Já reiniciei, limpei o cache e só fica nesse erro. Alguém sabe como resolver ?
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ListView
android:id="@+id/activity_main_lista_de_alunos"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</ListView>
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/activity_main_fab_novo_aluno"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_alignParentBottom="true"
android:layout_marginEnd="16dp"
android:layout_marginBottom="16dp"
android:clickable="true"
android:contentDescription="add_new_student_description"
android:focusable="true"
android:src="@drawable/ic_action_novo_aluno"
app:backgroundTint="#E91E63" />
</RelativeLayout>
