@Override
public void onRefresh() {
if (Application.connectedType == ConnectivityManager.TYPE_WIFI) {
String url;
if (cacheList.size() == 0) {
// 如果不判断，那么在第一次进入断网未加载出数据，再次刷新时会奔溃
url = Interface.fuliImageUrl + "&page=0&page_size=30&max_timestamp=-1&latest_viewed_ts=0";
} else {
url =
Interface.fuliImageUrl
+ "&page=0&page_size=30&max_timestamp=-1&latest_viewed_ts="
+ cacheList.get(0).getUpdate_time();
}
HttpUtils.get(url, new GetData(false));
} else if (Application.connectedType == ConnectivityManager.TYPE_MOBILE) {
ViewUtils.showToast(getString(R.string.not_allow_refresh));
mRefreshLayout.setRefreshing(false);
} else {
ViewUtils.showToast(getString(R.string.not_connect_netWork));
mRefreshLayout.setRefreshing(false);
}
}
public void initData() {
List<ImageCache> mCacheData = DBUtils.queryImageCache(urlType);
if (mCacheData.size() != 0) {
// 从缓存中获取数据，并适配数据
cacheList = JsonUtils.jsonArray2list(mCacheData.get(0).getData(), FuLiImageBean.class);
adapter = new FuLiAdapter(cacheList, R.layout.item_recyclerview_beautyimage);
mRecyclerView.setAdapter(adapter);
adapterListener(adapter);
page++;
} else { // 第一次进入
mRefreshLayout.setProgressViewOffset(false, 0, ViewUtils.dip2px(getActivity(), 30));
mRefreshLayout.setRefreshing(true);
String url =
Interface.fuliImageUrl + "&page=0&page_size=30&max_timestamp=-1&latest_viewed_ts=0";
HttpUtils.get(url, new GetData(false));
}
}
@Override
public void success(String response) {
try {
JSONObject jsonObject = new JSONObject(response);
JSONArray jsonArray = (JSONArray) jsonObject.opt("items");
List<FuLiImageBean> beautyImageList =
JsonUtils.jsonArray2list(jsonArray.toString(), FuLiImageBean.class);
if (isGetDataByScroll && beautyImageList != null) {
// 当前是滚动获取数据
for (int i = 0; i < beautyImageList.size(); i++) {
cacheList.add(beautyImageList.get(i));
}
adapter.notifyDataSetChanged();
adapter.removeFooterView();
page++;
} else if (beautyImageList != null) {
// 第一次进入或者正在刷新
List<ImageCache> mCacheData = DBUtils.queryImageCache(urlType);
if (mCacheData.size() == 0) {
mRefreshLayout.setRefreshing(false);
// 第一次进入
for (int i = 0; i < beautyImageList.size(); i++) {
cacheList.add(beautyImageList.get(i));
}
adapter = new FuLiAdapter(cacheList, R.layout.item_recyclerview_beautyimage);
mRecyclerView.setAdapter(adapter);
adapterListener(adapter);
DBUtils.addImageCache(jsonArray.toString(), "", urlType);
page++;
} else {
// 正在刷新
mRefreshLayout.setRefreshing(false);
int newDataTime = Integer.parseInt(beautyImageList.get(0).getUpdate_time());
int oldDataTime = Integer.parseInt(cacheList.get(0).getUpdate_time());
// 如果获取到的第一条数据和缓存List中的第一条数据相同，则没有新数据
if (newDataTime == oldDataTime) {
ViewUtils.showToast(getString(R.string.NoMoreNewData));
} else { // 900秒更新一条数据，哈哈，这都被我发现了
int newDataNum = (newDataTime - oldDataTime) / 900;
ViewUtils.showToast(
getString(R.string.update_new_data_num).replace("***", newDataNum + ""));
if (newDataNum > 30) {
cacheList.clear();
} else {
beautyImageList = beautyImageList.subList(0, newDataNum);
}
for (int i = 0; i < beautyImageList.size(); i++) {
cacheList.add(i, beautyImageList.get(i));
}
adapter.notifyDataSetChanged();
DBUtils.clearImageCache(urlType);
DBUtils.addImageCache(jsonArray.toString(), "", urlType);
}
}
}
isLoading = false;
} catch (JSONException e) {
isLoading = false;
mRefreshLayout.setRefreshing(false);
adapter.removeFooterView();
e.printStackTrace();
}
}