android:taskAffinity lets you define different groups of tasks. As far as I know singleTask works as intended and documented. I would need to dig much more into your code and the states that are going on to say there is a problem.
On Wed, Mar 31, 2010 at 2:11 PM, Linton Ye <linto...@gmail.com> wrote: > Thanks Dianne, > > What I would like to achieve is to launch SingleTaskActivity in a > different task than the one StandardActivity started when user clicks > the home shortcut of SingleTaskActivty. However, when > SingleTaskActivity is launched by StandardActivity, it is OK to leave > them in the same task. > > If "singleTask" is not recommended, what is the best approach? > > Also, do you acknowledge the inconsistency of the dev guide I found > about "singleTask"? > > > On Wed, Mar 31, 2010 at 12:19 AM, Dianne Hackborn <hack...@android.com> > wrote: > > I suggest you don't use singleTask. And very strongly suggest you don't > use > > singleInstance. These are for very specialized cases, and at the very > least > > if your app isn't being launched from other apps it makes little sense to > > use them and is likely to cause you trouble. > > > > On Tue, Mar 30, 2010 at 10:49 PM, focuser <linto...@gmail.com> wrote: > >> > >> Hi, > >> > >> I have an app with two activities, one of which the launchmode is set > >> to "singleTask". From the Android dev guide, I got the impression > >> that my SingleTaskActivity should start a new task (or reuse an old > >> task) and always sit at the root of the stack when launched. However, > >> it's inconsistent with the behavior of the app if I follow the steps > >> below: > >> - launch StandardActivity from home > >> - click the "home" key > >> - launch SingleTaskActivity from home, you will see it's in the > >> foreground as expected > >> - click the "Back" key, StandardActivity comes to the foreground > >> whereas I expect to see the home screen because SingleTaskActivity is > >> supposed to be at the ROOT of the stack. It appears > >> SingleTaskActivity was launched into the task that StandardActivity > >> started, rather than starting its own task. > >> > >> Is my understanding about the "singleTask" launch mode correct? > >> Thanks, > >> > >> - > >> > >> PS: > >> > >> === The Android Dev guide (http://developer.android.com/guide/topics/ > >> manifest/activity-element.html#lmode) says: > >> > >> In contrast, "singleTask" and "singleInstance" activities can only > >> begin a task. They are always at the root of the activity stack. > >> Moreover, the device can hold only one instance of the activity at a > >> time — only one such task. > >> > >> === My AndroidManifest.xml file: > >> <application android:icon="@drawable/icon" android:label="@string/ > >> app_name"> > >> <activity android:name=".StandardActivity" > >> android:label="Standard"> > >> <intent-filter> > >> <action android:name="android.intent.action.MAIN" /> > >> <category > >> android:name="android.intent.category.LAUNCHER" /> > >> </intent-filter> > >> </activity> > >> <activity android:name=".SingleTaskActivity" > >> android:label="ActivitySingleTask" > >> android:launchMode="singleTask" > >> > > >> <intent-filter> > >> <action android:name="android.intent.action.MAIN" /> > >> <category > >> android:name="android.intent.category.LAUNCHER" /> > >> </intent-filter> > >> </activity> > >> </application> > >> > >> -- > >> 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 > >> android-developers+unsubscr...@googlegroups.com<android-developers%2bunsubscr...@googlegroups.com> > >> For more options, visit this group at > >> http://groups.google.com/group/android-developers?hl=en > >> > >> To unsubscribe, reply using "remove me" as the subject. > > > > > > > > -- > > 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, 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. > > > > -- > > 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 > > android-developers+unsubscr...@googlegroups.com<android-developers%2bunsubscr...@googlegroups.com> > > For more options, visit this group at > > http://groups.google.com/group/android-developers?hl=en > > -- > 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 > android-developers+unsubscr...@googlegroups.com<android-developers%2bunsubscr...@googlegroups.com> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- 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, 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. -- 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 android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
