有道词典的查询

 

<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: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/edt"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignBaseline="@+id/btn"

        android:layout_alignBottom="@+id/btn"

        android:layout_alignParentLeft="true"

        android:ems="10" >

        <requestFocus />

    </EditText>

    <Button

        android:id="@+id/btn"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentRight="true"

        android:layout_alignParentTop="true"

        android:onClick="findWord"

        android:layout_marginTop="58dp"

        android:text="查询" />

   

   <WebView android:id="@+id/wvSearchResult"

     android:layout_width="match_parent"

     android:layout_height="match_parent"

     android:layout_alignLeft="@+id/edt"

     android:layout_below="@+id/edt"

     android:layout_marginTop="22dp"  

     android:textSize="25sp"

     >

    

 </WebView>

    

</RelativeLayout>

 

package com.example.youdao;

import org.w3c.dom.Text;

import android.os.Bundle;

import android.app.Activity;

import android.view.View;

import android.webkit.WebView;

import android.webkit.WebViewClient;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

public class MainActivity extends Activity {

   

private Button myButton01;

private EditText mEditText;

private WebView mWebView1;

    

 protected void onCreate(Bundle savedInstanceState) {

  super.onCreate(savedInstanceState);

  setContentView(R.layout.activity_main);

  initView();

 }

 private void initView() {

  // TODO Auto-generated method stub

  myButton01=(Button) findViewById(R.id.btn);   

     mEditText=(EditText) findViewById(R.id.edt);

     mWebView1=(WebView)findViewById(R.id.wvSearchResult);

 }

     public void findWord(View view) {

   String strText=(mEditText.getText().toString()).trim();
//除去字符串开头和末尾的空格或其他字符
   if (strText.length()==0) {  //判断查找单词是否为空
    Toast.makeText(MainActivity.this, "查询内容不能为空!", Toast.LENGTH_LONG).show();

   }

   else{

    String strURL="http://dict.youdao.com/m/search?keyfrom=dict.mindex&q="+strText;//加载路径

    mWebView1.loadUrl(strURL) ;//监听webview的通知，加载到WebView控件上显示
    mWebView1.setWebViewClient(new WebViewClient() { //禁止调用系统浏览器
        public boolean shouldOverrideUrlLoading(WebView view, String url){

            view.loadUrl(url);

            return false;

        }

    });

    

   }

  }

 }