If you are more specific about what the 3+ buttons are supposed to do, we may be able to suggest alternatives.
To answer your question, setContentView is needed with ActivityGroup. Yusuf Saib Android ·T· · ·Mobile· stick together The views, opinions and statements in this email are those of the author solely in their individual capacity, and do not necessarily represent those of T-Mobile USA, Inc. P.S. You can only make a child activity when a mommy activity and a daddy activity love each other very much enough to get married first. On Oct 15, 12:50 am, vchris80 <vuc...@gmail.com> wrote: > hi james, thanx for reply. I try to explain what I want to achieve. > > It is actually very simple, but maybe I am walking on the wrong path > since I "think in the Windows way" other than in the "Android way" :) > > My app is a window with 3 buttons (can't use tab since the buttons > will increase in the future and since this is a porting from other > platform and I have to follow the same UI guidelines as far as > possible). Each button launch an activity and needs a reference to the > main activity (parent) in order to use some common utility classes. > > I thought to do so by implementing the main activity as an > ActivityGroup (thank to you first suggestion) and launch each child > activity by getLocalActivityManager().startActivity() as I said in the > previous post. But, as said, this doesn't update the screen with the > new activity view. I have to explicitly call setContentView and put > the child activity view (obtained by getDecorView()). Is this the > right way or am I doing a mess? Then, when I finish() the child I > restore the old view. > > On 14 Ott, 20:50, James Yum <j...@google.com> wrote: > > > > > Hi, > > I'm still not sure what you're trying to achieve. Are you really trying to > > embed an activity within another? You can look at the TabActivity source for > > a pretty clean example: > > >http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;... > > > <http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;...> > > Cheers, > > James > > > On Wed, Oct 14, 2009 at 1:31 AM, vchris80 <vuc...@gmail.com> wrote: > > > > thank for your reply, but I still have some troubles: > > > > now I have my main activiy been a ActivityGroup and the child activity > > > been a simple Activity. > > > > I start the child with this code: > > > > Intent startIntent = new Intent(MyMainActivity.this, > > > ChildActivity.class); > > > getLocalActivityManager().startActivity("and.mypackage.ChildActivity", > > > startIntent); > > > > this way, in the onCreate of the child activity, I can get the parent > > > and the activity results child of something by calling isChild() > > > method. Fine. But the screen actually doesn't appear. The > > > documentation of startActivity of LocalActivityManager says that "The > > > caller needs to take care of adding this window to a view hierarchy", > > > but I can't figure out how to do that. I watched the WindowManager for > > > a suitable method but with no luck. > > > > On 13 Ott, 19:09, James Yum <j...@google.com> wrote: > > > > Hi, > > > > Those are meant for an ActivityGroup and its embedded activities, for > > > > example a TabActivity. > > > > > What you might want to look into, is this introduction on opening > > > > screens > > > > (activities): > > > > >http://developer.android.com/guide/appendix/faq/commontasks.html#open... > > > > > Cheers, > > > > James > > > > > On Tue, Oct 13, 2009 at 7:25 AM, vchris80 <vuc...@gmail.com> wrote: > > > > > > Hi all, I have a simple question: how I make an activity that is child > > > > > of another? > > > > > > I use this code to start an activity from another: > > > > > > Intent startIntent = new Intent(MyMainActivity.this, > > > > > ChildActivity.class); > > > > > startActivity(startIntent); > > > > > > but on the onCreate method of ChildActivity, if I watch for getParent > > > > > () I get null, and if I ask for isChild() I get false,... so what I > > > > > miss? > > > > > > thank you --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~----------~----~----~----~------~----~------~--~---
