Some questions about GcmTaskService
问题 Background I wanted to use the new JobScheduler API that was presented on Lollipop, but sadly it doesn't have an official port for pre-Lollipop. However, there is the GcmTaskService, which provides very similar functionalities. The problem This API is quite new, so there are very few places to look for information of how to use it (here and here, for example). The questions I have a few questions about this new API : It seems that it requires Google Play Services (here) to be used (except for