获取AppStore，APP信息

调用iTunes api
http://itunes.apple.com/lookup?id=1048837768
返回的数据格式

{
"results" : [
{
"primaryGenreName" :
"Lifestyle",
"artworkUrl100" :
"http:\/\/is3.mzstatic.com\/image\/thumb\/Purple69\/v4\/0e\/e8\/e6\/0ee8e682-8ed0-ad48-88ae-690634fff04f\/source\/100x100bb.jpg",
"sellerUrl" :
"http:\/\/www.myou.com",
"currency" : "USD",
"artworkUrl512" :
"http:\/\/is3.mzstatic.com\/image\/thumb\/Purple69\/v4\/0e\/e8\/e6\/0ee8e682-8ed0-ad48-88ae-690634fff04f\/source\/512x512bb.jpg",
"ipadScreenshotUrls" : [

],
"fileSizeBytes" :
"22613842",
"genres" : [
"Lifestyle",
"Food & Drink"
],
"languageCodesISO2A" : [
"EN",
"ZH"
],
"artworkUrl60" :
"http:\/\/is3.mzstatic.com\/image\/thumb\/Purple69\/v4\/0e\/e8\/e6\/0ee8e682-8ed0-ad48-88ae-690634fff04f\/source\/60x60bb.jpg",
"supportedDevices" : [
"iPhone4",
"iPad2Wifi",
"iPad23G",
"iPhone4S",
"iPadThirdGen",
"iPadThirdGen4G",
"iPhone5",
"iPodTouchFifthGen",
"iPadFourthGen",
"iPadFourthGen4G",
"iPadMini",
"iPadMini4G",
"iPhone5c",
"iPhone5s",
"iPhone6",
"iPhone6Plus",
"iPodTouchSixthGen"
],
"trackViewUrl" :
"https:\/\/itunes.apple.com\/us\/app\/mi-you-sheng-huo\/id1048837768?mt=8&uo=4",
"description" :
"米柚生活，为广大写字楼白领提供物美价廉的特色水果\/零食\/下午茶在线订购和1小时极致配送服务。\n\n我们的特色\n
产地直供 新鲜水果 足不出户，让味蕾去世界旅行\n
买手精选 美味零食下午茶 工作时间，从未如此好听\n
专业搭配 营养套餐 你的健康，我们最在意\n
物美价廉 极致体验 你想要的，米柚哥为你1小时送达\n\n我们的活动\n
注册有礼：新用户直送无门槛水果券，等你尝鲜\n 充值有礼：充值就送现金&水果券，多充多送\n
分享有礼：分享给好友可得现金奖励，上不封顶\n 优惠促销：满减、买送、折扣、秒杀…各种促销活动玩不停，不要错过哦",
"version" : "1.1.2",
"bundleId" :
"com.myou.MiYouStore",
"artistViewUrl" :
"https:\/\/itunes.apple.com\/us\/developer\/shen-zhen-shi-mi-you-ke-ji\/id1048837767?uo=4",
"releaseDate" :
"2015-10-31T19:54:22Z",
"appletvScreenshotUrls" : [

],
"isGameCenterEnabled" : false,
"wrapperType" :
"software",
"genreIds" : [
"6012",
"6023"
],
"trackId" : 1048837768,
"minimumOsVersion" :
"7.0",
"formattedPrice" :
"Free",
"primaryGenreId" : 6012,
"currentVersionReleaseDate" :
"2016-01-21T03:06:26Z",
"artistId" : 1048837767,
"trackContentRating" :
"4+",
"artistName" :
"深圳市米柚科技有限公司",
"price" : 0,
"trackCensoredName" :
"米柚生活",
"trackName" :
"米柚生活",
"kind" : "software",
"features" : [

],
"contentAdvisoryRating" :
"4+",
"screenshotUrls" : [
"http:\/\/a5.mzstatic.com\/us\/r30\/Purple69\/v4\/a8\/2b\/c4\/a82bc4de-332b-8506-168d-1c15e24678d6\/screen1136x1136.jpeg",
"http:\/\/a2.mzstatic.com\/us\/r30\/Purple69\/v4\/49\/a9\/10\/49a91022-db53-e27d-5337-abc9df9c729d\/screen1136x1136.jpeg",
"http:\/\/a2.mzstatic.com\/us\/r30\/Purple69\/v4\/1f\/fa\/a9\/1ffaa90c-40f6-6f1f-f34f-9815578578f0\/screen1136x1136.jpeg",
"http:\/\/a4.mzstatic.com\/us\/r30\/Purple69\/v4\/3a\/51\/20\/3a51206b-f0be-17a1-7af7-5ed2fd6d497b\/screen1136x1136.jpeg",
"http:\/\/a4.mzstatic.com\/us\/r30\/Purple69\/v4\/42\/ec\/8e\/42ec8ec7-6ba7-e9d4-5f3e-fb054170ecbc\/screen1136x1136.jpeg"
],
"releaseNotes" :
"1、产品性能优化，为您节省更多的流量及电量\n2、购买流程及体验优化",
"isVppDeviceBasedLicensingEnabled" : true,
"sellerName" :
"shenzhen MYou Technologies Co., Ltd.",
"advisories" : [

]
}
],
"resultCount" : 1
}