Spin the wheel - Random Number Picker

number picker I added a NumberPicker to my layout and debugged my app. Now I see that the NumberPicker doesn´t work, I can´t see any + or - button and also when I click on a number on my. I wanted to customize number picker selection divider. I created custom drawable to be used for number picker selection divider. I created custom material style inheriting

number9, The Random Number Picker..