使用現有的付款方式購物
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
涉及購買交易的流程應盡可能簡單明瞭,以使駕駛人需要的注意力降到最低。
請務必遵循購買流程指南。
流程範例
使用者動作 |
動作執行位置 |
動作完成後的步數 |
使用者正在使用您的應用程式,並決定購買。 |
到達網頁範本 (不會顯示) |
1 |
使用者會從附近或最近預訂的地點清單中,選取停車地點。 |
清單範本

|
2 |
使用者查看停車地點詳細資料並保留空位;購買交易會在背景進行。 |
窗格範本

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3 |
使用者會看到確認訊息,然後選取「導覽」。 |
訊息範本 
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4 |
系統會開啟獨立的導航應用程式,並開始轉送路線。 |
切換至導航應用程式

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1 (新工作) |
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:2025-07-25 (世界標準時間)。
[null,null,["上次更新時間:2025-07-25 (世界標準時間)。"],[[["\u003cp\u003eIn-car purchase flows should be straightforward and require minimal driver attention, ideally concluding within 3 steps inside the app.\u003c/p\u003e\n"],["\u003cp\u003eApps should streamline the purchase process by offering curated parking location lists, background purchase handling, and clear confirmation messages.\u003c/p\u003e\n"],["\u003cp\u003eUpon purchase confirmation, initiate navigation using a seamless transition to a dedicated navigation app, ensuring a clear task separation for the driver.\u003c/p\u003e\n"]]],[],null,["# Purchase using existing payment method\n\n\u003cbr /\u003e\n\nFlows that involve purchases should be as simple and short as possible, to\nminimize attention needed from drivers.\n\nBe sure to follow the\n[guidelines for purchase flows](/cars/design/create-apps/ux-requirements/templated-apps#purchase).\n\nSample flow\n-----------\n\n| User action | Where action is performed | Step count after action |\n|------------------------------------------------------------------------------------------------------------|------------------------------|-------------------------|\n| The user is using your app. They decide to make a purchase. | Landing template (not shown) | 1 |\n| The user selects a parking location from a curated list of nearby or recently booked locations. | List template | 2 |\n| The user views parking location details and reserves the spot; the purchase takes place in the background. | Pane template | 3 |\n| The user sees confirmation and selects **Navigate**. | Message template | 4 |\n| A separate navigation app opens and routing begins. | Switch to navigation app | 1 (new task) |"]]