devscr/app/src/main/res/layout/activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/white"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="100dp"
        android:orientation="vertical">


        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingTop="20dp"
            android:text="@string/label_server_ip"
            android:textAppearance="@android:style/TextAppearance" />

        <EditText
            android:id="@+id/editText_server_host"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:maxLength="15"
            android:ems="7"
            android:inputType="text"
            android:minHeight="48dp"
            tools:ignore="LabelFor,SpeakableTextPresentCheck"
            android:importantForAutofill="no" />

	<TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingTop="20dp"
            android:text="远程设备端端口:"
            android:textAppearance="@android:style/TextAppearance" />
	<EditText
            android:id="@+id/editText_server_port"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:maxLength="7"
            android:ems="7"
            android:inputType="text"
            android:minHeight="48dp"
            tools:ignore="LabelFor,SpeakableTextPresentCheck"
            android:importantForAutofill="no" />

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:text="@string/label_video_resolution"
            android:textAppearance="@android:style/TextAppearance" />

        <Spinner
            android:id="@+id/spinner_video_resolution"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:entries="@array/options_resolution_keys"
            android:minHeight="48dp"
            tools:ignore="DuplicateSpeakableTextCheck" />

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:text="@string/label_video_bitrate"
            android:textAppearance="@android:style/TextAppearance" />

        <Spinner
            android:id="@+id/spinner_video_bitrate"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:entries="@array/options_bitrate_keys"
            android:minHeight="48dp" />
    </LinearLayout>


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:orientation="horizontal">

        <Switch
            android:id="@+id/switch0"
            android:layout_width="0dp"
            android:layout_height="48dp"
            android:layout_weight="1"
            android:text="@string/switch0"
            android:textSize="15sp" />

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:orientation="horizontal">


        <Switch
            android:id="@+id/switch1"
            android:layout_width="0dp"
            android:layout_height="48dp"
            android:layout_weight="1"
            android:text="@string/switch1"
            android:textSize="15sp" />


    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="40dp"
        android:orientation="horizontal">


        <Button
            android:id="@+id/button_start"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="@string/action_start"
            android:textSize="30sp" />
    </LinearLayout>

</LinearLayout>