wulkanowy-mod/app/src/main/res/layout/dialog_account_edit.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="wrap_content"
    android:layout_height="wrap_content">

    <View
        android:layout_width="280dp"
        android:layout_height="1dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/accountEditDetailsHeader"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="24dp"
        android:layout_marginTop="24dp"
        android:layout_marginEnd="24dp"
        android:text="@string/account_edit_header"
        android:textSize="21sp"
        android:textStyle="bold"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/accountEditDetailsNick"
        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="24dp"
        android:layout_marginTop="28dp"
        android:layout_marginEnd="24dp"
        android:hint="@string/account_edit_nick_hint"
        app:endIconMode="clear_text"
        app:errorEnabled="true"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/accountEditDetailsHeader">

        <requestFocus />

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/accountEditDetailsNickText"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:inputType="textPersonName"
            android:maxLength="20" />
    </com.google.android.material.textfield.TextInputLayout>

    <com.google.android.material.button.MaterialButton
        android:id="@+id/accountEditDetailsSave"
        style="@style/Widget.MaterialComponents.Button.TextButton.Dialog"
        android:layout_width="88dp"
        android:layout_height="36dp"
        android:layout_marginTop="36dp"
        android:layout_marginEnd="8dp"
        android:layout_marginBottom="8dp"
        android:insetLeft="0dp"
        android:insetTop="0dp"
        android:insetRight="0dp"
        android:insetBottom="0dp"
        android:text="@string/all_save"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@id/accountEditDetailsNick" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/accountEditDetailsCancel"
        style="@style/Widget.MaterialComponents.Button.TextButton.Dialog"
        android:layout_width="88dp"
        android:layout_height="36dp"
        android:layout_marginTop="36dp"
        android:layout_marginEnd="8dp"
        android:layout_marginBottom="8dp"
        android:insetLeft="0dp"
        android:insetTop="0dp"
        android:insetRight="0dp"
        android:insetBottom="0dp"
        android:text="@android:string/cancel"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@id/accountEditDetailsSave"
        app:layout_constraintTop_toBottomOf="@id/accountEditDetailsNick" />
</androidx.constraintlayout.widget.ConstraintLayout>