调用有道词典查词

1，xml布局：<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="@drawable/main_bg"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <EditText        android:id="@+id/et_word"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentLeft="true"        android:layout_alignParentTop="true"        android:layout_marginTop="20dp"        android:background="@android:drawable/edit_text"        android:ems="10"        android:singleLine="true"        android:textColor="#552006"        android:textColorHint="#782f10" >        <requestFocus />    </EditText>    <Button        android:id="@+id/btnSearch"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="搜索"        android:layout_toRightOf="@id/et_word"        android:layout_alignTop="@id/et_word"        android:layout_marginLeft="5dp"        />    <WebView        android:id="@+id/wvSearchResult"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_alignLeft="@+id/etWord"        android:layout_below="@+id/et_word"        android:layout_marginTop="22dp"        android:textAppearance="?android:attr/textAppearanceMedium"        android:textSize="25sp" /></RelativeLayout>12，MainActivity代码public class MainActivity extends Activity {    private EditText ed_word =null;    private Button search =null;    private WebView web =null;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initView();        search.setOnClickListener(new OnClickListener() {            String strURL;            @Override            public void onClick(View v) {                // TODO Auto-generated method stub                String str_word =ed_word.getText().toString();                if(str_word!=null){                    str_word =str_word.trim(); //去除一下空格                     strURL = "http://dict.youdao.com/m/search?keyfrom=dict.mindex&q="                            + str_word; //组成请求的url                    //加载网页                    web.loadUrl(strURL);                    web.setWebViewClient(new WebViewClient(){                        @Override                        public boolean shouldOverrideUrlLoading(WebView view,                                String url) {                            // TODO Auto-generated method stub                            view.loadUrl(url);//不跳到系统浏览器                            return true;                        }                    });                    //进度条                    web.setWebChromeClient(new WebChromeClient(){                        public void onProgressChanged(WebView view, int newProgress) {                            MainActivity.this.setProgress(newProgress*100);//设置进度条                        };                    });                }else {                    Toast.makeText(MainActivity.this,"单词不能为空!" , 3000);                }            }        });    }    private void initView() {        // TODO Auto-generated method stub        ed_word =(EditText)findViewById(R.id.et_word);        search =(Button) findViewById(R.id.btnSearch);        web =(WebView)findViewById(R.id.wvSearchResult);    }    }1加入访问网络的权限：<uses-permission android:name="android.permission.INTERNET"/>![这里写图片![这里写图片描述](http://img.blog.csdn.net/20150703151157397)描述](http://img.blog.csdn.net/20150703150639768)

这里写图片描述