---
name: "offBluetoothAdapterStateChange"
mode: "kit"
versionRequirements:
  - { name: "BaseKit", version: "2.0.1" }
  - { name: "@ray-js/ray", version: "0.3.23" }
platform:
  - "iOS"
  - "Android"
async: true
title: "offBluetoothAdapterStateChange - 取消监听蓝牙适配器状态变化事件"
---

## offBluetoothAdapterStateChange

> [VERSION] BaseKit >= 2.0.1 | @ray-js/ray >= 0.3.23

> [PLATFORM] iOS, Android

> ⚡ **支持 Promise 调用** — 不传 success / fail / complete 回调时，该方法返回 Promise。

### 描述

取消监听蓝牙适配器状态变化事件

### 参数

`(listener: Function)`

| 参数 | 类型 | 必填 | 默认值 | 描述 |
| --- | --- | --- | --- | --- |
| `listener` | `(params: Object) => void` | 是 | - |  |

##### offBluetoothAdapterStateChange.listener(params) 的属性

| 属性 | 类型 | 必填 | 默认值 | 最低版本 | 描述 |
| --- | --- | --- | --- | --- | --- |
| `available` | `boolean` | 是 | - | `2.0.1` | 蓝牙适配器是否可用 |


### 示例代码

#### Demo

```tsx
import { onBluetoothAdapterStateChange, offBluetoothAdapterStateChange } from '@ray-js/ray'

// 取消监听蓝牙适配器状态变化：用具名回调注册，开关蓝牙触发一次后，再用同一回调精确取消该监听
const handler = e => console.log("蓝牙适配器可用：", e.available);
onBluetoothAdapterStateChange(handler);
await new Promise(resolve => setTimeout(resolve, 8000));
offBluetoothAdapterStateChange(handler);
```