2024.12.11

<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:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".WorkFragment">

    <!-- 上半部分任务显示容器 -->
    <LinearLayout
        android:id="@+id/tasksContainer"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:orientation="vertical"
        app:layout_constraintBottom_toTopOf="@+id/equipmentContainer"
        app:layout_constraintHeight_percent="0.66"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <!-- 下半部分设备显示容器 -->
    <LinearLayout
        android:id="@+id/equipmentContainer"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:orientation="vertical"
        app:layout_constraintBottom_toTopOf="@+id/scanQRCodeButton"
        app:layout_constraintHeight_percent="0.33"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/tasksContainer"/>

    <!-- 扫描设备二维码按钮，位于下半部分的正中间 -->
    <Button
        android:id="@+id/scanQRCodeButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="16dp"
        android:text="扫描设备二维码"
        android:textSize="18sp"
        android:padding="16dp"
        android:background="@drawable/ic_launcher_background"
        app:layout_constraintBottom_toBottomOf="@+id/equipmentContainer"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="@+id/equipmentContainer"
        app:layout_constraintHorizontal_bias="0.5" />
</androidx.constraintlayout.widget.ConstraintLayout>