投放基本概念
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
如果您不熟悉 Cast 術語和概念，請先參閱
Cast 詞彙表，再查看設計檢查清單。
開始投放前，傳送端裝置 (例如手機或平板電腦) 和接收端裝置 (例如連上電視的 Chromecast) 必須連上相同 Wi-Fi 網路。
使用者可以透過兩種方式啟動 Cast 工作階段：
1. 連線及播放：先連線至 Web Receiver，再播放內容，
內容會從頭開始播放
2. 播放及連線：在播放內容時連線至網頁接收器，內容會從傳送端裝置的目前位置開始在網頁接收器上播放。
1. 連線並遊玩
Android
輕觸「投放」按鈕
投放主畫面
選取接收者
載入網頁接收器應用程式
播放內容
Web Receiver 播放內容
iOS
輕觸「投放」按鈕
投放主畫面
選取接收者
載入網頁接收器應用程式
播放內容
Web Receiver 播放內容
Chrome
輕觸「投放」按鈕
投放主畫面
選取接收者
載入網頁接收器應用程式
播放內容
Web Receiver 播放內容
2. 播放及連線
Android
播放內容
投放主畫面
輕觸「投放」按鈕
投放主畫面
選取接收者
投放主畫面
顯示為已連線的投放按鈕
Web Receiver 播放內容
iOS
播放內容
投放主畫面
輕觸「投放」按鈕
投放主畫面
選取接收者
Web Receiver 播放內容
Chrome
播放內容
投放主畫面
輕觸「投放」按鈕
投放主畫面
選取接收者
Web Receiver 播放內容
如果沒有傳送端裝置連線，Chromecast 會顯示主畫面，當中包含相片、時間和裝置狀態。Web Receiver 應用程式停止執行時，系統會顯示主畫面。
如要進一步瞭解 Web Receiver 應用程式停止執行的原因，請參閱：
Android
傳送者已中斷連線
投放主畫面
iOS
傳送者已中斷連線
投放主畫面
Chrome
傳送者已中斷連線
投放主畫面
本設計指南中使用的圖片
由 Blender Foundation 提供，並根據著作權或創用 CC 授權分享。
- Elephant's Dream：(c) copyright 2006, Blender Foundation / Netherlands Media Art Institute /
www.elephantsdream.org
- Sintel：(c) copyright Blender Foundation | www.sintel.org
- 鋼鐵之淚：(CC) Blender Foundation | mango.blender.org
- Big Buck Bunny：(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org
除非另有註明，否則本頁面中的內容是採用創用 CC 姓名標示 4.0 授權，程式碼範例則為阿帕契 2.0 授權。詳情請參閱《Google Developers 網站政策》。Java 是 Oracle 和/或其關聯企業的註冊商標。
上次更新時間：2025-07-26 (世界標準時間)。
[null,null,["上次更新時間：2025-07-26 (世界標準時間)。"],[[["\u003cp\u003eSender and receiver devices must be on the same Wi-Fi network to initiate a Cast session.\u003c/p\u003e\n"],["\u003cp\u003eUsers can start a Cast session using either "Connect & Play" where content starts from the beginning, or "Play & Connect" where content resumes from its current position.\u003c/p\u003e\n"],["\u003cp\u003eChromecast displays a home screen when idle or no sender devices are connected.\u003c/p\u003e\n"],["\u003cp\u003eThis guide uses images courtesy of the Blender Foundation, under copyright or Creative Commons license.\u003c/p\u003e\n"]]],[],null,["# Cast Basics\n\nIf you're not familiar with Cast terminology and concepts, review the [Cast Glossary](/cast/glossary) before going through the Design Checklist. \n\nBefore a Cast session can begin, both the sender device (for example, a mobile phone or tablet)\nand the receiver device (for example, a Chromecast plugged into a TV) must be connected to the\nsame Wi-Fi network.\n\n[Cast sequence](#cast-session-sequence)\n---------------------------------------\n\n\nThere are two ways users can start a Cast session:\n\n\n**1. Connect \\& play:** Connect to a Web Receiver before playing content,\ncontent starts from the beginning\n\n\n**2. Play \\& connect:** Connect to a Web Receiver while playing content,\ncontent starts on the Web Receiver at its current position on sender device \n\n### 1. Connect \\& play\n\n### Android\n\nTap the Cast button \nCast home screen \nSelect a receiver \nWeb Receiver app loading \nPlay the content \nWeb Receiver playing content \n\n### iOS\n\nTap the Cast button \nCast home screen \nSelect a receiver \nWeb Receiver app loading \nPlay the content \nWeb Receiver playing content \n\n### Chrome\n\nTap the Cast button \nCast home screen \nSelect a receiver \nWeb Receiver app loading \nPlay the content \nWeb Receiver playing content \n\n### 2. Play \\& connect\n\n### Android\n\nPlay the content \nCast home screen \nTap the Cast button \nCast home screen \nSelect a receiver \nCast home screen \nCast connected \nWeb Receiver playing content \n\n### iOS\n\nPlay the content \nCast home screen \nTap the Cast button \nCast home screen \nSelect a receiver \nWeb Receiver playing content \n\n### Chrome\n\nPlay the content \nCast home screen \nTap the Cast button \nCast home screen \nSelect a receiver \nWeb Receiver playing content \n\n[Cast home screen](#cast-home)\n------------------------------\n\nOn Chromecast, a home screen with photos, time and device status appears when no sender devices\nare connected. When Web Receiver apps stop running, the home screen is shown.\n\nFor more information about how Web Receiver apps stop running, see:\n\n- [Cast dialog, while casting](/cast/docs/design_checklist/cast-dialog#sender-cast-menu-casting)\n- [Sender stops cast](/cast/docs/design_checklist/sender#sender-control-end)\n- [Web Receiver app idle](/cast/docs/design_checklist/receiver#receiver-ui-idle)\n- [Web Receiver paused](/cast/docs/design_checklist/receiver#receiver-ui-pause)\n\n### Android\n\nSender disconnected \nCast home screen \n\n### iOS\n\nSender disconnected \nCast home screen \n\n### Chrome\n\nSender disconnected \nCast home screen \n\n\u003cbr /\u003e\n\n**Images used in this design guide**\nare courtesy of the Blender Foundation, shared under copyright or Creative Commons license.\n\n- Elephant's Dream: (c) copyright 2006, Blender Foundation / Netherlands Media Art Institute / www.elephantsdream.org\n- Sintel: (c) copyright Blender Foundation \\| www.sintel.org\n- Tears of Steel: (CC) Blender Foundation \\| mango.blender.org\n- Big Buck Bunny: (c) copyright 2008, Blender Foundation / www.bigbuckbunny.org"]]
