Android 开发工具类 23_getImage

pathText = "http://192.168.1.100:8080/ServerForPicture/wangjialin.jpg"

 1 import java.io.InputStream;
 2 import java.net.HttpURLConnection;
 3 import java.net.URL;
 4 
 5 import android.graphics.Bitmap;
 6 import android.graphics.BitmapFactory;
 7 
 8 public class ImageService {
 9     
10     /**
11      * 获取图片
12      * @param path 图片路径
13      * @return
14      */
15     public static Bitmap getImage(String path) throws Exception{
16         
17         URL url = new URL(path);
18         HttpURLConnection conn = (HttpURLConnection) url.openConnection();
19         conn.setConnectTimeout(5000);
20         conn.setRequestMethod("GET");
21         
22         if(conn.getResponseCode() == 200){
23             InputStream inStream = conn.getInputStream();
24             Bitmap bitmap = BitmapFactory.decodeStream(inStream);
25             return bitmap;
26             /*byte[] data = StreamTool.read(inStream);
27             Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
28             return bitmap;*/
29         }
30         return null;
31     }
32 
33 }

显示

 1 public void showimage(View v){
 2         String path = pathText.getText().toString();
 3         try {
 4             Bitmap bitmap = ImageService.getImage(path);
 5             imageView.setImageBitmap(bitmap);
 6         } catch (Exception e) {
 7             e.printStackTrace();
 8             Toast.makeText(getApplicationContext(), R.string.error, 1).show();
 9         }
10     }

 

posted @ 2015-05-29 19:04  壬子木  阅读(178)  评论(0)  编辑  收藏  举报