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();
        }
    }