Hi Lance! Thanks for the links! Now it's working! (And I learned something about thread save UI in Android)
Thanks again, Anton Lance Nanek wrote: > The UI is not thread safe and calling related methods from a > background thread like that run by java.util.Timer can cause trouble. > There's a good blog post on ways to schedule work on the UI thread or > communicate back to it here: > http://android-developers.blogspot.com/2009/05/painless-threading.html > > There's also an example of communicating back to the UI thread called > "Example ProgressDialog with a second thread" on this page: > http://developer.android.com/intl/fr/guide/topics/ui/dialogs.html > > On Oct 31, 4:42 pm, Anton Pirker <an...@ignaz.at> wrote: > >> Hi android guys and girls! >> >> I have a really strange problem. I have an activity which displays a map >> and a marker with the users current location on that maps. >> >> Right now my code is something like this: (in onCreate of the activity) >> >> 1) display a progress dialog with the text "detecting your location, >> please wait..." >> >> 2) request location updates. (activity implements LocationListener) >> locationManager.requestLocationUpdates(provider, >> (long)Constants.MIN_TIME, (float)Constants.MIN_DISTANCE, this); >> >> 3) right after the line above i have following: >> timer.schedule(new GetLastLocation(this), 5000); >> which means: wait 5 sec and then call GetLastLocation().run() >> >> GetLastLocation looks like this: >> >> class GetLastLocation extends TimerTask { >> private SetupActivity parent; >> public GetLastLocation(SetupActivity act) { >> parent = act; >> } >> public void run() { >> removeDialog(DIALOG_GET_POSITION); >> parent.showMessage(); >> } >> } >> >> So if 5 seconds pass by, i dismiss(remove) the dialog i displayed in 1) >> >> 4) now i want to show an AlertDialog with the message "could not find >> your location, taking the last known" >> parent.showMessage() looks like this: >> public void showMessage() { >> Log.e("###", "showMessage 1/2"); >> showDialog(DIALOG_GET_POSITION); >> Log.e("###", "showMessage 2/2"); >> } >> >> and here the first log message "showMessage 1/2" is printed to the log, >> but not the second one "showMessage 2/2". >> And there is no exception and nothing that tells me what is wrong... >> >> Could someone please help me? >> Maybe there is a better way to get he location and if no location is >> delivered show a message! >> >> Thankful for every hint, >> Anton >> >> -- >> DI(FH) Anton Pirker >> >> ------------------------------ >> cross platform mobile software >> burggasse 123/53 >> a-1070 wien >> tel: +43 699 1234 0 456 >> skype: antonpirker >> >> http://anton-pirker.at >> > > -- DI(FH) Anton Pirker ------------------------------ cross platform mobile software burggasse 123/53 a-1070 wien tel: +43 699 1234 0 456 skype: antonpirker http://anton-pirker.at -- 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
