Android异步加载

访问慕课网提供的一个json接口http://www.imooc.com/api/teacher?type=4&num=30，解析json，并将其显示在listview上，来自http://www.imooc.com/learn/406

/** Automatically generated file. DO NOT MODIFY */
package com.example.imoocnews;

public final class BuildConfig {
    public final static boolean DEBUG = true;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-01-19 16:14  ImoocNews\
     文件         475  2016-01-19 16:14  ImoocNews\.classpath
     文件         845  2016-01-19 16:14  ImoocNews\.project
     目录           0  2016-01-19 16:14  ImoocNews\.settings\
     文件         177  2016-01-19 16:14  ImoocNews\.settings\org.eclipse.jdt.core.prefs
     文件         930  2016-01-19 20:15  ImoocNews\AndroidManifest.xml
     目录           0  2016-01-23 22:50  ImoocNews\assets\
     目录           0  2016-01-23 13:00  ImoocNews\bin\
     文件         930  2016-01-19 20:15  ImoocNews\bin\AndroidManifest.xml
     文件      502781  2016-01-23 13:00  ImoocNews\bin\ImoocNews.apk
     目录           0  2016-01-19 16:14  ImoocNews\bin\classes\
     目录           0  2016-01-19 16:14  ImoocNews\bin\classes\com\
     目录           0  2016-01-19 16:14  ImoocNews\bin\classes\com\example\
     目录           0  2016-01-20 22:59  ImoocNews\bin\classes\com\example\imoocnews\
     文件         351  2016-01-19 16:14  ImoocNews\bin\classes\com\example\imoocnews\BuildConfig.class
     文件        1202  2016-01-23 13:05  ImoocNews\bin\classes\com\example\imoocnews\ImageLoader$1.class
     文件        1077  2016-01-23 13:05  ImoocNews\bin\classes\com\example\imoocnews\ImageLoader$2.class
     文件        1227  2016-01-23 13:05  ImoocNews\bin\classes\com\example\imoocnews\ImageLoader$3.class
     文件        2071  2016-01-23 13:05  ImoocNews\bin\classes\com\example\imoocnews\ImageLoader$NewsAsyncTask.class
     文件        5591  2016-01-23 13:05  ImoocNews\bin\classes\com\example\imoocnews\ImageLoader.class
     文件        1933  2016-01-21 22:53  ImoocNews\bin\classes\com\example\imoocnews\MainActivity$NewsAsyncTask.class
     文件        4242  2016-01-21 22:53  ImoocNews\bin\classes\com\example\imoocnews\MainActivity.class
     文件         630  2016-01-23 13:05  ImoocNews\bin\classes\com\example\imoocnews\NewsAdapter$ViewHolder.class
     文件        4042  2016-01-23 13:05  ImoocNews\bin\classes\com\example\imoocnews\NewsAdapter.class
     文件        1085  2016-01-23 22:48  ImoocNews\bin\classes\com\example\imoocnews\NewsBean.class
     文件         349  2016-01-23 22:44  ImoocNews\bin\classes\com\example\imoocnews\R$attr.class
     文件         470  2016-01-23 22:44  ImoocNews\bin\classes\com\example\imoocnews\R$dimen.class
     文件         416  2016-01-23 22:44  ImoocNews\bin\classes\com\example\imoocnews\R$drawable.class
     文件         530  2016-01-23 22:44  ImoocNews\bin\classes\com\example\imoocnews\R$id.class
     文件         440  2016-01-23 22:44  ImoocNews\bin\classes\com\example\imoocnews\R$layout.class
     文件         397  2016-01-23 22:44  ImoocNews\bin\classes\com\example\imoocnews\R$menu.class
............此处省略62个文件信息