<?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"
    tools:context=".ui.activity.FetalHeartActivity">

    <com.google.android.material.card.MaterialCardView
        android:id="@+id/card_info"
        style="@style/Widget.Material3.CardView.Elevated"
        android:layout_width="0dp"
        android:layout_height="160dp"
        android:layout_margin="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <ImageView
            android:layout_width="24dp"
            android:layout_height="24dp"
            android:layout_margin="8dp"
            android:importantForAccessibility="no"
            android:src="@drawable/ic_heart_rate" />

        <com.google.android.material.textview.MaterialTextView
            android:id="@+id/tv_message"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:textAppearance="@style/TextAppearance.Material3.TitleLarge"
            tools:text="Idle" />

        <com.google.android.material.checkbox.MaterialCheckBox
            android:id="@+id/chk_volume_switch"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="end"
            android:button="@drawable/selector_volume_switch"
            android:checked="true" />

    </com.google.android.material.card.MaterialCardView>

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rv_messages"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_margin="16dp"
        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
        app:layout_constraintBottom_toTopOf="@id/btn_reset_toco"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/card_info" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_reset_toco"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="16dp"
        android:layout_marginBottom="8dp"
        android:text="@string/fetal_heart_btn_reset_toco"
        android:visibility="gone"
        app:layout_constraintBottom_toTopOf="@id/btn_wakeup"
        tools:visibility="visible" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_wakeup"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="16dp"
        android:layout_marginBottom="8dp"
        android:text="@string/fetal_heart_btn_wakeup"
        android:visibility="gone"
        app:layout_constraintBottom_toTopOf="@id/btn_reset_afm"
        tools:visibility="visible" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_reset_afm"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="16dp"
        android:text="@string/fetal_heart_btn_reset_afm"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        tools:visibility="visible" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/btn_recording"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="32dp"
        android:contentDescription="录制声音"
        android:src="@drawable/ic_record"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintBottom_toTopOf="@id/btn_reset_toco"
        app:layout_constraintEnd_toEndOf="parent"
        app:tint="#FF2222"
        tools:visibility="visible" />

    <com.google.android.material.textview.MaterialTextView
        android:id="@+id/tv_recording_time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="00:00"
        android:textAppearance="@style/TextAppearance.Material3.BodySmall"
        android:visibility="gone"
        app:layout_constraintBottom_toTopOf="@id/btn_recording"
        app:layout_constraintEnd_toEndOf="@id/btn_recording"
        app:layout_constraintStart_toStartOf="@id/btn_recording"
        tools:visibility="visible" />

</androidx.constraintlayout.widget.ConstraintLayout>