android中的有道词典实例

1、布局文件main.xml

<?xml version="1.0" encoding="utf-8"?>
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
    android:id="@+id/editTextid"
    android:layout_width="200px"
    android:layout_height="wrap_content"
    android:layout_x="5px"
    android:layout_y="32px"
/>

主程序

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

public class YoudaoActivity extends Activity {
    /** Called when the activity is first created. */
private EditText editString;
private Button query;
private Button clear;
private WebView webview;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        query = (Button)findViewById(R.id.query);
        clear = (Button)findViewById(R.id.clear);

        query.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
editString = (EditText)findViewById(R.id.editTextid);
String strURL = editString.getText().toString();
strURL = strURL.trim();
webview = (WebView)findViewById(R.id.webViewId);
if (strURL.length() == 0) {
Toast.makeText(YoudaoActivity.this, "查询内容不能为空！", Toast.LENGTH_LONG).show();
}
else 
{
 String url = "http://dict.youdao.com/m/search?keyfrom=dict.mindex&q="+strURL;
 webview.loadUrl(url);
}
}
});
        clear.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
editString.setText("");
}
});
    }
}

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