Challenges of Developing BLE Application on Android

Challenges of Developing Bluetooth Low Energy Application on Android

Gábor Guta

What is SBrick?

BLE controled analog input / output module for LEGO

Low Energy

Simple Android API

Widely Adapted

GATT (Generic Attribute Profile)

Profile

Service A

Service B

Characteristic 1

Characteristic 2

Characteristic 3

Characteristic 4

From Prototyping to Production

Stability

Reducing error localization time

Validation of assumptions

Remote troubleshooting

Hard to solve issues

Bugs in Android BLE stack implementations

different BLE HW (4 major manufacturers)

Hard to test stability

At the time of detecting a connection issue,it is too late to fix

Testing / Debugging

BLE traffic sniffing

Logging Building Stubs

Logging

Android Device

Android OS

SBrick App

BLE Stack

BLE Abstraction

Driver

Hybrid App

SBrick Firmware

LOG

LOG

Unit Testing

PC Test Runner

EmuDriver

SBrick Driver

JUnit Test

Firmware Testing

Raspberry Pi Test App

BLE Lib

Test

SBrick Firmware

ADC

Test hardware

Driver Integration Test

Android Device

Android OS

SBrick App

BLE Stack

BLE Abstraction

Driver

Teszt

SBrick Firmware

BLE TrafficSniffer

Application Integration Test

Android Device

Android OS

SBrick App

BLE Stack

BLE Abstraction

Driver

Hibrid App

SBrick Firmware

ADC

Test

Q&AGábor Guta

the.gaboo@gmail.com