从xml文件下载文件

时间:2022-03-22 19:00:20

I inserted a URL pointing to a mp3 music file address into a xml file, but I don't know how to download this file afterwards.

我将指向mp3音乐文件地址的URL插入到xml文件中,但我不知道如何下载此文件。

Here is my code:

这是我的代码:

    String xml = parser.getXmlFromUrl(URL); // getting XML from URL
    Document doc = parser.getDomElement(xml); // getting DOM element

    NodeList nl = doc.getElementsByTagName(KEY_SONG);
    // looping through all song nodes <song>
    for (int i = 0; i < nl.getLength(); i++) {
        // creating new HashMap
        HashMap<String, String> map = new HashMap<String, String>();
        Element e = (Element) nl.item(i);
        // adding each child node to HashMap key => value
        map.put(KEY_DURATION, parser.getValue(e, KEY_DURATION));
        map.put(KEY_THUMB_URL, parser.getValue(e, KEY_THUMB_URL));
        map.put(KEY_URL, parser.getValue(e, KEY_URL));
        // adding HashList to ArrayList
        songsList.add(map);
    }


    list=(ListView)findViewById(R.id.list);

    // Getting adapter by passing xml data ArrayList
    adapter=new LazyAdapter(this, songsList);        
    list.setAdapter(adapter);


    // Click event for single list row
    list.setOnItemClickListener(new OnItemClickListener() {

        public void onItemClick(AdapterView<?> parent, View view,
                int position, long id) {




        }
    }); 

What should be the code for onItemClick?

onItemClick的代码应该是什么?

what is this code to get link from xml and download it from this method ?

从xml获取链接并从此方法下载它的代码是什么?

String url = "url you want to download";
DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
request.setDescription("Some descrition");
request.setTitle("Some title");

1 个解决方案

#1


1  

In the onItemClick you put the action that you want to have happen when the item is clicked.

在onItemClick中,您可以在单击项目时执行要执行的操作。

#1


1  

In the onItemClick you put the action that you want to have happen when the item is clicked.

在onItemClick中,您可以在单击项目时执行要执行的操作。