org.json.JSONException: Value {"Reference":"".."} of type java.lang.String cannot be converted to JSONArray

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Mobile

Android

WCFServices

Hi, my problem is that when i try to parse from my wcf service into android it gives me an error. the return for my service is with JSON. this is my android code:

DefaultHttpClient client = new DefaultHttpClient();
// http get request
HttpGet request = new HttpGet("http://192.168.1.125:8181/Managers/Authentification.svc/authen/?loga="+t1.getText().toString()+"&pass="+t2.getText().toString());

// set the hedear to get the data in JSON formate
request.setHeader("Accept", "application/json");
request.setHeader("Content-type", "application/json");

//get the response
HttpResponse response = client.execute(request);
System.out.println("Connectee--->" +response.getAllHeaders());

HttpEntity entity = response.getEntity();

//if entity contect lenght 0, means no data exist in the system with these code
if(entity.getContentLength() != 0) {
// stream reader object
Reader employeeReader = new InputStreamReader(response.getEntity().getContent());
//create a buffer to fill it from reader
char[] buffer = new char[(int) response.getEntity().getContentLength()];
//fill the buffer by the help of reader
employeeReader.read(buffer);
//close the reader streams
employeeReader.close();

//for the employee json object
JSONObject tt = new JSONObject(new String(buffer));

System.out.println("..................OK.........................");

System.out.println("Reference: " + tt.getString("Reference"));
}
else {
System.out.println("...................Not OK........................");
}

}
catch (JSONException e) {
System.out.println("...................ERRORJSON........................");
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
System.out.println("...................ERROR........................");
e.printStackTrace();
}

}
});