Android bluetooth api. BROADCAST_INTENT_ACTION) .

Android bluetooth api Once your app has permission to use Bluetooth, your app needs to access the BluetoothAdapter and determine if Bluetooth is available on the 在构建基于Android的蓝牙通信应用时，掌握Android Bluetooth API的使用是基本且必要的。 本章节将详细介绍如何在Android平台上利用官方API进行蓝牙设备的发现、配对、连接和数据传输。HC-06和HC-08是两种常用的蓝牙串口模块，广泛应用于低功耗无线通信场景。HC-06是仅支持从模式的蓝牙模块，适用于不需要 android. 2. Android provides the BluetoothHeadset class, which is a proxy for controlling the Bluetooth Headset Service. Star 45. Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. Android devices with a Provides classes that manage Bluetooth functionality, such as scanning for devices, connecting with devices, and managing data transfer between devices. Version 1. This includes both Bluetooth Headset and Hands-Free (v1 Android BluetoothAdapter的详细API 一、前言： 1、继承关系. Establish RFCOMM channels. 创建RFCOMM通道. 3 (API level 18) introduces API support for Android では、セントラル ロールとしての Bluetooth Low Energy（BLE）に対する組み込みプラットフォームのサポートが提供されており、アプリでデバイスの検出、サービスのクエリ、情報の送信に使用できる API が用意されています。 Créez des applications Android optimisées par l'IA avec les API Gemini et plus encore. 为了让支持 BLE 的设备能够在彼此之间传输数据，它们必须先形成通信通道。若要使用 Bluetooth LE API，您需要在清单文件中声明多项权限。 您的应用获得使用蓝牙的权限后，需要访问 BluetoothAdapter 并确定设备上是否支持蓝牙。 如果支持蓝牙，设备将扫描附近的 BLE 设备。 If Bluetooth isn't supported, then you should gracefully disable any Bluetooth features. I recently wanted to use the Bluetooth API to help me exchange data between an Android Smartphone and a Raspberry Pi so I got into the details of the API and I will give you a brief review and The basics. Android provides BluetoothAdapter class to communicate with Bluetooth. These are: Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. Updated Mar 12, 2025; HTML; MFori / Android-Bluetooth-Printer. Bluetooth API 사용법. 0. The android. Bluetooth Process를 간단히 설명하자면 주변에 연결하려는 "android. All you have to do is build for the web, and it runs everywhere, saving you hours of development time. animation; android. 基本要素. Transfer data to and Public APIs for the Bluetooth Profiles. Web Bluetooth API 是实现设备间无线连接和数据传输的强大工具。通过本文的介绍，希望读者能够更好地理解和应用 Web Bluetooth API，提升 Web 应用的功能和用户体验。实际案例展示了如何在不同场景下使用 Web Bluetooth API，希望这些案例能够为读者提供实际的参考和启发。 Bluetooth API 사용법. Android Bluetooth API を介した Bluetooth 機能へのアクセスが可能で、 Androidでは他のBluetooth端末とワイヤレスでデータの交換ができます。 具体的にできることは以下です。 他の Bluetooth 端末をスキャンする 利用蓝牙连接，用户可在启用了蓝牙的设备上流式传输音频。对于大多数音频用例，Android 设备是音频源，呈现设备（例如音响设备或耳机）是接收器。 绝对音量控制. device. Get a list of paired devices. One implementation In Android 4. 管理多连接. 该类仅继承了Object类; 2、该类作用. InputStream と 転送を処理する OutputStream ソケットを経由し、 getInputStream() および getOutputStream() できます。 The Bluetooth API provides implementations for the following Bluetooth profiles: Headset. 0开始包含两个蓝牙芯片模块： 传统/经典蓝牙模块（Classic Bluetooth，简称BT）和低功耗 kotlin material-ui android-application android-bluetooth google-vision-api trf opencv-android netra. BLUETOOTH" android:maxSdkVersion="30" /> <uses-permission android: Android 11（API レベル 30）以前をターゲットとするアプリの場合は、アプリのマニフェスト ファイルで次の権限を宣言します All of the Bluetooth APIs are available in the android. 查找附近已配对或可用的设备；3. Android系统蓝牙的整体架构 Applications：Android蓝牙应用程序，就是使用蓝牙的API的程序； Framework：提供给应用使用的API，我们平时使用的BluetoothAdapter，BluetoothDevice，BluetoothSocket等； Android Bluetooth API 是开发者用来实现 Bluetooth 功能的关键工具。这些 API 允许应用进行一系列操作，如扫描附近设备、查找已配对设备、建立 RFCOMM 通道、连接到其他设备、传输数据以及管理多个连接。 在 应用框架提供通过 Android Bluetooth API 访问蓝牙功能的权限。这些 API 允许应用以无线方式连接到其他蓝牙设备，从而实现点到点和多点无线功能。 Android 应用可通过 Bluetooth API 执行以下操作： 扫描其他蓝牙设备; 查询本地蓝牙适配器的配对蓝牙设备; 建立 BLUETOOTH と BLUETOOTH_ADMIN は、 maxSdkVersion 属性を指定して、Android11（API レベル30）以前の場合に使用するようにします。 Bluetoothデバイスを使用して物理的な位置情報を取得しない場合は、 如果您的应用是在搭载 Android 8. 내부적으로 이 코드는 바인더 IPC 메커니즘을 통해 블루투스 Bluetooth に正常に接続したら、 デバイス、 1 つはコネクテッド BluetoothSocket。 今すぐ デバイス間で情報を共有する機能です。BluetoothSocket を使用すると、一般的な 手順は次のとおりです。. 通过服务发现连接其他设备. In this article, I’ll show you how to build using the Web Bluetooth API to interact with Bluetooth peripherals. bluetooth. BLUETOOTH"/> <uses-permission android:name="android. 다른 블루투스 기기 스캔(기기 검색, 페어링된 기기확인) Bluetooth API는 다음과 같은 Bluetooth 프로필에 대한 구현을 제공합니다. Si le Bluetooth n'a pas été activé en raison d'une erreur (ou l'utilisateur a répondu « Refuser »), le code de résultat est RESULT_CANCELED. 9. AndroidのBluetooth機能の実装 Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. If Bluetooth isn't supported, then you should gracefully disable any Bluetooth features. The first step is adding the Bluetooth permissions to your manifest file in order to use the following APIs. Connection techniques. Interact with Bluetooth devices on the Web introduction article shows you how to get started with Web Bluetooth. --> <uses-permission android:name="android. 環境. New Features. Bluetoothとは? Bluetoothの基本 Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. bluetooth package. Android 4. Most LEA headsets will be dual mode until the LEA source device market share grows. Android Bluetooth API. Get started Get started; Start by creating your first app. 连接设备；4. CONNECTION_ACCESS_REQUEST"; /** @hide */ @SdkConstant (SdkConstantType. Web Bluetooth APIはブラウザからBluetoothを扱えるAPIです。特にBluetoothを扱う際の面倒なネゴシエーションはブラウザが行ってくれるので、JavaScriptのコーディング量は大幅に減らせるのが特徴です。 2. The Bluetooth API supports both This document describes how to use the Android Bluetooth APIs to accomplish the four major tasks necessary to communicate using Bluetooth: setting up Bluetooth, finding devices that are either paired or available in the local area, Get a handle to the default local Bluetooth adapter. BLUETOOTH_ADMIN"/> Update for API 33+ In Android API 33+ (13+) this method is deprecated and enabling/disabling bluetooth without user consent is not more possible. 0; 今回は AndroidアプリでBluetoothでの接続機能を持ったCentral側の実装方法 をまとめていきます。 iOS側にはなってしまいますが実際の接続テストが行えるようにPeripheral側の実装も公開しているので参考にしてみてください。. The default allowlist for the bluetooth policy is self, which enables Bluetooth usage in same-origin nested frames but prevents access by third-party content by default. app. Approfondissez vos connaissances en suivant nos formations ou explorez par vous-même le développement d'applications. Android Bluetooth를 개발하기전에 Bluetooth 통신에대한 약간의 이해가 필요합니다. bluetooth 包下. 支援 BLE 的裝置必須先建立通訊管道，才能在彼此之間傳輸資料。如要使用 Bluetooth LE API，您必須在資訊清單檔案中宣告多個權限。 應用程式取得藍牙使用權限後，應用程式就必須存取 BluetoothAdapter，並判斷裝置是否支援藍牙 如果支援藍牙，裝置就會掃描附近的 BLE 裝置。 The Web Bluetooth API can only be used in a secure context. appwidget This is not specific to any application configuration but represents the connection state of Bluetooth for this profile. 0 (API level 26) or higher, consider using the Companion Device Manager API instead. The following are the classes and interfaces you need in order to create Bluetooth connections: BluetoothAdapter Represents the local Bluetooth adapter (Bluetooth radio). 查询配对蓝牙设备的本地蓝牙适配器. 在 Android 6. API 区分. To fully leverage the BLE APIs, follow the Android Bluetooth HCI Requirements. bluetooth API를 활용하여 블루투스 하드웨어와 상호작용하는 애플리케이션 코드가 있습니다. 在 Android 开发中，经典蓝牙和 BLE 使用的 API 不同。Android 提供了专门的 API 用于 BLE 和经典蓝牙设备的操作。下面是主要的区分方式。 BLE（Bluetooth Request legacy Bluetooth permissions on older devices. These APIs let applications wirelessly connect to other Bluetooth devices, enabling point-to-point and Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. Scan for other Bluetooth devices. Class Overview. Set up Bluetooth; Find Bluetooth devices; then the Android framework automatically shows a pairing request notification or dialog to the user during the 通过蓝牙API，可以实现以下内容： 扫描其他蓝牙设备. bluetooth API 与蓝牙硬件进行交互。此代码在内部通过 Binder IPC 机制调用蓝牙进程。 此代码在内部通过 Binder IPC 机制调用蓝牙进程。 从 Android 13 开始，Bluetooth 是可选的 Mainline 模块。Bluetooth Mainline 模块旨在为所有 Android 用户提供一致、优质的蓝牙体验。 Android APIs. " Learn more Footer Android 7. Access to the API is controlled by the Permissions Policy directive bluetooth. Android Bluetooth スタックでは、デフォルトで有効になっている通話の接続ポリシーを維持できます。 のフレームワーク API を使用して、アダプターを有効または無効にできます。こうした呼び出しでは、ユーザーが設定などの方法で選択した永続的な状態を Android Bluetooth架构. 0-alpha01 are released. 0（API 级别 26）或更高版本的设备上使用，不妨改用 Companion Device Manager API。此 API 会代表您的应用执行设备发现，因此您的应用无需请求位置信息权限。 首次与远程设备建立连接后，系统会自动向用户显示配对请求。 The application framework provides access to the Bluetooth functionality through the Android Bluetooth APIs. 앞으로 스마트폰과 블루투스로 연동해서 하는 프로젝트에서는 RC 카 조종기 같은 조이스틱이나 원하는 버튼, 메뉴, 창 등을 원하는 대로 꾸며야 하는데 You don’t have to write native applications for Android, iOS, macOS or Windows to interface with Bluetooth peripherals. bluetooth:bluetooth:1. 打开蓝牙；2. BROADCAST_INTENT_ACTION) * <p>This API is asynchronous and {@link #ACTION_SDP_RECORD} intent is sent, * with the SDP records found on the remote end. Once the permissions are in place, Bluetooth setup is accomplished in Make sure you have the appropriate Bluetooth permissions and set up your app for Bluetooth before attempting to find Bluetooth devices. 0 及更高版本中，Android 蓝牙堆栈允许音频源设置绝对音量，以便用户准确控制音频 Build AI-powered Android apps with Gemini APIs and more. Web Bluetooth APIの概要. 0-alpha01 contains these commits. 개요 블루투스 통신 모듈(HC-06, HC-05) 사용하기 글에서 구글 플레이 스토어에 등록되어 있는 애플리케이션을 다운로드하여 통신을 해보았다. This class provides the public APIs The first step is adding the Bluetooth permissions to your manifest file in order to use the following APIs. This method is just a short-hand wrapper that enforces the androidx. The Bluetooth API provides implementations for the following Bluetooth profiles: Headset. 从 Android 13 开始，Bluetooth 是可选的 Mainline 模块。 Bluetooth Mainline 模块旨在为所有 Android 用户提供一致、优质的蓝牙体验。 设计初衷 The Bluetooth API of Android is used to perform these tasks and many more: To scan Bluetooth devices; To connect and transfer data from and to other devices; To manage multiple connections; Android Bluetooth API: The interfaces classes to work with Bluetooth are included in the android. If you want to make an app interface with another Bluetooth enabled device, ranging from phones to speakers, you must know how to use Android's Bluetooth API. bluetooth包中提供所有 Bluetooth API。以下概要列出了创建蓝牙连接所需的类和接口： BluetoothAdapter 表示本地蓝牙适配器（蓝牙无线装置）。BluetoothAdapter是所有蓝牙交互的入口点。借助该类，您可以发现其他蓝牙设备、查询已绑定（已配对）设备的列表、使用已知的 MAC 地址实例化BluetoothDevice 引言 在当今移动设备盛行的时代，蓝牙技术作为设备间无线通信的重要手段，被广泛应用于各种场景中。Android平台凭借其开源特性和广泛的应用群体，成为了开发者首选的移动应用开发平台之一。本文将带领读者深入Android开发的蓝牙领域，通过实战演示如何使用Bluetooth API检索设备名称并建立蓝牙 통신은 Android Bluetooth API를 통해서 이루어지는데, 이를 사용해서 다음과 같은 작업을 수행할 수 있습니다. ) class MyBluetoothService( // handler that gets info from Bluetooth service private val handler: Handler) { private inner class ConnectedThread(private val mmSocket: BluetoothSocket) : Thread() { private val mmInStream: InputStream = mmSocket The application framework provides Bluetooth related functionality through the Android Bluetooth APIs. 0-alpha01 and androidx. x 이하 블루투스 아키텍처 애플리케이션 프레임워크 애플리케이션 프레임워크 수준에는 android. If Bluetooth is supported, but disabled, then you can request that the user enable Bluetooth without leaving your app. Bluetooth は Android 13 以降、オプションのメインライン モジュールになっています。Bluetooth メインライン モジュールは、すべての Android ユーザーに一貫性のある高品質な Bluetooth エクスペリエンスを提供することを目的としています。 处于应用框架级别的是应用代码，它使用 android. app; android. accessibilityservice; android. Overview of Android support for Bluetooth; Bluetooth Classic. 蓝牙相关的API都存在android. ) The 基础知识. There are two types of Bluetooth in Android Classic Bluetooth and Bluetooth devices with low power requirements. The Bluetooth Mainline module aims to provide a consistent, high quality Bluetooth experience to all Android users. Use of the Bluetooth LE APIs requires you to declare several permissions in your manifest file. 基本概念. Currently Android only supports one Bluetooth adapter, but the API could be extended to support more. 本文主要介绍Android蓝牙开发中基础知识：蓝牙模块及核心API。 关于蓝牙的连接及通讯功能实现，欢迎查阅下一篇文章：Android蓝牙开发（二）蓝牙消息传输实现。 蓝牙模块 从蓝牙4. Premiers pas Premiers pas; Commencez par créer votre première appli. If there is an error android蓝牙api，#Android蓝牙API的探索在现代移动应用中，蓝牙技术作为一种短距离无线通信方式，极大地方便了设备间的数据传输。Android提供了完善的蓝牙API，可以帮助开发者实现蓝牙相关的功能。本文将介绍Android蓝牙API的基本使用，并提供代码示例来加深理解。 Web Bluetooth API为Web应用与蓝牙设备的交互提供了一种新的可能，极大地拓展了Web应用的功能边界。请注意，本文提供了一个关于WebKit Web Bluetooth API的概述，包括代码示例和关键概念的解释。Web Bluetooth API可以与现代Web应用的其它功能集成，如WebAssembly、Web Workers等，以实现更复杂的应用场景。 <uses-permission android:name="android. In this tutorial, we will be making an app that is similar to the built-in Bluetooth app in Android's settings. Android Studio：Koala; Kotlin：1. Connect to other devices through service discovery. According to documentation, you should use ACTION_REQUEST_ENABLE Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. These APIs let applications wirelessly connect to other Bluetooth devices, enabling point-to-point and multipoint wireless features. All of the Bluetooth APIs are available in the Android Bluetooth package. Using the Bluetooth APIs, an Android application can perform the following: Scan for other Bluetooth devices Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. 下面有一 在构建基于Android的蓝牙通信应用时，掌握Android Bluetooth API的使用是基本且必要的。 本章节将详细介绍如何在 Android 平台上利用官方API进行 蓝牙 设备的发现、配对、连接和数据传输。 The current Android Bluetooth API's require devices to be paired before an RFCOMM connection can be established. Establish RFCOMM channels/sockets. 3 and later, the Android Bluetooth stack provides the ability to implement Bluetooth Low Energy (BLE). Motivation. accounts; android. Pairing is automatically performed Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. This API performs device discovery on your app's behalf, The current Bluetooth APIs require devices to be paired before an RFCOMM connection can be established. 使用 Gemini API 等构建 AI 赋能的 Android 应用。 (Add other message types here as needed. BluetoothAdapter代表了移动设备的本地的蓝牙适配器, 通过该蓝牙适配器可以对蓝牙进行基本操作, 例如 : 启动设备发现(startDiscovery), 获取已配对设备(getBoundedDevices), 通过mac蓝牙地址获取蓝牙设备(getRemoteDevice), 从 Android 平台包含蓝牙网络堆栈支持，凭借此项支持，设备能以无线方式与其他蓝牙设备交换数据。应用框架提供了通过 Android Bluetooth API 访问蓝牙功能的途径。这些 API 允许应用以无线方式连接到其他蓝牙设备，从而实现点到点和多点无线功能。使用 Bluetooth API，Android 应用可执行以下操作： 扫描其他 知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、 BLE（Bluetooth Low Energy） 还是 经典蓝牙（Classic Bluetooth） 主要通过以下几个方面： 1. bluetooth package provides a lot of interfaces classes to work with bluetooth such as: 基础知识. 总的来说，Android Bluetooth技术提供了全面的API来支持设备间通信，从开启蓝牙、查找设备、配对、连接到数据传输，每一步都有对应的API接口。 理解并熟练掌握这些流程，对于开发者来说是构建 蓝牙 应用的基础。 androidx. admin; android. Create an object of this calling by calling the static method getDefaultAdapter(). ; Implementation Status describes various browser support on platforms, hardware compatibility, polyfills. permission. 设备间数据交换。 所有蓝牙API都在android. 1. GitHub Gist: instantly share code, notes, and snippets. The BluetoothAdapter lets you perform fundamental Bluetooth tasks, such as initiate device discovery, query a list of bonded (paired) devices, instantiate a BluetoothDevice using a known MAC address, and create a BluetoothServerSocket to listen for connection requests from other devices, and start a scan Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. For BLE-enabled devices to transmit data between each other, they must first form a channel of communication. Represents the local device Bluetooth adapter. Android 平台包含蓝牙网络堆栈支持，凭借此项支持，设备能以无线方式与其他蓝牙设备交换数据。应用框架提供了通过 Android Bluetooth API 访问蓝牙功能的途径。这些 API 允许应用以无线方式连接到其他蓝牙设备，从而 Android蓝牙通信：深入探索底层API实现与应用技巧 随着移动设备的普及和物联网的兴起，蓝牙技术已经成为现代设备之间无线通信的重要手段之一。在Android平台上，蓝牙API为开发者提供了丰富的功能，使得实现设备间的蓝牙通信变得相对简单。本文将深入探讨Android蓝牙API的底层实现，并分享一些 Android provides Bluetooth API to perform several tasks such as: scan bluetooth devices; connect and transfer data from and to other devices; manage multiple connections etc. Configurer le Bluetooth; Rechercher des appareils Bluetooth; Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. Créez des applications Android optimisées par l'IA avec les API Gemini et plus encore. android; android. This is the initial release of AndroidX Bluetooth APIs that provides a Kotlin API surface covering Bluetooth LE scanning and advertising, and GATT client and server use cases. REQUEST_BLE_SCAN_ALWAYS_AVAILABLE"; /** * Broadcast Action: Indicates the Bluetooth scan mode of the local Adapter has changed. LeScanCallback: the callback LE scan results are delivered Parameters; context: Context: autoConnect: boolean: Whether to directly connect to the remote device (false) or to automatically connect as soon as the remote device becomes available (true). : callback: BluetoothGattCallback: GATT callback handler that will receive asynchronous callbacks. * MODULE_BLUETOOTH, api, api, query);}} /** * Invalidate a bluetooth cache. 与其他设备进行数据交互. This can be used by applications like status bar which would Parameters; serviceUuids: UUID: Array of services to look for: callback: BluetoothAdapter. Bluetooth API 支持使用蓝牙配置文件。答 蓝牙配置文件是蓝牙的无线接口规范 例如免提配置文件对于移动设备 连接到无线耳机时，这两部设备都必须支持 免触摸操作配置文件。 Bluetooth API 为以下蓝牙提供了实现 个人资料： 耳机。耳机配置文件支持蓝牙耳机 。 Virtually every modern mobile device has Bluetooth capabilities these days. This will always return the default 本文介绍了怎样使用蓝牙API完成建立蓝牙连接的必要四步：1. If your app is being used on a device that runs Android 8. The primary motivation behind the Bluetooth module is to provide a high quality experience to partners, users, and app developers. An interface for notifying BluetoothProfile IPC clients when they have been connected or disconnected to the service. action. Code To associate your repository with the android-bluetooth topic, visit your repo's landing page and select "manage topics. Bluetooth is an optional Mainline module starting with Android 13. The BluetoothAdapter is the entry-point for all Bluetooth interaction. 当 Android 设备与 BLE 设备互动时，发送信息的设备是服务器，而接收信息的设备则是客户端。Android 包括用于 BLE 的开发者 API，其中包含用于 GATT 服务器和 GATT 客户端之间互动的 API。如需充分利用 BLE API，请实现 Android 蓝牙 HCI 要求。 设备模式. ; Android BLE "android. This includes both Bluetooth Headset and Hands-Free (v1 Android provides Bluetooth API to perform these different operations. Android 13 (API level 33) includes built-in support for LEA. bluetooth:bluetooth-testing:1. Using the Bluetooth APIs, an app can perform the following: Scan for other Bluetooth devices. Cross-origin access is enabled by specifying the allowed Gradle 插件 API 设备技术 自适应界面 Wear OS Android XR Android 运行状况 Android for Cars Android TV 所有设备 ⤵️ 库 Android 平台 Jetpack 库 注意 ：如果这两台设备之前尚未配对，则 Android 框架会自动向 如图 1 所示。因此，当您的 应用尝试连接设备时，无需担心 设备是否 The application framework provides access to the Bluetooth functionality through the Android Bluetooth APIs. The Headset profile provides support for Bluetooth headsets to be used with mobile phones. backup; android. bluetooth包内，主要包括以下几个类和接口 Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. (Pairing is automatically performed when you initiate an encrypted connection with the Bluetooth APIs. adapter. 有关Classic Bluetooth的更多信息，请参阅Bluetooth指南。 有关Bluetooth Low Energy的更多信息，请参阅Bluetooth Low Energy （BLE）指南。 蓝牙API让应用程序： Scan for other Bluetooth devices (including BLE devices). 为了让支持 BLE 的设备能够在彼此之间传输数据，它们必须先形成通信通道。若要使用 Bluetooth LE API，您需要在清单文件中声明多项权限。 您的应用获得使用蓝牙的权限后，需要访问 BluetoothAdapter 并确定设备上是否支持蓝牙。 如果支持蓝牙，设备将扫描附近的 BLE 设备。 There are lots of other ways to filter devices, including by device name, service UUID (handy when you make your own GATT Server on a Bluetooth peripheral like a Raspberry Pi), or 16-bit service ID. Bluetooth Low Energy Audio (LEA) ensures that users can receive high fidelity audio without sacrificing battery life, and lets them seamlessly switch between different use cases. Query the local Bluetooth adapter for paired Bluetooth devices. eebs ldmn cxrqv vfhjb dysdg tmgezj oyir fyhz hazo kymuacl bttko pnsrs xaehld wzub anay