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POGet ISBN from Google Books API
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copied!<p>I have been trying all evening to get ISBN number from google Books API from book title. So far after trying several solution from SO and Google, I have come upto below code where I am getting error in the line "BufferedReader responseReader = new BufferedReader........"</p> <p>My head is now totally blocked, so any help will be very very much appreciated ...</p> <p>(I have API Key, which I am not using here during testing)</p> <p><strong>CODE:</strong></p> <pre><code>public void getGoogle(View v) { String result = ""; String link = "https://www.googleapis.com/books/v1/volumes?q=intitle:'farmer+boy'+inauthor:'laura+ingalls+wilder'&projection=full&langRestrict=en&maxResults=1"; HttpURLConnection connection = null; try { URL url = new URL(link); connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("GET"); connection.setReadTimeout(5000); connection.setConnectTimeout(5000); } catch (Exception e) { Log.e("log_tag", "Error in http connection " + e.toString()); } try { StringBuilder builder = new StringBuilder(); BufferedReader responseReader = new BufferedReader(new InputStreamReader(connection.getInputStream(), "iso-8859-1"),8); String line = responseReader.readLine(); while (line != null){ builder.append(line + "\n"); line = responseReader.readLine(); } connection.disconnect(); result = builder.toString(); } catch (Exception e) { Log.e("log_tag", "Error converting result: " + e.toString()); } // parse json data try { JSONArray jArray = new JSONArray(result); String isbn; JSONObject json = jArray.getJSONObject(0); isbn = json.getString("kind"); EditText isbnfld = (EditText) findViewById(R.id.isbn); isbnfld.setText(isbn); } catch (JSONException e) { Toast.makeText(getApplicationContext(), "Error parsing data.", Toast.LENGTH_LONG).show(); } catch (Exception e) { Toast.makeText(getApplicationContext(), "Problem importing data.", Toast.LENGTH_LONG).show(); } } </code></pre> <p><strong>LOGCAT:</strong></p> <pre><code>12-04 11:32:06.025: E/log_tag(1761): Error converting result: android.os.NetworkOnMainThreadException </code></pre>

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