app/src/main/res/layout/panoramagl.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="match_parent"
android:layout_height="match_parent"
tools:context=".PanoramaActivity">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/content_Panorama_relativeLayout"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<ImageButton
android:id="@+id/leftImage_Panorama_imageButton"
android:layout_width="48dp"
android:layout_height="43dp"
android:contentDescription="@string/leftButtonDescription_Panorama"
android:onClick="goLeft"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.1"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.95"
android:background="@drawable/style_secondary"
app:srcCompat="@drawable/ic_arrow_backward" />
<ImageButton
android:id="@+id/rightImage_Panorama_imageButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:contentDescription="@string/rightButtonDescription_Panorama"
android:onClick="goRight"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.9"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.95"
android:background="@drawable/style_secondary"
app:srcCompat="@drawable/ic_arrow_forward" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.constraintlayout.widget.ConstraintLayout>