我想从URL中读取文本文件,解析并设置一个arraylist,然后将其添加到我的适配器。然而,每当我尝试启动应用程序,我发现我的信息arraylist没有填充数据。我想知道如何让应用程序从URL读取数据并显示它。在互联网中,我确实拥有对执行者的承诺。Android从URL中读取文本文件并设置arraylist
CardAdapter ca = new CardAdapter(createList(0));
recList.setAdapter(ca);
ArrayList<CardInfo> infos = new ArrayList<CardInfo>();
try {
URL url = new URL("https://dl.dropboxusercontent.com/u/56230108/events.txt");
BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));
String line = "";
while ((line = br.readLine()) != null) {
Log.e("value", line);
String[] a = line.split("\\$EV\\$");
CardInfo info = new CardInfo();
info.title = a[0];
info.desc = a[1];
info.date = a[2];
info.time = a[3];
info.contact = a[4];
infos.add(info);
}
br.close();
}
catch(Exception e)
{
}
if(infos.size() > 0)
{
ca.add(infos.get(0), 0);
}
问题是我甚至无法读取URL,我没有得到任何数据输入 – NexusOnly 2014-11-23 04:56:40