-unlink}"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="8dp"
                    android:layout_marginLeft="8dp"
                    android:layout_marginTop="8dp"
                    android:layout_marginBottom="8dp"
                    android:text="搜索列表"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintStart_toEndOf="@+id/iconTextView2"
                    app:layout_constraintTop_toTopOf="parent" />

                <com.joanzapata.iconify.widget.IconTextView
                    android:id="@+id/searchListArrow"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="end"
                    android:layout_marginTop="8dp"
                    android:layout_marginBottom="8dp"
                    android:text="{fa-chevron-down}"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintTop_toTopOf="parent" />

            </android.support.constraint.ConstraintLayout>

            <cn.minbb.producttester.controls.FoldingLayout
                android:id="@+id/searchListFolding"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:tag="main">

                <ListView
                    android:id="@+id/searchList"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />

            </cn.minbb.producttester.controls.FoldingLayout>

        </LinearLayout>

        <View
            android:id="@+id/bottomLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp" />

    </LinearLayout>

</ScrollView>