使用HttpURLConnection图片

一个简单的例子，使用HttpURLConnection下载图片

/** Automatically generated file. DO NOT MODIFY */
package com.dzt.downloadimage;

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

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2014-05-10 11:52  DownLoadImage\
     文件         475  2014-05-10 11:52  DownLoadImage\.classpath
     文件         849  2014-05-10 11:52  DownLoadImage\.project
     目录           0  2014-05-10 11:52  DownLoadImage\.settings\
     文件         177  2014-05-10 11:52  DownLoadImage\.settings\org.eclipse.jdt.core.prefs
     文件         925  2014-05-10 13:16  DownLoadImage\AndroidManifest.xml
     目录           0  2014-05-10 11:52  DownLoadImage\assets\
     目录           0  2014-05-10 13:23  DownLoadImage\bin\
     文件         925  2014-05-10 13:16  DownLoadImage\bin\AndroidManifest.xml
     目录           0  2014-05-10 12:49  DownLoadImage\bin\classes\
     文件      625752  2014-05-10 13:23  DownLoadImage\bin\classes.dex
     目录           0  2014-05-10 12:49  DownLoadImage\bin\classes\com\
     目录           0  2014-05-10 12:49  DownLoadImage\bin\classes\com\dzt\
     目录           0  2014-05-10 12:49  DownLoadImage\bin\classes\com\dzt\downloadimage\
     文件         351  2014-05-10 12:49  DownLoadImage\bin\classes\com\dzt\downloadimage\BuildConfig.class
     文件        2462  2014-05-10 13:23  DownLoadImage\bin\classes\com\dzt\downloadimage\MainActivity$downloadImageTask.class
     文件        2416  2014-05-10 13:23  DownLoadImage\bin\classes\com\dzt\downloadimage\MainActivity.class
     文件         349  2014-05-10 13:16  DownLoadImage\bin\classes\com\dzt\downloadimage\R$attr.class
     文件         470  2014-05-10 13:16  DownLoadImage\bin\classes\com\dzt\downloadimage\R$dimen.class
     文件         416  2014-05-10 13:16  DownLoadImage\bin\classes\com\dzt\downloadimage\R$drawable.class
     文件         493  2014-05-10 13:16  DownLoadImage\bin\classes\com\dzt\downloadimage\R$id.class
     文件         412  2014-05-10 13:16  DownLoadImage\bin\classes\com\dzt\downloadimage\R$layout.class
     文件         397  2014-05-10 13:16  DownLoadImage\bin\classes\com\dzt\downloadimage\R$menu.class
     文件         556  2014-05-10 13:16  DownLoadImage\bin\classes\com\dzt\downloadimage\R$string.class
     文件         440  2014-05-10 13:16  DownLoadImage\bin\classes\com\dzt\downloadimage\R$style.class
     文件         703  2014-05-10 13:16  DownLoadImage\bin\classes\com\dzt\downloadimage\R.class
     目录           0  2014-05-10 12:49  DownLoadImage\bin\classes\com\dzt\downloadimage\utils\
     文件        1667  2014-05-10 13:04  DownLoadImage\bin\classes\com\dzt\downloadimage\utils\HttpUtils.class
     目录           0  2014-05-10 12:49  DownLoadImage\bin\dexedLibs\
     文件      211326  2014-05-10 12:49  DownLoadImage\bin\dexedLibs\android-support-v4-75349980f13f79e8bb1012b2c60590f0.jar
     文件      258064  2014-05-10 13:23  DownLoadImage\bin\DownLoadImage.apk
............此处省略54个文件信息