i am new to IOS development ,IOS 8 have app extension feature, i have gone through Apple document ,i got some idea what is app extension but i want do sample non UI action extension app example. i tried ui based extension app ,it's working fine.and also i tried non ui base app but it not working. please can any one explain non ui extension with sample code.
just take simple case Host app will send x and y values to extension , extension need to receive that two values and do some manipulation in extension app and send result to host app and host need to display on ui.
