NetGuard/app/src/main/res/layout/forwardadd.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:orientation="vertical"
    android:padding="16dp"
    tools:context=".ActivityForwarding">

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

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:src="@drawable/ic_security_color_24dp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_marginLeft="8dp"
            android:layout_marginStart="8dp"
            android:text="@string/app_name"
            android:textAppearance="@style/TextLarge"
            android:textStyle="bold" />
    </LinearLayout>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:text="@string/setting_forwarding"
        android:textAppearance="@style/TextTitle" />

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:orientation="vertical">

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

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/title_protocol"
                android:textAppearance="@style/TextSmall" />

            <Spinner
                android:id="@+id/spProtocol"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:entries="@array/protocolNames"
                android:prompt="@string/title_protocol"
                android:textAppearance="@style/TextMedium" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:text="@string/title_dport"
                android:textAppearance="@style/TextSmall" />

            <EditText
                android:id="@+id/etDPort"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="53"
                android:inputType="number"
                android:textAppearance="@style/TextMedium" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:text="@string/title_raddr"
                android:textAppearance="@style/TextSmall" />

            <EditText
                android:id="@+id/etRAddr"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="127.0.0.1"
                android:inputType="text"
                android:textAppearance="@style/TextMedium" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:text="@string/title_rport"
                android:textAppearance="@style/TextSmall" />

            <EditText
                android:id="@+id/etRPort"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="5353"
                android:inputType="number"
                android:textAppearance="@style/TextMedium" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:text="@string/title_ruid"
                android:textAppearance="@style/TextSmall" />

            <ProgressBar
                android:id="@+id/pbRUid"
                style="@android:style/Widget.ProgressBar.Small"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:visibility="gone" />

            <Spinner
                android:id="@+id/spRUid"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:prompt="@string/title_ruid"
                android:textAppearance="@style/TextMedium"
                android:visibility="gone" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:text="@string/title_external"
                android:textAppearance="@style/TextSmall"
                android:textStyle="italic" />
        </LinearLayout>
    </ScrollView>
</LinearLayout>