preface

Recently, the project team involved wechat applets with bluetooth device connection requirements, now the whole connection development process is recorded as follows:

  1. Wx. OpenBluetoothAdapter (OBJECT)

  2. Obtain bluetooth adapter status, determine whether bluetooth is available wx. OpenBluetoothAdapter (OBJECT)

  3. Began to search the bluetooth wx. StartBluetoothDevicesDiscovery (OBJECT)

  4. Get all discovered Bluetooth devices wx.getBluetoothDevices(OBJECT)

  5. Listen to find new equipment event wx. OnBluetoothDeviceFound (the CALLBACK)

  6. Enable obtaining a Connected Bluetooth device. After obtaining the device successfully, connect the low-power Bluetooth device according to the characteristic value. Wx.createbleconnection (OBJECT)

  7. Get all services wx.getBleDeviceservices (OBJECT)

  8. Get a bluetooth device in a service all characteristic (eigenvalues) wx. GetBLEDeviceCharacteristics (OBJECT)

  9. Enable low-power bluetooth device feature values change notify wx. NotifyBLECharacteristicValueChange (OBJECT)

  10. Bluetooth to wx. WriteBLECharacteristicValue (OBJECT)

Development flow chart

reference

Wechat applets development document