Layout file for the send key activity of the Chirp Tutorial app

activity_send.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:id="@+id/container_send_key"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorPrimaryDark"
    tools:context=".activity.SendActivity">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="24dp"
        android:layout_marginTop="32dp"
        android:text="@string/send_key"
        android:textColor="@color/textColor"
        android:textSize="40sp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/textInputLayout"
        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="32dp"
        android:layout_marginEnd="32dp"
        android:layout_marginBottom="8dp"
        android:hint="@string/key"
        android:textColorHint="@android:color/white"
        app:boxStrokeColor="@color/colorAccent"
        app:boxStrokeWidth="2dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textView"
        app:layout_constraintVertical_bias="0.4">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/et_key"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:inputType="text"
            android:paddingStart="24dp"
            android:paddingEnd="24dp"
            android:textColorHint="@android:color/white"
            android:textColor="@color/colorAccent" />
    </com.google.android.material.textfield.TextInputLayout>

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_send_key"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="64dp"
        android:backgroundTint="@color/colorAccent"
        android:paddingStart="64dp"
        android:paddingTop="12dp"
        android:paddingEnd="64dp"
        android:paddingBottom="12dp"
        android:text="@string/send"
        android:textColor="@color/colorPrimaryDark"
        app:layout_constraintEnd_toEndOf="@+id/textInputLayout"
        app:layout_constraintStart_toStartOf="@+id/textInputLayout"
        app:layout_constraintTop_toBottomOf="@+id/textInputLayout" />

</androidx.constraintlayout.widget.ConstraintLayout>