Superb - thank you :) On Mar 1, 5:31 pm, Mark Murphy <[email protected]> wrote: > Anna PS wrote: > > Nothing, really. I just want to upload a file in the background, with > > an icon in the status bar, and update the icon when the upload is > > complete. > > > I might possibly want to call the main application back again when the > > upload is complete or if there is a problem, but I don't expect to use > > the Service for anything else. > > > Does that sound OK? So the most communication I would need is (i) pass > > a filename to the Service, and (ii) go back to the main application > > once the upload is complete. > > In which case, do the following: > > Step #1: Implement your Service as a subclass of IntentService. > IntentService handles the whole background thread thing for you, so you > will not need an AsyncTask. > > Step #2: Put your file-upload logic in onHandleIntent() in your > IntentService subclass. > > Step #3: When you have something to upload, create an Intent that > identifies the service (e.g., new Intent(this, MyService.class);) and > put a string extra on it (via putExtra()) that contains the thing to upload. > > Step #4: Call startService() with the Intent from Step #3. > > Step #5: In onHandleIntent(), you are passed the Intent, so you can call > getStringExtra() to get the value and use it. > > Step #6: There is no step #6. Your service will automatically shut down > when there is nothing more to upload, and it will be restarted > automatically if another upload is required. > > -- > Mark Murphy (a Commons > Guy)http://commonsware.com|http://twitter.com/commonsguy > > _Android Programming Tutorials_ Version 2.0 Available!
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