// 存储TimeLine到SharedPreferences中
private void saveTimeline() {
S.put(getActivity(), "timeline_list", "");
int count = listPostAdapter.getCount() > 10 ? 10 : listPostAdapter.getCount(); // 只保存前10条
String targetString = "";
String seperator = S.regularEx;
for (int i = 0; i < count; i++) {
PostBean bean = (PostBean) listPostAdapter.getItem(i);
// 1id 2链接 3标题 4作者 5时间 6图片地址 7头图URL 8注释 9类型
targetString =
targetString
+ seperator
+ String.valueOf(bean.getId())
+ seperator
+ bean.getItemURL()
+ seperator
+ bean.getTitle()
+ seperator
+ bean.getAuthor()
+ seperator
+ bean.getCreatedAt()
+ seperator
+ bean.getImageUrl()
+ seperator
+ bean.getHeaderImageUrl()
+ seperator
+ bean.getDescription()
+ seperator
+ bean.getContentType();
}
S.put(getActivity(), "timeline_list", targetString);
}
// 解析Timeline接口返回的数据
private void handlePostExecute(String result, int type) {
if (!isNetworkConnected(getActivity())) {
Util.showToast(getActivity(), "没有可用网络,请检查网络设置~");
listView.onRefreshComplete();
} else if (result == "") {
Util.showToast(getActivity(), "网络开小差了,不如再试试吧~");
listView.onRefreshComplete();
} else {
LinkedList<PostBean> postBeans = PostBean.parseBabietaTimeline(result, getActivity());
if (type == 0) {
listPostAdapter.clearPost(); // 上拉刷新,清空原来的数据
listPostAdapter.appendPost(postBeans);
listPostAdapter.sortPost();
saveTimeline();
} else { // 下拉刷新,直接添加数据
listPostAdapter.appendPost(postBeans);
listPostAdapter.sortPost();
}
listPostAdapter.notifyDataSetInvalidated();
TextView textView = (TextView) pageView.findViewById(R.id.vp_main_text);
if (listPostAdapter.getCount() == 0) {
textView.setText("还没有内容，下拉刷新看看~");
} else {
textView.setText("新闻列表");
textView.setVisibility(View.GONE);
}
listView.onRefreshComplete();
}
}
// Fragment在不可见的时候会回收所有View，所以在出栈的时候上一个Fragment需要重新初始化View
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
this.view = inflater.inflate(R.layout.index_timeline, container, false);
this.initPostListView(); // Timeline部分
this.initPageView(); // Focus部分
if (focusLoadedFlag == false) requestForFocus();
listPostAdapter.notifyDataSetChanged();
TextView textView = (TextView) pageView.findViewById(R.id.vp_main_text);
if (listPostAdapter.getCount() == 0) {
textView.setText("下拉刷新看看~");
} else {
textView.setText("新闻列表");
textView.setVisibility(View.GONE);
}
return view;
}
// 从本地缓存读取TimeLine
private boolean loadTimeline() {
LinkedList<PostBean> postBeans = new LinkedList<PostBean>();
String[] collectlist = S.getStringSet(getActivity(), "timeline_list");
for (int i = 1; i < (collectlist.length); i++) {
// System.out.println(collectlist[i]);
}
for (int i = 1; i < (collectlist.length); ) {
PostBean postBean = new PostBean();
try {
Integer.valueOf(collectlist[i]);
} catch (Exception e) {
e.printStackTrace();
S.put(getActivity(), "timeline_list", "");
return false;
}
postBean.setId(Integer.valueOf(collectlist[i]));
postBean.setItemURL(collectlist[i + 1]);
postBean.setTitle(collectlist[i + 2]);
postBean.setAuthor(collectlist[i + 3]);
postBean.setUpdatedAt(collectlist[i + 4]);
postBean.setCreatedAt(collectlist[i + 4]); // (注意这个时间同updated_at)
postBean.setImageUrl(collectlist[i + 5]);
postBean.setHeaderImageUrl(collectlist[i + 6]);
postBean.setDescription(collectlist[i + 7]);
postBean.setContentType(collectlist[i + 8]);
postBeans.add(postBean); // 添加到链表
i = i + 9;
}
listPostAdapter.appendPost(postBeans);
listPostAdapter.sortPost();
return true;
}