activity_passive_face_liveness.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:tools="http://schemas.android.com/tools"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <data>
        <import type="android.view.View"/>

        <variable
            name="viewModel"
            type="com.combateafraude.passivefaceliveness.controller.viewmodel.SDKViewModel" />

    </data>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        android:keepScreenOn="true">

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guidelineStart"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_percent="0.1" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guidelineEnd"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_percent="0.9" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guidelineTop"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guidelineStatus"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.7" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guidelineBottom"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.97" />


        <androidx.camera.view.PreviewView
            android:id="@id/cameraImageView"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:visibility="@{viewModel.cameraVisibility ? View.VISIBLE : View.GONE}"
            >

        </androidx.camera.view.PreviewView>

        <ImageView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:src="@{viewModel.previewBitMap}"
            android:visibility="@{viewModel.previewVisibility ? View.VISIBLE : View.GONE}">
        </ImageView>

        <ImageView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:adjustViewBounds="true"
            android:contentDescription="@string/photo_mask_caf"
            android:scaleType="fitXY"
            android:src="@{context.getDrawable(viewModel.maskLayout)}"
            android:visibility="@{viewModel.maskVisibility ? View.VISIBLE : View.GONE}" />

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:padding="10dp"
            android:adjustViewBounds="true"
            android:contentDescription="@string/close_caf"
            android:onClick="@{() -> viewModel.close()}"
            android:src="@drawable/ic_back_caf"
            app:layout_constraintStart_toStartOf="@id/guidelineStart"
            app:layout_constraintTop_toTopOf="@id/guidelineTop" />

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:padding="10dp"
            android:adjustViewBounds="true"
            android:contentDescription="@string/switch_camera"
            android:onClick="@{() -> viewModel.switchCamera()}"
            android:src="@drawable/ic_camera_switch"
            android:visibility="@{viewModel.switchCameraButtonVisibility ? View.VISIBLE : View.GONE}"
            app:layout_constraintEnd_toEndOf="@id/guidelineEnd"
            app:layout_constraintTop_toTopOf="@id/guidelineTop" />

        <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="16dp"
            android:visibility="@{viewModel.manualCaptureButtonVisibility ? View.VISIBLE : View.GONE}"
            android:onClick="@{() -> viewModel.takePhoto()}"
            app:layout_constraintStart_toStartOf="@id/guidelineStart"
            app:layout_constraintEnd_toEndOf="@id/guidelineEnd"
            app:layout_constraintTop_toTopOf="@id/guidelineStatus"
            android:contentDescription="@string/take_picture"
            app:backgroundTint="?attr/colorPrimary"
            app:tint="#FFF"
            app:srcCompat="@drawable/ic_camera_caf"/>

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:visibility="@{viewModel.statusVisibility ? View.VISIBLE : View.GONE}"
            app:layout_constraintStart_toStartOf="@id/guidelineStart"
            app:layout_constraintEnd_toEndOf="@id/guidelineEnd"
            app:layout_constraintTop_toTopOf="@id/guidelineStatus">

            <TextView
                android:id="@+id/statusMessage"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:background="@drawable/bg_radius_caf"
                android:gravity="center_horizontal"
                android:lineSpacingExtra="7sp"
                android:padding="10dp"
                android:layout_marginTop="10dp"
                android:textAlignment="center"
                android:textColor="#606060"
                android:textSize="15sp"
                android:textStyle="bold"
                android:text="@{viewModel.statusMessage}"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <ImageView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="@drawable/triangle_caf"
                android:rotation="270"
                android:adjustViewBounds="true"
                android:contentDescription="@string/nothing_caf"
                app:layout_constraintEnd_toEndOf="@id/statusMessage"
                app:layout_constraintStart_toStartOf="@id/statusMessage"
                app:layout_constraintTop_toTopOf="@id/statusMessage"
                app:layout_constraintBottom_toTopOf="@id/statusMessage" />

        </androidx.constraintlayout.widget.ConstraintLayout>

        <TextView
            android:id="@+id/tvCurrentStepName"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintBottom_toTopOf="@id/tvPreviousStepName"
            app:layout_constraintStart_toStartOf="@id/guidelineStart"
            app:layout_constraintEnd_toEndOf="@id/guidelineEnd"
            android:layout_marginBottom="5dp"
            android:textSize="18sp"
            android:textColor="#ffffff"
            android:letterSpacing="0.06"
            android:text="@{viewModel.currentStepName}"
            android:gravity="center_horizontal" />

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:adjustViewBounds="true"
            android:visibility="@{viewModel.currentStepDone ? View.VISIBLE : View.GONE}"
            android:contentDescription="@string/check_caf"
            app:layout_constraintTop_toTopOf="@id/tvCurrentStepName"
            app:layout_constraintBottom_toBottomOf="@id/tvCurrentStepName"
            app:layout_constraintEnd_toStartOf="@id/tvCurrentStepName"
            android:layout_marginEnd="8dp"
            android:src="@drawable/ic_check_caf" />

        <TextView
            android:id="@+id/tvPreviousStepName"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintStart_toStartOf="@id/guidelineStart"
            app:layout_constraintEnd_toEndOf="@id/guidelineEnd"
            app:layout_constraintBottom_toBottomOf="@id/guidelineBottom"
            android:textSize="16sp"
            android:textColor="#66FFFFFF"
            android:letterSpacing="0.06"
            android:text="@{viewModel.previousStepName}"
            android:gravity="center_horizontal" />

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:adjustViewBounds="true"
            android:visibility="@{viewModel.previousStepDone ? View.VISIBLE : View.GONE}"
            android:contentDescription="@string/check_caf"
            app:layout_constraintTop_toTopOf="@id/tvPreviousStepName"
            app:layout_constraintBottom_toBottomOf="@id/tvPreviousStepName"
            app:layout_constraintEnd_toStartOf="@id/tvPreviousStepName"
            android:layout_marginEnd="8dp"
            android:alpha="0.4"
            android:src="@drawable/ic_check_caf" />

        <ProgressBar
            android:id="@+id/progressBar"
            android:layout_width="64dp"
            android:layout_height="64dp"
            android:indeterminate="true"
            android:indeterminateTint="?attr/colorPrimary"
            android:indeterminateTintMode="src_atop"
            android:visibility="@{viewModel.loadingStatus ? View.VISIBLE : View.GONE}"
            app:layout_constraintBottom_toBottomOf="@id/guidelineBottom"
            app:layout_constraintEnd_toEndOf="@id/guidelineEnd"
            app:layout_constraintStart_toStartOf="@id/guidelineStart"
            app:layout_constraintTop_toTopOf="@id/guidelineTop"
            app:layout_constraintVertical_bias="0.45" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>