DeleteAll()

Definition

• Type: Method
• Namespace: UnityEngine
• Assembly: UnityEngine.CoreModule

public static void DeleteAll()

Remarks

//This example creates a button on the screen that deletes any PlayerPrefs settings when you press it.//Note that you must set values or keys in the <see cref="UnityEngine.PlayerPrefs"></see> first to see the button.using UnityEngine;public class Example : MonoBehaviour{    void OnGUI()    {        //Delete all of the PlayerPrefs settings by pressing this button.        if (GUI.Button(new Rect(100, 200, 200, 60), "Delete"))        {            PlayerPrefs.DeleteAll();        }    }}

//First attach this script to a GameObject in the Scene to set up the PlayerPrefs.using UnityEngine;using UnityEngine.SceneManagement;public class SetUpPlayerPrefsExample : MonoBehaviour{    string m_PlayerName;    void Start()    {        m_PlayerName = "Enter Your Name";    }    void Update()    {        //Give the PlayerPrefs some values to send over to the next Scene        PlayerPrefs.SetFloat("Health", 50.0F);        PlayerPrefs.SetInt("Score", 20);        PlayerPrefs.SetString("Name", m_PlayerName);    }    void OnGUI()    {        //Create a Text Field where the user inputs their name        m_PlayerName = GUI.TextField(new Rect(10, 10, 200, 20), m_PlayerName, 25);        //Create a button which loads the appropriate level when you press it        if (GUI.Button(new Rect(10, 30, 200, 60), "Next Scene"))        {            SceneManager.LoadScene("Scene2");        }    }}

//This other script shows how the values of the PlayerPrefs reset using the PlayerPrefs.DeleteAll() function.//Open a different Scene (the one you named before- "Scene2") and attach this script to a new GameObject.//Use this script to fetch the settings and show them as text on the screen.//Use the button included in the script to delete all these settings and the text on the screen will also reset to reflect this.using UnityEngine;using UnityEngine.UI;public class PlayerPrefsDeleteAllExample : MonoBehaviour{    int m_Score;    float m_Health;    string m_PlayerName;    void Start()    {        //Fetch the PlayerPref settings        SetText();    }    void SetText()    {        //Fetch the score, health and name from the PlayerPrefs (set these Playerprefs in another script)        m_Health = PlayerPrefs.GetFloat("Health", 0);        m_Score = PlayerPrefs.GetInt("Score", 0);        m_PlayerName = PlayerPrefs.GetString("Name", "No Name");    }    void OnGUI()    {        //Fetch the PlayerPrefs settings and output them to the screen using Labels        GUI.Label(new Rect(50, 50, 200, 30), "Name : " + m_PlayerName);        GUI.Label(new Rect(50, 90, 200, 30), "Health : " + m_Health);        GUI.Label(new Rect(50, 130, 200, 30), "Score : " + m_Score);        //Delete all of the PlayerPrefs settings by pressing this Button        if (GUI.Button(new Rect(50, 0, 100, 30), "Delete"))        {            PlayerPrefs.DeleteAll();            //Fetch the updated settings to change the Text            SetText();        }    }}