Thanks Jon. I was able to get this working.
Wally> From: j...@xamarin.com
> Date: Wed, 30 Nov 2011 14:07:35 -0500
> To: monodroid@lists.ximian.com
> Subject: Re: [mono-android] tabbed interface with fragment
>
> Any chance you could file a bug with the project? I don't know what Frag1 or
> Frag2 are supposed to be, nor do I know what Resource.Layout.ab is supposed
> to be, etc.
>
> Thanks,
> - Jon
>
> On Nov 21, 2011, at 11:06 AM, Wally McClure wrote:
>
> > I'm trying to write a simple example using a tabbed interface in the
> > actionbar. When a user clicks on a tab, a new fragment will load in the
> > main screen of the device. When I click the 2nd tab, I am getting an
> > error. in DDMS, I get an error shown below. I'm not sure if the error is
> > due to frag1, frag2, or something else. Any suggestion are appreciated.
> >
> > error:
> > 11-21 10:55:40.220: E/AndroidRuntime(3911):
> > java.lang.IllegalStateException: The specified child already has a parent.
> > You must call removeView() on the child's parent first.
> >
> > code:
> > [Activity(Label = "HCTabbedInterface", MainLauncher = true, Icon =
> > "@drawable/icon")]
> > public class Activity1 : Activity, ActionBar.ITabListener
> > {
> > int count = 1;
> > private ActionBar ab;
> > private View mActionBarView;
> >
> > protected override void OnCreate(Bundle bundle)
> > {
> > base.OnCreate(bundle);
> >
> > // Set our view from the "main" layout resource
> > SetContentView(Resource.Layout.Main);
> >
> > // Get our button from the layout resource,
> > // and attach an event to it
> > ab = this.ActionBar;
> > ab.AddTab(ab.NewTab().SetText(tab1).SetTabListener(this));
> > ab.AddTab(ab.NewTab().SetText(tab2).SetTabListener(this));
> >
> > mActionBarView = LayoutInflater.Inflate(
> > Resource.Layout.ab, null);
> > ab.CustomView = mActionBarView;
> > ab.DisplayOptions = ActionBarDisplayOptions.ShowCustom |
> > ActionBarDisplayOptions.UseLogo;
> > ab.NavigationMode = ActionBarNavigationMode.Tabs;
> > ab.SetDisplayShowHomeEnabled(true);
> > }
> >
> > public void OnTabReselected(ActionBar.Tab tab, FragmentTransaction
> > ft)
> > {
> > }
> >
> > private const string tab1 = "Tab 1";
> > private const string tab2 = "Tab 2";
> > private Frag1 f1;
> > private Frag2 f2;
> > public void OnTabSelected(ActionBar.Tab tab, FragmentTransaction ft)
> > {
> > try
> > {
> > switch (tab.Text)
> > {
> > case tab1:
> > if (f1 == null)
> > {
> > f1 =
> > FragmentManager.FindFragmentById<Frag1>(Resource.Id.fg);
> > }
> > else
> > {
> > ft.Replace(Resource.Id.fg, f1);
> > }
> > break;
> > case tab2:
> > if (f2 == null)
> > {
> > f2 = (Frag2)Fragment.Instantiate(this, (new
> > Frag2()).Class.Name);
> > }
> > ft.Replace(Resource.Id.fg, f2);
> > break;
> > }
> > }
> > catch (System.Exception sysExc)
> > {
> > Android.Util.Log.Error("tab", String.Format("Error info:
> > {0}", sysExc.Message));
> > }
> > }
> >
> > public void OnTabUnselected(ActionBar.Tab tab, FragmentTransaction
> > ft)
> > {
> > }
> > }
> >
> >
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