private void tryNotifyDateSet() {
   if (mCallBack != null) {
     mDatePicker.clearFocus();
     mCallBack.onDateSet(
         mDatePicker, mDatePicker.getYear(), mDatePicker.getMonth(), mDatePicker.getDayOfMonth());
   }
 }
 public void onDateSet(DatePicker datePicker, long date, int year, int month, int day) {
   if (mOnDateSetListener == null || mOnDateSetListener.onDateSet(this, date, year, month, day)) {
     persistLong(date);
   }
 }
 public void onClick(DialogInterface dialog, int which) {
   // Log.v("cola","U click which="+which);
   text = edit.getText().toString();
   Log.v("cola", "U click text=" + text);
   if (mCallback != null) mCallback.onDateSet(text);
 }