package com.novelbook.android.Fragments; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v7.widget.GridLayoutManager; import android.support.v7.widget.RecyclerView; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import com.google.gson.JsonArray; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonParser; import com.novelbook.android.Activity_cate_books; import com.novelbook.android.R; import com.novelbook.android.activity_cates; import com.novelbook.android.bean.Cataloge; import com.novelbook.android.netsubscribe.BookSubscribe; import com.novelbook.android.netutils.OnSuccessAndFaultListener; import com.novelbook.android.netutils.OnSuccessAndFaultSub; import com.novelbook.android.utils.Constants; import com.novelbook.android.utils.ImageUtil; import com.umeng.analytics.MobclickAgent; import org.json.JSONObject; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import butterknife.BindView; import butterknife.ButterKnife; public class FragmentCates extends BasicFragment { public static final String TAG =FragmentCates.class.getSimpleName(); @BindView(R.id.mRecyclerView) RecyclerView mRecyclerView; private BookListAdapter mAdapter; private List mCataloges; @Override protected int getLayoutRes() { return R.layout.fragment_cates; } @Override protected void initData() { showProgressDialog(true, "正在加载"); BookSubscribe.getCates(Constants.SEX,new OnSuccessAndFaultSub(new OnSuccessAndFaultListener() { @Override public void onSuccess(String result) { Log.d(TAG, String.format("init data HttpMethods successed on init, trycnt %s " ,error_try)); error_try =0; // mFirstPage= gson.fromJson(result, FirstPage.class); try { JSONObject jsonObject = new JSONObject(result); String resultstr = jsonObject.getString("nts"); mCataloges = parserJsonArray(resultstr); handler.sendEmptyMessage(1); } catch (Exception e) { e.printStackTrace(); } handler.sendEmptyMessage(1); } @Override public void onFault(String errorMsg) { //失败 // Log.d(TAG, String.format("init data HttpMethods error on init, trycnt %s " ,error_try )); retryErorr(2); } }, getActivity())); } @Override protected void fillData() { List cates = new ArrayList<>(); for(Cataloge cate:mCataloges){ if(cate!=null && cate.getNovelCount()>0){ cates.add(cate); } } mAdapter = new BookListAdapter(getActivity(), cates, R.layout.recycle_list_item_cates, new OnItemClickLitener() { @Override public void onItemClick(View view, int position) { Cataloge cl = cates.get(position); showCateList(cl.getName()); } }); initReceyleView(); } @Override protected void initViews() { } public FragmentCates() { // Required empty public constructor } void initReceyleView() { // mRecyclerView.setLayoutManager(new LinearLayoutManager(this.activity)); mRecyclerView.setLayoutManager(new GridLayoutManager(getActivity(),3)); mRecyclerView.setAdapter(mAdapter ); } // TODO: Rename and change types and number of parameters public static FragmentCates newInstance() { FragmentCates fragment = new FragmentCates(); return fragment; } private void showCateList(String s) { Intent intent = new Intent(getActivity(), Activity_cate_books.class); intent.putExtra(Activity_cate_books.EXTRNAME,s); startActivity(intent); } @Override protected void processArguments() { } @Override public void setFTag() { } class BookListAdapter extends RecyclerView.Adapter { private final int EMPTY_VIEW = 1; private final int PROGRESS_VIEW = 2; private final int IMAGE_VIEW = 3; private Context context; private List mDatas = new ArrayList(); private OnItemClickLitener mOnItemClickLitener; private int listItemID; public BookListAdapter(Context context, List mDatas, int listItemID, OnItemClickLitener clickLitener) { this.context = context; this.mDatas = mDatas; this.mOnItemClickLitener = clickLitener; this.listItemID = listItemID; } public BookListAdapter(Context context, OnItemClickLitener clickLitener) { this.context = context; this.mOnItemClickLitener = clickLitener; } @Override public int getItemViewType(int position) { if(mDatas.size() == 0){ return EMPTY_VIEW; } else if(mDatas.get(position) == null){ return PROGRESS_VIEW; } else { return super.getItemViewType(position); } } @Override public BookListAdapter.MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { BookListAdapter.MyViewHolder holder = new BookListAdapter.MyViewHolder(LayoutInflater.from( context).inflate(listItemID, parent, false)); return holder; } public void setParameters(List mDatas,int listItemID ) { this.mDatas = mDatas; this.listItemID = listItemID; } public void setOnItemClickLitener(OnItemClickLitener mOnItemClickLitener) { this.mOnItemClickLitener = mOnItemClickLitener; } @Override public void onBindViewHolder(BookListAdapter.MyViewHolder holder, int position) { holder.tvTitle.setText(mDatas.get(position).getName()); holder.tvNum.setText(mDatas.get(position).getNovelCount()+""); if( mDatas.get(position).getNovel()!=null) { ImageUtil.loadImage(context, mDatas.get(position).getNovel().getCover(), holder.imageView); } // 如果设置了回调，则设置点击事件 if (mOnItemClickLitener != null) { holder.itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { int pos = holder.getLayoutPosition(); mOnItemClickLitener.onItemClick(holder.itemView, pos); } }); } } @Override public int getItemCount() { return mDatas.size(); } public void addData(int position) { // mDatas.add(position, "Insert One"); // notifyItemInserted(position); } public void removeData(int position) { mDatas.remove(position); notifyItemRemoved(position); } class MyViewHolder extends RecyclerView.ViewHolder { @BindView(R.id.tvCateName) TextView tvTitle; @BindView(R.id.tvCateNums) TextView tvNum; @BindView(R.id.imageViewCate) ImageView imageView; public MyViewHolder(View view) { super(view); ButterKnife.bind(this, view); //tvTitle = (TextView) view.findViewById(R.id.title); // tvAuthor = (TextView) view.findViewById(R.id.author); } } } interface OnItemClickLitener { void onItemClick(View view, int position); } public List parserJsonArray(String strJson) { List list = new ArrayList(); //创建一个Gson对象 // Gson gson = new Gson(); //创建一个JsonParser JsonParser parser = new JsonParser(); //通过JsonParser对象可以把json格式的字符串解析成一个JsonElement对象 JsonElement el = parser.parse(strJson); //把JsonElement对象转换成JsonObject JsonObject jsonObj = null; if (el.isJsonObject()) { jsonObj = el.getAsJsonObject(); } //把JsonElement对象转换成JsonArray JsonArray jsonArray = null; if (el.isJsonArray()) { jsonArray = el.getAsJsonArray(); } //遍历JsonArray对象 Iterator it = jsonArray.iterator(); while (it.hasNext()) { JsonElement e = (JsonElement) it.next(); //JsonElement转换为JavaBean对象 list.add((Cataloge) gson.fromJson(e, Cataloge.class)); } return list; } @Override public void onResume() { super.onResume(); MobclickAgent.onPageStart(TAG); } @Override public void onPause(){ super.onPause(); MobclickAgent.onPageEnd(TAG); } }