void saveTaskToJson()
    {
        string fileContent = "";

        for (int i = 0; i < tasksList.Count; i++)
        {
            NewTaskList temp = new NewTaskList(tasksList[i].objTitle, tasksList[i].objText, tasksList[i].objColor, tasksList[i].objDay,
                                               tasksList[i].objMonth, tasksList[i].objYear, tasksList[i].objHour, tasksList[i].objMinute, tasksList[i].objIndex);
            fileContent += JsonUtility.ToJson(temp) + "\n";
        }

        System.IO.File.WriteAllText(filePath, fileContent);
    }
    void readTaskFromJson()
    {
        string fileJson = "";

        fileJson = System.IO.File.ReadAllText(filePath);

        string[] splitTextContent = fileJson.Split('\n');

        foreach (string textContent in splitTextContent)
        {
            if (textContent.Trim() != "")
            {
                NewTaskList temp = JsonUtility.FromJson <NewTaskList>(textContent.Trim());
                createButtonPressed(temp.objTitle, temp.objText, temp.objColor, temp.objDay, temp.objMonth, temp.objYear, temp.objHour, temp.objMinute, temp.objIndex);
            }
        }
    }