The <activity-alias> tag appears to enable different manifest attributes for the same activity. AliasActivity is something I'd have to see in an example to really understand it. At least it sounds uncommon.
- Juan T. On Oct 16, 4:44 pm, hackbod <[EMAIL PROTECTED]> wrote: > The <activity-alias> tag can only be used to link to another activity > implement in the same manifest as the tag appears, and when this alias > is launched by the system it just directly launches the target > activity so there is no actual implementation behind it. > > The AliasActivity class is just a standard Activity implementation > that is built into the system, which you can use as the implementation > for one of your activities. When launched, the system actually > launches the AliasActivity in your process, which reads from your > manifest the intent description to launch, starts that other activity, > and then finishes itself. > > So if you can use <activity-alias>, you should to do so, since it is > much more efficient. > > The main purpose of AliasActivity is to be able to generate a .apk > containing no code that just provides a top-level application icon for > some other activity in the system, typically launching the browser to > display a particular web page. > > On Oct 16, 10:26 am, jtaylor <[EMAIL PROTECTED]> wrote: > > > Well, what exactly is the difference between the two to understand > > them better? > > > - Juan T. > > > On Oct 15, 10:29 pm, "Romain Guy" <[EMAIL PROTECTED]> wrote: > > > > Photostream uses an activity-alias, not an AliasActivity (they are > > > different :) > > > > On Wed, Oct 15, 2008 at 7:24 PM, jtaylor <[EMAIL PROTECTED]> wrote: > > > > > I noticed the Photostream app has alias activities. > > > > > (This comment is in androidmanifest.xml) > > > > <!-- Alias activity used to set the wallpaper on Home. The alias is > > > > used > > > > simply to have a different label. --> > > > > >http://code.google.com/p/apps-for-android/source/browse/trunk/#trunk/... > > > > > - Juan > > > > > On Oct 12, 11:31 am, Anm <[EMAIL PROTECTED]> wrote: > > > >> The AliasActivity looks interesting, as a way to redirect a user to > > > >> another activity/intent under a different name. I can see this being > > > >> used to put a launcher icon to a document/url. But I don't see any > > > >> examples of it, or documentation of the XML to configure it. (From > > > >> the docs: "To use this activity, you should include in the manifest > > > >> for the associated component an entry named "android.app.alias". It is > > > >> a reference to an XML resource describing an intent that launches the > > > >> real application. ") > > > > >> Does anyone have any pointers? > > > > >> Secondly, I think I want to make a something that acts similar to the > > > >> AliasActivity as my app's entry point, but redirects to the most > > > >> recently used activity. Calling startActivity() followed by finish() > > > >> still invokes the activity after returning from the child activity > > > >> (its still on the activity stack, despite the finish() call), leading > > > >> to a loop that re-enters the child. What should I be doing instead? > > > >> (I.e., What does AliasActivity do?) > > > > >> Anxiously awaiting the sources so I can answer these types of > > > >> questions on my own. > > > > >> Anm > > > > -- > > > Romain Guywww.curious-creature.org --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
