ประสิทธิภาพของระบบที่ดีที่สุด: Awareness API จะจัดการผลกระทบต่ออายุการใช้งานแบตเตอรี่และการใช้อินเทอร์เน็ตโดยอัตโนมัติเพื่อให้แอปของคุณไม่ต้องดำเนินการ
รั้วและสแนปชอต
Awareness API ประกอบด้วย API 2 รายการที่แตกต่างกันที่แอปของคุณสามารถใช้เพื่อรับสัญญาณตามบริบทเพื่อระบุสถานการณ์ปัจจุบันของผู้ใช้
Fence API: API นี้ช่วยให้แอปตอบสนองต่อสถานการณ์ปัจจุบันของผู้ใช้ และให้การแจ้งเตือนเมื่อเงื่อนไขของบริบทหลายรายการตรงกัน เช่น เมื่อใดก็ตามที่ผู้ใช้เดินไปรอบๆ และเสียบปลั๊กหูฟังไว้ เมื่อลงทะเบียนรั้วแล้ว Fence API จะส่งการเรียกกลับไปยังแอปได้แม้ว่าแอปจะไม่ทํางานอยู่ก็ตาม
Snapshot API: API นี้ช่วยให้แอปขอข้อมูลเกี่ยวกับบริบทปัจจุบันของผู้ใช้ได้ เช่น ตำแหน่งปัจจุบันของผู้ใช้และสภาพอากาศปัจจุบัน
[null,null,["อัปเดตล่าสุด 2025-08-31 UTC"],[[["\u003cp\u003eThe Google Awareness API lets your app intelligently respond to the user's context, such as their activity, location, and nearby beacons.\u003c/p\u003e\n"],["\u003cp\u003eIt offers benefits like easy implementation, improved context data quality, and automatic management of system resources.\u003c/p\u003e\n"],["\u003cp\u003eThe API provides two ways to access context: the Fence API for reacting to situations and the Snapshot API for requesting current information.\u003c/p\u003e\n"],["\u003cp\u003eSupported context types include time, location, activity, beacons, and headphone status, while places and weather signals are deprecated.\u003c/p\u003e\n"]]],[],null,["# What's the Awareness API?\n\nWith the Google Awareness API, you can enable your app to intelligently react to the\nuser's current situation. The Awareness API exposes five different\n[context types](#context-types), which include user activity,\nand nearby beacons. These types enable your app to refine the user experience in\nnew ways that weren't possible before. Your app can combine these context\nsignals to make inferences about the user's current situation, and use this\ninformation to provide customized experiences, such as a playlist suggestion\nwhen the user plugs in their headphones and starts to jog.\n\nAwareness API benefits\n----------------------\n\nThe Awareness API provides several benefits:\n\n- **Ease of implementation:** You only need to add a single API to your app, which greatly simplifies integration and improves your productivity.\n- **Better context data:** Raw signals are processed for improved quality. For example, advanced algorithms are used to determine the user's activity with a high level of accuracy.\n- **Optimal system health:** The Awareness API automatically manages its impact on battery life and data usage so that your app doesn't have to.\n\nFences and snapshots\n--------------------\n\nThe Awareness API consists of two distinct APIs that your app can use to\nget context signals in order to determine the user's current situation:\n\n- [**Fence API:**](/awareness/android-api/fence-api-overview) This API lets your app react to the user's current situation, and provides notification when a combination of context conditions are met. For example, whenever the user takes a walk and their headphones are plugged in. Once a fence is registered, the Fence API can send callbacks to your app even when it's not running.\n- [**Snapshot API:**](/awareness/android-api/snapshot-api-overview) This API lets your app request information about the user's current context, such as the user's current location and the current weather conditions.\n\nContext types\n-------------\n\nContext is at the heart of the Awareness API. Contextual data includes\nsensor-derived data such as location (latitude and longitude), place type,\nlike a park or coffee shop, and activity, such as a walk or drive. These basic\ntypes, or signals, can be combined to extrapolate the user's situation in more\nspecific detail. Expand the following notice to see which contextual signals\nhave been deprecated.\n**Deprecation notice: Places and Weather contextual signals** **Warning:**\n| The Places and Weather contextual signals, exposed by the\n| [`getPlaces()`](/android/reference/com/google/android/gms/awareness/SnapshotClient#getPlaces()), and\n| [`getWeather()`](/android/reference/com/google/android/gms/awareness/SnapshotClient#getWeather())\n| methods, were deprecated.\n|\n| - The Places contextual signal was turned off. Continued use of this signal was restricted to customers with existing implementations, through October 30, 2019. New implementations must use the [Places SDK for Android](/places/android-sdk) instead of the Places contextual signal.\n| - The Weather contextual signal has also been turned off. Continued use of this signal has been restricted to customers with existing implementations, through January 31, 2020. Google doesn't offer alternative functionality for the Weather contextual signal.\n\nThe following table describes the basic context types currently offered by\nthe Awareness API:\n\n| Context type | Example |\n|--------------|----------------------------------------------------------|\n| Time | Current local time |\n| Location | Latitude and longitude |\n| Activity | Detected user activity, like walking, running, or biking |\n| Beacons | Nearby beacons that match the specified namespace |\n| Headphones | Status of whether headphones are plugged in, or not |"]]
