Thanks for your response. I've browsed this group and it seems the
"launchMode" settings have caused a little confusion at times. This is
also valid for me, I'm afraid...
Anyway, I have pasted an excerpt from the output of "adb shell dumpsys
activity" (sorry for the mass of text) for the situation where I have
one application with two activities; SplashScreen (launchMode normal)
and mainActivity (launchMode singleTask). I have started the
application from the launcher which starts the SplashScreen activity.
>From there the mainActivity is started with:
Intent intent = new Intent(SplashScreen.this,
com.rick.myApp.MainActivity.class);
SplashScreen.this.startActivity(intent);
To me, the dump indicates that Task11 contains two activities where
SplashScreen is at the front of the task (root?) and MainActivity is
not at the top of the stack. When we know that MainActivity has
launchMode=singleTask, doesn't the dump contradict the documentation
in the sense that it is not at the root?
Thanks for helping me understand this.
/Rickard
DUMP OF SERVICE activity:
Activities in Current Activity Manager State:
Task{11 com.rick}
clearOnBackground=false numActivities=2 rootWasReset=false
affinity=com.rick
intent=Intent { flags=0x10000000 comp={com.rick/
com.rick.ui.activity.SplashScreen} }
affinityIntent=null
origActivity=null
lastActiveTime=68582390 (inactive for 9s)
History #5:
HistoryRecord{4360d2d0 {com.rick/com.rick.myapp.MainActivity}}
packageName=com.rick processName=com.rick
launchedFromUid=10018 app=ProcessRecord{437381f0 1106:com.rick/
10018}
Intent { comp={com.rick/com.rick.myapp.MainActivity} }
frontOfTask=false task=Task{11 com.rick}
taskAffinity=com.rick
realActivity=ComponentInfo{com.rick/
com.rick.myapp.MainActivity}
dir=/data/app/com.rick.apk res=/data/app/com.rick.apk data=/
data/data/com.rick
labelRes=0x7f080005 icon=0x7f020004 theme=0x1030006
stateNotNeeded=false componentSpecified=true
isHomeActivity=false
configuration={ scale=1.0 imsi=310/260 locale=en_US touch=3
key=2/1/2 nav=3 orien=1 }
resultTo=null resultWho=null resultCode=-1
results=null
pendingResults=null
readUriPermissions=null
writeUriPermissions=null
launchFailed=false haveState=false icicle=null
state=RESUMED stopped=false finishing=false
keysPaused=false inHistory=true persistent=false launchMode=2
fullscreen=true visible=true frozenBeforeDestroy=false
thumbnailNeeded=false idle=true
waitingVisible=false nowVisible=true
configDestroy=false configChangeFlags=0
connections=null
History #4:
HistoryRecord{435db2f0 {com.rick/
com.rick.ui.activity.SplashScreen}}
packageName=com.rick processName=com.rick
launchedFromUid=-1 app=ProcessRecord{437381f0 1106:com.rick/
10018}
Intent { flags=0x10000000 comp={com.rick/
com.rick.ui.activity.SplashScreen} }
frontOfTask=true task=Task{11 com.rick}
taskAffinity=com.rick
realActivity=ComponentInfo{com.rick/
com.rick.ui.activity.SplashScreen}
dir=/data/app/com.rick.apk res=/data/app/com.rick.apk data=/
data/data/com.rick
labelRes=0x7f080005 icon=0x7f020004 theme=0x1030006
stateNotNeeded=false componentSpecified=true
isHomeActivity=false
configuration={ scale=1.0 imsi=310/260 locale=en_US touch=3
key=2/1/2 nav=3 orien=1 }
resultTo=null resultWho=null resultCode=0
results=null
pendingResults=null
readUriPermissions=null
writeUriPermissions=null
launchFailed=false haveState=true icicle=Bundle
[mParcelledData.dataSize=364]
state=STOPPED stopped=true finishing=false
keysPaused=false inHistory=true persistent=false launchMode=0
fullscreen=true visible=false frozenBeforeDestroy=false
thumbnailNeeded=false idle=true
waitingVisible=false nowVisible=false
configDestroy=false configChangeFlags=0
connections=null
Task{2 com.android.launcher} ........
On 16 Sep, 18:41, Dianne Hackborn <[email protected]> wrote:
> Very much by definition, a single ask activity is always at the root of a
> stack. Anyone who launches that activity is forced to launch a new task, so
> the activity can't be anything but the start of a new task.
> I don't know enough about what you are doing or seeing to help any more, but
> there really should be no way to have such an activity embedded inside of a
> task.
>
> On Wed, Sep 16, 2009 at 12:53 AM, RickardF <[email protected]>wrote:
>
>
>
>
>
> > Hi all,
> > In the documentation (http://developer.android.com/guide/topics/
> > manifest/activity-element.html#lmode) it is stated that an activity
> > with launchMode="singleTask" is always at the root of the sctivity
> > stack. However, when I run my "singleTask" activity for a few
> > scenarios and monitors behaviour with "adb shell dumpsys activity" I
> > can see it placed both at the top of the stack (with numActivities=2)
> > and in the middle of the stack (with numActivities=3).
> > The activity at the root (frontOfTask=True) has a "normal" launchMode.
>
> > Is the documentation incorrect or am I missing something?
>
> > Thanks,
> > Rickard
>
> --
> 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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