Signal-Android/app/src/main/res/layout/verification_code_view.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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center"
    android:layoutDirection="ltr"
    tools:viewBindingIgnore="true">

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/container_zero"
        style="@style/Widget.Signal.TextInputLayout.Registration"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:errorEnabled="false"
        app:hintEnabled="false"
        app:layout_constraintDimensionRatio="w,1:1"
        app:layout_constraintEnd_toStartOf="@+id/container_one"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/code_zero"
            android:layout_width="48dp"
            android:layout_height="56dp"
            android:layout_gravity="center"
            android:gravity="center"
            android:importantForAccessibility="yes"
            android:padding="0dp"
            android:textSize="16sp"
            tools:text="0" />

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

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/container_one"
        style="@style/Widget.Signal.TextInputLayout.Registration"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="4dp"
        app:errorEnabled="false"
        app:hintEnabled="false"
        app:layout_constraintDimensionRatio="w,1:1"
        app:layout_constraintEnd_toStartOf="@+id/container_two"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/container_zero"
        app:layout_constraintTop_toTopOf="parent">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/code_one"
            android:layout_width="48dp"
            android:layout_height="56dp"
            android:layout_gravity="center"
            android:gravity="center"
            android:importantForAccessibility="yes"
            android:padding="0dp"
            android:textAppearance="@style/Signal.Text.BodyLarge"
            tools:text="1" />

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

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/container_two"
        style="@style/Widget.Signal.TextInputLayout.Registration"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="4dp"
        app:errorEnabled="false"
        app:hintEnabled="false"
        app:layout_constraintDimensionRatio="w,1:1"
        app:layout_constraintEnd_toStartOf="@+id/separator"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/container_one"
        app:layout_constraintTop_toTopOf="parent">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/code_two"
            android:layout_width="48dp"
            android:layout_height="56dp"
            android:layout_gravity="center"
            android:gravity="center"
            android:importantForAccessibility="yes"
            android:padding="0dp"
            android:textAppearance="@style/Signal.Text.BodyLarge"
            tools:text="2" />

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

    <TextView
        android:id="@+id/separator"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginStart="4dp"
        android:importantForAccessibility="no"
        android:text="-"
        android:textSize="28sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/container_three"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/container_two"
        app:layout_constraintTop_toTopOf="parent"
        tools:ignore="HardcodedText" />

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/container_three"
        style="@style/Widget.Signal.TextInputLayout.Registration"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="4dp"
        app:errorEnabled="false"
        app:hintEnabled="false"
        app:layout_constraintDimensionRatio="w,1:1"
        app:layout_constraintEnd_toStartOf="@+id/container_four"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/separator"
        app:layout_constraintTop_toTopOf="parent">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/code_three"
            android:layout_width="48dp"
            android:layout_height="56dp"
            android:layout_gravity="center"
            android:gravity="center"
            android:importantForAccessibility="yes"
            android:padding="0dp"
            android:textAppearance="@style/Signal.Text.BodyLarge"
            tools:text="3" />

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

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/container_four"
        style="@style/Widget.Signal.TextInputLayout.Registration"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="4dp"
        app:errorEnabled="false"
        app:hintEnabled="false"
        app:layout_constraintDimensionRatio="w,1:1"
        app:layout_constraintEnd_toStartOf="@+id/container_five"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/container_three"
        app:layout_constraintTop_toTopOf="parent">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/code_four"
            android:layout_width="48dp"
            android:layout_height="56dp"
            android:layout_gravity="center"
            android:gravity="center"
            android:importantForAccessibility="yes"
            android:padding="0dp"
            android:textAppearance="@style/Signal.Text.BodyLarge"
            tools:text="4" />

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

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/container_five"
        style="@style/Widget.Signal.TextInputLayout.Registration"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="4dp"
        app:errorEnabled="false"
        app:hintEnabled="false"
        app:layout_constraintDimensionRatio="w,1:1"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/container_four"
        app:layout_constraintTop_toTopOf="parent">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/code_five"
            android:layout_width="48dp"
            android:layout_height="56dp"
            android:layout_gravity="center"
            android:gravity="center"
            android:padding="0dp"
            android:textAppearance="@style/Signal.Text.BodyLarge"
            tools:text="5" />

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

</androidx.constraintlayout.widget.ConstraintLayout>