比较简洁的异步图片下载方法

最新推荐文章于 2021-12-29 21:25:12 发布

转载最新推荐文章于 2021-12-29 21:25:12 发布 · 941 阅读

文章标签：

#exception #url #string #class

Android 专栏收录该内容

110 篇文章

订阅专栏

public void onClick(View v) {
    new DownloadImageTask().execute("http://example.com/image.png");
}

private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
     protected Bitmap doInBackground(String... urls) {
         return loadImageFromNetwork(urls[0]);
     }

     protected void onPostExecute(Bitmap result) {
         //Do something with bitmap eg:
         mImageView.setImageBitmap(result);
     }
 }

 private Bitmap loadImageFromNetwork(String url){
      try {
          Bitmap bitmap = BitmapFactory.decodeStream((InputStream)new URL(imageURL).getContent());
          return bitmap;
      } catch (Exception e) {
          e.printStackTrace();
    }
 }