LibreTube/app/src/main/res/layout/activity_nointernet.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:id="@+id/noInternet_settingsImageView"
        android:layout_width="33dp"
        android:layout_height="33dp"
        android:layout_margin="16dp"
        android:background="?attr/selectableItemBackgroundBorderless"
        android:padding="3dp"
        android:src="@drawable/ic_settings"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:id="@+id/noInternet_imageView"
        android:layout_width="200dp"
        android:layout_height="200dp"
        android:layout_marginTop="-50dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:srcCompat="@drawable/ic_no_wifi" />

    <TextView
        android:id="@+id/noInternet_textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/noInternet"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/noInternet_imageView" />

    <Button
        android:id="@+id/retry_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:text="@string/retry"
        android:textColor="?android:attr/colorBackground"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/noInternet_textView" />

</androidx.constraintlayout.widget.ConstraintLayout>