Doing a broadcast is definitely better than making people sit around watching all the time. Still, it is better yet not to rely on either -- if you are relying on this to keep your data in sync, you can pretty much be guaranteed that one way or another in some situation you will get out of sync. :}
2008/11/20 Peli <peli0...@googlemail.com> > > Regarding menu icons not being displayed, a workaround has been posted > in this thread: > http://groups.google.com/group/android-developers/browse_frm/thread/3fed25cdda765b02 > > I agree that it makes sense to present an Activity chooser for well- > defined actions (like "Send"), but I guess there are also cases where > it makes more sense for an application to appear like an "extension" > to a specific application and be embedded in their menu (like adding > voice memo to a note in notepad). At least, I hope you will not drop > this functionality in the future, as we already make use of it :-) > > I have a related question, regarding the example above: > voice memo would have to be notified if notes are deleted, so that the > recordings that are linked to a note URI can also be deleted. > We were thinking of sending a broadcast action in the notepad provider > ACTION_DELETED with the note URI that all interested extensions could > listen to. Could there be anything wrong with this approach? > > We thought that this would be better and more efficient than > registering a ContentObserver that would have to listen in a > background service all the time, and then scan for the change. > > Peli > > > On Nov 19, 9:02 pm, "Dianne Hackbod" <hack...@android.com> wrote: > > Having an arbitrarily large number of items added by other applications, > > mixed together with unrelated items from the main application, is really > > tough to provide a decent UI for. I think it is better to have a single > > top-level menu item that goes to a chooser dialog of the actions to be > > performed (and the choose can show the normal app icons, instead of there > > needing to be some additional extra special icon associated with the > > activity for display in the menu, which we don't really support right now > > anyway). > > > > 2008/11/19 Peli <peli0...@googlemail.com> > > > > > > > > > > > > > What are the specific problems here regarding to managing the UI? > > > Aren't menu items beyond six items shown as a scrollable list, anyway? > > > > > Peli > > > > > On Nov 18, 10:36 pm, "Dianne Hackbod" <hack...@android.com> wrote: > > > > Note that this only works with applications that want to participate > in > > > the > > > > mechanism, and pretty much none of the built-in applications do this. > We > > > > moved away from this approach because managing the UI for an > arbitrary > > > > number of additional items is a challenge. Our preference these days > is > > > for > > > > the application to start a chooser activity from which the user can > > > select > > > > what they want to do; see the Intent docs for info on this. > > > > > > 2008/11/18 Adrian A <aaga...@avaya.com> > > > > > > > Hi Michael, > > > > > > > Have you had any luck with this? What was the problem you had? > > > > > > > Many thanks in advance, > > > > > Adrian > > > > > > > On Oct 21, 4:31 am, Shade <sh...@printeranywhere.com> wrote: > > > > > > Hello! > > > > > > > > If you mean Android Howto document: > > > > > > > > Adding yourself to menus on other applications > > > > > > > > You can also advertise your Activity's services so that > > > > > otherActivitiescan add your activity to their own optionmenu. For > > > > > > example, suppose you implement a new image handling tool that > shrinks > > > > > > an image to a smaller size and you would like to offer this as > amenu > > > > > > option to any other Activity that handles pictures. To do this, > you > > > > > > would exposes your capabilities inside an intent filter in your > > > > > > manifest. If another application that handles photos asks Android > for > > > > > > anyActivitiesthat can perform actions on pictures, Android will > > > > > > perform intent resolution, find your Activity, and add it to the > > > other > > > > > > Activity's optionsmenu. > > > > > > The offering application > > > > > > > > The application offering the service must include an > <intent-filter> > > > > > > element in the manifest, inside the <activity> tag of the > offering > > > > > > Activity. The intent filter includes all the details describing > what > > > > > > it can do, such as a <type> element that describes the MIME type > of > > > > > > data that it can handle, a custom <action> value that describes > what > > > > > > your handling application can do (this is so that when it > receives > > > the > > > > > > Intent on opening it knows what it is expected to do), and most > > > > > > important, include a <category> filter with the value > > > > > > android.intent.category.ALTERNATIVEand/or > > > > > > android.intent.category.SELECTED_ALTERNATIVE > (SELECTED_ALTERNATIVE is > > > > > > used to handle only the currently selected element on the screen, > > > > > > rather than the whole Activity intent. > > > > > > > > Here's an example of a snip of a manifest that advertises picture > > > > > > shrinking technology for both selected items and the whole > screen. > > > > > > <activity class="PictureShrink"> <!-- Handling > class > > > -- > > > > > > > > <intent-filter label="Shrink picture"> <!--Menulabel to > > > > > > display --> > > > > > > <action android:name="com.example.sampleapp.SHRINK_IT" /> > > > > > > <data android:name="image/*" /> <!-- MIME > > > type > > > > > > for generic images --> > > > > > > <category > android:name="android.intent.category.ALTERNATIVE" > > > / > > > > > > > > <category > > > > > > android:name="android.intent.category.SELECTED_ALTERNATIVE" /> > > > > > > </intent-filter> > > > > > > </activity> > > > > > > > > I've tried it. > > > > > > After adding that intent-filter (with fixed typos) Pictures > > > > > > application still does not offer to shrink pictures. > > > > > > > > <intent-filter label="Do something terrible"> > > > > > > <action android:name="android.intent.action.VIEW" /> > > > > > > <data android:scheme="http" /> > > > > > > <category android:name="android.intent.category.ALTERNATIVE" > /> > > > > > > <category > > > > > > android:name="android.intent.category.SELECTED_ALTERNATIVE" /> > > > > > > </intent-filter> > > > > > > Adding this to my manifest does not affect browser'smenutoo. > > > > > > > > Maybe i am making something wrong but i don't know what. And i > was > > > > > > unable to find really workingexamplesof such actions. > > > > > > > > With respect, > > > > > > Michael > > > > > > PrinterShare team > > > > > > > > PS SDK version 1.0_r1 > > > > > > > > On 21 окт, 13:10, "stephane.cast...@gmail.com" > > > > > > > > <stephane.cast...@gmail.com> wrote: > > > > > > > I'm sorry i d'ont have example > > > > > > > > > But you can find tutorial on code.google.com/android > > > > > > > > > good luck. > > > > > > > > > On 17 oct, 16:59, Shade <sh...@printeranywhere.com> wrote: > > > > > > > > > > Hello! > > > > > > > > It is possible to add my activity to build-in browser'smenu? > > > > > > > > Working example wanted. > > > > > > > > > > Thank you. > > > > > > > > > > With respect, > > > > > > > > Michael > > > > > > > > PrinterShare team > > > > > > -- > > > > Dianne Hackborn > > > > hack...@android.com > > > > -- > > Dianne Hackborn > > hack...@android.com > > > -- Dianne Hackborn Android framework engineer hack...@android.com Note: please don't send private questions to me, as I don't have time to provide private support. 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