<?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:background="@color/black"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_1"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:text="1"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_2"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:text="2"
        android:layout_marginStart="1dp"
        app:layout_constraintStart_toEndOf="@+id/btn_1"
        app:layout_constraintTop_toTopOf="parent"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_3"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:text="3"
        android:layout_marginStart="1dp"
        app:layout_constraintStart_toEndOf="@+id/btn_2"
        app:layout_constraintTop_toTopOf="parent"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_4"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:text="4"
        android:layout_marginStart="1dp"
        app:layout_constraintStart_toEndOf="@+id/btn_3"
        app:layout_constraintTop_toTopOf="parent"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_5"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:text="5"
        android:layout_marginStart="1dp"
        app:layout_constraintStart_toEndOf="@+id/btn_4"
        app:layout_constraintTop_toTopOf="parent"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:background="@drawable/selector_number_input"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:layout_marginStart="1dp"
        app:layout_constraintStart_toEndOf="@+id/btn_5"
        app:layout_constraintTop_toTopOf="parent"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_6"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:layout_marginTop="1dp"
        android:text="6"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_1"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_7"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:layout_marginTop="1dp"
        android:text="7"
        android:layout_marginStart="1dp"
        app:layout_constraintStart_toEndOf="@+id/btn_6"
        app:layout_constraintTop_toBottomOf="@+id/btn_1"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_8"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:layout_marginTop="1dp"
        android:text="8"
        android:layout_marginStart="1dp"
        app:layout_constraintStart_toEndOf="@+id/btn_7"
        app:layout_constraintTop_toBottomOf="@+id/btn_1"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_9"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:layout_marginTop="1dp"
        android:text="9"
        android:layout_marginStart="1dp"
        app:layout_constraintStart_toEndOf="@+id/btn_8"
        app:layout_constraintTop_toBottomOf="@+id/btn_1"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/btn_0"
        android:background="@drawable/selector_number_input"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:layout_marginTop="1dp"
        android:text="0"
        android:layout_marginStart="1dp"
        app:layout_constraintStart_toEndOf="@+id/btn_9"
        app:layout_constraintTop_toBottomOf="@+id/btn_1"/>
    <Button
        android:textSize="48sp"
        android:textStyle="bold"
        android:textColor="@color/white"
        android:gravity="center"
        android:id="@+id/iv_del"
        android:background="@drawable/selector_number_input"
        android:paddingTop="25dp"
        android:paddingBottom="25dp"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:clickable="true"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:layout_marginTop="1dp"
        android:drawableTop="@mipmap/icon_del"
        android:layout_marginStart="1dp"
        android:paddingVertical="25dp"
        app:layout_constraintStart_toEndOf="@+id/btn_0"
        app:layout_constraintTop_toBottomOf="@+id/btn_1"/>
</androidx.constraintlayout.widget.ConstraintLayout>