<?xml version="1.0" encoding="utf-8"?><!--
  ~ Copyright (C) 2024 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:theme="@style/Theme.SystemUI.Dialog"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <!-- Negative Button, reserved for app -->
    <Button
        android:id="@+id/button_negative"
        style="@style/AuthCredentialNegativeButtonStyle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:layout_marginStart="24dp"
        android:layout_marginBottom="8dp"
        android:visibility="invisible"
        app:layout_constrainedWidth="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="@id/button_center_guideline"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent" />

    <!-- Cancel Button, replaces negative button when biometric is accepted -->
    <Button
        android:id="@+id/button_cancel"
        style="@style/AuthCredentialNegativeButtonStyle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:layout_marginStart="24dp"
        android:layout_marginBottom="8dp"
        android:text="@string/cancel"
        android:visibility="invisible"
        app:layout_constrainedWidth="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="@id/button_center_guideline"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent" />

    <!-- "Use Credential" Button, replaces if device credential is allowed -->
    <Button
        android:id="@+id/button_use_credential"
        style="@style/AuthCredentialNegativeButtonStyle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:layout_marginStart="24dp"
        android:layout_marginBottom="8dp"
        android:visibility="invisible"
        app:layout_constrainedWidth="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="@id/button_center_guideline"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent" />

    <!-- Positive Button -->
    <Button
        android:id="@+id/button_confirm"
        style="@style/Widget.Dialog.Button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:layout_marginEnd="24dp"
        android:layout_marginBottom="8dp"
        android:text="@string/biometric_dialog_confirm"
        android:visibility="invisible"
        app:layout_constrainedWidth="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintStart_toStartOf="@id/button_center_guideline" />

    <!-- Try Again Button -->
    <Button
        android:id="@+id/button_try_again"
        style="@style/Widget.Dialog.Button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:layout_marginEnd="24dp"
        android:layout_marginBottom="8dp"
        android:text="@string/biometric_dialog_try_again"
        android:visibility="invisible"
        app:layout_constrainedWidth="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintStart_toStartOf="@id/button_center_guideline" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/button_center_guideline"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.5" />

</androidx.constraintlayout.widget.ConstraintLayout>