main.py

#--[Start platform specific code]
"""This code to detect it's Android or not 
if it's not android than app window size change in android phone size"""
from kivy.utils import platform

if platform != 'android':
    from kivy.config import Config
    Config.set("graphics","width",360)
    Config.set("graphics","height",740)
#--[End platform specific code]

#--[Start Soft_Keyboard code ]
"""code for android keyboard. when in android keyboard show textbox 
automatic go to top of keyboard so user can see when he type msg"""
from kivy.core.window import Window

Window.keyboard_anim_args = {"d":.2,"t":"linear"}
Window.softinput_mode = "below_target"
#--[End Soft_Keyboard code ]

from libs.uix.baseclass.chat_room import Chat_Room_Screen
from libs.uix.baseclass.forgot import Forgot_Screen
from libs.uix.baseclass.home import Home_Screen
from libs.uix.baseclass.login import Login_Screen
from libs.uix.baseclass.profile import Profile_Screen
from libs.uix.baseclass.root import Root
from libs.uix.baseclass.signup import Signup_Screen
from libs.uix.baseclass.verification import Verification_Screen
from main_imports import ImageLeftWidget, MDApp, TwoLineAvatarListItem


class HamsterApp(MDApp):
    """
    Hamster App start from here this class is root of app.
    in kivy (.kv) file when use app.method_name app is start from here
    """

    def __init__(self, **kwargs):
        super(HamsterApp, self).__init__(**kwargs)
        
        self.APP_NAME = "Hamster"
        self.COMPANY_NAME = "Hamster.org"
        
    def chat_room(self,touch,a):
        """Switch to Chatroom. but username and chatroom username 
        change according to which one you touch in chat list"""
        
        name = touch.text
        self.screen_manager.get_screen("chat_room").ids.profile_bar.title = name


        self.screen_manager.change_screen("chat_room")
    
    def all_chats(self):
        """
        All Chat that show in home chat tab. all chat are added by 
        this method. it will use in differe t in future.
        """
        # for dummy chats [------
        # self.change_screen("profile")
        twolineW= TwoLineAvatarListItem(text=f"Hamster",
            secondary_text="@username",
            on_touch_up=self.chat_room)

        twolineW.add_widget(ImageLeftWidget(source="assets//img//hamster_icon.png"))
        
        self.screen_manager.get_screen("home").ids.chat_tab.add_widget(twolineW)
        #  ----- ] end dummy chats
    
    

    def build(self):
        """
        This method call before on_start() method so anything
        that need before start application all other method and code 
        write here.
        """
        self.theme_cls.primary_palette = "Blue"
        self.theme_cls.primary_hue = "500"

        self.theme_cls.accent_palette = "Amber"
        self.theme_cls.accent_hue = "500"

        self.theme_cls.theme_style = "Light"
    
        self.screen_manager = Root()
        self.screen_manager.add_widget(Login_Screen())
        self.screen_manager.add_widget(Signup_Screen())
        self.screen_manager.add_widget(Forgot_Screen())
        self.screen_manager.add_widget(Verification_Screen())
        self.screen_manager.add_widget(Home_Screen())
        self.screen_manager.add_widget(Chat_Room_Screen())
        self.screen_manager.add_widget(Profile_Screen())

        return self.screen_manager
    
    def on_start(self):
        """
        Anything we want to run when start application that code is here.
        """
        self.screen_manager.change_screen("login")
        self.all_chats()

if __name__ == "__main__":
    # Start application from here.
    HamsterApp().run()