将 Youtube 播放列表解析为 Listview [英] Parsing Youtube playlist to Listview

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本文介绍了将 Youtube 播放列表解析为 Listview的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我正在尝试获取 Youtube 播放列表并将其显示在列表视图中我正在使用 本教程,它是与我一起从来自 USERNAME 获取视频的工作正常,但是当我尝试从 从播放列表 链接获取视频信息时,它显示以下错误:

I'm trying to get Youtube playlist and show it in a listview I'm using this tutorial , it's working fine with me for getting videos from USERNAME but when I try to get videos informations from Playlist link it shows the following error :

Thread-968| Feck
org.json.JSONException: No value for player
org.json.JSONObject.get(JSONObject.java:354)
org.json.JSONObject.getJSONObject(JSONObject.java:569)
com.blundell.tut.service.task.GetYouTubeUserVideosTask.run(GetYouTubeUserVideosTask.java:90)
java.lang.Thread.run(Thread.java:856)


line 90 in GetYouTubeUserVideos is:
       url=jsonObject.getJSONObject("player").getString("default");

我变了

String title = jsonObject.getString("title");

String title = jsonObject.getJSONObject("video").getString("title");

我正在使用以下链接作为播放列表:

and I'm using the following link for playlist :

"https://gdata.youtube.com/feeds/api/playlists/" + 用户名 + "?&v=2&alt=jsonc"

"https://gdata.youtube.com/feeds/api/playlists/" + username + "?&v=2&alt=jsonc"

推荐答案

如果您将 JSON 通过格式化程序,它会更容易使用:

If you put the JSON through a formatter it is much easier to work with:

{
   "apiVersion":"2.1",
   "data":{
      "id":"PL5ErH2bHcHAmXgk-x3VoaKKOTJuE9tt17",
      "author":"Yer7amJiddak",
      "title":"مقاطع افلام كوميدي",
      "description":"",
      "thumbnail":{
         "sqDefault":"https://i.ytimg.com/vi/I0zWtr2TTFQ/default.jpg",
         "hqDefault":"https://i.ytimg.com/vi/I0zWtr2TTFQ/hqdefault.jpg"
      },
      "content":{
         "5":"http://www.youtube.com/p/PL5ErH2bHcHAmXgk-x3VoaKKOTJuE9tt17"
      },
      "totalItems":12,
      "startIndex":1,
      "itemsPerPage":25,
      "items":[
         {
            "id":"PLxzsLIRt--QhyuZ8u3UfqDmRK1wKF_sUWed67r02_4tE",
            "position":1,
            "author":"Yer7amJiddak",
            "video":{
               "id":"I0zWtr2TTFQ",
               "uploaded":"2012-10-18T13:42:37.000Z",
               "updated":"2013-07-30T16:10:44.000Z",
               "uploader":"kgental1",
               "category":"Comedy",
               "title":"اجمل مشهد كوميدي من فيلم رمضان مبروك ابو العلمين حمودة",
               "description":"http://www.facebook.com/Khaled.133\nاجمل مشهد كوميدي من فيلم رمضان مبروك ابو العلمين حمودة",
               "thumbnail":{
                  "sqDefault":"https://i1.ytimg.com/vi/I0zWtr2TTFQ/default.jpg",
                  "hqDefault":"https://i1.ytimg.com/vi/I0zWtr2TTFQ/hqdefault.jpg"
               },
               "player":{
                  "default":"https://www.youtube.com/watch?v=I0zWtr2TTFQ&feature=youtube_gdata_player",
                  "mobile":"https://m.youtube.com/details?v=I0zWtr2TTFQ"
               },
               "content":{
                  "5":"https://www.youtube.com/v/I0zWtr2TTFQ?version=3&f=playlists&app=youtube_gdata",
                  "1":"rtsp://v6.cache6.c.youtube.com/CiULENy73wIaHAlUTJO9ttZMIxMYDSANFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp",
                  "6":"rtsp://v6.cache6.c.youtube.com/CiULENy73wIaHAlUTJO9ttZMIxMYESARFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp"
               },
               "duration":186,
               "rating":5.0,
               "likeCount":"28",
               "ratingCount":28,
               "viewCount":15448,
               "favoriteCount":0,
               "commentCount":6,
               "accessControl":{
                  "comment":"allowed",
                  "commentVote":"allowed",
                  "videoRespond":"moderated",
                  "rate":"allowed",
                  "embed":"allowed",
                  "list":"allowed",
                  "autoPlay":"allowed",
                  "syndicate":"allowed"
               }
            }
         },
         {
            "id":"PLxzsLIRt--QhyuZ8u3UfqDnXYTVmiMufrzGxcLGdEPTg",
            "position":2,
            "author":"Yer7amJiddak",
            "video":{
               "id":"Ahp8T2J21Ss",
               "uploaded":"2013-01-09T16:19:39.000Z",
               "updated":"2013-07-22T09:34:44.000Z",
               "uploader":"entertainmenttttmisc",
               "category":"Entertainment",
               "title":"احمد حلمى اجمد مشهد فيلم عسل اسود",
               "description":"",
               "thumbnail":{
                  "sqDefault":"https://i1.ytimg.com/vi/Ahp8T2J21Ss/default.jpg",
                  "hqDefault":"https://i1.ytimg.com/vi/Ahp8T2J21Ss/hqdefault.jpg"
               },
               "player":{
                  "default":"https://www.youtube.com/watch?v=Ahp8T2J21Ss&feature=youtube_gdata_player",
                  "mobile":"https://m.youtube.com/details?v=Ahp8T2J21Ss"
               },
               "content":{
                  "5":"https://www.youtube.com/v/Ahp8T2J21Ss?version=3&f=playlists&app=youtube_gdata",
                  "1":"rtsp://v5.cache7.c.youtube.com/CiULENy73wIaHAkr1XZiT3waAhMYDSANFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp",
                  "6":"rtsp://v5.cache7.c.youtube.com/CiULENy73wIaHAkr1XZiT3waAhMYESARFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp"
               },
               "duration":157,
               "aspectRatio":"widescreen",
               "rating":4.571429,
               "likeCount":"25",
               "ratingCount":28,
               "viewCount":7970,
               "favoriteCount":0,
               "commentCount":0,
               "accessControl":{
                  "comment":"allowed",
                  "commentVote":"allowed",
                  "videoRespond":"moderated",
                  "rate":"allowed",
                  "embed":"allowed",
                  "list":"allowed",
                  "autoPlay":"allowed",
                  "syndicate":"allowed"
               }
            }
         },
         {
            "id":"PLxzsLIRt--QhyuZ8u3UfqDv6MEmO1c5QHUzvKie5gHLQ",
            "position":3,
            "author":"Yer7amJiddak",
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               "id":"QChOxhhoTps",
               "uploaded":"2012-12-17T17:00:43.000Z",
               "updated":"2013-07-28T02:14:16.000Z",
               "uploader":"4tYsmt6tPDd0HjeRftVpxA",
               "category":"Entertainment",
               "title":"احلي مشهد  في فيلم اكس لارج احمد حلمي",
               "description":"صبري صبري اوعي يكون الي في بالي\nبسرعة طياراة علي الماركت هات 5 6 7 علب فول و40 بيضة\nاحلي مشهد  في فيلم اكس لارج احمد حلمي",
               "thumbnail":{
                  "sqDefault":"https://i1.ytimg.com/vi/QChOxhhoTps/default.jpg",
                  "hqDefault":"https://i1.ytimg.com/vi/QChOxhhoTps/hqdefault.jpg"
               },
               "player":{
                  "default":"https://www.youtube.com/watch?v=QChOxhhoTps&feature=youtube_gdata_player",
                  "mobile":"https://m.youtube.com/details?v=QChOxhhoTps"
               },
               "content":{
                  "5":"https://www.youtube.com/v/QChOxhhoTps?version=3&f=playlists&app=youtube_gdata",
                  "1":"rtsp://v5.cache2.c.youtube.com/CiULENy73wIaHAmbTmgYxk4oQBMYDSANFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp",
                  "6":"rtsp://v5.cache2.c.youtube.com/CiULENy73wIaHAmbTmgYxk4oQBMYESARFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp"
               },
               "duration":166,
               "rating":4.921875,
               "likeCount":"251",
               "ratingCount":256,
               "viewCount":86896,
               "favoriteCount":0,
               "commentCount":26,
               "accessControl":{
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                  "videoRespond":"moderated",
                  "rate":"allowed",
                  "embed":"allowed",
                  "list":"allowed",
                  "autoPlay":"allowed",
                  "syndicate":"allowed"
               }
            }
         },
         {
            "id":"PLxzsLIRt--QhyuZ8u3UfqDomehvdMw9jj-9cqapYviAc",
            "position":4,
            "author":"Yer7amJiddak",
            "video":{
               "id":"4DGuUppbLlI",
               "uploaded":"2011-02-12T09:24:41.000Z",
               "updated":"2013-07-23T18:14:36.000Z",
               "uploader":"dawafnet",
               "category":"Animals",
               "title":"وش أجرام.flv",
               "description":"",
               "thumbnail":{
                  "sqDefault":"https://i1.ytimg.com/vi/4DGuUppbLlI/default.jpg",
                  "hqDefault":"https://i1.ytimg.com/vi/4DGuUppbLlI/hqdefault.jpg"
               },
               "player":{
                  "default":"https://www.youtube.com/watch?v=4DGuUppbLlI&feature=youtube_gdata_player",
                  "mobile":"https://m.youtube.com/details?v=4DGuUppbLlI"
               },
               "content":{
                  "5":"https://www.youtube.com/v/4DGuUppbLlI?version=3&f=playlists&app=youtube_gdata",
                  "1":"rtsp://v5.cache7.c.youtube.com/CiULENy73wIaHAlSLluaUq4x4BMYDSANFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp",
                  "6":"rtsp://v5.cache7.c.youtube.com/CiULENy73wIaHAlSLluaUq4x4BMYESARFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp"
               },
               "duration":60,
               "rating":4.848101,
               "likeCount":"152",
               "ratingCount":158,
               "viewCount":130456,
               "favoriteCount":0,
               "commentCount":20,
               "accessControl":{
                  "comment":"allowed",
                  "commentVote":"allowed",
                  "videoRespond":"moderated",
                  "rate":"allowed",
                  "embed":"allowed",
                  "list":"allowed",
                  "autoPlay":"allowed",
                  "syndicate":"allowed"
               }
            }
         },
         {
            "id":"PLxzsLIRt--QhyuZ8u3UfqDkOZ2Iydoc0s77lPOpTxQWA",
            "position":5,
            "author":"Yer7amJiddak",
            "video":{
               "id":"bDApYRUHbj4",
               "uploaded":"2007-06-01T15:45:11.000Z",
               "updated":"2013-08-01T16:44:19.000Z",
               "uploader":"hanybee1",
               "category":"Comedy",
               "title":"بحبها يا لمبى",
               "description":"محمد سعد فى فيلم اللى باللى بالك\nتم الرفع بواسطة\n-\n-\n-\n-\nتصميم مواقع\nhttp://hanybee.com/%D8%AA%D8%B5%D9%85%D9%8A%D9%85-%D9%85%D9%88%D8%A7%D9%82%D8%B9.html- تصميم مواقع - إمتلك موقع بتصميم مثالي و متوافق مع محركات البحث على أفضل السيرفرات العالمية\nhttp://hanybee.com تصميم مواقع\nhttp://q8data.com  إستضافة مواقع",
               "thumbnail":{
                  "sqDefault":"https://i1.ytimg.com/vi/bDApYRUHbj4/default.jpg",
                  "hqDefault":"https://i1.ytimg.com/vi/bDApYRUHbj4/hqdefault.jpg"
               },
               "player":{
                  "default":"https://www.youtube.com/watch?v=bDApYRUHbj4&feature=youtube_gdata_player",
                  "mobile":"https://m.youtube.com/details?v=bDApYRUHbj4"
               },
               "content":{
                  "5":"https://www.youtube.com/v/bDApYRUHbj4?version=3&f=playlists&app=youtube_gdata",
                  "1":"rtsp://v3.cache8.c.youtube.com/CiULENy73wIaHAk-bgcVYSkwbBMYDSANFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp",
                  "6":"rtsp://v3.cache8.c.youtube.com/CiULENy73wIaHAk-bgcVYSkwbBMYESARFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp"
               },
               "duration":186,
               "geoCoordinates":{
                  "latitude":26.82055,
                  "longitude":30.8025
               },
               "rating":4.8163857,
               "likeCount":"1642",
               "ratingCount":1721,
               "viewCount":1710657,
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               "commentCount":613,
               "accessControl":{
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            }
         },
         {
            "id":"PLxzsLIRt--QhyuZ8u3UfqDjPBN-0oC_-K-XQaBCRUBqo",
            "position":6,
            "author":"Yer7amJiddak",
            "video":{
               "id":"Y5SnuWN9IUA",
               "uploaded":"2010-10-08T22:33:48.000Z",
               "updated":"2013-07-31T20:16:14.000Z",
               "uploader":"salomiaaa",
               "category":"Comedy",
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               "description":"مقطع من فيلم اللى بالى بالك لمحمد سعد\r\nبرنامج صباح الخير يا جريمة و لقاء كوميدى خلف الأسوار",
               "thumbnail":{
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               "player":{
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               "rating":4.7789474,
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               "ratingCount":380,
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               "updated":"2013-08-01T22:02:54.000Z",
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               "thumbnail":{
                  "sqDefault":"https://i1.ytimg.com/vi/B7ZofpoCERQ/default.jpg",
                  "hqDefault":"https://i1.ytimg.com/vi/B7ZofpoCERQ/hqdefault.jpg"
               },
               "player":{
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               "content":{
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               "content":{
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               "duration":51,
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               "category":"People",
               "title":"اللمبي في القوات الخاصة سه   سه  مقطع مضحك",
               "description":"لمشاهدة المزيد من الفيديوهات الكوميدية و الافلام الحصرية و المسلسلات و البرامج التلفزيونية \nhttp://www.youtube4u.net\nhttp://www.youtube4u.com\n\n\n\n\nاضحك من قلبك - الضحك اضحكوا اضحكو موت من الضحكة الضحكه ابستم ابتسمى ابتسمي\nكوميديا كوميدي كوميدى جامد موت جامد اخر حاجة حاجه فيديو يوتيوب اليوتيوب الفيديو\nyoutube yotbe مقاطع مضحكة مقطع الفنان الفنانة مسرحية فيلم اضحك \nشاهد مقطع مضحك النجم الممثل المغني المغنى المطرب المطربة المطربه الفنان الفنانه الفنانة",
               "thumbnail":{
                  "sqDefault":"https://i1.ytimg.com/vi/CgTPJ8tslhU/default.jpg",
                  "hqDefault":"https://i1.ytimg.com/vi/CgTPJ8tslhU/hqdefault.jpg"
               },
               "player":{
                  "default":"https://www.youtube.com/watch?v=CgTPJ8tslhU&feature=youtube_gdata_player",
                  "mobile":"https://m.youtube.com/details?v=CgTPJ8tslhU"
               },
               "content":{
                  "5":"https://www.youtube.com/v/CgTPJ8tslhU?version=3&f=playlists&app=youtube_gdata",
                  "1":"rtsp://v4.cache2.c.youtube.com/CiULENy73wIaHAkVlmzLJ88EChMYDSANFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp",
                  "6":"rtsp://v4.cache2.c.youtube.com/CiULENy73wIaHAkVlmzLJ88EChMYESARFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp"
               },
               "duration":222,
               "aspectRatio":"widescreen",
               "rating":4.652174,
               "likeCount":"21",
               "ratingCount":23,
               "viewCount":17275,
               "favoriteCount":0,
               "commentCount":2,
               "accessControl":{
                  "comment":"allowed",
                  "commentVote":"allowed",
                  "videoRespond":"moderated",
                  "rate":"allowed",
                  "embed":"allowed",
                  "list":"allowed",
                  "autoPlay":"allowed",
                  "syndicate":"allowed"
               }
            }
         },
         {
            "id":"PLxzsLIRt--QhyuZ8u3UfqDtQAHcmm5pvlDu56XHHglUg",
            "position":11,
            "author":"Yer7amJiddak",
            "video":{
               "id":"iEWICwJBNzk",
               "uploaded":"2011-05-05T03:59:52.000Z",
               "updated":"2013-07-31T20:12:08.000Z",
               "uploader":"tahagaba",
               "category":"Comedy",
               "title":"اللمبي يترافع في المحكمة قمة الكوميديا",
               "description":"ابوس ايدك اجل القضية الساعة تسعة tahagaba",
               "thumbnail":{
                  "sqDefault":"https://i1.ytimg.com/vi/iEWICwJBNzk/default.jpg",
                  "hqDefault":"https://i1.ytimg.com/vi/iEWICwJBNzk/hqdefault.jpg"
               },
               "player":{
                  "default":"https://www.youtube.com/watch?v=iEWICwJBNzk&feature=youtube_gdata_player",
                  "mobile":"https://m.youtube.com/details?v=iEWICwJBNzk"
               },
               "content":{
                  "5":"https://www.youtube.com/v/iEWICwJBNzk?version=3&f=playlists&app=youtube_gdata",
                  "1":"rtsp://v3.cache6.c.youtube.com/CiULENy73wIaHAk5N0ECC4hFiBMYDSANFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp",
                  "6":"rtsp://v3.cache6.c.youtube.com/CiULENy73wIaHAk5N0ECC4hFiBMYESARFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp"
               },
               "duration":208,
               "rating":4.354839,
               "likeCount":"52",
               "ratingCount":62,
               "viewCount":48258,
               "favoriteCount":0,
               "accessControl":{
                  "comment":"denied",
                  "commentVote":"denied",
                  "videoRespond":"moderated",
                  "rate":"allowed",
                  "embed":"allowed",
                  "list":"allowed",
                  "autoPlay":"allowed",
                  "syndicate":"allowed"
               }
            }
         },
         {
            "id":"PLxzsLIRt--QhyuZ8u3UfqDj3GKbd7lrstCsd3Q30qdvU",
            "position":12,
            "author":"Yer7amJiddak",
            "video":{
               "id":"SbBj6m3KnAY",
               "uploaded":"2013-01-16T11:09:20.000Z",
               "updated":"2013-07-08T14:07:53.000Z",
               "uploader":"fibzchesnais",
               "category":"Sports",
               "title":"\u202bبوشكاش Happy Birthday-Boshkash - Mohamed Saad\u202c\u200e - YouTube.wmv",
               "description":"Happy Birthday-Boshkash - Mohamed Saad",
               "thumbnail":{
                  "sqDefault":"https://i1.ytimg.com/vi/SbBj6m3KnAY/default.jpg",
                  "hqDefault":"https://i1.ytimg.com/vi/SbBj6m3KnAY/hqdefault.jpg"
               },
               "player":{
                  "default":"https://www.youtube.com/watch?v=SbBj6m3KnAY&feature=youtube_gdata_player",
                  "mobile":"https://m.youtube.com/details?v=SbBj6m3KnAY"
               },
               "content":{
                  "5":"https://www.youtube.com/v/SbBj6m3KnAY?version=3&f=playlists&app=youtube_gdata",
                  "1":"rtsp://v4.cache7.c.youtube.com/CiULENy73wIaHAkGnMpt6mOwSRMYDSANFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp",
                  "6":"rtsp://v4.cache7.c.youtube.com/CiULENy73wIaHAkGnMpt6mOwSRMYESARFEgGUglwbGF5bGlzdHMM/0/0/0/video.3gp"
               },
               "duration":283,
               "aspectRatio":"widescreen",
               "rating":5.0,
               "likeCount":"7",
               "ratingCount":7,
               "viewCount":6015,
               "favoriteCount":0,
               "commentCount":1,
               "accessControl":{
                  "comment":"allowed",
                  "commentVote":"allowed",
                  "videoRespond":"moderated",
                  "rate":"allowed",
                  "embed":"allowed",
                  "list":"allowed",
                  "autoPlay":"allowed",
                  "syndicate":"allowed"
               }
            }
         }
      ]
   }
}

视频位于 items 数组中.

尝试类似:

JSONArray items = jsonObject.getJsonArray("items");
String url = items.get(0).getJSONObject("player").getString("default");

(如果您想要超过 1 个,请在 JSONArray 上循环).

(and if you want more than 1, loop on the JSONArray).

这篇关于将 Youtube 播放列表解析为 Listview的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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