Question

使用listAdapter

列出数据时，

进度对话框不起作用

我认为所有关于向myAdapter发送活动

final myAdapter adapter = new myAdapter(rss_list_activity.this, liste);


    final ProgressDialog dialog = ProgressDialog.show(this, "Title", 
            "Message", true);
    final Handler handler = new Handler() {
           public void handleMessage(Message msg) {
              dialog.dismiss();
              }
           };
        Thread checkUpdate = new Thread() {  
           public void run() {
        getListFromXml();
        lv.setAdapter(adapter);
              handler.sendEmptyMessage(0);
              }
           };
        checkUpdate.start();

Answer 1

这里有一些关于线程的信息，如果我是你，我会使用AsyncTask：

http://developer.android.com/resources/articles/painless-threading.html

类似的东西应该有效：

LoadListTask tsk = new LoadListTask();
tsk.execute((Void) null);

有了这个

private class LoadListTask extends AsyncTask<Void, Void, List<theType>>
{
    final ProgressDialog dialog;

    @Override
    protected void onPreExecute()
    {
        super.onPreExecute();
        dialog = ProgressDialog.show(MainClass.this, "Title", "Message", true);
    }

    @Override
    protected void onPostExecute(List<theType> result)
    {
        super.onPostExecute(result);
        final myAdapter adapter = new myAdapter(rss_list_activity.this, result);
        lv.setAdapter(adapter);
        dialog.dismiss();
    }

    @Override
    protected List<theType> doInBackground(Void... params)
    {
        return getListFromXml();
    }
}

Answer 2

使用dialog.show();显示对话框。您正在使用dialog.dismiss();

直接解除对话框

进度对话框不适用于自定义列表适配器

2 个答案: