Android ImageView使用网上图片资源
http://dl.iteye.com/upload/attachment/0063/7202/f6b315e9-8216-33b3-ad34-e4c05dbb3582.jpgJava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; }}
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