java - Uploading file using apache httpclient -

i trying write program in android uploads file server. want use apache httpclient that.

here code:

string url = "http://192.168.1.103:8080";     file file = new file("/sdcard/alireza/ali.txt");     try {         httpclient httpclient = new defaulthttpclient();         httppost httppost = new httppost(url);         inputstreamentity reqentity = new inputstreamentity(new fileinputstream(file), -1);         reqentity.setcontenttype("binary/octet-stream");         reqentity.setchunked(true); // send in multiple parts if needed         httppost.setentity(reqentity);         toast.maketext(getapplicationcontext(),"executing...",toast.length_long).show();         httpresponse response = httpclient.execute(httppost);         toast.maketext(getapplicationcontext(),"done",toast.length_long).show();         //do response...     }catch (exception e){      } 

the done toast doesn't appear.