DroidFS/app/src/main/res/layout/dialog_edit_text.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <EditText
        android:id="@+id/dialog_edit_text"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:inputType="text"
        android:layout_marginHorizontal="30dp"
        android:imeOptions="actionDone">
        <requestFocus/>
    </EditText>

</LinearLayout>