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我正在製造藍牙低功耗心率監護儀。 我已經yoused此代碼,但我有在if (btAdapter != null && !btAdapter.isEnabled())
錯誤的eror是不明類:btAdapterandroid藍牙低功耗心率監護儀
BluetoothManager btManager = (BluetoothManager)getSystemService(Context.BLUETOOTH_SERVICE);
BluetoothAdapter btAdapter = btManager.getAdapter();
if (btAdapter != null && !btAdapter.isEnabled()) {
Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableIntent,REQUEST_ENABLE_BT);
}