menu_buttons.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"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <View
        android:id="@+id/view2"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginStart="4dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="4dp"
        android:layout_marginBottom="4dp"
        android:alpha="0.85"
        android:background="@drawable/background_round"
        android:elevation="2dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/info_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="32dp"
        android:layout_marginEnd="24dp"
        android:backgroundTint="@android:color/white"
        app:backgroundTint="?colorPrimary"
        app:layout_constraintBottom_toBottomOf="@+id/help_button"
        app:layout_constraintEnd_toStartOf="@+id/help_button"
        app:layout_constraintStart_toStartOf="parent"
        app:srcCompat="@drawable/infobutton"
        app:tint="?colorPrimary" />

    <TextView
        android:id="@+id/info_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:layout_marginBottom="16dp"
        android:elevation="4dp"
        android:text="Info"
        android:textAllCaps="true"
        android:textColor="?colorPrimary"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="@+id/info_button"
        app:layout_constraintStart_toStartOf="@+id/info_button"
        app:layout_constraintTop_toBottomOf="@+id/info_button" />

    <ImageButton
        android:id="@+id/help_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/ayuda"
        android:elevation="4dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

  <TextView
        android:id="@+id/help_text"
        android:layout_width="wrap_content"
        android:layout_height="0dp"
        android:background="?selectableItemBackground"
        android:elevation="4dp"
        android:gravity="bottom"
        android:paddingStart="8dp"
        android:paddingEnd="8dp"
        android:text="Ayudenme"
        android:textAllCaps="true"
        android:textColor="#FD5C7F"
        android:textStyle="bold"
        app:layout_constraintBottom_toBottomOf="@+id/info_text"
        app:layout_constraintEnd_toEndOf="@+id/help_button"
        app:layout_constraintStart_toStartOf="@+id/help_button"
        app:layout_constraintTop_toTopOf="@+id/help_button" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/fav_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="24dp"
        android:layout_marginEnd="32dp"
        android:backgroundTint="@android:color/white"
        app:backgroundTint="?colorPrimary"
        app:layout_constraintBottom_toBottomOf="@+id/help_button"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/help_button"
        app:srcCompat="@drawable/pendientesbutton"
        app:tint="?colorPrimary" />

    <TextView
        android:id="@+id/favs_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:elevation="4dp"
        android:text="Pendientes"
        android:textAllCaps="true"
        android:textColor="?colorPrimary"
        app:layout_constraintEnd_toEndOf="@+id/fav_button"
        app:layout_constraintStart_toStartOf="@+id/fav_button"
        app:layout_constraintTop_toBottomOf="@+id/fav_button" />

</androidx.constraintlayout.widget.ConstraintLayout>