Android 开发工具类 23_getImage

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

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

 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;

 public class ImageService {

     /**
      * 获取图片
      * @param path 图片路径
      * @return
      */
     public static Bitmap getImage(String path) throws Exception{

         URL url = new URL(path);
         HttpURLConnection conn = (HttpURLConnection) url.openConnection();
         conn.setConnectTimeout(5000);
         conn.setRequestMethod("GET");

         if(conn.getResponseCode() == 200){
             InputStream inStream = conn.getInputStream();
             Bitmap bitmap = BitmapFactory.decodeStream(inStream);
             return bitmap;
             /*byte[] data = StreamTool.read(inStream);
             Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
             return bitmap;*/
         }
         return null;
     }

 }

显示

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