Onemorething

10-13 21:36:55.846: D/dalvikvm(30934): threadid=11: exiting
10-13 21:36:55.846: W/dalvikvm(30934): threadid=11: thread exiting with uncaught exception (group=0x4108e9a8)
10-13 21:36:55.846: D/dalvikvm(30934): threadid=13: notify debugger
10-13 21:36:55.847: D/dalvikvm(30934): threadid=13 (AsyncTask #3): calling run()
10-13 21:36:55.850: E/AndroidRuntime(30934): FATAL EXCEPTION: AsyncTask #1
10-13 21:36:55.850: E/AndroidRuntime(30934): java.lang.RuntimeException: An error occured while executing doInBackground()
10-13 21:36:55.850: E/AndroidRuntime(30934):    at android.os.AsyncTask$3.done(AsyncTask.java:299)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at java.util.concurrent.FutureTask.run(FutureTask.java:239)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at java.lang.Thread.run(Thread.java:838)
10-13 21:36:55.850: E/AndroidRuntime(30934): Caused by: java.lang.ArrayIndexOutOfBoundsException: length=2; index=2
10-13 21:36:55.850: E/AndroidRuntime(30934):    at com.example.providenceartapp.JsonReadTask.doInBackground(JsonReadTask.java:29)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at com.example.providenceartapp.JsonReadTask.doInBackground(JsonReadTask.java:1)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at android.os.AsyncTask$2.call(AsyncTask.java:287)
10-13 21:36:55.850: E/AndroidRuntime(30934):    at java.util.concurrent.FutureTask.run(FutureTask.java:234)
10-13 21:36:55.850: E/AndroidRuntime(30934):    ... 4 more

The code part which I edited to get this error:
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);

String [] parametersPost = (String []) params[1];
String thepost = parametersPost[0];
        nameValuePairs.add(new BasicNameValuePair("getgallery", thepost));
        httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
        HttpResponse response = httpclient.execute(httppost);

//---
//I did edit the following things too:
//Old:
callerActivity = (MainActivity) params[1];
//New:
callerActivity = (MainActivity) params[2];

//Old:
    private void runJsonTask() {
        JsonReadTask jsonTask = new JsonReadTask();
        jsonTask.execute(new String[] { url },this);
    }
//New:
    private void runJsonTask() {
        JsonReadTask jsonTask = new JsonReadTask();
        jsonTask.execute(new String[] { url, post },this);
    }