android:HttpURLConnection

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <ScrollView        android:layout_width="fill_parent"        android:layout_height="fill_parent" >        <TextView            android:id="@+id/textView"            android:layout_width="fill_parent"            android:layout_height="wrap_content" />    </ScrollView></LinearLayout>

package com.example.utils;import java.io.ByteArrayOutputStream;import java.io.InputStream;public class StreamTool {public static byte[] readInputStream(InputStream inStream) throws Exception {ByteArrayOutputStream outStream = new ByteArrayOutputStream();// 输出流，写到内存byte[] buffer = new byte[1024];// 1K缓冲区容量int len = 0;while ((len = inStream.read(buffer)) != -1) {outStream.write(buffer, 0, len);// 从数组buffer中读取从0到len的数据}inStream.close();return outStream.toByteArray();}}

package com.example.image;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import com.example.utils.StreamTool;public class HtmlService {public static String getHtml(String path) throws Throwable {URL url = new URL(path);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setRequestMethod("GET");conn.setConnectTimeout(5 * 1000);InputStream inStream = conn.getInputStream();// 通过输入流获取html数据byte[] data = StreamTool.readInputStream(inStream);// 得到的html的二进制数据String html= new String(data,"utf-8");        return (html);}}

package com.example.image;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends Activity {    private static final String TAG="htmlcodeview";@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_image);TextView textView=(TextView)this.findViewById(R.id.textView);try {textView.setText(HtmlService.getHtml("www.baidu.con"));} catch (Throwable e) {Log.e(TAG, e.toString());Toast.makeText(MainActivity.this, "error", 1).show();}}}// <!-- 访问internet权限 -->// <uses-permission android:name="android.permission.INTERNET"/>

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