添加有道词典功能

主界面主要代码如下：

<font size="3" color="#000000" face="微软雅黑">package xiaosi.youdao; 

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONArray;
import org.json.JSONObject; 

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast; 

public class YoudaoActivity extends Activity
{
private EditText edit = null;
private Button search = null;
private TextView text = null;
private String YouDaoBaseUrl = "http://fanyi.youdao.com/openapi.do";
private String YouDaoKeyFrom = "MyLifes";
private String YouDaoKey = "你申请的API Key";
private String YouDaoType = "data";
private String YouDaoDoctype = "json";
private String YouDaoVersion = "1.1";
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
init();
} 

private void init()
{
edit = (EditText) findViewById(R.id.edit);
search = (Button) findViewById(R.id.search);
search.setOnClickListener(new searchListener());
text = (TextView) findViewById(R.id.text);
} 

private class searchListener implements OnClickListener
{
@Override
public void onClick(View v)
{
String YouDaoSearchContent = edit.getText().toString().trim();
String YouDaoUrl = YouDaoBaseUrl+"?keyfrom=" + YouDaoKeyFrom + "&key=" + YouDaoKey + "&type=" + YouDaoType + "&doctype="
+ YouDaoDoctype + "&type=" + YouDaoType + "&version=" + YouDaoVersion + "&q=" + YouDaoSearchContent;
try
{
AnalyzingOfJson(YouDaoUrl);
}
catch (Exception e)
{
e.printStackTrace();
}
}
} 

private void AnalyzingOfJson(String url) throws Exception
{
// 第一步，创建HttpGet对象
HttpGet httpGet = new HttpGet(url);
// 第二步，使用execute方法发送HTTP GET请求，并返回HttpResponse对象
HttpResponse httpResponse = new DefaultHttpClient().execute(httpGet);
if (httpResponse.getStatusLine().getStatusCode() == 200)
{
// 第三步，使用getEntity方法活得返回结果
String result = EntityUtils.toString(httpResponse.getEntity());
System.out.println("result:" + result);
JSONArray jsonArray = new JSONArray("[" + result + "]");
String message = null;
for (int i = 0; i < jsonArray.length(); i++)
{
JSONObject jsonObject = jsonArray.getJSONObject(i);
if (jsonObject != null)
{
String errorCode = jsonObject.getString("errorCode");
if (errorCode.equals("20"))
{
Toast.makeText(getApplicationContext(), "要翻译的文本过长", Toast.LENGTH_SHORT);
}
else if (errorCode.equals("30 "))
{
Toast.makeText(getApplicationContext(), "无法进行有效的翻译", Toast.LENGTH_SHORT);
}
else if (errorCode.equals("40"))
{
Toast.makeText(getApplicationContext(), "不支持的语言类型", Toast.LENGTH_SHORT);
}
else if (errorCode.equals("50"))
{
Toast.makeText(getApplicationContext(), "无效的key", Toast.LENGTH_SHORT);
}
else
{
// 要翻译的内容
String query = jsonObject.getString("query");
message = query;
// 翻译内容
String translation = jsonObject.getString("translation");
message += "\t" + translation;
// 有道词典-基本词典
if (jsonObject.has("basic"))
{
JSONObject basic = jsonObject.getJSONObject("basic");
if (basic.has("phonetic"))
{
String phonetic = basic.getString("phonetic");
message += "\n\t" + phonetic;
}
if (basic.has("phonetic"))
{
String explains = basic.getString("explains");
message += "\n\t" + explains;
}
}
// 有道词典-网络释义
if (jsonObject.has("web"))
{
String web = jsonObject.getString("web");
JSONArray webString = new JSONArray("[" + web + "]");
message += "\n网络释义：";
JSONArray webArray = webString.getJSONArray(0);
int count = 0;
while(!webArray.isNull(count)){ 

if (webArray.getJSONObject(count).has("key"))
{
String key = webArray.getJSONObject(count).getString("key");
message += "\n\t<"+(count+1)+">" + key;
}
if (webArray.getJSONObject(count).has("value"))
{
String value = webArray.getJSONObject(count).getString("value");
message += "\n\t " + value;
}
count++;
}
}
}
}
}
text.setText(message);
}
else
{
Toast.makeText(getApplicationContext(), "提取异常", Toast.LENGTH_SHORT);
}
}
} </font>