Question by King_JMK · Jan 21, 2015 at 08:57 AM · playerprefs save data main thread

Load And Saving player prefs

I Made T$$anonymous$$s Code That it Saves The (int) of the Scene by typing it in .... then when i Click the button it Loads The Level With The Right Number t$$anonymous$$s error happens to me (ArgumentException: GetInt Can Only Be Called From The Main Thread) what should i do ??? and i tried adding it in the project but it didnt work !?

 using UnityEngine;
 using System.Collections;
 
 public class LoadMenu : MonoBehaviour {
     public int Level;
 
 public void start (){
                 PlayerPrefs.SetInt ("Level", Level);
                 PlayerPrefs.Save ();
         }
 public void LoadLevel(){
         if (PlayerPrefs.GetInt ("Level") == 0) {
             Application.LoadLevel (0);
         }
         if (PlayerPrefs.GetInt("Level") == 1) {
             Application.LoadLevel(1);
         }
         if (PlayerPrefs.GetInt("Level") == 2) {
             Application.LoadLevel(2);
         }
         if (PlayerPrefs.GetInt("Level") == 3) {
             Application.LoadLevel(3);
         }
         if (PlayerPrefs.GetInt("Level") == 4) {
             Application.LoadLevel(4);
         }
         if (PlayerPrefs.GetInt("Level") == 5) {
             Application.LoadLevel(5);
         }
 
     }
 }

0 Show 1

gjf · Jan 21, 2015 at 12:16 PM 0

you're more likely to get help (remember most people are volunteers using their own free time) if your question is clear and provides relevant information.

yours isn't particularly clear. which game object is this script attached to?

did you confirm that "Level" exists in the PlayerPrefs?

your start function isn't called automatically by unity - do you call it from somewhere? maybe you meant to call it Start?

since it's maybe not called, the PlayerPrefs won't be saved by your script. LoadLevel function could be rewritten like this:

 public void LoadLevel()
 {
     var level = PlayerPrefs.GetInt("Level", 0);  // Use default of 0 if "Level" not found
 
     if ((level >= 0) && (level < 6))
     {
         Application.LoadLevel(level);
     }
     else
     {
         Debug.Log("ERROR: Invalid level number");
     }
 }

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Load And Saving player prefs

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