detailactivity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_margin="16dp"
    android:orientation="vertical"
    tools:context=".DetailActivity">

    <TextView
        android:id="@+id/textDeepLink"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="DeepLink:"
        android:textSize="18sp"
        android:textStyle="bold" />

    <TextView
        android:id="@+id/deepLink"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

        <TextView
        android:id="@+id/textMessage"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="message:"
        android:textSize="18sp"
        android:textStyle="bold" />

    <TextView
        android:id="@+id/message"
        android:layout_width="match_parent"
        android:layout_height="80dp" />

</LinearLayout>