http://stackoverflow.com/questions/2634991/android-1-6-android-view-windowmanagerbadtokenexception-unable-to-add-window http://stackoverflow.com/questions/7933206/android-unable-to-add-window-token-null-is-not-for-an-application-exception I'm guessing - are you trying to create Dialog with an application context? Something like this:new Dialog(getApplicationContext()); This is wrong. You need to..