I think you were looking for something like this
http://android-developers.blogspot.com/2009/01/can-i-use-this-intent.html

:)

-Dan


On Mon, Aug 31, 2009 at 2:17 PM, Dianne Hackborn <[email protected]>wrote:

> Use Intent.resolveActivity() if you want to preflight the resolution of
> that intent before trying to start an activity for it.  (Or you can use the
> underlying PackageManager.resolveActivity() API, or
> PackageManager.queryIntentActivities(), if you want to do something more
> specialized).
>
>
> On Mon, Aug 31, 2009 at 1:07 PM, tansaku <[email protected]> wrote:
>
>>
>> Thanks for your help.  Tried that with the following code:
>>
>>                PackageManager pm = getPackageManager();
>>
>>                PackageInfo pi;
>>                try {
>>                        pi = pm.getPackageInfo("fm.smart",
>> PackageManager.GET_ACTIVITIES);
>>                        for (ActivityInfo a : pi.activities) {
>>                                Log.d("PACKAGE-DEBUG", a.name);
>>                        }
>>                        pi = pm.getPackageInfo("android.speech",
>>                                        PackageManager.GET_ACTIVITIES);
>>                        for (ActivityInfo a : pi.activities) {
>>                                Log.d("PACKAGE-DEBUG", a.name);
>>                        }
>>                } catch (NameNotFoundException e) {
>>                        // TODO Auto-generated catch block
>>                        e.printStackTrace();
>>                }
>>
>> and I get all my activities, but the android.speech call returns
>> nothing on both emulator and phone, where my phone does support
>> voice ...
>>
>> 08-31 09:59:28.787: DEBUG/PACKAGE-DEBUG(9408): fm.smart.Main
>> 08-31 09:59:28.787: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.ListsList
>> 08-31 09:59:28.787: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.ItemListActivity
>> 08-31 09:59:28.787: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.CreateItemActivity
>> 08-31 09:59:28.787: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.CreateExampleActivity
>> 08-31 09:59:28.787: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.CreateSoundActivity
>> 08-31 09:59:28.797: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.ShowItem
>> 08-31 09:59:28.797: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.ItemActivity
>> 08-31 09:59:28.797: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.PreferenceActivity
>> 08-31 09:59:28.797: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.LoginActivity
>> 08-31 09:59:28.797: DEBUG/PACKAGE-DEBUG(9408):
>> fm.smart.activity.SignUpActivity
>> 08-31 09:59:28.797: WARN/System.err(9408):
>> android.content.pm.PackageManager$NameNotFoundException:
>> android.speech
>> 08-31 09:59:28.807: WARN/System.err(9408):     at
>> android.app.ApplicationContext$ApplicationPackageManager.getPackageInfo
>> (ApplicationContext.java:1503)
>> 08-31 09:59:28.807: WARN/System.err(9408):     at
>> fm.smart.Main.onCreate(Main.java:466)
>> 08-31 09:59:28.807: WARN/System.err(9408):     at
>> android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
>> 1123)
>> 08-31 09:59:28.807: WARN/System.err(9408):     at
>> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
>> 2231)
>> 08-31 09:59:28.807: WARN/System.err(9408):     at
>> android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
>> 2284)
>> 08-31 09:59:28.807: WARN/System.err(9408):     at
>> android.app.ActivityThread.access$1800(ActivityThread.java:112)
>> 08-31 09:59:28.807: WARN/System.err(9408):     at
>> android.app.ActivityThread$H.handleMessage(ActivityThread.java:1692)
>> 08-31 09:59:28.817: WARN/System.err(9408):     at
>> android.os.Handler.dispatchMessage(Handler.java:99)
>> 08-31 09:59:28.817: WARN/System.err(9408):     at
>> android.os.Looper.loop(Looper.java:123)
>> 08-31 09:59:28.817: WARN/System.err(9408):     at
>> android.app.ActivityThread.main(ActivityThread.java:3948)
>> 08-31 09:59:28.817: WARN/System.err(9408):     at
>> java.lang.reflect.Method.invokeNative(Native Method)
>> 08-31 09:59:28.817: WARN/System.err(9408):     at
>> java.lang.reflect.Method.invoke(Method.java:521)
>> 08-31 09:59:28.817: WARN/System.err(9408):     at
>> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
>> (ZygoteInit.java:782)
>> 08-31 09:59:28.817: WARN/System.err(9408):     at
>> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
>> 08-31 09:59:28.827: WARN/System.err(9408):     at
>> dalvik.system.NativeStart.main(Native Method)
>>
>> android.speech only includes a RecognizerIntent - so I wonder if I
>> should be looking for Intents rather than activities - but maybe I
>> just can't access package info of android.speech from my app ...
>>
>> On Aug 28, 9:04 am, "Roman ( T-Mobile USA)" <roman.baumgaert...@t-
>> mobile.com> wrote:
>> > You might want to look in the PackageManager class with which you can
>> > retrieve installed packages/applications information.
>> >
>> > Look athttp://
>> developer.android.com/reference/android/content/pm/PackageInfo...
>>  > (flag GET_ACTIVITIES).
>> >
>> > --
>> > Roman Baumgaertner
>> > Sr. SW Engineer-OSDC
>> > ·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.
>> >
>> > On Aug 27, 7:10 pm,tansaku<[email protected]> wrote:
>> >
>> > > Is there some way to check the set of available activities?  I want to
>> > > check for the presence of android.speech.action.RECOGNIZE_SPEECH in
>> > > order to disable buttons that will take the user to that function on
>> > > phones that don't have the voice recognition support.
>> >
>> > > At the moment all I can tell is that I get the following exception:
>> >
>> > > android.content.ActivityNotFoundException: No Activity found to handle
>> > > Intent { action=android.speech.action.RECOGNIZE_SPEECH (has extras) }
>> >
>> > > Other posts on this list seem to suggest this exception can't be
>> > > caught.  Perhaps there is a base level Java way to determine if the
>> > > library is available.
>> >
>> > > Any help greatly appreciated.
>> >
>> > > CHEERS> SAM
>>
>>
>
>
> --
> Dianne Hackborn
> Android framework engineer
> [email protected]
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support, and so won't reply to such e-mails.  All such
> questions should be posted on public forums, where I and others can see and
> answer them.
>
>
>
> >
>

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