SpreadsheetsService GoogleExcelService;
 GoogleExcelService =new SpreadsheetsService("Spreadsheet-Vikash-Test-App");
//Connect with Google Spreadsheet services using gmail credentials
 GoogleExcelService.setUserCredentials("mypost@gmail.com", "Pass123");

 SpreadsheetQuery query =new SpreadsheetQuery();
 SpreadsheetFeed myFeed = GoogleExcelService.Query(query);

 GoogleExcelService =new SpreadsheetsService("Spreadsheet-Vikash-Test-App");