示例#1
0
  /** Topic hierarchy parsing */
  public static TopicNode parseTopics(String json) throws JSONException {
    JSONObject jTopics = new JSONObject(json);
    ArrayList<TopicNode> topics = parseTopicChildren(jTopics);
    TopicNode root = new TopicNode();

    root.setChildren(topics);

    return root;
  }
示例#2
0
  /** Reads through the given JSONObject and adds any topics to the given topic. */
  private static ArrayList<TopicNode> parseTopicChildren(JSONObject jTopic) throws JSONException {
    // Don't allocate any lists if it's empty.
    if (jTopic.length() == 0) {
      return null;
    }

    @SuppressWarnings("unchecked")
    Iterator<String> iterator = jTopic.keys();
    String topicName;
    ArrayList<TopicNode> topics = new ArrayList<TopicNode>();
    TopicNode currentTopic;

    while (iterator.hasNext()) {
      topicName = iterator.next();

      currentTopic = new TopicNode(topicName);
      currentTopic.setChildren(parseTopicChildren(jTopic.getJSONObject(topicName)));

      topics.add(currentTopic);
    }

    return topics;
  }
  @Override
  public void onCreate(Bundle savedState) {
    super.onCreate(savedState);

    setContentView(R.layout.topic_view);

    showLoading(R.id.loading_container);

    if (savedState == null) {
      mTopicView = new TopicViewFragment();
      Bundle extras = getIntent().getExtras();

      if (extras != null) {
        if (extras.containsKey(GuideViewActivity.TOPIC_NAME_KEY)) {
          setTitle(extras.getString(GuideViewActivity.TOPIC_NAME_KEY));
        }

        mTopicView.setArguments(extras);
      }

      FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
      ft.replace(R.id.topic_view_fragment, mTopicView);
      ft.commit();
    } else {
      mTopicView =
          (TopicViewFragment)
              getSupportFragmentManager().findFragmentById(R.id.topic_view_fragment);
    }

    mTopicNode = (TopicNode) getIntent().getSerializableExtra(TOPIC_KEY);

    if (mTopicNode != null) {
      setTitle(mTopicNode.getDisplayName());

      App.sendScreenView("/category/" + mTopicNode.getName());
    }
  }