MapLibreParticleLab/android/java/MapboxGLAndroidSDKTestApp/src/main/res/layout/fragment_main.xml

<?xml version="1.0" encoding="utf-8"?>
<com.mapbox.mapboxgl.views.MapView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />