Snaparazzi/Assets/Scripts/PropositionHandler.cs

using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;

public class PropositionDownload : MonoBehaviour
{
    public GameManager gameManager;
    public StorageManager storageManager;
    public Image[] btns;

    // Start is called before the first frame update
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {

    }

    void OnEnable()
    {
        List<Proposition> props = gameManager.myRoom.questions[gameManager.myRoom.currentQuestionId].propositions.Values.ToList();

        for (int i = 0; i < 2; i++)
        {
            StartCoroutine(storageManager.DownloadImage(props[i].photoUrl, (Texture texture) =>
            {
                Sprite sprite = Sprite.Create(texture as Texture2D, new Rect(0, 0, texture.width, texture.height), Vector2.zero);
                btns[i].sprite = sprite;
            }));
        }
    }

    void OnDisable()
    {

    }
}