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2021-02-03 1981dee5aec45793d3c4ebdbc4e637528c71b3c5

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package com.weikou.beibeivideo.ui.baidu;
 
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.View;
import android.widget.Toast;
 
import com.androidquery.AQuery;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.viewpagerindicator.FoundTabPageIndicator;
import com.weikou.beibeivideo.BasicTextHttpResponseHandler;
import com.weikou.beibeivideo.BeibeiVideoAPI;
import com.weikou.beibeivideo.BeibeiVideoApplication;
import com.weikou.beibeivideo.ui.MyRetainViewFragment;
import com.weikou.beibeivideo.util.cache.DiskLruCacheManager;
import com.weikou.beibeivideo.util.downutil.StringUtils;
import com.yeshi.ec.library_baiducpu.R;
import com.yeshi.ec.library_baiducpu.entity.BaiDuCPUType;
import com.yeshi.ec.library_baiducpu.fragment.BaiDuCPUContentFragment;
 
import org.apache.http.Header;
import org.json.JSONObject;
 
import java.util.ArrayList;
import java.util.List;
 
/**
 * 百度资讯
 */
public class BaiDuNewsFragment extends MyRetainViewFragment {
 
    private ViewPager viewPager;
    private ContentAdapter contentAdapter;
    private List<BaiDuCPUType> itemList = new ArrayList<>();
    private FoundTabPageIndicator indicator;
    private AQuery mAQuery;
 
 
    public static BaiDuNewsFragment newInstance() {
        BaiDuNewsFragment fragment = new BaiDuNewsFragment();
        fragment.setName("百度资讯");
        return fragment;
    }
 
 
    @Override
    public int getContentResource() {
        return R.layout.fragment_baidu_news_root;
    }
 
    private void initView(View contentView) {
        viewPager = contentView.findViewById(R.id.vp_news);
    }
 
 
    private String getCacheKey() {
        return StringUtils.MD5("getBaiDuNewsTypeList");
    }
 
    private void initData(View contentView) {
        mAQuery = new AQuery(contentView);
        //获取缓存
        String value = DiskLruCacheManager.getInstance(BeibeiVideoApplication.application).getCache(getCacheKey());
        if (!StringUtils.isNullOrEmpty(value)) {
            setData(value);
        }
    }
 
 
    /**
     * 获取类型列表
     */
    private void getTypeList() {
        BeibeiVideoAPI.getBaiDuNewsTypeList(getContext(), new BasicTextHttpResponseHandler() {
 
            @Override
            public void onSuccessPerfect(int statusCode, Header[] headers, JSONObject jsonObject) throws Exception {
                if (jsonObject.optBoolean("IsPost")) {
                    String data = jsonObject.optJSONArray("Data").toString();
                    setData(data);
                    DiskLruCacheManager.getInstance(BeibeiVideoApplication.application).cache(getCacheKey(), data);
                } else {
                    Toast.makeText(getContext(), jsonObject.optString("Msg"), Toast.LENGTH_SHORT).show();
                }
            }
 
            @Override
            public void onFailure(int statusCode, Header[] headers, String responseString, Throwable throwable) {
                super.onFailure(statusCode, headers, responseString, throwable);
            }
        });
    }
 
    private synchronized void setData(String json) {
        List<BaiDuCPUType> list = new Gson().fromJson(json, new TypeToken<List<BaiDuCPUType>>() {
        }.getType());
        //数据一致就不必更新
        if (itemList != null) {
            String data1 = new Gson().toJson(itemList);
            String data2 = new Gson().toJson(list);
            if (data1.equalsIgnoreCase(data2)) {
                return;
            }
        }
        itemList.clear();
        itemList.addAll(list);
        setData();
    }
 
 
    public void setData() {
        contentAdapter = new ContentAdapter(
                getChildFragmentManager(), itemList);
        viewPager.setAdapter(contentAdapter);
        ((FoundTabPageIndicator) mAQuery.id(R.id.indicator).getView()).setViewPager(viewPager);
    }
 
 
    @Override
    public void onCreateView(View contentView, Bundle savedInstanceState) {
        initView(contentView);
        initData(contentView);
        getTypeList();
    }
 
    class ContentAdapter extends FragmentStatePagerAdapter {
        private FragmentManager fm;
 
        private List<BaiDuCPUType> mlist;
 
        public ContentAdapter(FragmentManager fm, List<BaiDuCPUType> list) {
            super(fm);
            this.fm = fm;
            this.mlist = list;
        }
 
        @Override
        public Fragment getItem(int position) {
            Fragment fragment = BaiDuCPUContentFragment.newInstance(mlist.get(position), BaiDuCPUContentFragment.VIEW_TYPE_NEWS);
            return fragment;
        }
 
        @Override
        public int getCount() {
            return mlist.size();
        }
 
 
        @Nullable
        @Override
        public CharSequence getPageTitle(int position) {
            return mlist.get(position).getName();
        }
    }
 
}