Android ImageView使用网上图片资源

 Java代码package com.android.antking.imageview;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;

public class MainActivity extends Activity {
	//定义一个图片显示控件
	private ImageView imageView;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        //图片资源
        String url = "http://s16.sinaimg.cn/orignal/89429f6dhb99b4903ebcf&690";
        //得到可用的图片
        Bitmap bitmap = getHttpBitmap(url);
        imageView = (ImageView)this.findViewById(R.id.imageViewId);
        //显示
        imageView.setImageBitmap(bitmap);
       
    }
    /**
     * 获取网落图片资源 
     * @param url
     * @return
     */
    public static Bitmap getHttpBitmap(String url){
    	URL myFileURL;
    	Bitmap bitmap=null;
    	try{
    		myFileURL = new URL(url);
    		//获得连接
    		HttpURLConnection conn=(HttpURLConnection)myFileURL.openConnection();
    		//设置超时时间为6000毫秒，conn.setConnectionTiem(0);表示没有时间限制
    		conn.setConnectTimeout(6000);
    		//连接设置获得数据流
    		conn.setDoInput(true);
    		//不使用缓存
    		conn.setUseCaches(false);
    		//这句可有可无，没有影响
    		//conn.connect();
    		//得到数据流
    		InputStream is = conn.getInputStream();
    		//解析得到图片
    		bitmap = BitmapFactory.decodeStream(is);
    		//关闭数据流
    		is.close();
    	}catch(Exception e){
    		e.printStackTrace();
    	}
    	
		return bitmap;
    	
    }
}