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Python for android bluetooth

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  15. About
  16. bleak 0.20.2
  17. Installation
  18. Features
  19. Usage
  20. Android Bluetooth Low Energy¶
  21. Quick start development environment¶
  22. Build¶
  23. Build with a local version¶
  24. Contributors¶
  25. API¶
  26. Client¶
  27. BluetoothDispatcher¶
  28. Decorators¶
  29. Advertisement¶
  30. Services¶
  31. Constants¶
  32. Permissions¶
  33. Scan settings¶
  34. Scan filters¶
  35. Advertising¶
  36. Advertiser¶
  37. Payload¶
  38. Constants¶
  39. Usage Examples¶
  40. Alert¶
  41. Change MTU¶
  42. Scan settings¶
  43. Scan filters¶
  44. Adapter state¶
  45. Advertising¶
  46. Advertise with data and additional (scannable) data¶
  47. Set and advertise device name¶
  48. Battery service data¶
  49. Use iBeacon advertising format¶
  50. Android Services¶
  51. BLE devices scanning service¶
  52. Advertising service¶
  53. tito / bluetooth.py

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Simple Bluetooth socket client for Android

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simondlevy/AndroidBluetoothClient

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README.md

  • DeviceListActivity: the main (first) activity of your app. It lists the Bluetooth devices with which your Android device is paired and connects to the device you select.
  • CommunicationsTask: an asynchronous task (i.e., thread) for managing communications with the device to which you’ve connected.
  • CommunicationsActivity: an abstract class that supports reading from and writing to the server via its mBluetoothConnection object.

An example subclass, MyCommunicationsActivity, provides a seek-bar (slider) and text widget to send and receive values from your server.

The easiest way to try out this app is with the Python Bluetooth server that we developed to work with it. This server uses the same simple protocol (period-delimited messages) as the code in the MyCommunicationsActivity class.

About

Simple Bluetooth socket client for Android

Источник

bleak 0.20.2

Bleak Logo

Bleak is an acronym for Bluetooth Low Energy platform Agnostic Klient.

Bleak is a GATT client software, capable of connecting to BLE devices acting as GATT servers. It is designed to provide a asynchronous, cross-platform Python API to connect and communicate with e.g. sensors.

Installation

Features

  • Supports Windows 10, version 16299 (Fall Creators Update) or greater
  • Supports Linux distributions with BlueZ >= 5.43
  • OS X/macOS support via Core Bluetooth API, from at least OS X version 10.11
  • Android backend compatible with python-for-android

Bleak supports reading, writing and getting notifications from GATT servers, as well as a function for discovering BLE devices.

Usage

To discover Bluetooth devices that can be connected to:

Connect to a Bluetooth device and read its model number:
 DO NOT NAME YOUR SCRIPT bleak.py ! It will cause a circular import error.

See examples folder for more code, for instance example code for connecting to a TI SensorTag CC2650

Источник

Android Bluetooth Low Energy¶

Python interface to Android Bluetooth Low Energy API.

Code repository:
https://github.com/b3b/able
Documentation: https://herethere.me/able
Changelog: https://github.com/b3b/able/blob/master/CHANGELOG.rst

Quick start development environment¶

able is included in PythonHere app, together with the Jupyter Notebook it could be used as a development environment.

Build¶

The following instructions are for building app with buildozer tool.

able_recipe recipe should be added to buildozer.spec requirements:

requirements = python3,kivy,android,able_recipe

Bluetooth permissions should be requested in buildozer.spec:

android.permissions = BLUETOOTH, BLUETOOTH_ADMIN, BLUETOOTH_SCAN, BLUETOOTH_CONNECT, BLUETOOTH_ADVERTISE, ACCESS_FINE_LOCATION

App configuration example: buildozer.spec

Build with a local version¶

To build app with a local (modified) version of able,

path to able recipes directory should be set in buildozer.spec:

p4a.local_recipes = /path/to/cloned/repo/recipes

Contributors¶

API¶

Client¶

BluetoothDispatcher¶

Decorators¶

Services¶

Constants¶

Permissions¶

Scan settings¶

>>> settings = ScanSettingsBuilder() \ . .setMatchMode(ScanSettings.MATCH_MODE_AGGRESSIVE) \ . .setCallbackType( . ScanSettings.CALLBACK_TYPE_FIRST_MATCH | . ScanSettings.CALLBACK_TYPE_MATCH_LOST . )

Scan filters¶

Advertising¶

Advertiser¶

Payload¶

Constants¶

Usage Examples¶

Alert¶

Change MTU¶

Scan settings¶

from able import BluetoothDispatcher from able.scan_settings import ScanSettingsBuilder, ScanSettings # Use faster detection (more power usage) mode settings = ScanSettingsBuilder().setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY) BluetoothDispatcher().start_scan(settings=settings)

Scan filters¶

from able import BluetoothDispatcher from able.filters import ( DeviceAddressFilter, DeviceNameFilter, ManufacturerDataFilter, ServiceDataFilter, ServiceUUIDFilter ) ble = BluetoothDispatcher() # Start scanning with the condition that device has one of names: "Device1" or "Device2" ble.start_scan(filters=[DeviceNameFilter("Device1"), DeviceNameFilter("Device2")]) ble.stop_scan() # Start scanning with the condition that # device advertises "180f" service and one of names: "Device1" or "Device2" ble.start_scan(filters=[ ServiceUUIDFilter('0000180f-0000-1000-8000-00805f9b34fb') & DeviceNameFilter("Device1"), ServiceUUIDFilter('0000180f-0000-1000-8000-00805f9b34fb') & DeviceNameFilter("Device2") ])

Adapter state¶

Advertising¶

from able import BluetoothDispatcher from able.advertising import ( Advertiser, AdvertiseData, ManufacturerData, Interval, ServiceUUID, ServiceData, TXPower, ) advertiser = Advertiser( ble=BluetoothDispatcher(), data=AdvertiseData(ServiceUUID("aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa")), scan_data=AdvertiseData(ManufacturerData(id=0xAABB, data=b"some data")), interval=Interval.MEDIUM, tx_power=TXPower.MEDIUM, ) advertiser.start()

Set and advertise device name¶

from able import BluetoothDispatcher from able.advertising import Advertiser, AdvertiseData, DeviceName ble = BluetoothDispatcher() ble.name = "New test device name" # There must be a wait and check, it takes time for new name to take effect print(f"New device name is set: ble.name>") Advertiser( ble=ble, data=AdvertiseData(DeviceName()) )

Battery service data¶

Use iBeacon advertising format¶

import uuid from able import BluetoothDispatcher from able.advertising import Advertiser, AdvertiseData, ManufacturerData data = AdvertiseData( ManufacturerData( 0x4C, # Apple Manufacturer ID bytes([ 0x2, # SubType: Custom Manufacturer Data 0x15 # Subtype lenth ]) + uuid.uuid4().bytes + # UUID of beacon bytes([ 0, 15, # Major value 0, 1, # Minor value 10 # RSSI, dBm at 1m ])) ) Advertiser(BluetoothDispatcher(), data).start()

Android Services¶

BLE devices scanning service¶

Advertising service¶

Источник

tito / bluetooth.py

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»’
Bluetooth/Pyjnius example
=========================
This was used to send some bytes to an arduino via bluetooth.
The app must have BLUETOOTH and BLUETOOTH_ADMIN permissions (well, i didn’t
tested without BLUETOOTH_ADMIN, maybe it works.)
Connect your device to your phone, via the bluetooth menu. After the
pairing is done, you’ll be able to use it in the app.
»’
from jnius import autoclass
BluetoothAdapter = autoclass ( ‘android.bluetooth.BluetoothAdapter’ )
BluetoothDevice = autoclass ( ‘android.bluetooth.BluetoothDevice’ )
BluetoothSocket = autoclass ( ‘android.bluetooth.BluetoothSocket’ )
UUID = autoclass ( ‘java.util.UUID’ )
def get_socket_stream ( name ):
paired_devices = BluetoothAdapter . getDefaultAdapter (). getBondedDevices (). toArray ()
socket = None
for device in paired_devices :
if device . getName () == name :
socket = device . createRfcommSocketToServiceRecord (
UUID . fromString ( «00001101-0000-1000-8000-00805F9B34FB» ))
recv_stream = socket . getInputStream ()
send_stream = socket . getOutputStream ()
break
socket . connect ()
return recv_stream , send_stream
if __name__ == ‘__main__’ :
recv_stream , send_stream = get_socket_stream ( ‘linvor’ )
send_stream . write ( ‘hello \n ‘ )
send_stream . flush ()

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# Same as before, with a kivy-based UI
»’
Bluetooth/Pyjnius example
=========================
This was used to send some bytes to an arduino via bluetooth.
The app must have BLUETOOTH and BLUETOOTH_ADMIN permissions (well, i didn’t
tested without BLUETOOTH_ADMIN, maybe it works.)
Connect your device to your phone, via the bluetooth menu. After the
pairing is done, you’ll be able to use it in the app.
»’
from jnius import autoclass
BluetoothAdapter = autoclass ( ‘android.bluetooth.BluetoothAdapter’ )
BluetoothDevice = autoclass ( ‘android.bluetooth.BluetoothDevice’ )
BluetoothSocket = autoclass ( ‘android.bluetooth.BluetoothSocket’ )
UUID = autoclass ( ‘java.util.UUID’ )
def get_socket_stream ( name ):
paired_devices = BluetoothAdapter . getDefaultAdapter (). getBondedDevices (). toArray ()
socket = None
for device in paired_devices :
if device . getName () == name :
socket = device . createRfcommSocketToServiceRecord (
UUID . fromString ( «00001101-0000-1000-8000-00805F9B34FB» ))
recv_stream = socket . getInputStream ()
send_stream = socket . getOutputStream ()
break
socket . connect ()
return recv_stream , send_stream
if __name__ == ‘__main__’ :
kv = »’
BoxLayout:
Button:
text: ‘0’
on_release: app.reset([b1, b2, b3, b4, b5])
ToggleButton:
id: b1
text: ‘1’
on_release: app.send(self.text)
ToggleButton:
id: b2
text: ‘2’
on_release: app.send(self.text)
ToggleButton:
id: b3
text: ‘3’
on_release: app.send(self.text)
ToggleButton:
id: b4
text: ‘4’
on_release: app.send(self.text)
ToggleButton:
id: b5
text: ‘5’
on_release: app.send(self.text)
»’
from kivy . lang import Builder
from kivy . app import App
class Bluetooth ( App ):
def build ( self ):
self . recv_stream , self . send_stream = get_socket_stream ( ‘linvor’ )
return Builder . load_string ( kv )
def send ( self , cmd ):
self . send_stream . write ( ‘<> \n ‘ . format ( cmd ))
self . send_stream . flush ()
def reset ( self , btns ):
for btn in btns :
btn . state = ‘normal’
self . send ( ‘0 \n ‘ )
Bluetooth (). run ()

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