【 execution method 】
1.The Execute button is pushed.
2.Because transmitting the common dialog is displayed when the Excel file making is completed, it is possible to transmit by selecting mail.
Because the number list is made for/sdcard/contacts_list folder, mail can be transmitted later without transmitting mail here.
The made file name becomes YYYYMMDD-HHMMSSSSSMusicList.xls.
3.The application program ends if the OK button of the dialog screen is pushed.