Connecting Java to my database

[scooby009]

Hello I am pretty new at java and creating an android app. For some reason I can not get my webview to display the data in my database, it "force closes". Also can someone just confirm I am doing my intent correctly, I would like the main list view open in webview then once an item is clicked it will go to another listview. here is the code below with the php code

package the.review;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.ListActivity;
import android.content.Intent;
import android.net.ParseException;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class ClassReviewActivity extends ListActivity {
int un_id;
String[] un_name = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//setContentView(R.layout.main);
String result = null;
InputStream is = null;
StringBuilder sb=null;
//http post
try{
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://10.0.2.2/UniversityPage.php");
//httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse response = httpclient.execute(httppost);
HttpEntity entity = response.getEntity();
is = entity.getContent();
}catch(Exception e){
Log.e("log_tag", "Error in http connection"+e.toString());
}
//convert response to string
try{
BufferedReader reader = new BufferedReader(new InputStreamReader(is,"iso-8859-1"),8);
sb = new StringBuilder();
sb.append(reader.readLine() + "\n");
String line="0";
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
is.close();
result=sb.toString();
}catch(Exception e){
Log.e("log_tag", "Error converting result "+e.toString());
}
//paring data
JSONArray jArray;
try{
jArray = new JSONArray(result);
JSONObject json_data=null;
un_name=new String[jArray.length()];
for(int i=0;i<jArray.length();i++){
json_data = jArray.getJSONObject(i);
un_id=json_data.getInt("ID");
un_name[i]=json_data.getString("University");
}
}
catch(JSONException e1){
Toast.makeText(getBaseContext(), "No University Found" ,Toast.LENGTH_LONG).show();
} catch (ParseException e1) {
e1.printStackTrace();
}
setListAdapter(new
ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,
un_name));
ListView lv;
lv = getListView();
lv.setTextFilterEnabled(true);
lv.setOnItemClickListener(new OnItemClickListener() {
	

	public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
		// TODO Auto-generated method stub
		Toast.makeText(getApplicationContext(), un_name[position]+" was Clicked", Toast.LENGTH_SHORT).show();
		if(position == 0)
		{
		Intent myIntent = new Intent (getApplicationContext(), (BenedictineCourses.class));
		startActivityForResult(myIntent, 0);
	}
	}	
});
}

And here is my PHP

<?php
mysql_connect("127.0.0.1" "root");
mysql_select_db("Professors");
$q=mysql_query("SELECT * FROM professors WHERE University like 'A%'");
while($row = mysql_fetch_assoc($sql))
$output[]=$row;
print (json_encode($output));
mysql_close();
?>

Thank you for any help