Cacher is the code snippet organizer for pro developers

public static class TimePickerFragment extends DialogFragment
          implements TimePickerDialog.OnTimeSetListener {

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
      return new TimePickerDialog(getActivity(), this, 0, 0, true);
    }

    @Override
    public void onTimeSet(TimePicker timePicker, int i, int i1) {
      new AlertDialog.Builder(getActivity()).setTitle("警告")
              .setMessage("")
              .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {

                }
              })
              .setNegativeButton("放弃", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {

                }
              }).create().show();
    }
  }

DialogFragment newFragment = new TimePickerFragment();
newFragment.show(getFragmentManager(), "datePicker");