problem with UI not resizing in android

Scripting
1

this is the script for mainmenu

using UnityEngine;
using System.Collections;

public class Mainmeu : MonoBehaviour {

    public GUISkin skin;
    public Texture2D Logo;

    void Start () {
   
    }
   
    void Update () {
   
    }
   
    public void OnGUI(){
        if(skin)
        GUI.skin = skin;
       
        GUI.DrawTexture(new Rect(Screen.width/2 - Logo.width/2 , Screen.height/2 - 150,Logo.width,Logo.height),Logo);
       
        if(GUI.Button(new Rect(Screen.width/2 - 150,Screen.height/2 + 50,300,40),"Classic")){
            Application.LoadLevel("Classic");
        }
        if(GUI.Button(new Rect(Screen.width/2 - 150,Screen.height/2 + 100,300,40),"Modern")){
            Application.LoadLevel("Modern");
        }
        if(GUI.Button(new Rect(Screen.width/2 - 150,Screen.height/2 + 150,300,40),"Invasion")){
            Application.LoadLevel("Invasion");
        }
        if(GUI.Button(new Rect(Screen.width/2 - 150,Screen.height/2 + 200,300,40),"Star Fighter")){
            Application.LoadLevel("StarFighter");
        }
       
        GUI.skin.label.alignment = TextAnchor.MiddleCenter;
        GUI.Label(new Rect(0,Screen.height-90,Screen.width,50),"");
    }
}

this is the script for game UI

using UnityEngine;
using System.Collections;

public class GameUI : MonoBehaviour
{

    public GUISkin skin;
    public Texture2D Logo;
    public int Mode;
    private GameManager game;
    private PlayerController play;
    private WeaponController weapon;
           
    void Start ()
    {
        game = (GameManager)GameObject.FindObjectOfType (typeof(GameManager));
        play = (PlayerController)GameObject.FindObjectOfType (typeof(PlayerController));
        weapon = play.GetComponent<WeaponController> ();
        // define player
       
    }

    public void OnGUI ()
    {
       
        if (skin)
            GUI.skin = skin;
       
       
        switch (Mode) {
        case 0:
            if (Input.GetKeyDown (KeyCode.Escape)) {
                Mode = 2;   
            }
           
            if (play) {
               
                play.Active = true;
           
                GUI.skin.label.alignment = TextAnchor.UpperLeft;
                GUI.skin.label.fontSize = 30;
                GUI.Label (new Rect (20, 20, 200, 50), "Kills " + game.Killed.ToString ());
                GUI.Label (new Rect (20, 60, 200, 50), "Score " + game.Score.ToString ());
               
                GUI.skin.label.alignment = TextAnchor.UpperRight;
                GUI.Label (new Rect (Screen.width - 220, 20, 200, 50), "ARMOR " + play.GetComponent<DamageManager> ().HP);
                GUI.skin.label.fontSize = 16;
               
                // Draw Weapon system
                //if (weapon != null && weapon.WeaponLists.Length > 0 && weapon.WeaponLists.Length < weapon.CurrentWeapon && weapon.WeaponLists [weapon.CurrentWeapon] != null) {
                    if (weapon.WeaponLists [weapon.CurrentWeapon].Icon)
                        GUI.DrawTexture (new Rect (Screen.width - 100, Screen.height - 100, 80, 80), weapon.WeaponLists [weapon.CurrentWeapon].Icon);
               
                    GUI.skin.label.alignment = TextAnchor.UpperRight;
                    if (weapon.WeaponLists [weapon.CurrentWeapon].Ammo <= 0 && weapon.WeaponLists [weapon.CurrentWeapon].ReloadingProcess > 0) {
                        if (!weapon.WeaponLists [weapon.CurrentWeapon].InfinityAmmo)
                            GUI.Label (new Rect (Screen.width - 230, Screen.height - 120, 200, 30), "Reloading " + Mathf.Floor ((1 - weapon.WeaponLists [weapon.CurrentWeapon].ReloadingProcess) * 100) + "%");
                    } else {
                        if (!weapon.WeaponLists [weapon.CurrentWeapon].InfinityAmmo)
                            GUI.Label (new Rect (Screen.width - 230, Screen.height - 120, 200, 30), weapon.WeaponLists [weapon.CurrentWeapon].Ammo.ToString ());
                    }
                //}else{
                    //weapon = play.GetComponent<WeaponController> ();
                //}
               
                GUI.skin.label.alignment = TextAnchor.UpperLeft;
                GUI.Label (new Rect (20, Screen.height - 50, 250, 30), "R Mouse : Switch Guns C : Change Camera");
           
            }else{
                play = (PlayerController)GameObject.FindObjectOfType (typeof(PlayerController));
                weapon = play.GetComponent<WeaponController> ();
            }
            break;
        case 1:
            if (play)
                play.Active = false;
           
            MouseLock.MouseLocked = false;
           
            GUI.skin.label.alignment = TextAnchor.MiddleCenter;
            GUI.Label (new Rect (0, Screen.height / 2 + 10, Screen.width, 30), "Game Over");
       
            GUI.DrawTexture (new Rect (Screen.width / 2 - Logo.width / 2, Screen.height / 2 - 150, Logo.width, Logo.height), Logo);
       
            if (GUI.Button (new Rect (Screen.width / 2 - 150, Screen.height / 2 + 50, 300, 40), "Restart")) {
                Application.LoadLevel (Application.loadedLevelName);
           
            }
            if (GUI.Button (new Rect (Screen.width / 2 - 150, Screen.height / 2 + 100, 300, 40), "Main menu")) {
                Application.LoadLevel ("Mainmenu");
            }
            break;
       
        case 2:
            if (play)
                play.Active = false;
           
            MouseLock.MouseLocked = false;
            Time.timeScale = 0;
            GUI.skin.label.alignment = TextAnchor.MiddleCenter;
            GUI.Label (new Rect (0, Screen.height / 2 + 10, Screen.width, 30), "Pause");
       
            GUI.DrawTexture (new Rect (Screen.width / 2 - Logo.width / 2, Screen.height / 2 - 150, Logo.width, Logo.height), Logo);
       
            if (GUI.Button (new Rect (Screen.width / 2 - 150, Screen.height / 2 + 50, 300, 80), "Resume")) {
                Mode = 0;
                Time.timeScale = 1;
            }
            if (GUI.Button (new Rect (Screen.width / 2 - 150, Screen.height / 2 + 100, 300, 40), "Main menu")) {
                Time.timeScale = 1;
                Mode = 0;
                Application.LoadLevel ("Mainmenu");
            }
            break;
           
        }
       
    }
}

I have two scripts here, one for my main menu and one for my game UI
the problem is when i attach these scripts they wont show up nicely in android output (they are really small) i dont have this problem while playing the game in unity.
i can not use the canvas scale because i am not using the unity’s UI system. these scripts are from the air strike starter pack.
can anyone help please?

2

Is there a specific reason that you use the old OnGUI / (IMGUI) and not the (new since 4.6) uGUI?
Its better performing, better to handle and can be easy scaled to all resolutions.

For a quick start into the uGUI check out the official video tutorials:

3

Thanks for your reply
I am using this package called “air strike starter pack” and these scripts are included in that package.
I am making this game for a school project so i started modifying this package’s demo scenes and I dont have enough time to get into details on making the game’s UI with the unity’s new UI system.
i am just looking for a quick solution.

4

if that’s a paid asset you really shouldn’t be redistributing the source code openly… something to be aware of.

5

To tell you the truth there is no easy solution to the problem.
The rect 's that define how big your ui elements are, are defining the size at a fixed pixel size so it does not scale at all for your screen size on your mobile device.
You would have to redefine every size in the ui to be a percentage of the screen width / height.