1| 操作 | 旧版本 | 新版本 | d.ts文件 | 2| ---- | ------ | ------ | -------- | 3|新增|NA|类名：sourcefile;<br>方法or属性：export type DriverExtensionContext = _DriverExtensionContext;|@ohos.app.ability.DriverExtensionAbility.d.ts| 4|权限有变化|类名：deviceManager;<br>方法or属性：function queryDevices(busType?: number): Array\<Readonly\<Device>>;<br>旧版本信息：|类名：deviceManager;<br>方法or属性：function queryDevices(busType?: number): Array\<Readonly\<Device>>;<br>新版本信息：ohos.permission.ACCESS_EXTENSIONAL_DEVICE_DRIVER|@ohos.driver.deviceManager.d.ts| 5|权限有变化|类名：deviceManager;<br>方法or属性：function bindDevice(deviceId: number, onDisconnect: AsyncCallback\<number>,<br><br> callback: AsyncCallback\<{deviceId: number, remote: rpc.IRemoteObject}>): void;<br>旧版本信息：|类名：deviceManager;<br>方法or属性：function bindDevice(deviceId: number, onDisconnect: AsyncCallback\<number>,<br><br> callback: AsyncCallback\<{deviceId: number, remote: rpc.IRemoteObject}>): void;<br>新版本信息：ohos.permission.ACCESS_EXTENSIONAL_DEVICE_DRIVER|@ohos.driver.deviceManager.d.ts| 6|权限有变化|类名：deviceManager;<br>方法or属性：function bindDevice(deviceId: number, onDisconnect: AsyncCallback\<number>): Promise\<{deviceId: number,<br><br> remote: rpc.IRemoteObject}>;<br>旧版本信息：|类名：deviceManager;<br>方法or属性：function bindDevice(deviceId: number, onDisconnect: AsyncCallback\<number>): Promise\<{deviceId: number,<br><br> remote: rpc.IRemoteObject}>;<br>新版本信息：ohos.permission.ACCESS_EXTENSIONAL_DEVICE_DRIVER|@ohos.driver.deviceManager.d.ts| 7|权限有变化|类名：deviceManager;<br>方法or属性：function unbindDevice(deviceId: number, callback: AsyncCallback\<number>): void;<br>旧版本信息：|类名：deviceManager;<br>方法or属性：function unbindDevice(deviceId: number, callback: AsyncCallback\<number>): void;<br>新版本信息：ohos.permission.ACCESS_EXTENSIONAL_DEVICE_DRIVER|@ohos.driver.deviceManager.d.ts| 8|权限有变化|类名：deviceManager;<br>方法or属性：function unbindDevice(deviceId: number): Promise\<number>;<br>旧版本信息：|类名：deviceManager;<br>方法or属性：function unbindDevice(deviceId: number): Promise\<number>;<br>新版本信息：ohos.permission.ACCESS_EXTENSIONAL_DEVICE_DRIVER|@ohos.driver.deviceManager.d.ts| 9