android中的有道词典实例

1、布局文件main.xml

<?xml version="1.0" encoding="utf-8"?><AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    ><EditText     android:id="@+id/editTextid"    android:layout_width="200px"    android:layout_height="wrap_content"    android:layout_x="5px"    android:layout_y="32px"/><Button    android:id="@+id/query"   android:layout_width="50px"   android:layout_height="40px"   android:text="查询"   android:layout_x="205px"   android:layout_y="35px"/><Button   android:id="@+id/clear"  android:layout_width="50px"  android:layout_height="40px"  android:text="清空"  android:layout_x="270px"  android:layout_y="35px"/>    <WebView     android:id="@+id/webViewId"    android:layout_width="300px"    android:layout_height="320px"    android:layout_x="10px"    android:layout_y="80px"    android:focusable="false"    /></AbsoluteLayout>

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() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubeditString = (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() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubeditString.setText("");}});    }}

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