I am using Google Drive Android API sample and in that sample i am able to create file and folder in Drive but if i want to monitor change events for a file which is cretaed by this app then it is not working.
https://github.com/googledrive/android-demos in this sample there is one activity to receive notfiications for change event in a file, which is not working.
I am not seeing any notification when i changed metadata of selected file from web.
Changes from the web are not instantaneously reflected on the device. You will get notified when the device finds out about the change.
You can speed up that process by calling requestSync.
来源：https://stackoverflow.com/questions/22980497/google-drive-android-api-change-notifications-not-working