Thanks for time. Very silly mistake, i just forgot the restore the Facebook session.
Regards, Mahavir On Sat, Mar 19, 2011 at 5:25 PM, Kostya Vasilyev <[email protected]> wrote: > Mahavir, > > You should use the debugger to find out what happens in > FBQueryAsyncTask.java on line 50. The next thing on the stack is Facebook > API methods, which eventually crash with a null pointer exception. > > A probable cause for this is that you're passing a null pointer to Facebook > APIs from doInBackground. Use the debugger to confirm this and find out why > this happens. > > -- Kostya > > 19.03.2011 14:43, Mahavir Jain пишет: > > No, I am not calling from onReceive() method of app-widget. > > I will tell you step-by-step what I am doing: > 1) There is my configuration Activity of my AppWidget class which perform > the FB authentication and then retrieves the wall post using > FBQueryAsyncTask. It do this successfully. > 2) In my updateAppWidget() method, I update the remote views and assign the > following pending intents to "next" button of my app-widget. > > Intent intent=new Intent(context,GetPostService.class); > //GetPostService is service class > Bundle b=new Bundle(); > b.putInt(MyWidgetProvider.APP_WIDGET_ID, id); > b.putInt(MyWidgetProvider.REQUEST_CODE, > MyWidgetProvider.NEXT_FB_POST); > intent.putExtras(b); > > PendingIntent nextPostService=PendingIntent.getService(context, 0, > intent, PendingIntent.FLAG_UPDATE_CURRENT); > views.setOnClickPendingIntent(R.id.next_button, nextPostService); > > 3) In GetPostService, I am using the same FBQueryAsync class which I have > used in configuration activity (to authenticate and retrieve the post) and > with same parameter. But it throwing exception in my service class and it > running perfectly in my configuration activity. > > I may be missing something. Following is my ManifestXML where I have > mentioned service, widget provider and cofiguration activity: > > <activity android:name=".FBCredentialsActivity" > android:theme="@style/Theme.Transparent"> > <intent-filter> > <action > android:name="android.appwidget.action.APPWIDGET_CONFIGURE" /> > </intent-filter> > </activity> > <receiver android:name="MyWidgetProvider"> > <intent-filter> > <action > android:name="android.appwidget.action.APPWIDGET_UPDATE" /> > </intent-filter> > <meta-data android:name="android.appwidget.provider" > android:resource="@xml/widget_provider"/> > </receiver> > <service android:name=".GetPostService"></service> > > Thanks for giving time. > > Regards, > Mahavir > > On Sat, Mar 19, 2011 at 4:43 PM, Kostya Vasilyev <[email protected]>wrote: > >> 19.03.2011 13:57, Mahavir Jain пишет: >> >> >>> Is it valid to call AsyncTask from PendingIntent service or activity? >>> >> >> AsyncTask has nothing to do with pending intents or activities. It's just >> a utility class. >> >> Check your logcat more carefully: >> >> >> ERROR/AndroidRuntime(473): Caused by: java.lang.NullPointerException >>> ERROR/AndroidRuntime(473): at >>> java.net.URLEncoder.encode(URLEncoder.java:53) >>> ERROR/AndroidRuntime(473): at >>> com.facebook.android.Util.encodeUrl(Util.java:86) >>> ERROR/AndroidRuntime(473): at >>> com.facebook.android.Util.openUrl(Util.java:146) >>> ERROR/AndroidRuntime(473): at >>> com.mobisys.android.app_widget.FBQueryAsyncTask.doInBackground(FBQueryAsyncTask.java:50) >>> >> >> Assuming that com.mobisys is your application, look in FBQueryAsync.java, >> line 50. >> >> Are you somehow calling Facebook classes with a NULL pointer? >> >> Are you using AsyncTask from a widget's onReceive? >> >> -- >> Kostya Vasilyev -- http://kmansoft.wordpress.com >> >> >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > > > > -- > Kostya Vasilyev -- http://kmansoft.wordpress.com > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
