Android ImageView如何加载网络图片资源

来源：互联网发布：网络文明绘画图片大全编辑：程序博客网时间：2024/05/20 16:00
http://bluerose.iteye.com/blog/1717757
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;        }}
0 0