Bluetooth connectivity examples for iPhone

Question

I tried to find examples for communicating with Bluetooth devices on iOS and was close. As far as I understand, SPP is not yet supported. At the simplest level, I would like to send a simple 1 or 0 signal to the Bluetooth device that I create. (This is a Bluetooth switch that will turn something on and off). Is there a way to skillfully do this through HID or HFP profiles?

Answer 1

The short answer to your question is that you cannot connect to an arbitrary Bluetooth device that may happen, you can only connect to a Bluetooth device that appears through Apple's licensing program (for example, the “Made for iPod / iPhone” label). From the Apple documentation:

Q: [The structure of the external accessory allows] my application to communicate with Bluetooth devices. So why does my app not see the Bluetooth accessory next to my iPhone?
A: The structure of the external accessory is designed so that iOS applications can only communicate with hardware accessories developed as part of the Apple MFi licensing program.

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Answer 2

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