android file upload to server

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http://stackoverflow.com – i found this code , but dor some reason the file dont sent into my server , the UPLOADFILE func seem not to work, can someone point out what is the problem ? main activity : package com.eilonudi.httpfileupload; import java.io.FileInputStream; import java.io.FileNotFoundException; import android.os.Bundle; import android.os.Environment; import android.app.Activity; import android.util.Log; import android.view.Menu; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setCont (HowTos)