在android中从RSS提要获取图像URL

Question

我一直在开发一个Android RSS阅读器。我想从RSS提要中获取图像，并将它们连同RSS标题一起列出。我已经解析并从“title”和“description”标签中获取数据。有人能告诉我如何从“description”的“src”属性下面获取图像URL吗？

<item>
    <title>Bollywood now more professional, but impersonal: Anupam Kher</title>
    <link>
        http://www.abcd.com/en/node/599
    </link>
    <description>
        <div class=" field field-type-filefield field-field-story-image">
            <div class="field-label">Image:&amp;nbsp;</div>
            <div class="field-items">
                <div class="field-item odd">
                    <img class="imagefield imagefield-field_story_image" width="630" height="420" alt="" src="http://www.madhyamam.com/en/sites/default/files/anumpamkher2.jpg?1334148050" />
                </div>
            </div>
        </div>
        <p>
            <strong>New Delhi: </strong>He has been part of the film industry for almost three decades.
        </p>
        <a href="http://www.abcd.com/en/node/599" target="_blank">read more</a>
    </description>
</item>

Answer 1

首先，在asynctask中进行解析。在本任务中，您可以简单地下载所加载的HTML/XML中的图像。

在后台加载URL时,可以调用以下例程：

private Bitmap getImageFromURL(URL imgUrl){
        Bitmap bmp = null;

        try {
            HttpURLConnection conn= (HttpURLConnection)imgUrl.openConnection();
            conn.setDoInput(true);
            conn.connect();
            InputStream is = conn.getInputStream();

            bmp = BitmapFactory.decodeStream(is);
       } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
       }
       return bmp;  
    }