I solved this by using:
app:tint="@color/COLOR_OF_ICON"
and NOT:
android:tint="@color/COLOR_OF_ICON"
Reference: https://github.com/material-components/material-components-android/blob/master/docs/components/FloatingActionButton.md
I solved this by using:
app:tint="@color/COLOR_OF_ICON"
and NOT:
android:tint="@color/COLOR_OF_ICON"
Reference: https://github.com/material-components/material-components-android/blob/master/docs/components/FloatingActionButton.md