android java: foreach through json array returning values?

I'm having trouble doing a for each loop in my java code. I can get single json results, but how do I use a for each loop in this code?

Can someone help me?

public JSONObject feedTimeline(String username) throws ClientProtocolException, IOException, JSONException{
    StringBuilder url = new StringBuilder(URL);
    url.append(username);

    HttpGet get = new HttpGet(url.toString());
    HttpResponse response = client.execute(get);
    int status = response.getStatusLine().getStatusCode();
    if(status == 200){
        HttpEntity e = response.getEntity();
        String data = EntityUtils.toString(e);
        JSONArray timeline = new JSONArray(data);
        for (int i = 0; i < timeline.length(); i++) {
        JSONObject value= timeline.getJSONObject(i); //no error if this i is 0 and without for each loop
        return value; //getting errors because of this return tweets
        }


    }else{
        Toast.makeText(Feed.this,"error",Toast.LENGTH_SHORT);
        return null;
    }
}


public class Read extends AsyncTask<String, Integer, String>{

    @Override
    protected String doInBackground(String... params) {
        // TODO Auto-generated method stub
        try {
            json = feedTimeline("name");
            return json.getString(params[0]); //this would need to change I assume?
        } catch (ClientProtocolException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;
    }

I'm getting an error for JSONObject feedTimeline... if I have the for loop. but if I take that for loop out, and instead of having that i in JSONObject value = timeline.getJSONObject(i) and having a numberical value like 0 or 1, then it does output.

Also, I believe in class Read, return json.getString(params[0]) would also need to be worked in as for loop? I'm just really new to JAVA and I'm trying to learn everything on my own.

Thank you in advance!