取得系統藍芽功能

• BluetoothAdapter BA;

BA = BluetoothAdapter.getDefaultAdapter(); if (BA == null) { msg.setText("No Bluetooth support !"); } else if (!BA.isEnabled()) {//要求開啓藍芽 Intent enableBT = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableBT, 1); } else msg.setText("Bluetooth OK");