Android仿淘宝地区选择(新)

package com.qiangyu.test.areaselectdemo; import android.animation.ObjectAnimator; import android.content.Context; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.ListView; import android.widget.ProgressBar; import android.widget.TextView; import com.google.gson.Gson; import com.qiangyu.test.areaselectdemo.bean.AreaInfo; import com.qiangyu.test.areaselectdemo.bean.JsonResult; import com.squareup.okhttp.Callback; import com.squareup.okhttp.FormEncodingBuilder; import com.squareup.okhttp.OkHttpClient; import com.squareup.okhttp.Request; import com.squareup.okhttp.Response; import java.io.IOException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Map; import butterknife.Bind; import butterknife.ButterKnife; /** * 地区Fragment * @博客 http://blog.csdn.net/yissan * demo讲解博客地址:https://www.yangqiangyu.club/2017/08/08/android-qing-song-shi-xian-fang-tao-bao-di-qu-xuan-ze/ * @author yangqiangyu */ public class AreaFragment extends Fragment implements AdapterView.OnItemClickListener { private static final String ARG_PARAM1 = "parentCode"; @Bind(R.id.refresh_list_view) ListView mRefreshListView; @Bind(R.id.loadingBar) ProgressBar mLoadingBar; private String mParam1; OkHttpClient mOkHttpClient = new OkHttpClient(); private OnFragmentInteractionListener mListener; private AreaAdapter adapter; public AreaFragment() { } /** * Use this factory method to create a new instance of * this fragment using the provided parameters. * * @param param1 Parameter 1. * @return A new instance of fragment AreaFragment. */ public static AreaFragment newInstance(String param1) { AreaFragment fragment = new AreaFragment(); Bundle args = new Bundle(); args.putString(ARG_PARAM1, param1); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (getArguments() != null) { mParam1 = getArguments().getString(ARG_PARAM1); } } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment View view = inflater.inflate(R.layout.fragment_area, container, false); ButterKnife.bind(this, view); mRefreshListView.setOnItemClickListener(this); FormEncodingBuilder builder = new FormEncodingBuilder(); builder.add(ARG_PARAM1,mParam1); final Request request = new Request.Builder() .url("http://120.77.175.168:9000/area/list") .post(builder.build()) .build(); mOkHttpClient.newCall(request).enqueue(new Callback(){ @Override public void onFailure(Request request, IOException e) { } @Override public void onResponse(Response response) throws IOException { final String res = response.body().string(); if (res!=null){ Gson gson = new Gson(); JsonResult jsonResult = gson.fromJson(res, JsonResult.class); if (jsonResult.isSuccess()){ List list = (List) jsonResult.getData(); List newList = new ArrayList(); Iterator iterator = list.iterator(); while (iterator.hasNext()){ Map map = (Map) iterator.next(); AreaInfo areaInfo = gson.fromJson(gson.toJson(map),AreaInfo.class); newList.add(areaInfo); } adapter = new AreaAdapter(getContext(),newList); getActivity().runOnUiThread(new Runnable() { @Override public void run() { mRefreshListView.setAdapter(adapter); } }); } } } }); return view; } @Override public void onAttach(Context context) { super.onAttach(context); if (context instanceof OnFragmentInteractionListener) { mListener = (OnFragmentInteractionListener) context; } else { throw new RuntimeException(context.toString() + " must implement OnFragmentInteractionListener"); } } @Override public void onDetach() { super.onDetach(); mListener = null; } @Override public void onDestroyView() { super.onDestroyView(); ButterKnife.unbind(this); } @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { AreaInfo areaInfo = (AreaInfo) parent.getAdapter().getItem(position); if (areaInfo==null) return; if (mListener!=null){ mListener.onFragmentInteraction(areaInfo); } } /** * This interface must be implemented by activities that contain this * fragment to allow an interaction in this fragment to be communicated * to the activity and potentially other fragments contained in that * activity. * <p/> * See the Android Training lesson <a href= * "http://developer.android.com/training/basics/fragments/communicating.html" * >Communicating with Other Fragments</a> for more information. */ public interface OnFragmentInteractionListener { void onFragmentInteraction(AreaInfo areaInfo); } class AreaAdapter extends BaseAdapter { private List list; private int lastPosition; public AreaAdapter(Context context, List<AreaInfo> list) { this.list = list; } @Override public int getCount() { return list.size(); } @Override public Object getItem(int position) { return list.get(position); } @Override public long getItemId(int position) { return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder viewHolder = null; if (convertView==null){ convertView = LayoutInflater.from(getContext()).inflate(R.layout.area_list_item,parent,false); viewHolder = new ViewHolder(); viewHolder.textView = (TextView) convertView.findViewById(android.R.id.text1); convertView.setTag(viewHolder); } viewHolder = (ViewHolder) convertView.getTag(); AreaInfo item = (AreaInfo) list.get(position); viewHolder.textView.setText(item.getAreaName()); if (lastPosition<position&&lastPosition!=0){ ObjectAnimator.ofFloat(convertView,"translationY",convertView.getHeight()*2,0).setDuration(500).start(); } lastPosition = position; return convertView; } class ViewHolder{ TextView textView; } } }