title: Implement activity in fragment android
body: <p>I'm using NavigationDrawer in my project, I have MainNavigationFragmentActivity to manage 2 fragments : HomeFragment and SettingsFragment.</p>
  
  <p>Now, I want to use HomeFragment to implement a activity (ManufacturerActivity)</p>
  
  <p>my HomeFragment class:</p>
  
  <pre><code>public class HomeFragment extends Fragment {
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
                           Bundle savedInstanceState) {
      // Inflate the layout for this fragment
      View view = inflater.inflate(R.layout.test1, container, false);
  
      GridView gridView = (GridView) view.findViewById(R.id.gridview);
      gridView.setAdapter(new MyAdapter(getActivity()));
  
      return view;
      } 
  }
  </code></pre>
  
  <p>my ManufacturerActivity class: (this class will get json from URL)</p>
  
  <pre><code>public class ManufacturerActivity extends ListActivity {
  
  // Connection detector
  ConnectionDetector cd;
  
  // Alert dialog manager
  AlertDialogManager alert = new AlertDialogManager();
  
  // Progress Dialog
  private ProgressDialog pDialog;
  
  // Creating JSON Parser object
  JSONParser jsonParser = new JSONParser();
  
  ArrayList&lt;HashMap&lt;String, String&gt;&gt; albumsList;
  
  // albums JSONArray
  JSONArray albums = null;
  
  // albums JSON url
  private static final String URL_ALBUMS = "my URL";
  
  // ALL JSON node names
  private static final String TAG_ID = "id";
  private static final String TAG_NAME = "name";
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.manufacturer_activity);
  
      cd = new ConnectionDetector(getApplicationContext());
  
      // Check for internet connection
      if (!cd.isConnectingToInternet()) {
          // Internet Connection is not present
          alert.showAlertDialog(ManufacturerActivity.this, "Internet Connection Error",
                  "Please connect to working Internet connection", false);
          // stop executing code by return
          return;
      }
  
      // Hashmap for ListView
      albumsList = new ArrayList&lt;HashMap&lt;String, String&gt;&gt;();
  
      // Loading Albums JSON in Background Thread
      new LoadCars().execute();
  
      // get listview
      ListView lv = getListView();
  
      /**
       * Listview item click listener
       * TrackListActivity will be lauched by passing album id
       * */
      lv.setOnItemClickListener(new android.widget.AdapterView.OnItemClickListener() {
          @Override
          public void onItemClick(AdapterView&lt;?&gt; arg0, View view, int arg2,
                                  long arg3) {
              // on selecting a single album
              // TrackListActivity will be launched to show tracks inside the album
              Intent i = new Intent(getApplicationContext(), CategoryCarActivity.class);
  
              // send album id to tracklist activity to get list of songs under that album
              String album_id = ((TextView) view.findViewById(R.id.album_id)).getText().toString();
              i.putExtra("album_id", album_id);
  
              startActivity(i);
          }
      });
  }
  
  /**
   * Background Async Task to Load all Albums by making http request
   * */
  class LoadCars extends AsyncTask&lt;String, String, String&gt; {
  
      /**
       * Before starting background thread Show Progress Dialog
       * */
      @Override
      protected void onPreExecute() {
          super.onPreExecute();
          pDialog = new ProgressDialog(ManufacturerActivity.this);
          pDialog.setMessage("Listing Albums ...");
          pDialog.setIndeterminate(false);
          pDialog.setCancelable(false);
          pDialog.show();
      }
  
      /**
       * getting Albums JSON
       * */
      protected String doInBackground(String... args) {
          // Building Parameters
          List&lt;NameValuePair&gt; params = new ArrayList&lt;NameValuePair&gt;();
  
          // getting JSON string from URL
          String json = jsonParser.makeHttpRequest(URL_ALBUMS, "GET",
                  params);
  
          // Check your log cat for JSON reponse
          Log.d("Albums JSON: ", "&gt; " + json);
  
          try {
              albums = new JSONArray(json);
              if (albums != null) {
                  // looping through All albums
                  for (int i = 0; i &lt; albums.length(); i++) {
                      JSONObject c = albums.getJSONObject(i);
  
                      // Storing each json item values in variable
                      String id = c.getString(TAG_ID);
                      String name = c.getString(TAG_NAME);                        
  
                      // creating new HashMap
                      HashMap&lt;String, String&gt; map = new HashMap&lt;String, String&gt;();
  
                      // adding each child node to HashMap key =&gt; value
                      map.put(TAG_ID, id);
                      map.put(TAG_NAME, name);
                      // map.put(TAG_SONGS_COUNT, songs_count);
  
                      // adding HashList to ArrayList
                      albumsList.add(map);
                  }
              }else{
                  Log.d("Albums: ", "null");
              }
  
          } catch (JSONException e) {
              e.printStackTrace();
          }
  
          return null;
      }
  
      /**
       * After completing background task Dismiss the progress dialog
       * **/
      protected void onPostExecute(String file_url) {
          // dismiss the dialog after getting all albums
          pDialog.dismiss();
          // updating UI from Background Thread
          runOnUiThread(new Runnable() {
              public void run() {
                  /**
                   * Updating parsed JSON data into ListView
                   * */
                  ListAdapter adapter = new SimpleAdapter(
                          ManufacturerActivity.this, albumsList,
                          R.layout.list_item_manufacturers, new String[] { TAG_ID,
                          TAG_NAME }, new int[] {
                          R.id.album_id, R.id.album_name });
  
                  // updating listview
                  setListAdapter(adapter);
              }
          });
  
      }
  
  }
  </code></pre>
  
  <p>}</p>
  
  <p>How I can implement ManufacturerActivity in HomeFragment and get ListView data from JSON?
  Thank so much !!</p>