This one hs been answered a couple of times on this forum.

Use
dialog = new Dialog(this);
instead of
dialog = new Dialog(getApplicationContext());

BR,
Adrian Vintu

http://adrianvintu.com


On Mon, Mar 15, 2010 at 10:05 PM, Dirk Vranckaert
<dirkvrancka...@gmail.com>wrote:

> Thx for the quick response but doesn't change a thing, it gives me
> exactly the same exception!
>
> On 15 mrt, 21:58, Kumar Bibek <coomar....@gmail.com> wrote:
> > Try getBaseContext();
> >
> > Thanks and Regards,
> > Kumar Bibek
> >
> > On Mar 16, 1:50 am, Dirk Vranckaert <dirkvrancka...@gmail.com> wrote:
> >
> > > I'm trying to create a custom dialog in my application to show an
> > > about window but it ain't working. Maybe one of you knows a solution?
> >
> > > So I have an activity with the onCreateDialog(int id) overriden in it:
> >
> > >         @Override
> > >         protected Dialog onCreateDialog(int id) {
> > >                 Dialog dialog = null;
> > >                 switch (id) {
> > >                         case EPISODE_LOADING_DIALOG:
> > >                                 ...
> > >                         case EXCEPTION_DIALOG:
> > >                                 ...
> > >                         case ABOUT_DIALOG:
> > >                                 dialog = new
> Dialog(getApplicationContext());
> > >
> dialog.setContentView(R.layout.aboutdialog);
> > >                                 dialog.setTitle("MyTitle");
> > >                                 break;
> > >                         default:
> > >                                 ...
> > >                 }
> > >                 return dialog;
> > >         }
> >
> > > My aboutdialog layout files looks like this:
> >
> > > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/
> > > android"
> > >               android:orientation="vertical"
> > >               android:layout_width="fill_parent"
> > >               android:layout_height="fill_parent"
> > >               android:padding="10dp"
> > >               >
> > >     <TextView android:id="@+id/aboutText"
> > >               android:layout_width="wrap_content"
> > >               android:layout_height="fill_parent"
> > >               android:textColor="#FFF"
> > >               android:text="@string/aboutText"
> > >               />
> > > </LinearLayout>
> >
> > > This is exactly as described here:
> http://developer.android.com/guide/topics/ui/dialogs.html#CustomDialog
> > > However this my exception thrown:
> >
> > > 03-15 21:48:32.055: ERROR/AndroidRuntime(2004): Uncaught handler:
> > > thread main exiting due to uncaught exception
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):
> > > android.view.WindowManager$BadTokenException: Unable to add window --
> > > token null is not for an application
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.view.ViewRoot.setView(ViewRoot.java:429)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.view.WindowManagerImpl.addView(WindowManagerImpl.java:178)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.app.Dialog.show(Dialog.java:231)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.app.Activity.showDialog(Activity.java:2407)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > >
> eu.vranckaert.episodeWatcher.EpisodesWatchListActivity.onOptionsItemSelected(EpisodesWatchListActivity.java:
> > > 130)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.app.Activity.onMenuItemSelected(Activity.java:2085)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > >
> com.android.internal.policy.impl.PhoneWindow.onMenuItemSelected(PhoneWindow.java:
> > > 820)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > com.android.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:
> > > 139)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > >
> com.android.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:
> > > 813)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > >
> com.android.internal.view.menu.IconMenuView.invokeItem(IconMenuView.java:
> > > 519)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > >
> com.android.internal.view.menu.IconMenuItemView.performClick(IconMenuItemView.java:
> > > 122)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.view.View.onTouchEvent(View.java:3828)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.widget.TextView.onTouchEvent(TextView.java:6291)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.view.View.dispatchTouchEvent(View.java:3368)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > com.android.internal.policy.impl.PhoneWindow
> > > $DecorView.dispatchTouchEvent(PhoneWindow.java:1691)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.view.ViewRoot.handleMessage(ViewRoot.java:1525)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.os.Handler.dispatchMessage(Handler.java:99)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.os.Looper.loop(Looper.java:123)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > android.app.ActivityThread.main(ActivityThread.java:3948)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > java.lang.reflect.Method.invokeNative(Native Method)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > java.lang.reflect.Method.invoke(Method.java:521)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > com.android.internal.os.ZygoteInit
> > > $MethodAndArgsCaller.run(ZygoteInit.java:782)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
> > > 03-15 21:48:32.130: ERROR/AndroidRuntime(2004):     at
> > > dalvik.system.NativeStart.main(Native Method)
>
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