Walles wrote: > I want to know if my device is currently charging. > > How do I find that out? I've been looking a bit at the Intents API, > but AFAIU I can just subscribe to events from there, and a > subscription is not what I'm after. And even if I *did* want updates, > I'd still need to know the initial state. > > I just want to ask a one-shot "are we charging" question. How can I > do that?
Register for the broadcast Intent with a null receiver. If you get a non-null return value, then that return value is an Intent from the last "sticky broadcast" matching your supplied IntentFilter. I believe the battery updates are such a sticky broadcast. By passing null for the receiver, you do not actually register a receiver and so do not need to unregister anything later. For more instructions on this, look up registerReceiver() in the Context class (which is a base class for Activity, Service, etc.). -- Mark Murphy (a Commons Guy) http://commonsware.com | http://twitter.com/commonsguy _The Busy Coder's Guide to *Advanced* Android Development_ Version 1.1 Available! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
