要在Android Studio中进行蓝牙编程,可以遵循以下步骤:
BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (bluetoothAdapter == null) {
// 设备不支持蓝牙
return;
}
if (!bluetoothAdapter.isEnabled()) {
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
}
private BroadcastReceiver discoveryReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
// 发现新设备
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
// 处理设备...
}
}
};
// 注册广播接收器
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(discoveryReceiver, filter);
// 开始扫描
bluetoothAdapter.startDiscovery();
BluetoothDevice device = ...; // 获取要连接的设备
BluetoothSocket socket = device.createRfcommSocketToServiceRecord(MY_UUID);
socket.connect();
InputStream inputStream = socket.getInputStream();
OutputStream outputStream = socket.getOutputStream();
// 写数据
byte[] sendData = "Hello".getBytes();
outputStream.write(sendData);
// 读数据
byte[] buffer = new byte[1024];
int bytes;
while ((bytes = inputStream.read(buffer)) != -1) {
// 处理接收到的数据...
}
以上是使用Android Studio进行蓝牙编程的基本步骤和代码示例,但需要注意的是,蓝牙编程可能存在一些特殊情况和设备兼容性问题,具体的实现方式可能会根据具体需求和设备情况而有所不同。