Intent type

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{".3gp", "video/3gpp"},
{".apk", "application/vnd.android.package-archive"},
{".asf", "video/x-ms-asf"},
{".avi", "video/x-msvideo"},
{".bin", "application/octet-stream"},
{".bmp", "image/bmp"},
{".c", "text/plain"},
{".class", "application/octet-stream"},
{".conf", "text/plain"},
{".cpp", "text/plain"},
{".doc", "application/msword"},
{".exe", "application/octet-stream"},
{".gif", "image/gif"},
{".gtar", "application/x-gtar"},
{".gz", "application/x-gzip"},
{".h", "text/plain"},
{".htm", "text/html"},
{".html", "text/html"},
{".jar", "application/java-archive"},
{".java", "text/plain"},
{".jpeg", "image/jpeg"},
{".jpg", "image/jpeg"},
{".js", "application/x-javascript"},
{".log", "text/plain"},
{".m3u", "audio/x-mpegurl"},
{".m4a", "audio/mp4a-latm"},
{".m4b", "audio/mp4a-latm"},
{".m4p", "audio/mp4a-latm"},
{".m4u", "video/vnd.mpegurl"},
{".m4v", "video/x-m4v"},
{".mov", "video/quicktime"},
{".mp2", "audio/x-mpeg"},
{".mp3", "audio/x-mpeg"},
{".mp4", "video/mp4"},
{".mpc", "application/vnd.mpohun.certificate"},
{".mpe", "video/mpeg"},
{".mpeg", "video/mpeg"},
{".mpg", "video/mpeg"},
{".mpg4", "video/mp4"},
{".mpga", "audio/mpeg"},
{".msg", "application/vnd.ms-outlook"},
{".ogg", "audio/ogg"},
{".pdf", "application/pdf"},
{".png", "image/png"},
{".pps", "application/vnd.ms-powerpoint"},
{".ppt", "application/vnd.ms-powerpoint"},
{".prop", "text/plain"},
{".rar", "application/x-rar-compressed"},
{".rc", "text/plain"},
{".rmvb", "audio/x-pn-realaudio"},
{".rtf", "application/rtf"},
{".sh", "text/plain"},
{".tar", "application/x-tar"},
{".tgz", "application/x-compressed"},
{".txt", "text/plain"},
{".wav", "audio/x-wav"},
{".wma", "audio/x-ms-wma"},
{".wmv", "audio/x-ms-wmv"},
{".wps", "application/vnd.ms-works"},
//{".xml", "text/xml"},
{".xml", "text/plain"},
{".z", "application/x-compress"},
{".zip", "application/zip"},
{"", "*/*"}
『武汉3G梦工场』 Android教程Intent构成之Data和Type
作者：犀利哥S 提交日期：2011-11-01 15:01:58 访问：59 回复：0 楼主
　　Data的描述，在Android中，表现成为一个URI。用在内部通信中，可能描述是Content Provider用的形如content://xxxx这样的东东，抑或是外部的一个形如tel://xxxx这样的链接。总而言之，是能够清楚准确的描述一个数据地址的uri。
　　
　　说了Data，就必须要提Type，很多时候，会有人误解，觉着Data和Type的差别，就犹如泡妞和泡马子之间的差别一样，微乎其微。但其实不然，Type信息，是用MIME来表示的，比如text/plain，这样的东西。说到这里，两者差别就很清晰了，Data就是门牌号，指明了具体的位置，具体问题具体分析，而type，则是强调物以类聚，解决一批量的问题。实际的例子是这样的，比如，从某个应用拨打一个电话，会发起的是action为ACTION_DIAL且data为tel:xxx这样的Intent，对应的人类语言就是拨打xxx的电话，很具象。而如果使用type，就宽泛了许多，比如浏览器收到一个未知的MIME类型的数据，就会放出这样的Intent，求系统的其他应用来帮助，表达成自然语言应该就是：查看pdf类文档，这样的。