Yes. Because of touch mode, I didn't get the focus. Since my hardware doesnt have the the touch screen, it should not be an issue :)
On Thu, Jan 28, 2010 at 3:23 PM, android beginner < android.beginne...@gmail.com> wrote: > Yea, went through the document and got good understanding of activities & > tasks. > > I observed one issue though (Not sure if its an issue, maybe I need to call > some other functions). > > In my first list A, I selected one item using Keys. This leads to create > another list Activity B. I just browsed the list using Key, so that one > element will be highlighted (focussed). These activities are created with > Launch mode "singleTop" > Then I went to the Home Screen. Now on selecting my Activity Icon again, I > got the list Activity B screen but its not highlighted. Using onPause, I got > the "position" and in onResume I called setSelection(position). But still > that element in the list is not highlighted > > Any Suggestions? > > Thanks > > > On Thu, Jan 28, 2010 at 11:52 AM, theSmith <chris.smith...@gmail.com>wrote: > >> >> >> On Jan 27, 7:03 pm, android beginner <android.beginne...@gmail.com> >> wrote: >> > Hi, >> > The basic list that I want to view is working. >> > >> > In my first list activity(ListDemoActivity), I choosed some element, >> which >> > triggers another list A activity. If I go back (on pressing "BACK" key), >> the >> > state of ListDemoActivity screen is preserved. Now If I select the same >> > element again, I expect the state of A activity to be preserved aswell, >> but >> > its not happening. >> >> You're assuming things that are not true. Its an activity stack, so >> once you pop it off (hit the back key) that state is lost, and you >> will be creating a new activity when launching that activity A again. >> >> I'd recommend learning a little bit about the nature of android before >> getting too deep into developing code. >> The Androidology videos will get you started and the Google I/O videos >> are some of my favorites for getting into Android as a pro. >> http://developer.android.com/intl/de/videos/index.html#v=opZ69P-0Jbc >> >> >> > Below is the code snippet, Can you please suggest me what I need to do? >> > >> > public class ListDemoActivity extends ListActivity { >> > String[] firstPage = {"a", "b", "c", "d", "e"}; >> > /** Called when the activity is first created. */ >> > @Override >> > public void onCreate(Bundle savedInstanceState) { >> > super.onCreate(savedInstanceState); >> > setContentView(R.layout.main); >> > >> > setListAdapter(new ArrayAdapter<String>(this, >> > android.R.layout.simple_list_item_1, >> > firstPage)); >> > >> > } >> > >> > public void onListItemClick(ListView parent, View v, >> > int position, long id) >> > { >> > String txt = firstPage[position]; >> > if ((txt == "a") || >> > (txt == "b")) >> > { >> > Intent startActivity = new Intent(this, Activity_A.class); >> > startActivity.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); >> > >> > startActivity(startActivity); >> > } >> > else >> > { >> > Intent startActivity = new Intent(this, Activity_B.class); >> > startActivity.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); >> > >> > startActivity(startActivity); >> > } >> > >> > } >> > >> > } >> > On Tue, Jan 26, 2010 at 5:28 PM, theSmith <chris.smith...@gmail.com> >> wrote: >> > >> > > On Jan 25, 11:48 pm, android beginner <android.beginne...@gmail.com> >> > > wrote: >> > > > so, each sub-lists should be created as list activity. On selecting >> any >> > > > item, should call that particular list activity. Is my understanding >> > > > correct? >> > >> > > Yes >> > >> > > > Also, how to store parent list in the stack? so that on pressing >> "escape" >> > > > key, I can navigate backwards. >> > >> > > Android does this automatically, and I assume you mean the 'back' >> > > key. Each new activity is launched ontop of the older ones allowing >> > > you to navigate backwards down the stack. >> > >> > > -theSmith >> > >> > > > Thanks >> > >> > > > On Tue, Jan 26, 2010 at 9:11 AM, saad bouchehboun < >> bsaad1...@gmail.com >> > > >wrote: >> > >> > > > > your item must be a listactivity , when you add it to your parent >> > > > > list , the UI is adapted automaticly . >> > >> > > > > On 25 jan, 06:24, android beginner <android.beginne...@gmail.com> >> > > > > wrote: >> > > > > > Hi, >> > >> > > > > > My Activity has list of items and on clicking any item, new >> window >> > > with >> > > > > > different set of list has to appear and this can continue upto 4 >> or 5 >> > > > > level >> > > > > > depths. I need your expert advice on how to achieve this. >> > >> > > > > > Can I have each sub-list to be of separate activity? If there >> are any >> > > > > online >> > > > > > examples matching this requirement, please let me know. >> > >> > > > > > Thank >> > >> > > > > -- >> > > > > 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> >> <android-developers%2bunsubscr...@googlegroups.com<android-developers%252bunsubscr...@googlegroups.com> >> > >> > > <android-developers%2bunsubscr...@googlegroups.com<android-developers%252bunsubscr...@googlegroups.com> >> <android-developers%252bunsubscr...@googlegroups.com<android-developers%25252bunsubscr...@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> >> <android-developers%2bunsubscr...@googlegroups.com<android-developers%252bunsubscr...@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 >> > > -- 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
