Hunger Orchester ihr android spinner hint Raffinerie Verbraucher Verzeichnis
Material Spinner (Combo Box) for Android | by Miloš Černilovský | Geek Culture | Medium
Android: Spinner add hint and avoid initial call trick – SATURN RING STATION
Unable to add hint in android spinner - Stack Overflow
GitHub - srodrigo/Android-Hint-Spinner: A hint spinner that allows showing a hint, similar to the HTML Select <option value="">Select your option</option>