LetterTrekApp.py

import time

from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.button import Button
from kivy.uix.boxlayout import BoxLayout
from kivy.graphics import Color
from kivy.animation import Animation
from kivy.core.window import Window
from kivy.clock import Clock
from kivy.uix.screenmanager import ScreenManager, Screen, FadeTransition

from ui.TileWidget import TileWidget
from ui.BoardScreen import BoardScreen
from ui.HomeScreen import HomeScreen
from ui.ChallengeCompletedScreen import ChallengeCompletedScreen
from ui.StartButtonWidget import StartButtonWidget
from ui.ImageButton import ImageButton

from kivy.properties import StringProperty, ObjectProperty 

from core.GameEngine import GameEngine
from core.GameState import GameState

class LetterTrekApp(App):

    status = StringProperty()
    game_engine = ObjectProperty()
    game_state = ObjectProperty()

    def build(self):

        self.title = 'Letter Trek'
        
        self.game_engine = GameEngine()
        
        sm = ScreenManager(transition=FadeTransition())
        sm.add_widget(HomeScreen(name='home'))
        sm.add_widget(BoardScreen(name='board'))
        sm.add_widget(ChallengeCompletedScreen(name="challenge_completed"))

        return sm