package com.weikou.beibeivideo.ui.category.fragment;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.support.v4.widget.SwipeRefreshLayout;
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import android.view.View;
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import android.widget.ListView;
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import android.widget.ProgressBar;
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import com.google.gson.FieldNamingPolicy;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.reflect.TypeToken;
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import com.lcjian.library.RetainViewFragment;
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import com.umeng.analytics.MobclickAgent;
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import com.weikou.beibeivideo.BasicTextHttpResponseHandler;
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import com.weikou.beibeivideo.BeibeiVideoAPI;
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import com.weikou.beibeivideo.ui.category.NewStarAdapter;
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import com.weikou.beibeivideo.ui.category.bean.HotStar;
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import com.weikou.beibeivideo.R;
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import com.weikou.beibeivideo.widget.MySwipeRefreshLayout;
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import org.apache.http.Header;
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import org.json.JSONObject;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 明星fragment
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*/
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public class StarFragment extends RetainViewFragment {
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private MySwipeRefreshLayout rl_starView;
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private ListView starView;
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private int starPage = 1;
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private NewStarAdapter starAdapter;
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private List<HotStar> hotStars = new ArrayList<HotStar>();
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//判断网络请求是否成功，默认成功，避免二次执行请求
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private boolean isSucceed = true;
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/**
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* 获取热门明星数据
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*/
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private void getHotStars() {
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SharedPreferences preferences = starView.getContext().getSharedPreferences(
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"user", Context.MODE_PRIVATE);
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String uid = preferences.getString("uid", "");
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BeibeiVideoAPI.getHotStars(starView.getContext(), uid,
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String.valueOf(starPage), new BasicTextHttpResponseHandler() {
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@Override
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public void onSuccessPerfect(int statusCode,
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Header[] headers, JSONObject jsonObject)
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throws Exception {
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if (jsonObject.getBoolean("IsPost")) {
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Gson gson = new GsonBuilder().setFieldNamingPolicy(
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FieldNamingPolicy.UPPER_CAMEL_CASE)
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.create();
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List<HotStar> hotStarList = gson.fromJson(
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jsonObject.getJSONObject("Data")
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.getJSONArray("data").toString(),
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new TypeToken<List<HotStar>>() {
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}.getType());
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if (starPage == 1) {
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hotStars.clear();
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}
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// 数量小于服务器数量时 才增加分页和添加数据
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if (hotStars.size() < jsonObject.getJSONObject(
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"Data").getInt("count")) {
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starPage++;
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/**
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* 特殊情况： 服务器上不要出现最后一个为一行的情况，否则会导致刷新异常。
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* 具体表现形式就是：上拉加载后,数据已添加,界面刷新,但是此时上拉不会显示出
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* 加载的新内容，而是继续保持上拉加载的状态，如果往上滑动一小段距离再滑回来
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* 才能显示出新内容。
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*/
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if (hotStarList.size() % 3 == 1) {// 单独一个的情况处理
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hotStarList.remove(hotStarList.size() - 1);//移除最后一个，添加其他的
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hotStars.addAll(hotStarList);
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} else {
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hotStars.addAll(hotStarList);
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}
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starAdapter.notifyDataSetChanged();
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}
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isSucceed = true;
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}
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}
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@Override
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public void onFailure(int statusCode, Header[] headers,
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byte[] responseBytes, Throwable throwable) {
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super.onFailure(statusCode, headers, responseBytes, throwable);
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isSucceed = false;
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}
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@Override
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public void onFinish() {
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rl_starView.setRefreshing(false);
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rl_starView.setLoading(false);
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}
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});
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}
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@Override
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public int getContentResource() {
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return R.layout.category_star;
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}
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@Override
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public void onResume() {
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super.onResume();
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MobclickAgent.onPageStart("主界面—分类—明星");
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}
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@Override
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public void onPause() {
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super.onPause();
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MobclickAgent.onPageEnd("主界面—分类—明星");
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}
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@Override
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public void onCreateView(View contentView, Bundle savedInstanceState) {
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rl_starView = contentView.findViewById(R.id.rl_starView);
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starView = (ListView) contentView.findViewById(R.id.star_ptrgv);
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starAdapter = new NewStarAdapter(hotStars, getContext());
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View view = new View(rl_starView.getContext());
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starView.addHeaderView(view);
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ProgressBar pb=new ProgressBar(rl_starView.getContext());
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rl_starView.setFooter(pb);
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starView.setAdapter(starAdapter);
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rl_starView.setRefreshing(true);
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rl_starView.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
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@Override
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public void onRefresh() {
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starPage = 1;
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getHotStars();
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}
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});
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rl_starView.setOnLoadListener(new MySwipeRefreshLayout.OnLoadListener() {
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@Override
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public void onLoad() {
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getHotStars();
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}
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});
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getHotStars();
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}
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/**
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* 刷新明星页
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*/
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public void refreshHotStars() {
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if (!isSucceed) {//没数据才刷新
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getHotStars();
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}
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}
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}
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