原文:Swift實戰-豆瓣電臺（一）準備

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一 準備

我們現在看看我們要做一個什么樣的東西

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觀看地址：http://v.youku.com/v_show/id_XNzI4ODY2Mjky.html

布局

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通過上面這張圖我們可以看出整個demo有兩個視圖，視圖一用來播放音樂，視圖二用來選擇頻道。

視圖一

ImageView用來顯示音樂的圖片

TableView用來顯示音樂列表

Progress用來顯示播放進度

Label用來顯示播放時間

Button用來切換視圖

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視圖二

Lbale顯示“選擇頻道”

Tableview用來顯示頻道列表

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知識要點

組件：

ImageView

TableView

TableViewCell

Progress

Label

Button

MediaPlayer

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知識點：

視圖之間的跳轉，傳參，回跳

協議

異步獲取數據

Json解析

動畫效果

豆瓣API

頻道列表

http://www.douban.com/j/app/radio/channels

歌曲列表

http://douban.fm/j/mine/playlist?channel=0

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頻道列表的json數據參考

{"channels": [{"name_en": "Personal Radio","seq_id": 0,"abbr_en": "My","name": "私人兆赫","channel_id": 0},{"name": "華語","seq_id": 0,"abbr_en": "","channel_id": "1","name_en": ""}] }

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歌曲列表的json數據參考

{"r": 0,"is_show_quick_start": 0,"song": [{"album": "/subject/7153475/","picture": "http://img3.douban.com/lpic/s7022222.jpg","ssid": "cd19","artist": "Herman's Hermits","url": "http://mr3.douban.com/201406201304/a687b5d793bb3233e243f05a3e502b20/view/song/small/p2087018.mp3","company": "Warner","title": "Smile Please","rating_avg": 0,"length": 165,"subtype": "","public_time": "2004","songlists_count": 0,"sid": "2087018","aid": "7153475","sha256": "5f6ba79e1463c1b54d0be17d090d4ee09d55121a91905ddd2217b0ba458ca7a2","kbps": "64","albumtitle": "The Best of","like": "0"},{"album": "/subject/1947603/","picture": "http://img3.douban.com/lpic/s4458282.jpg","ssid": "b80e","artist": "Pompeii","url": "http://mr3.douban.com/201406201304/f8ea9c7ba0793030c8c486152d51527e/view/song/small/p2087210.mp3","company": "Warner","title": "Ten Hundred Lights","rating_avg": 3.81894,"length": 255,"subtype": "","public_time": "2006","songlists_count": 0,"sid": "2087210","aid": "1947603","sha256": "761fb793fd0571663c469a10bf9fc3bf0e2e3b329ecc5dddad8a2d28fd7ac0c7","kbps": "64","albumtitle": "Assembly","like": "0"}] }

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在下一節，我們將一起分享一下怎么在storyboard中進行布局操作。

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