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package com.example.SearchCenter;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.EditText;
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import android.widget.ImageButton;
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import androidx.annotation.NonNull;
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import androidx.fragment.app.Fragment;
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import com.example.Util.ConditionCode;
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import com.example.Util.ReturnData;
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import com.example.Util.cmkgWebServiceGet;
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import com.example.Util.publicStringUtil;
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import com.example.cmknowledgegraph.MainActivity;
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import com.example.cmknowledgegraph.R;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.lang.ref.WeakReference;
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import java.util.List;
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import java.util.Set;
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//
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public class SearchContent extends Fragment {
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public static List<Set<String>> a;
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public static int k=0;
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MainActivity mainActivity;
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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// Inflate the layout for this fragment
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return inflater.inflate( R.layout.activity_search, container, false ); //要加载的layout文件
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}
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// 将Activity传过来，避免重复调用和Fragment嵌套的麻烦
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@Override
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public void onAttach(Context context) {
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super.onAttach(context);
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this.mainActivity = (MainActivity) context;
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}
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//全局的消息处理handle
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private final SearchHandler searchHandler = new SearchHandler(mainActivity);
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//静态内部类，避免内存泄漏
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public static class SearchHandler extends Handler {
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//持有对父Activity的弱引用，防止强引用导致这个消息处理非常耗时时，
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// 导致这个SearchContent不能被回收，最终内存泄漏
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//在这个静态内部类里面需要使用get()方法来获取SearchActivity操作Activity
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private final WeakReference<MainActivity> weakReference;
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SearchHandler(MainActivity activity){
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this.weakReference = new WeakReference<MainActivity>(activity);
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}
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//在这里处理消息
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@Override
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public void handleMessage(@NonNull Message msg) {
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super.handleMessage(msg);
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//将消息中的数据取出来
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MainActivity mainActivity = (MainActivity) weakReference.get();
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Intent intent = new Intent();
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intent.setClass(mainActivity, SearchEntryActivity.class);
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intent.putExtras(msg.getData());
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mainActivity.startActivity(intent);
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}
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}
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public void onActivityCreated(Bundle savedInstanceState) {
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// TODO Auto-generated method stub
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super.onActivityCreated(savedInstanceState);
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EditText search_edit = getActivity().findViewById(R.id.search_edit);
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ImageButton search_btn = (ImageButton) getActivity().findViewById(R.id.search_btn);
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search_btn.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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Log.i("haha", "=======Oncli");
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// //点击查找按钮之后，取出输入的句子，传给后台
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//构造请求搜索的参数
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String inputContentArgs = publicStringUtil.questionArgsname+search_edit.getText().toString();
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new Thread(new Runnable() {
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@Override
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public void run() {
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ReturnData response = cmkgWebServiceGet.executeHttpGet(inputContentArgs,publicStringUtil.questionSearchURL);
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//构建消息，将消息交给handle处理
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Message m = new Message();
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Bundle bundle = new Bundle();
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bundle.putSerializable("msg", response);
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Intent intent = new Intent();
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intent.setClass(mainActivity, SearchEntryActivity.class);
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intent.putExtras(bundle);
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mainActivity.startActivity(intent);
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// m.setData(bundle);
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// searchHandler.sendMessage(m);
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}
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}).start();
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}
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});
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}
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}
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