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- import java.util.ArrayList;
- import java.util.HashMap;
- import org.json.JSONArray;
- import org.json.JSONException;
- import org.json.JSONObject;
- import android.app.Activity;
- import android.app.ProgressDialog;
- import android.os.AsyncTask;
- import android.os.Bundle;
- import android.view.View;
- import android.widget.AdapterView;
- import android.widget.Button;
- import android.widget.ListAdapter;
- import android.widget.ListView;
- import android.widget.SimpleAdapter;
- import android.widget.TextView;
- import android.widget.Toast;
- public class MainActivity extends Activity {
- ListView list;
- TextView ver;
- TextView name;
- TextView api;
- Button Btngetdata;
- ArrayList<HashMap<String, String>> oslist = new ArrayList<HashMap<String, String>>();
- //URL to get JSON Array
- private static String url = "*****";
- //JSON Node Names
- private static final String TAG_OS = "android";
- private static final String TAG_VER = "ver";
- private static final String TAG_NAME = "name";
- private static final String TAG_API = "api";
- JSONArray android = null;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- oslist = new ArrayList<HashMap<String, String>>();
- Btngetdata = (Button)findViewById(R.id.getdata);
- Btngetdata.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View view) {
- new JSONParse().execute();
- }
- });
- }
- private class JSONParse extends AsyncTask<String, String, JSONObject> {
- private ProgressDialog pDialog;
- @Override
- protected void onPreExecute() {
- super.onPreExecute();
- ver = (TextView)findViewById(R.id.vers);
- name = (TextView)findViewById(R.id.name);
- api = (TextView)findViewById(R.id.api);
- pDialog = new ProgressDialog(MainActivity.this);
- pDialog.setMessage("Getting Data ...");
- pDialog.setIndeterminate(false);
- pDialog.setCancelable(true);
- pDialog.show();
- }
- @Override
- protected JSONObject doInBackground(String... args) {
- JSONParser jParser = new JSONParser();
- // Getting JSON from URL
- JSONObject json = jParser.getJSONFromUrl(url);
- return json;
- }
- @Override
- protected void onPostExecute(JSONObject json) {
- pDialog.dismiss();
- try {
- // Getting JSON Array from URL
- android = json.getJSONArray(TAG_OS);
- for(int i = 0; i < android.length(); i++){
- JSONObject c = android.getJSONObject(i);
- // Storing JSON item in a Variable
- String ver = c.getString(TAG_VER);
- String name = c.getString(TAG_NAME);
- String api = c.getString(TAG_API);
- // Adding value HashMap key => value
- HashMap<String, String> map = new HashMap<String, String>();
- map.put(TAG_VER, ver);
- map.put(TAG_NAME, name);
- map.put(TAG_API, api);
- oslist.add(map);
- list=(ListView)findViewById(R.id.list);
- ListAdapter adapter = new SimpleAdapter(MainActivity.this, oslist,
- R.layout.list_v,
- new String[] { TAG_VER,TAG_NAME, TAG_API }, new int[] {
- R.id.vers,R.id.name, R.id.api});
- list.setAdapter(adapter);
- list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
- @Override
- public void onItemClick(AdapterView<?> parent, View view,
- int position, long id) {
- Toast.makeText(MainActivity.this, "You Clicked at "+oslist.get(+position).get("name"), Toast.LENGTH_SHORT).show();
- }
- });
- }
- } catch (JSONException e) {
- e.printStackTrace();
- }
- }
- }
- }
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.InputStreamReader;
- import java.io.UnsupportedEncodingException;
- import org.apache.http.HttpEntity;
- import org.apache.http.HttpResponse;
- import org.apache.http.client.ClientProtocolException;
- import org.apache.http.client.methods.HttpPost;
- import org.apache.http.impl.client.DefaultHttpClient;
- import org.json.JSONException;
- import org.json.JSONObject;
- import android.util.Log;
- public class JSONParser {
- static InputStream is = null;
- static JSONObject jObj = null;
- static String json = "";
- // constructor
- public JSONParser() {
- }
- public JSONObject getJSONFromUrl(String url) {
- // Making HTTP request
- try {
- // defaultHttpClient
- DefaultHttpClient httpClient = new DefaultHttpClient();
- HttpPost httpPost = new HttpPost(url);
- HttpResponse httpResponse = httpClient.execute(httpPost);
- HttpEntity httpEntity = httpResponse.getEntity();
- is = httpEntity.getContent();
- } catch (UnsupportedEncodingException e) {
- e.printStackTrace();
- } catch (ClientProtocolException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
- try {
- BufferedReader reader = new BufferedReader(new InputStreamReader(
- is, "iso-8859-1"), 8);
- StringBuilder sb = new StringBuilder();
- String line = null;
- while ((line = reader.readLine()) != null) {
- sb.append(line + "n");
- }
- is.close();
- json = sb.toString();
- } catch (Exception e) {
- Log.e("Buffer Error", "Error converting result " + e.toString());
- }
- // try parse the string to a JSON object
- try {
- jObj = new JSONObject(json);
- } catch (JSONException e) {
- Log.e("JSON Parser", "Error parsing data " + e.toString());
- }
- // return JSON String
- return jObj;
- }
- }
- List<list> varr = yourlist;
- for (list result : varr) {
- // action such as.. if result
- }
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