Creating a DialogFragment
When using an AlertDialog, it is a good idea to wrap it in an instance of DialogFragment, a subclass of Fragment. It is possible to display an AlertDialog without a DialogFragment, but it is not recommended. Having the dialog managed by the FragmentManager gives you more options for presenting the dialog.
In addition, a bare AlertDialog will vanish if the device is rotated. On the other hand, if the AlertDialog is wrapped in a fragment, then the dialog will be re-created and put on screen after rotation.
For CriminalIntent, you are going to create a DialogFragment subclass named DatePickerFragment. Within DatePickerFragment, you will create and configure an instance of AlertDialog that displays a DatePicker ...
Get Android Programming: The Big Nerd Ranch Guide, 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
