Core Bluetooth (iOS)
Developing BLE features using Apple’s Core Bluetooth framework.
Mobile AppsCross-Platform Flutter BLE Architecture: The Case for a Disciplined Hybrid
The real decision in a Flutter BLE app is where you stop trusting the abstraction, and most teams make it by accident, after a platform behavior nobody could see takes a connection down. This piece sets that boundary on purpose,…
Bluetooth Low Energy (BLE)How to Subscribe to Notifications and Indications in iOS Core Bluetooth
Learn how to subscribe to notifications and indications in iOS Core Bluetooth using setNotifyValue, handle notification state changes, and receive characteristic updates from BLE peripherals without polling.
- Bluetooth Low Energy (BLE)
How to Discover Services and Characteristics on iOS Core Bluetooth
A successful BLE connection is only the beginning. Learn how to discover services and characteristics on iOS Core Bluetooth, navigate a peripheral's GATT table, and prepare for reading, writing, and subscribing to characteristic values.
- Bluetooth Low Energy (BLE)
How to Use the centralManager didDiscover Delegate in iOS Core Bluetooth
The centralManager didDiscover delegate is where BLE scanning results become actionable. Learn what Core Bluetooth provides through CBPeripheral, advertisementData, and RSSI, and how to use that information to identify and manage devices before connecting.
- Bluetooth Low Energy (BLE)
Scanning for Peripherals on iOS Core Bluetooth
iOS BLE scanning doesn’t always work the way you expect. This article breaks down how Core Bluetooth actually discovers devices, why peripherals sometimes don’t show up, and how to build reliable scanning flows that work in the real world.
- Bluetooth Low Energy (BLE)
Why Your iOS BLE Scan Returns No Results (And How to Fix It)
Your iOS BLE scan returns no results and you can’t figure out why. This article walks through the most common causes of empty Core Bluetooth scans, from permission issues and state handling to iOS-specific scanning behaviors, and shows you how…
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