Magisk/app/src/main/res/layout/custom_channel_dialog.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"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="@dimen/margin_generic">

    <com.google.android.material.textfield.TextInputLayout
        style="@style/Widget.MaterialComponents.TextInputLayout.FilledBox.Dense"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="@string/settings_update_custom_msg"
        app:hintEnabled="true">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/custom_url"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:inputType="textUri" />

    </com.google.android.material.textfield.TextInputLayout>

</LinearLayout>