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Feb. 25th, 2009

Hello! I just received my Developer G1 and have been playing around with it for a couple hours. I'm about to crash (long day...) but I wanted to ask a couple questions that have already popped up:

1) I don't see to have the Amazon MP3 store on my phone. And I haven't been able to find it in the Marketplace to download. What gives?

2) How do you "quit" an application that has behavior that lasts after you "exit" the UI for that app? I hope there's a way to manage that so you're not left just hoping that every single developer of every app you install has gotten it right.

Thanks! :)

Comments

( 11 comments — Leave a comment )
xerxesqados
Feb. 26th, 2009 06:41 am (UTC)
I can answer the second question, at least. The hard "back" button, when pressed enough, will take you back to the Home screen. At this point, an application is supposed to quit. If it doesn't, use your built in GPS to locate the app's developer and smack them in the face.

Perhaps the first program you write for us can be a task manager that can kill processes without root access? Pleeeeeease?
infinitevoid
Feb. 26th, 2009 12:01 pm (UTC)
Hmm. I'm pretty sure that one of the selling points of the G1 is the ability to have multiple apps "running" and checking for updates. So I can get notifications from my e-mail client that I've got new mail, from my chat client that I've got new IMs, and from my Twitter client that there are new tweets to be read.

Which leads me to believe that apps *don't* always quit when you return to the home screen?

xerxesqados
Feb. 26th, 2009 05:10 pm (UTC)
Well, yes, some apps don't quit when you back out to the Home screen, but these are usually the apps which can't even be opened.

I just tested this to confirm I wasn't crazy. The Gmail app and Messaging app are both not currently running according to my System Monitor after pressing the Back button to exit them, but when using the Home button, they remain running. It's easy to tell because when just hitting the home button, then going back to the app, they load up slightly faster.

The reason I'm still getting notifications is because those apps are handled by com.google.process.gapps. Or at least I'd assume, it could be android.process.acore or one of the other always-running processes.

Ideally, this isn't something you have to worry about. Processes that aren't really doing anything substantial are supposed to "go to sleep," but are still able to send notifications if something happens. This happens...sometimes. I've noticed that it probably happens more often in the latest RC33 update, specifically because the IM app no longer cripples my CPU if I try to do anything besides IM people while it's running. But it's not perfect.

I've been told quite loudly on the android-discuss group that I should blame the app developers if their apps don't sleep properly. Unfortunately, sometimes these bad apps are otherwise useful, and the Dalvik Java VM doesn't exactly help matters.

So, you're correct, apps don't always quit when you return to the home screen, and they don't always go to sleep either. That's why a process killer would be nice if things happen to go wrong.
heldc
Feb. 26th, 2009 09:37 pm (UTC)
The home button shows recently USED apps, not currently running apps.
xerxesqados
Feb. 26th, 2009 11:18 pm (UTC)
That's when you hold it down. When you just press it, you go to the home screen. Which doesn't quit an app, mind you; you have to press the back button till you get to the home screen, which usually quits an app.

No, Android doesn't have the best user interface right now.
heldc
Feb. 26th, 2009 11:28 pm (UTC)
Ah, sorry, misunderstood what you meant by 'using the home button'. I read it as 'using the home button to check what's running'. :)
the_halfling
Feb. 26th, 2009 07:48 am (UTC)
Not sure about your questions actually, but I did want to let you know that Google as blocked access to paid apps in the marketplace. This shouldn't have effected the market, though.
heldc
Feb. 26th, 2009 09:36 pm (UTC)
Someone should have posted the amazon mp3 apk on xda someplace. http://forum.xda-developers.com/forumdisplay.php?f=446 If not, lemme know and I'll pull it off my phone for you.
infinitevoid
Feb. 28th, 2009 07:13 pm (UTC)
So you're saying that there's no "official" way to get the app? It either has to come preinstalled on a phone you get from T-Mobile, or you have to get a copy of it from nonofficial (i.e.: insecure) channels?
heldc
Feb. 28th, 2009 09:59 pm (UTC)
well, I don't see it in the market, do you? maybe try amazon. Did you read through the google dev info? Maybe there's some sooper secrit google place to DL it for devs.
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Feb. 16th, 2013 06:05 pm (UTC)
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