NDK, why it is missing SDK features?
Let’s say we are talking about android. Why NDK is missing SDK features? for example, why there is no support of bluetooth in NDK or why some useful libraries are missing? NDK code runs directly on...
View ArticleHow to get COM port using 32feet in c#?
How do I get COM port where my mobile device connected through a bluetooth stick? I can already get the name of the device eg. ‘Nokia C2-01’ with device.DeviceName using the 32feet library but how can...
View ArticlePair bluetooth just inside Application
I’m working on university project that consists in audio speaker with bluetooth connected to mobile application (iOS and Android), but the audio just works in Application, but not with mobile music for...
View ArticlePython Update in MySQL
I’ve been struggling to get this really simple query to actually work in Python. I am a complete python newb, and strings seem to be handled a lot differently than what I am accustomed to. The query I...
View ArticleHow to detect when a BLE device is not in range anymore?
I use a LeScanCallback to detect when a nearby BLE device is detected private BluetoothAdapter.LeScanCallback bleCallback = new BluetoothAdapter.LeScanCallback() { @Override public void...
View ArticleSend data via console using rfcomm0 Need advice
I’m hoping someone could help me with the following. I’ve created an app (Android phone) that uses Bluetooth. I dont have another phone to test with so I connect to my pc (linux) via bluetooth to...
View ArticleAudio and data on bluetooth simulaneously
I want to develop a robot which can communicate with my android phone as a remote control as well as receives audio from same android phone. I have following specific question 1- is it possible ? 2-...
View ArticleHow to setup Qt to use bluez bluetooth stack
I am developing on Windows 7 machine but final product will be linux and I am also using Ubuntu virtual machine. I need to search and connect to a bluetooth device and ran this example but from...
View Articlejava.lang.SecurityException: BLUETOOTH permission crash. (Samsung devices only)
I’m getting the following crash, but this only occurs on some Samsung devices (not all, we develop/test on Samsung devices) Crash log: java.lang.SecurityException: Need BLUETOOTH permission: Neither...
View ArticleHow to stream music through multiple phones over bluetooth
I’m trying to connect some Android phones together to stream music. The set up is like this, Phone A is Connected to Phone B. Phone B is also Connected to Phone C. A <--> B <--> C I want to...
View ArticleConvert bytes to String
We recive from bluetooth divce this output: byte[] bytes = intent.getStringExtra(BluetoothLeService.EXTRA_DATA).getBytes(); and the output is: enter image description here How i can transform bytes[]...
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