bgs-astark/app/src/main/res/layout/activity_load_main.xml

<?xml version="1.0" encoding="utf-8"?>
<layout 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">

    <data>

        <variable
            name="title"
            type="String" />
        <variable
            name="visibState"
            type="androidx.databinding.ObservableBoolean" />
        <import type="android.view.View"/>

        <variable
            name="adapter"
            type="com.example.as_trak.adapter.CargoInfoAdapter" />
        <variable
            name="list1"
            type="java.util.List" />    <variable
            name="list2"
            type="java.util.List" />
    </data>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:animateLayoutChanges="true"
        android:orientation="vertical"
        tools:context=".LoadMainActivity">

        <include
            layout="@layout/toolbar"
            app:title='@{title??"行李装载"}' />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="81dp"
            android:layout_marginTop="12dp"
            android:background="@drawable/main_menu_bg">

            <TextView
                android:layout_width="82dp"
                android:layout_height="match_parent"
                android:gravity="center"
                android:text="航班号"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/load_main_flight_code"
                android:layout_width="match_parent"
                android:layout_height="38dp"
                android:layout_gravity="center"
                android:gravity="center"
                android:textSize="18sp"
                android:layout_weight="1"
                android:paddingRight="10dp"
                android:drawableRight="@mipmap/ic_select"
                android:background="@drawable/select_bg" />

            <ImageButton
                android:layout_width="50dp"
                android:layout_height="match_parent"
                android:layout_marginEnd="0dp"
                android:background="@color/white"
                android:onClick="loadAddFlight"
                android:src="@mipmap/icon_add" />
        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginTop="12dp"
            android:layout_weight="1"
            android:background="@drawable/main_menu_bg"
            android:orientation="vertical">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="51dp">
                <Spinner
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:textAlignment="center"
                    android:visibility="@{visibState?View.GONE:View.VISIBLE}"
                    android:entries="@{list1}"
                    />
                <EditText
                    android:id="@+id/load_main_cargo_code"
                    android:layout_width="match_parent"
                    android:layout_height="45dp"
                    android:layout_gravity="center"
                    android:layout_marginStart="10dp"
                    android:background="@drawable/select_bg"
                    android:maxLines="1"
                    android:inputType="text"
                    android:layout_weight="1"
                    android:visibility="@{visibState?View.GONE:View.VISIBLE}"
                    android:gravity="center" />
                <Spinner
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:textAlignment="center"
                    android:visibility="@{visibState?View.GONE:View.VISIBLE}"
                    android:entries="@{list2}"
                    />
                <TextView
                    android:layout_width="55dp"
                    android:layout_height="30dp"
                    android:layout_gravity="center"
                    android:layout_marginStart="5dp"
                    android:background="@drawable/button_add"
                    android:gravity="center"
                    android:text="添加"
                    android:visibility="@{visibState?View.GONE:View.VISIBLE}"
                    android:textColor="@color/white"
                    android:textSize="15sp"
                    android:onClick="loadAddCargo"/>

                <ImageButton
                    android:layout_width="40dp"
                    android:layout_height="match_parent"
                    android:layout_gravity="center"
                    android:layout_marginStart="10dp"
                    android:layout_marginEnd="5dp"
                    android:background="@color/white"
                    android:visibility="@{visibState?View.GONE:View.VISIBLE}"
                    android:src="@mipmap/icon_left"
                    android:onClick="loadCloseEdit"/>

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="51dp"
                    android:layout_marginStart="10dp"
                    android:drawableRight="@mipmap/icon_right"
                    android:gravity="center"
                    android:text="装载单元信息"
                    android:visibility="@{visibState?View.VISIBLE:View.GONE}"
                    android:textSize="18sp"
                    android:onClick="loadAddEdit"/>


            </LinearLayout>


            <View
                android:layout_width="match_parent"
                android:layout_height="1dp"
                android:background="@color/empty_color" />

            <androidx.recyclerview.widget.RecyclerView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:adapter="@{adapter}"
                android:padding="10dp"
                app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
        </LinearLayout>

        <Button
            android:layout_width="match_parent"
            android:layout_height="48dp"
            android:text="装载行李"
            android:textStyle="bold"
            android:textSize="18sp"
            android:letterSpacing="0.5"
            android:onClick="clickCargoInfo"
            android:layout_margin="12dp"/>
    </LinearLayout>
</layout>