However, all of them are built on top of Core Bluetooth since that is the only API Apple has made available to developers. Note that there are several other libraries out there that provide different methods for carrying out BLE operations on iDevices. The two important Apple Developer resources related to Core Bluetooth that help understand some of the features and APIs are:Ĭore Bluetooth | Apple Developer Documentation Establishing and maintaining a connection.Handling low-level connection parameters.Setting up an iOS device as a BLE central or peripheral.If you have some experience in programming on mobile devices, particularly Apple devices, this will come across as very familiar i.e., a framework providing access to certain system features through the use of APIs.Ĭore Bluetooth provides support for several features, including: Generally, the latest version of macOS and XCode are recommended, but anything from 2015 or later should be fine.Ĭore Bluetooth is a framework provided by Apple on iOS/iPadOS/macOS for communicating with all Bluetooth devices (BLE or Classic). Enrollment in the Apple Developer Program (Free, unless you want to deploy to the App Store in which case it is USD99 per year).BLE Peripheral (we have used nRF52 Development Kit with Nordic HRM example).An Apple computer: Macbook, Mac Mini, iMac.Instead, we will use print statements to show different outputs visible in the debug area at the bottom of Xcode. IMPORTANT: we are not going to look at building the UI in this tutorial and will focus strictly on getting started with BLE development. Display information about peripherals scanned.Scan the area to find the different BLE peripherals.Once we set up the workflow, we will dive into the world of Core Bluetooth APIs and code our way to develop an app that is able to: We will also look at setting up a project in Xcode for BLE development, looking at the setup stages for first-time use, and taking into account permission handling for different iOS versions. We will start by looking at Core Bluetooth, a framework provided by Apple to make BLE development easy through the use of APIs to perform different actions. In this tutorial, we will look at developing iPhone/iPad apps that interface with a Bluetooth Low Energy peripheral to send/receive data. The course was developed in partnership with Anas Imtiaz, Ph.D. This tutorial is an excerpt from a course on BLE development for iOS in the Bluetooth Developer Academy.
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