麒麟作業系統如何與其他裝置和作業系統進行互聯互通？

import com.huawei.harmonyos.bluetooth.btadapter.BluetoothAdapter;
import com.huawei.harmonyos.bluetooth.btle.api.BleCentralManager;
import com.huawei.harmonyos.bluetooth.btle.api.BleGatt;
import com.huawei.harmonyos.bluetooth.btle.api.BlePeripheralManager;
import com.huawei.harmonyos.bluetooth.btle.api.BlePeripheralManagerCallback;

public class BluetoothDemo {
    private BluetoothAdapter bluetoothAdapter;

    public void connectToBluetoothDevice(String deviceAddress) {
        bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        BleCentralManager centralManager = bluetoothAdapter.getBleCentralManager();
        BleGatt gatt = centralManager.connectGatt(deviceAddress);
        gatt.setGattCallback(new BlePeripheralManagerCallback() {
            @Override
            public void onConnectionStateChange(int newState, int status) {
                if (newState == BlePeripheralManagerCallback.STATE_CONNECTED) {
                    // 连接成功，可以进行数据传输等操作
                } else if (newState == BlePeripheralManagerCallback.STATE_DISCONNECTED) {
                    // 连接断开
                }
            }

            @Override
            public void onCharacteristicChanged(String uuid, byte[] value) {
                // 接收到特征值变化的回调方法，可以处理接收到的数据
            }
        });
    }
}

import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;

public class AndroidDemo {
    public void launchAndroidApp(Context context, String packageName, String className) {
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.setClassName(packageName, className);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);
    }

    public void getApplicationMetaData(Context context, String packageName) {
        try {
            ApplicationInfo appInfo = context.getPackageManager().getApplicationInfo(packageName, 
                PackageManager.GET_META_DATA);
            Bundle metaData = appInfo.metaData;
            // 获取其他操作系统应用程序的元数据
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
    }
}