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";
	@Override
	protected 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"/>