Lucene3移植到Android下的疑问

两个 Activity ， FirstActivity（有个跳转的按钮，和一个TextView和一个EditText）和 SecondActivity（有个返回的按钮和一个TextView，和一个EditText），我知道通过Bundle可以从FirstActivity像SecondActivity跳转并将数据从FirstActivity传送到SecondActivity中并且用TextView'显示出来，但是我现在面临了一个问题就是我搜索的结果就是null空值，怎样才能调用到我的lucene的包的结果并输出？

解决方案 »

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我的部分代码~！package com.samples;import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;public class AndLuc extends Activity {
  /** Called when the activity is first created. */

  EditText inputEditText;
TextView resulTextView;
  Button goButton;
// String result;
  ThreadLuc thread;
  public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  inputEditText=(EditText)findViewById(R.id.search);
  resulTextView=(TextView)findViewById(R.id.result);
  goButton=(Button)findViewById(R.id.BTN_LAUNCH);
  goButton.setOnClickListener(new OnClickListener(){public void onClick(View v) {
// TODO Auto-generated method stub
String input=inputEditText.getText().toString();
thread= new ThreadLuc(input,handler);thread.start();}

  });

  }
  Handler handler=new Handler(){
  public void handleMessage(Message msg)
{
  Log.i("Luc","Luc-handle");
  Bundle bundle=msg.getData();
  String result = bundle.getString("result");
  resulTextView.setText("检索结果："+result);
  super.handleMessage(msg);
}
  };
}

对我有用[0] 丢个板砖[0] 引用举报管理 TOP 精华推荐：apache+tomcat?(在线等，顶者有分)

gsj5533

(gsj5533) 等　级：  #2楼得分：0回复于：2011-04-06 13:08:10package com.samples;import java.io.IOException;import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;
import org.apache.lucene.store.LockObtainFailedException;import test.test;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;public class ThreadLuc extends Thread {
String input;
Handler handler;
String result;public ThreadLuc(String input,Handler handler) {
// TODO Auto-generated constructor stub
this.input=input;
this.handler=handler;
// Log.i("Luc","ThreadLuc");
}  public void run() {
// Bundle bundle=new Bundle();
// bundle.putString("result", result);
// Message msg=new Message();
// msg.setData(bundle);
// handler.sendMessage(msg);
// Log.i("Luc", "thread-->run");
// try {
// test tempTest=new test();
// result=tempTest.search(input);
// } catch (CorruptIndexException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// Log.i("Luc","ThreadLuc---1");
// } catch (LockObtainFailedException e) {
// // TODO Auto-generated catch block
// Log.i("Luc","ThreadLuc---2");
// e.printStackTrace();
// } catch (IOException e) {
// // TODO Auto-generated catch block
// Log.i("Luc","ThreadLuc---3");
// e.printStackTrace();
// } catch (ParseException e) {
// // TODO Auto-generated catch block
// Log.i("Luc","ThreadLuc---4");
// e.printStackTrace();
// } catch (InvalidTokenOffsetsException e) {
// // TODO Auto-generated catch block
//
// Log.i("Luc","ThreadLuc---5");e.printStackTrace();
// }
Bundle bundle=new Bundle();
bundle.putString("result",result);Message msg=handler.obtainMessage();
msg.setData(bundle);
handler.sendMessage(msg);
}
}

对我有用[0] 丢个板砖[0] 引用举报管理 TOP 精华推荐：研究java源代码：关于Arrays.sort

gsj5533

(gsj5533) 等　级：  #3楼得分：0回复于：2011-04-06 13:08:49调用这里的result~！package test;import java.io.IOException;
import java.util.Date;import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;
import org.apache.lucene.store.LockObtainFailedException;import Function.addIndex;
import Function.createIndex;
import Function.define;
import Function.search;public class test {
public String search(String args) throws CorruptIndexException, LockObtainFailedException, IOException, ParseException, InvalidTokenOffsetsException {
//定义一下data和Index的位置
define d = new define();
d.setDataPath("/mnt/Sdcard/Data");
d.setIndexPath("/mnt/Sdcard/Index");
d.setSearchString(args);
Date start = new Date();
createIndex crtidx = new createIndex();
crtidx.cIndex(d);
// addIndex adidx = new addIndex();
// adidx.aIndex(d);
Date end = new Date();
System.out.println(end.getTime()-start.getTime());
search srh = new search();
srh.sIndex(d);
String result=srh.getresult();
if(result==null){
return "error";
}else{
return result;
}
}
}
我的部分代码~！package com.samples;import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;public class AndLuc extends Activity {
  /** Called when the activity is first created. */

  EditText inputEditText;
TextView resulTextView;
  Button goButton;
// String result;
  ThreadLuc thread;
  public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  inputEditText=(EditText)findViewById(R.id.search);
  resulTextView=(TextView)findViewById(R.id.result);
  goButton=(Button)findViewById(R.id.BTN_LAUNCH);
  goButton.setOnClickListener(new OnClickListener(){public void onClick(View v) {
// TODO Auto-generated method stub
String input=inputEditText.getText().toString();
thread= new ThreadLuc(input,handler);thread.start();}

  });

  }
  Handler handler=new Handler(){
  public void handleMessage(Message msg)
{
  Log.i("Luc","Luc-handle");
  Bundle bundle=msg.getData();
  String result = bundle.getString("result");
  resulTextView.setText("检索结果："+result);
  super.handleMessage(msg);
}
  };
}
package com.samples;import java.io.IOException;import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;
import org.apache.lucene.store.LockObtainFailedException;import test.test;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;public class ThreadLuc extends Thread {
String input;
Handler handler;
String result;public ThreadLuc(String input,Handler handler) {
// TODO Auto-generated constructor stub
this.input=input;
this.handler=handler;
// Log.i("Luc","ThreadLuc");
}  public void run() {
// Bundle bundle=new Bundle();
// bundle.putString("result", result);
// Message msg=new Message();
// msg.setData(bundle);
// handler.sendMessage(msg);
// Log.i("Luc", "thread-->run");
// try {
// test tempTest=new test();
// result=tempTest.search(input);
// } catch (CorruptIndexException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// Log.i("Luc","ThreadLuc---1");
// } catch (LockObtainFailedException e) {
// // TODO Auto-generated catch block
// Log.i("Luc","ThreadLuc---2");
// e.printStackTrace();
// } catch (IOException e) {
// // TODO Auto-generated catch block
// Log.i("Luc","ThreadLuc---3");
// e.printStackTrace();
// } catch (ParseException e) {
// // TODO Auto-generated catch block
// Log.i("Luc","ThreadLuc---4");
// e.printStackTrace();
// } catch (InvalidTokenOffsetsException e) {
// // TODO Auto-generated catch block
//
// Log.i("Luc","ThreadLuc---5");e.printStackTrace();
// }
Bundle bundle=new Bundle();
bundle.putString("result",result);Message msg=handler.obtainMessage();
msg.setData(bundle);
handler.sendMessage(msg);
}
}