title: TimePickerDialog doesn't show properly in Android 6
body: <p>i'm using DatePickerDialog to select time on my app. When I run my app on a device with Android 5 as OS the dialog shows properly, meanwhile if i run my app on a device with Android 6 this is what the dialog looks like:</p>
  
  <p><a href="https://i.stack.imgur.com/WTOcm.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/WTOcm.jpg" alt="enter image description here"></a></p>
  
  <p>Could someone help me?</p>