Hi, In my onResume() I have this, to recreate the tabs every time i run. This is because the tab content changes depending on the program state.
tabHost = getTabHost(); tabHost.setCurrentTab(0); tabHost.clearAllTabs(); tabSpec = tabHost.newTabSpec("Label"); tabSpec.setContent(new Intent(this, ContentActivity.class)); // more tabs... This works within the same application. But when an external application is launched, or if the phone returns from idle, this happens. It looks like an internal loop or race condition. Is there a better way to rebuild the TabHost? This is on Cupcake. 12-09 18:55:47.596 E/AndroidRuntime( 1009): Caused by: java.lang.NullPointerException 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.widget.TabWidget.onFocusChange(TabWidget.java:241) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.View.onFocusChanged(View.java:2430) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.View.handleFocusGainInternal(View.java:2258) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.handleFocusGainInternal(ViewGroup.java:398) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.View.requestFocus(View.java:3232) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.requestFocus(ViewGroup.java:1005) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java: 1050) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.requestFocus(ViewGroup.java:1009) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java: 1050) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.requestFocus(ViewGroup.java:1006) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java: 1050) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.requestFocus(ViewGroup.java:1006) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java: 1050) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.requestFocus(ViewGroup.java:1006) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.View.requestFocus(View.java:3183) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewRoot.clearChildFocus(ViewRoot.java:1378) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.clearChildFocus(ViewGroup.java:501) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.clearChildFocus(ViewGroup.java:501) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.clearChildFocus(ViewGroup.java:501) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.clearChildFocus(ViewGroup.java:501) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.clearChildFocus(ViewGroup.java:501) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.removeAllViewsInLayout(ViewGroup.java:2204) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.view.ViewGroup.removeAllViews(ViewGroup.java:2150) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.widget.TabHost.clearAllTabs(TabHost.java:214) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at xx.xx.xx.XXXActivity.onResume(XXXActivity.java:40) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java: 1229) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.app.Activity.performResume(Activity.java:3530) 12-09 18:55:47.596 E/AndroidRuntime( 1009): at android.app.ActivityThread.performResumeActivity(ActivityThread.java: 2619) 12-09 18:55:47.596 E/AndroidRuntime( 1009): ... 10 more -- 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