I did a little experimenting. It is possible to start and activity
from a service and the activity does interrupt the user and hide the
previous activity.
I would guess this is not "best practice"?
Also I don't understand the purpose of the required DEFAULT category
here.
Anyone understand this?
The following code starts an activity in another application from
inside a service.
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.addCategory("test.foobar.123");
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
Where the activity to start has this in the manifest -
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.SAMPLE_CODE" />
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="test.foobar.123" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
Without android.intent.category.DEFAULT I got this -
W/IntentResolver( 569): resolveIntent failed: found match, but none
with Intent.CATEGORY_DEFAULT
I/ActivityManager( 569): Starting activity: Intent
{ action=android.intent.action.VIEW categories={test.foobar.123}
flags=0x10000000 }
W/dalvikvm( 898): threadid=17: thread exiting with uncaught exception
(group=0x4000fe70)
E/AndroidRuntime( 898): Uncaught handler: thread Thread-9 exiting due
to uncaught exception
E/AndroidRuntime( 898): android.content.ActivityNotFoundException:
On Nov 9, 11:08 am, jotobjects <[email protected]> wrote:
> Why do you need a result? There is a tartActivity(intent) method you
> can use.
>
> What does it mean to start an activity from a process that is not
> visible as in this case? Does it interrupt the user and is that
> desirable and/or allowed?
>
> On Nov 9, 7:41 am, michael <[email protected]> wrote:
>
> > Hello,
>
> > Anyone could give me suggestion???
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