Enabling Background BLE Scanning on iPhone

A previous post shows how to create a simple BLE (Bluetooth Low Energy) scanner app for iPhone. The app can detect BLE devices while the app is in foreground. The goal of this post is to create an app that scans even it goes to the background.   Prerequisites (parentheses indicate my environment) Xcode (10.0) ruining on Mac… Continue reading “Enabling Background BLE Scanning on iPhone”

Creating a Simple BLE Scanner on iPhone

Here are steps to create a simple BLE (Bluetooth Low Energy) scanner app for iPhone (for my own learning purpose). The goal is to enable below features. Scan for all advertising devices around. Print the device name, RSSI (signal strength), and advertising data [1] for each discovered device in the debug console output [2]. * It… Continue reading “Creating a Simple BLE Scanner on iPhone”