problem description I have two ViewController, one ViewA to search and display the Bluetooth list, and one ViewB to control the operation of Bluetooth devices. Now I inherit CBCentralManagerDelegate , CBPeripheralDelegate on ViewA and search for th...
before I was testing Wechat jsapi connection to Bluetooth to send and receive data, and then found that the scanning device could not scan. later realized that the device needs to support airsync and needs to be bound in the background. binding is ve...
there is a code like this package com.pmi.reader.data.battery_info; import android.annotation.TargetApi; import android.bluetooth.BluetoothGattCharacteristic; import android.util.Log; import com.pmi.reader.data.CharacteristicData; import com.pmi.reade...
android Bluetooth development needs to connect the target device, and the encapsulation data format provided by the demand side is hexadecimal. Here is an example to find the java encapsulation method! ...
I want to send a broadcast notification to the previously bound mobile phone directly when the Bluetooth device is powered on, reminding App to connect directly to the Bluetooth device instead of App to search. I don t know how to achieve this. I don t...
the way of Bluetooth mesh ad hoc network, if the premise is that we do not know the deployment of each node in the network, can we obtain the distance of each node or the distance of two neighboring nodes by scanning the central node and broadcasting com...
the callback using BLE bluetoothgattcallback is slow, mainly because the callback is slow for about 15 seconds when the device is disconnected 1. Use connectGatt (context, false, gattCallback) to connect Bluetooth 2. When the Bluetooth device is powe...