using UnityEngine;

public class CameraController : MonoBehaviour
{
    private AndroidJavaObject cameraActivity;

    void Start()
    {
        cameraActivity = new AndroidJavaObject("com.unity3d.player.UnityPlayer").GetStatic<AndroidJavaObject>("currentActivity");
    }

    public void OpenCamera()
    {
        cameraActivity.Call("OpenCamera");
    }
}

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public void OpenCamera() {
    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    startActivity(intent);
}

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using UnityEngine;

public class MessageReceiver : MonoBehaviour
{
    public void OnMessageReceived(string message)
    {
        Debug.Log("Message received from Android Studio: " + message);
    }
}

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UnityPlayer.UnitySendMessage("MessageReceiver", "OnMessageReceived", "Hello from Android Studio!");

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