misp-bump/app/src/main/res/layout/activity_exchange.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/rootLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorPrimaryDark">

    <FrameLayout
        android:id="@+id/fragmentContainer"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"/>

    <LinearLayout
        android:animateLayoutChanges="true"
        android:orientation="vertical"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginTop="25dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        android:gravity="center"
        app:layout_constraintBottom_toTopOf="@id/navbar_bottom">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:id="@+id/qrFrame"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="32dp"
            android:layout_marginEnd="32dp"
            android:layout_marginBottom="16dp"
            android:background="@drawable/rect_rounded"
            android:backgroundTint="@color/white_80"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toTopOf="@id/navbar_bottom">

            <TextView
                android:id="@+id/qrContentInfo"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/public_key"
                android:textAlignment="center"
                android:textAppearance="@style/TextAppearance.MaterialComponents.Body1"
                android:textColor="@color/black"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/qrCode"/>

            <ImageButton
                android:id="@+id/qrInfoButton"
                android:layout_width="48dp"
                android:layout_height="48dp"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:src="@drawable/ic_info_outline"
                android:tint="@color/black"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"/>

            <ImageView
                android:id="@+id/qrCode"
                android:layout_width="0dp"
                android:layout_height="0dp"
                android:layout_marginStart="12dp"
                android:layout_marginTop="12dp"
                android:layout_marginEnd="12dp"
                android:src="@color/white"
                app:layout_constraintBottom_toTopOf="@+id/qrInfoButton"
                app:layout_constraintDimensionRatio="1:1"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"/>
        </androidx.constraintlayout.widget.ConstraintLayout>

        <LinearLayout
            android:id="@+id/scanFeedbackView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="32dp"
            android:layout_marginEnd="32dp"
            android:layout_marginBottom="16dp"
            android:background="@drawable/rect_rounded"
            android:backgroundTint="@color/white_80">

            <TextView
                android:id="@+id/scanFeedbackText"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:padding="16dp"
                android:drawableStart="@drawable/ic_check_outline"
                android:drawableTint="@color/status_green"
                android:drawablePadding="8dp"
                android:textAppearance="@style/TextAppearance.MaterialComponents.Body2"
                android:gravity="center_vertical"
                tools:text="Public key received"/>
        </LinearLayout>

        <LinearLayout
            android:visibility="gone"
            android:id="@+id/continueHint"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="32dp"
            android:layout_marginEnd="32dp"
            android:background="@drawable/rect_rounded"
            android:backgroundTint="@color/white">

            <TextView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:padding="16dp"
                android:drawableStart="@drawable/ic_info_outline"
                android:drawableTint="@color/status_amber"
                android:drawablePadding="8dp"
                android:textAppearance="@style/TextAppearance.MaterialComponents.Body2"
                android:gravity="center_vertical"
                android:text="Continue if your partner scanned this QR code"/>
        </LinearLayout>
    </LinearLayout>

    <LinearLayout
        android:id="@+id/navbar_bottom"
        android:layout_width="0dp"
        android:layout_height="56dp"
        android:background="@drawable/rect_rounded_top"
        android:backgroundTint="@color/colorPrimary"
        android:orientation="horizontal"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <ImageButton
            android:id="@+id/prevButton"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:contentDescription="@string/button_prev"
            android:padding="8dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:srcCompat="@drawable/ic_arrow_back"/>

        <TextView
            android:visibility="invisible"
            android:id="@+id/hint"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_marginStart="8dp"
            android:layout_marginEnd="8dp"
            android:layout_weight="1"
            android:text="Scan each others QR codes"
            android:textAlignment="center"
            android:textAppearance="@style/TextAppearance.MaterialComponents.Body1"
            android:textColor="@color/white"/>

        <ImageButton
            android:id="@+id/nextButton"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:contentDescription="@string/button_continue"
            android:padding="8dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:srcCompat="@drawable/ic_arrow_forward"/>
    </LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>