<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <!-- 頂一個SearchView --> <SearchView  android:id="@+id/sv"  android:layout_width="wrap_content"  android:layout_height="wrap_content" /> <!-- 建立一個WebView --> <WebView android:id="@+id/wv" android:layout_height="match_parent" android:layout_width="match_parent" android:background="@android:color/black" android:focusable="false"  /></LinearLayout>

package bzu.edu.cn.happydirectory;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.webkit.WebView;import android.webkit.WebViewClient;import android.widget.SearchView;import android.widget.Toast;public class MainActivity extends AppCompatActivity { private static SearchView searchView; private static WebView webView; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  init();  searchView.setSubmitButtonEnabled(true);/// 設置該SearchView顯示確認搜索按鈕  webView.getSettings().setJavaScriptEnabled(true);//如果頁面中使用了JavaScript，不加代碼頁面不顯示  webView.setWebViewClient(new WebViewClient(){//如果不加此方法將會在瀏覽器中打開而不是運行的項目中重點內容   @Override   public boolean shouldOverrideUrlLoading(WebView view, String url) {    view.loadUrl(url);    return true;   }  });  searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {   @Override   public boolean onQueryTextSubmit(String query) {    String strURI = (query);    strURI = strURI.trim();    //如果查詢內容為空提示    if (query.isEmpty())    {     Toast.makeText(getApplicationContext(), "查詢內容不能為空!", Toast.LENGTH_SHORT)       .show();    }    //否則則以參數的形式從http://dict.youdao.com/m取得數據，加載到WebView里.    else    {     String strURL = "http://dict.youdao.com/m/search?keyfrom=dict.mindex&q="       + strURI;     webView.loadUrl(strURL);    }    return false;   }   @Override   public boolean onQueryTextChange(String newText) {    return false;   }  }); } public void init(){  searchView =(SearchView)findViewById(R.id.sv);  webView =(WebView)findViewById(R.id.wv); }}