NarKampen/Assets/Scripts/Localization/TextLocalization.cs

using UnityEngine;
using UnityEngine.UI;
using System;

[RequireComponent(typeof(Text))]
public class TextLocalization : MonoBehaviour {
    public string key;
    private string replaceText;

    void Start() {
        // Get the string value from localization manager from key 
        // and set the text component text value to the  returned string value 
        string text = LocalizationManager.Instance.GetText(key);
        text = text.Replace("\\n", Environment.NewLine);

        if (replaceText != null) {
            text = String.Format(text, replaceText);
        }

        GetComponent<Text>().text = text;
    }

    public void UpdateText() {
        string text = LocalizationManager.Instance.GetText(key);
        text = text.Replace("\\n", Environment.NewLine);

        if (replaceText != null) {
            text = String.Format(text, replaceText);
        }

        GetComponent<Text>().text = text;
    }

    public void SetReplaceText(string value) {
        replaceText = value;
    }
}