AsyncTask HttpParams

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http://stackoverflow.com – Could anyone help me on following questions. 1) onPostExecute - Toast.make while in background i am sending HttpRequest. 0nCraeteBunle - execute() ; startNewActivity showing error. AsycTask# Runtime Exception . While commenting Http request in background, no error is showed. here, how can i know that http Request and reply finished , so that i can start my new Activity. 2) how to get HttpParams. Sending from TIBCO BE (As event with properties) 3) What if i am recieving JSONObject, JAVAObject, Integer other than String in onPostExecute. unable to override . (HowTos)