Great talk. I'd say it's still an excellent tutorial on Android BLE for me even after 6 years....

Excellent, thank you!

Thanks Dave great tutorial. Has anyone had problems stopping a ble scan?

Really nice demo. Do you have any example app which demos the multiple gatt connection in lollipop?

How to make simultaneous BLE connections and get the data from all the devices to an Android App ? I used the sample Ble code which was given in the GitHub. Do i need to modify my code in the BluetoothScanActivity java class to add multiple ble connections ?

I was drinking from a firehose cramming to read/write one characteristic, sample after sample. Then when I was like 80% finished I found this. Boy would this hour had saved me some time. It's not that ble is hard, it just has so much infrastructure to set up. Then on top of that you have to deal with two different versions (older/newer). And the samples are almost all the older version which I just want to throw out.

Still good today

Hi Dave Smith. You talked about the number of maximum concurrent connections with BLE devices. But is there a way to find out how many connections I have left? For example if I have this situation: I have App 1 which wants to connect with 3 lamp devices at the same time, I have App 2 with which I want to connect concurrently to other BLE devices. Is there a way to determine in App 2 how many connections I can still use? The max concurrent connections number is per system, not per application right? Can you please help me?

Hello, I need to add cryptography into the packets of the BLE in my BLE APP. Is this possible? I want to prevent Man-in-the-middle attacks, the ideal scenario is if I use AES-128.

This is an excellent tutorial on BLE for Android. Where can we get the source code shown in the video ?

Hello, Can this application discover any type of ble peripherics? In fact, I tried it with a BLE peripheral simulator (BLE SIM) but the application didn't detect my virtual BLE peripheral .. what can be the problem ?

Can anyone provide a list of devices that support BLE as a peripheral role?

Can you please tell me the which heart rate monitor support the GATT profile ,The first type is a short 16-bit UUID. The predefined Heart rate service, e.g., has the UUID 0x180D and one of its enclosed characteristics, the Heart Rate Measurement characteristic, has the UUID 0x2A37. in now market

Can we connect multiple android device using BLE. Like I want or connect any bluetooth device which app finds

where can I find the source code?

How to sent multiple integer value with format type

I wonder if the source code is available somewhere as I'm interested in learning BLE apps development, as a broadcaster and receiver. Thank you in advance.

hi Dave. thanks for maturely messing up the Bluetooth api`s on Samsung Alpha

Can I have your Email Please ? and thank you very much for advance

damn, i was planning to build a device that could communicate with ble. Now i dont know if ill have the time to get around this melting pot of unlogical mess. If code can be ugly this is worst case senario. why the fuck cant you just send and receive data. do i need to spend days before i can do that? and how many bugs will i encounter. plz android developers, look at python. I mean it, just take a peek and see how it should be done. Not like this, this is not for general use at all.

I have been working on the several bluetooth implementations and apis on android. the instability of api and relability are issues. i am able to simulate the ble advertisement by using a remote computation. While we await android to fix up their act with ble - you can contact me if you like to to piggyback on my solution. ... twitter.com/vpathak