Handler(Looper.getMainLooper()).postDelayed({
             if (AndroidManager.bluetoothMicrophone()) {
                 aigcSpeech.speaking("蓝牙麦克风连接")
             }
             Log.d(TAG, "Bluetooth connected")
         }, 3000)			
			
			

			
private val handler = object : Handler(Looper.myLooper()!!) {
    override fun handleMessage(msg: Message) {
        when (msg.what) {
            // 处理计时逻辑
            START -> {
                // 计算时间
                val hours = seconds / 3600
                val minutes = (seconds % 3600) / 60
                val secs = seconds % 60

                val time = if (hours == 0) {
                    String.format("%02d:%02d", minutes, secs)
                } else {
                    String.format("%02d:%02d:%02d", hours, minutes, secs)
                }

                // 更新UI
                lifecycleScope.launch {
                    phoneBinding?.textViewTimer?.text = time
                }
                seconds++

                // 继续发送下一次计时消息（形成循环）
                sendEmptyMessageDelayed(START, 1000)
            }
            // 处理停止指令
            STOP -> {
                // 移除所有未处理的消息，终止循环
                removeCallbacksAndMessages(null)
                seconds = 0 // 重置计时
            }
        }
    }
}

// 消息类型常量
private const val START = 1 // 计时 tick
private const val STOP = 2 // 停止指令
private var seconds = 0

// 启动计时器
private fun startTimer() {
    seconds = 0
    // 发送第一个计时消息，启动循环
    handler.sendEmptyMessage(START)
}

// 停止计时器（通过发送停止消息）
private fun stopTimer() {
    handler.sendEmptyMessage(STOP)
}