wireguard-android/app/src/main/res/layout/tunnel_editor_peer.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">

    <data>

        <import type="com.wireguard.android.widget.KeyInputFilter" />

        <variable
            name="collection"
            type="android.databinding.ObservableList&lt;com.wireguard.config.Peer.Observable&gt;" />

        <variable
            name="item"
            type="com.wireguard.config.Peer.Observable" />
    </data>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="4dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="4dp"
        android:background="?android:attr/colorBackground"
        android:elevation="2dp"
        android:padding="8dp">

        <TextView
            android:id="@+id/peer_title"
            style="?android:attr/textAppearanceMedium"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentStart="true"
            android:layout_alignParentTop="true"
            android:layout_marginBottom="8dp"
            android:layout_toStartOf="@+id/peer_action_delete"
            android:text="@string/peer" />

        <ImageButton
            android:id="@+id/peer_action_delete"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentEnd="true"
            android:layout_alignParentTop="true"
            android:background="@null"
            android:contentDescription="@string/delete"
            android:onClick="@{() -> collection.remove(item)}"
            android:src="@drawable/ic_action_delete_black" />

        <TextView
            android:id="@+id/public_key_label"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/peer_title"
            android:labelFor="@+id/public_key_text"
            android:text="@string/public_key" />

        <EditText
            android:id="@+id/public_key_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/public_key_label"
            android:inputType="textNoSuggestions|textVisiblePassword"
            android:text="@={item.publicKey}"
            app:filter="@{KeyInputFilter.newInstance()}" />

        <TextView
            android:id="@+id/pre_shared_key_label"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/public_key_text"
            android:labelFor="@+id/pre_shared_key_text"
            android:text="@string/pre_shared_key" />

        <EditText
            android:id="@+id/pre_shared_key_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/pre_shared_key_label"
            android:hint="@string/hint_optional"
            android:inputType="textNoSuggestions|textVisiblePassword"
            android:text="@={item.preSharedKey}" />

        <TextView
            android:id="@+id/allowed_ips_label"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/pre_shared_key_text"
            android:labelFor="@+id/allowed_ips_text"
            android:text="@string/allowed_ips" />

        <EditText
            android:id="@+id/allowed_ips_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/allowed_ips_label"
            android:inputType="textNoSuggestions|textVisiblePassword"
            android:text="@={item.allowedIPs}" />

        <TextView
            android:id="@+id/endpoint_label"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentStart="true"
            android:layout_below="@+id/allowed_ips_text"
            android:layout_toStartOf="@+id/persistent_keepalive_label"
            android:labelFor="@+id/endpoint_text"
            android:text="@string/endpoint" />

        <EditText
            android:id="@+id/endpoint_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentStart="true"
            android:layout_below="@+id/endpoint_label"
            android:layout_toStartOf="@+id/persistent_keepalive_text"
            android:inputType="textNoSuggestions|textVisiblePassword"
            android:text="@={item.endpoint}" />

        <TextView
            android:id="@+id/persistent_keepalive_label"
            android:layout_width="96dp"
            android:layout_height="wrap_content"
            android:layout_alignBaseline="@+id/endpoint_label"
            android:layout_alignParentEnd="true"
            android:labelFor="@+id/persistent_keepalive_text"
            android:text="@string/persistent_keepalive" />

        <EditText
            android:id="@+id/persistent_keepalive_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignBaseline="@+id/endpoint_text"
            android:layout_alignParentEnd="true"
            android:layout_alignStart="@+id/persistent_keepalive_label"
            android:hint="@string/hint_optional"
            android:inputType="number"
            android:text="@={item.persistentKeepalive}"
            android:textAlignment="center" />
    </RelativeLayout>
</layout>