kusakawazeusu

<uses-permission android:name="android.permission.BLUETOOTH"/>
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>

kusakawazeusu

<uses-feature android:name="android.hardware.bluetooth_le" android:required="true"/>

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const subscription = this.bleManager.onStateChange((state) => {
  if (state === State.PowerOn) {
    // 已確認藍牙正常開啟
    subscription.remove()
  }
}, true)

kusakawazeusu

bleManager.startDeviceScan(null, { scanMode: ScanMode.LowLatency }, (error, device) => {
  if (error) {
    console.log(error)
    return
  }

  if (device.name !== "DeviceName") return

  bleManager.stopDeviceScan()
  // 在這裡對 device 進行操作...

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try {
  await device.connect()
} catch (error) {
  console.log(error.reason)
}

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try {
  await bleManager.connectToDevice(UUID, { timeout: 2000 })
} catch (error) {
  console.log(error.reason)
}

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await device.writeCharacteristicWithResponse(
  Service_UUID,
  Characteristic_UUID,
  Data
);

kusakawazeusu

const byteArray = ("PASS").split("").map(char => char.charCodeAt(0))
await device.writeCharacteristicWithResponse(
  Service_UUID,
  Characteristic_UUID,
  Buffer.from(byteArray).toString("base64")
);

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const { value } = await bleManager.readCharacteristicForDevice(
  Device_UUID,
  Service_UUID,
  Characteristic_UUID
);
console.log(atob(value))

kusakawazeusu

const subscription = device.monitorCharacteristicForService(
  Service_UUID,
  Characteristic_UUID,
  (error, characteristic) => {
    if (error) {
      console.log(error)
      return;
    }
    console.log(characteristic.value)
  }