DatePickerDialog Holo styling failed on Android 7 Nougat

Question

From our customer demand we want to keep the HOLO style on the DatePickerDialog for all Android OS version, sth like: DatePicker on Android 7-

But it seems to not to

Answer 1

In addition to the solution by savanto: As of API 28 Holo Light Theme is deprecated. If you target API 21 / Lollipop devices and newer you should use Material design styles, check this solution. I defined these styles and then linked to R.style.dlg_datePicker in the ContextThemeWrapper: