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Java代码 [url=][/url]
- 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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