Thursday, May 3, 2012

[android-developers] Re: Singletons in Android .... Final solution?

Ok, the code is here:

https://github.com/bmeike/MarksPlace

If I run the app on my Nexus S, it logs something like this:

05-03 15:45:14.151: D/####(26202): SINGLETON@1336085114158

If I then run a bunch of other apps -- about a dozen -- I see this app
disappear from the list of active threads. If I then return to it, I
see something like this:

05-03 15:48:33.643: D/####(26607): SINGLETON@1336085313650

The enum has been initialized a second time, just because it was push
into the BG and left there for a while.

btw, this app doesn't demonstrate this fact, but the saved state
bundle is *not* lost.

> onTerminate() is never called on an Application, despite the docs. The
> Application object goes away when the process does.

Yeah! Apparently not! If the documentation were correct, just
*anybody* could be an Android developer! ;)

Blake Meike
Marakana

The second edition of Programming Android is now on line!
http://shop.oreilly.com/product/0636920023005.do

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