Oh btw I purchased your "The Busy Coder's Guide to Android
Development" book - its very helpful ;)
On Dec 8, 11:30 pm, mscwd01 <[EMAIL PROTECTED]> wrote:
> Okay, one last question ;)
>
> I've noticed if I have one map in, say, "Activity1" and I call another
> activity, "Activity2" which has a map within a tab of a TabHost - If I
> press the back button and go from Activity2 to Activity1, the map in
> Activity1 doesn't update i.e. load new tiles - only the map in the
> TabHost of Activity2 will update from there on.
>
> Also I have noticed I am getting OutOfMemory errors after I switch
> between the Activity1 and Activity2 several times.
>
> I tried overriding the onKeyDown method in the Activity of the tab in
> Activity2 such as:
>
> @Override
> public boolean onKeyDown(int keyCode, KeyEvent event) {
> if (keyCode == KeyEvent.KEYCODE_BACK) {
> Log.v("DEBUGTAG", "Back button pressed");
> //Process.killProcess(Process.myTid());
> finish();
> return (true);
> }
> return (super.onKeyDown(keyCode, event));
>
> }
>
> If I just call finish(), I get the problem mentioned above, however if
> I call:
> Process.killProcess(Process.myTid());
> ... to kill Activity2 (the process holding the TabHost and which
> created the tab content activity displaying the second map), the
> problem doesnt seem to appear. However I guess this is a nasty hack -
> it certainly causes the application to stutter before redisplaying
> Activity1 again.
>
> Theres a lot there to take in I know ;)
> However what i'm asking is, is there a way to kill off Activity2
> completely when pressing the Back button to return to Activity1 and
> return full control to the first map? I believe I am making more and
> more map objects when I launch Activity2 again and again and not
> releasing resources when I finish with it?
>
> Hope I havent confused you ;)
>
> On Dec 8, 11:11 pm, Mark Murphy <[EMAIL PROTECTED]> wrote:
>
> > mscwd01 wrote:
> > > I've had a look at the documentation you suggested, however I think im
> > > misunderstanding how you launch a new activity in a seperate process.
> > > Is there a demo which illustrates this?
>
> > Ummmm...none I'm aware of. The ApiDemos in the SDK show separate
> > processes, but for services, not activities.
>
> > --
> > Mark Murphy (a Commons Guy)http://commonsware.com
> > _The Busy Coder's Guide to Android Development_ Version 1.9 Available!
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