Простые сладкие приложения с Kivy

import os

from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button
from kivy.lang import Builder
from kivy.properties import StringProperty, ObjectProperty, ListProperty

from . imagebutton import ImageButton

root = os.path.split(__file__)[0]
Builder.load_file('{}/kv/custombutton.kv'.format(
    root if root != '' else os.getcwd())
)

class CustomButton(BoxLayout, Button):
    icon = StringProperty('')
    icon_map = StringProperty('')
    icon_people = StringProperty('')
    text = StringProperty('')
    button_color = ListProperty([0, 0, 0, .2])
    text_color = ListProperty([0, 0, 0, .1])
    events_callback = ObjectProperty(None)

#:kivy 1.9.1 

<CustomButton>: 
    id: root.text 
    padding: 5 
    size_hint_y: None 
    height: 60 
    on_release: root.events_callback(root.text) 

    canvas: 
        # Цвет кнопки 
        Color: 
            rgba: root.button_color 
        Rectangle: 
            pos: self.x + 2.5, self.y - 3 
            size: self.size 
        # Тень кнопки 
        Color: 
            rgba: [1, 1, 1, 1] 
        Rectangle: 
            pos: self.pos 
            size: self.size 

    Image: 
        source: root.icon 
        size_hint: .2, 1 
    Label: 
        markup: True 
        text: root.text 
        text_size: self.width - 70, None 
        color: root.text_color 

    BoxLayout: 
        orientation: 'vertical' 
        size_hint: .1, 1 
        spacing: 6 
        ImageButton: 
            source: root.icon_people 
            on_release: root.events_callback({'people': root.text}) 
        ImageButton: 
            source: root.icon_map 
            on_release: root.events_callback({'map': root.text})

import os 

from kivy.uix.boxlayout import BoxLayout 
from kivy.lang import Builder 
from kivy.properties import ListProperty, StringProperty, ObjectProperty 

root = os.path.split(__file__)[0] 
Builder.load_file('{}/kv/custommenu.kv'.format( 
    root if root != '' else os.getcwd()) 
) 

class CustomMenuItem(BoxLayout): 
    background_item = ListProperty([.1, .1, .1, 1]) 
    text_color = ListProperty([.1, .1, .1, 1]) 
    icon_item = StringProperty('') 
    text_item = StringProperty('') 
    id_item = StringProperty('') 
    events_callback = ObjectProperty(None)

#:kivy 1.9.1 
#:import ImageButton Libs.uix.imagebutton.ImageButton 

<CustomMenuItem>: 
    orientation: 'vertical' 
    canvas: 
        Color: 
            rgba: root.background_item 
        Rectangle: 
            pos: self.pos 
            size: self.size 

    ImageButton: 
        source: root.icon_item 
        on_release: root.events_callback(root.id_item.split('.')[0]) 
    Label: 
        text: root.text_item 
        color: root.text_color 
        font_size: '19sp'

from kivy.uix.image import Image
from kivy.uix.behaviors import ButtonBehavior

class ImageButton(ButtonBehavior, Image):
    pass

import os 

from kivy.uix.boxlayout import BoxLayout 

from Libs.uix.imagebutton import ImageButton 

class ShowBanners(object): 
    '''Меняет и выводит на главном экране рекламные баннеры.''' 

    def __init__(self): 
        self.banner_list = os.listdir( 
            '{}/Data/Images/banners'.format(self.directory) 
        ) 
        # Направление смены слайдов баннеров. 
        self.directions = ('up', 'down', 'left', 'right') 

    def show_banners(self, interval): 
        if self.screen.ids.screen_manager.current == '': 
            name_banner = self.choice(self.banner_list) 

            box_banner = BoxLayout() 
            new_banner = ImageButton( 
                id=name_banner.split('.')[0], 
                source='Data/Images/banners/{}'.format(name_banner), 
                on_release=self.press_banner 
            ) 
            box_banner.add_widget(new_banner) 

            name_screen = name_banner 
            banner = self.Screen(name=name_screen) 
            banner.add_widget(box_banner) 
            self.screen.ids.banner_manager.add_widget(banner) 
            effect = self.choice(self.effects_transition) 
            direction = self.choice(self.directions) 
            if effect != self.SwapTransition: 
                self.screen.ids.banner_manager.transition = effect( 
                    direction=direction 
                ) 
            else: 
                self.screen.ids.banner_manager.transition = effect() 
            self.screen.ids.banner_manager.current = name_screen 
            self.screen.ids.banner_manager.screens.pop() 

    def press_banner(self, instance_banner): 
        if isinstance(instance_banner, str): 
            print(instance_banner) 
        else: 
            print(instance_banner.id)

import os 

from kivy.uix.boxlayout import BoxLayout 
from kivy.lang import Builder 
from kivy.properties import ObjectProperty, ListProperty, StringProperty 

from Libs.uix.custombutton import CustomButton 

root = os.path.split(__file__)[0] 
root = root if root != '' else os.getcwd()

class StartScreen(BoxLayout): 
    events_callback = ObjectProperty(None) 
    '''Функция обработки сигналов экрана.''' 

    core = ObjectProperty(None) 
    '''module 'Libs.programdata' ''' 

    color_action_bar = ListProperty( 
        [0.4, 0.11764705882352941, 0.2901960784313726, 0.5607843137254902] 
    ) 
    '''Цвет ActionBar.''' 

    color_body_program = ListProperty( 
        [0.15294117647058825, 0.0392156862745098, 0.11764705882352941, 1] 
    ) 
    '''Цвет фона экранов программы.''' 

    color_tabbed_panel = ListProperty( 
        [0.15294117647058825, 0.0392156862745098, 0.11764705882352941, 1] 
    ) 
    '''Цвет фона tabbed panel.''' 

    title_previous = StringProperty('') 
    '''Заголовок ActionBar.''' 

    tabbed_text = StringProperty('') 
    '''Текст пунктов кастомной tabbed panel.''' 

    Builder.load_file('{}/kv/startscreen.kv'.format(root)) 

    def __init__(self, **kvargs): 
        super(StartScreen, self).__init__(**kvargs) 
        self.ids.custom_tabbed.bind(on_ref_press=self.events_callback) 

        # Cписок магазинов. 
        for name_shop in self.core.dict_shops.keys(): 
            self.ids.shops_list.add_widget( 
                CustomButton( 
                    text=self.core.dict_shops[name_shop], 
                    icon='Data/Images/shops/{}.png'.format(name_shop), 
                    icon_people='Data/Images/people.png', 
                    icon_map='Data/Images/mapmarker.png', 
                    events_callback=self.events_callback, 
                ) 
            )

#: kivy 1.9.1 
#: import StiffScrollEffect Libs.uix.garden.stiffscroll.StiffScrollEffect 

<StartScreen> 
    orientation: 'vertical' 
    canvas: 
        Color: 
            rgb: root.color_body_program 
        Rectangle: 
            pos: self.pos 
            size: self.size 

    ActionBar: 
        id: action_bar 
        canvas: 
            Color: 
                rgb: root.color_action_bar 
            Rectangle: 
                pos: self.pos 
                size: self.size 
        ActionView: 
            id: action_view 
            ActionPrevious: 
                id: action_previous 
                app_icon: 'Data/Images/logo.png' 
                title: root.title_previous 
                with_previous: False 
                on_release: root.events_callback('navigation_drawer') 
            ActionButton: 
                icon: 'Data/Images/trash_empty.png' 
            ActionButton: 
                icon: 'Data/Images/search.png' 

    Label: 
        id: custom_tabbed 
        text: root.tabbed_text 
        bold: True 
        markup: True 
        size_hint: 1, .35 
        text_size: self.width - 40, None 
        canvas.before: 
            Color: 
                rgb: root.color_tabbed_panel 
            Rectangle: 
                pos: self.pos 
                size: self.size 

    ScreenManager: 
        id: screen_manager 
        size_hint: 1, 8 
        Screen: 
            ScreenManager: 
                id: banner_manager 
                size_hint: 1, .38 
                pos_hint: {'top': 1} 

            ScrollView: 
                effect_cls: StiffScrollEffect 
                size_hint_y: None 
                height: root.height // 1.8 
                pos_hint: {'top': .62} 
                GridLayout: 
                    id: shops_list 
                    cols: 1 
                    spacing: 5 
                    padding: 5 
                    size_hint_y: None 
                    height: self.minimum_height

import os 
import sys 

from random import choice 

from kivy.app import App 
from kivy.uix.screenmanager import Screen, SlideTransition, SwapTransition 
from kivy.core.window import Window 
from kivy.config import ConfigParser 
from kivy.clock import Clock 
from kivy.utils import get_hex_from_color, get_color_from_hex 
from kivy.properties import ObjectProperty, NumericProperty 

from Libs.uix.kdialog import KDialog, BDialog, Dialog 
from Libs.uix.startscreen import StartScreen 
from Libs.uix.custommenu import CustomMenuItem 
from Libs.uix.navigationmenu import NavigationMenu 

from Libs.uix.garden.navigationdrawer import NavigationDrawer 

# Классы программы. 
from Libs import programclass as prog_class 

from Libs import programdata as core 
from Libs.manifest import Manifest 

# Графика для диалоговых окон. 
Dialog.background_image_buttons = core.image_buttons 
Dialog.background_image_shadows = core.image_shadows 
Dialog.background = core.decorator 

class Program(App, prog_class.ShowPlugin, prog_class.ShowBanners, 
              prog_class.SearchShop, prog_class.ShowLicense, 
              prog_class.ShowLocations): 
    '''Функционал программы.''' 

    start_screen = ObjectProperty(None) 
    ''':attr:`start_screen` is a :class:`~Libs.uix.startscreen.StartScreen`''' 

    screen = ObjectProperty(None) 
    ''':attr:`screen` is a :class:`~Libs.uix.startscreen.StartScreen`''' 

    window_text_size = NumericProperty(15) 

    def __init__(self, **kvargs): 
        super(Program, self).__init__(**kvargs) 
        Window.bind(on_keyboard=self.events_program) 

        # Для области видимомти в programclass. 
        self.Screen = Screen 
        self.Clock = Clock 
        self.CustomMenuItem = CustomMenuItem 
        self.KDialog = KDialog 
        self.BDialog = BDialog 
        self.Manifest = Manifest 
        self.SwapTransition = SwapTransition 
        self.choice = choice 
        self.get_color_from_hex = get_color_from_hex 
        self.get_hex_from_color = get_hex_from_color 
        self.core = core 
        self.name_program = core.string_lang_title 
        self.navigation_drawer = NavigationDrawer(side_panel_width=230) 
        self.current_open_tab = core.string_lang_tabbed_menu_shops 
        self.shop = False  # выбранный магазин 
        self.open_dialog = False  # открыто диалоговое окно 

        self.effects_transition = (SlideTransition, SwapTransition) 
        # Список магазинов. 
        self.shops = core.dict_shops.keys() 
        # Список локаций. 
        self.locations = [ 
            location.split('.')[0].lower() for location in os.listdir( 
                '{}/Data/Images/locations'.format(core.prog_path))] 

    def build_config(self, config): 
        config.adddefaultsection('General') 
        config.setdefault('General', 'language', 'Русский') 
        config.setdefault('General', 'theme', 'default') 

    def build(self): 
        self.title = self.name_program  # заголовок окна программы 
        self.icon = 'Data/Images/logo.png'  # иконка окна программы 
        self.use_kivy_settings = False 

        self.config = ConfigParser() 
        self.config.read('{}/program.ini'.format(core.prog_path)) 
        self.set_var_from_file_settings() 

        # Главный экран программы. 
        self.start_screen = StartScreen( 
            color_action_bar=core.color_action_bar, 
            color_body_program=core.color_body_program, 
            color_tabbed_panel=core.color_tabbed_panel, 
            tabbed_text=core.string_lang_tabbed_menu.format( 
                TEXT_SHOPS=core.string_lang_tabbed_menu_shops, 
                TEXT_LOCATIONS=core.string_lang_tabbed_menu_locations, 
                COLOR_TEXT_SHOPS=get_hex_from_color(core.color_action_bar), 
                COLOR_TEXT_LOCATIONS=core.theme_text_color), 
            title_previous=self.name_program[1:], 
            events_callback=self.events_program, core=core 
        ) 

        self.screen = self.start_screen 
        navigation_panel = NavigationMenu( 
            events_callback=self.events_program, 
            items=core.dict_navigation_items 
        ) 

        Clock.schedule_interval(self.show_banners, 4) 

        self.navigation_drawer.add_widget(navigation_panel) 
        self.navigation_drawer.anim_type = 'slide_above_anim' 
        self.navigation_drawer.add_widget(self.start_screen) 

        return self.navigation_drawer 

    def set_var_from_file_settings(self): 
        '''Установка значений переменных из файла настроек program.ini.''' 

        self.language = core.select_locale[ 
            self.config.get('General', 'language') 
        ] 

    def set_current_item_tabbed_panel(self, color_current_tab, color_tab): 
        self.screen.ids.custom_tabbed.text = \ 
            core.string_lang_tabbed_menu.format( 
                TEXT_SHOPS=core.string_lang_tabbed_menu_shops, 
                TEXT_LOCATIONS=core.string_lang_tabbed_menu_locations, 
                COLOR_TEXT_SHOPS=color_tab, 
                COLOR_TEXT_LOCATIONS=color_current_tab 
            ) 

    def events_program(self, *args): 
        '''Обработка событий программы.''' 

        if self.navigation_drawer.state == 'open': 
            self.navigation_drawer.anim_to_state('closed') 

        if len(args) == 2:  # нажата ссылка 
            event = args[1] 
        else:  # нажата кнопка программы 
            try: 
                _args = args[0] 
                event = _args if isinstance(_args, str) else _args.id 
            except AttributeError:  # нажата кнопка девайса 
                event = args[1] 

        if core.PY2: 
            if isinstance(event, unicode): 
                event = event.encode('utf-8') 

        if event == core.string_lang_settings: 
            pass 
        elif event == core.string_lang_exit_key: 
            self.exit_program() 
        elif event == core.string_lang_license: 
            self.show_license() 
        elif event == core.string_lang_plugin: 
            self.show_plugins() 
        elif event in self.locations: 
            print(event) 
        elif event == 'search_shop': 
            self.search_shop() 
        elif event == 'navigation_drawer': 
            self.navigation_drawer.toggle_state() 
        elif event == core.string_lang_tabbed_menu_locations: 
            self.show_locations() 
        elif event == core.string_lang_tabbed_menu_shops: 
            self.back_screen(event) 
        elif event == 'obi_banner': 
            self.press_banner(event) 
        elif event in (1001, 27): 
            self.back_screen(event) 
        elif event in self.shops: 
            print(event) 
        return True 

    def back_screen(self, event): 
        '''Менеджер экранов.''' 

        # Нажата BackKey на главном экране. 
        if self.screen.ids.screen_manager.current == '': 
            if event in (1001, 27): 
                self.exit_program() 
            return 
        if len(self.screen.ids.screen_manager.screens) != 1: 
            self.screen.ids.screen_manager.screens.pop() 
        self.screen.ids.screen_manager.current = \ 
            self.screen.ids.screen_manager.screen_names[-1] 
        # Устанавливаем имя предыдущего экрана. 
        #self.screen.ids.action_previous.title =  self.screen.ids.screen_manager.current 
        # Устанавливаем активный пункт в item_tabbed_panel. 
        self.set_current_item_tabbed_panel( 
                core.theme_text_color, get_hex_from_color(core.color_action_bar) 
        ) 

    def exit_program(self, *args): 
        def dismiss(*args): 
            self.open_dialog = False 

        def answer_callback(answer): 
            if answer == core.string_lang_yes: 
                sys.exit(0) 
            dismiss() 

        if not self.open_dialog: 
            KDialog(answer_callback=answer_callback, on_dismiss=dismiss, 
                    separator_color=core.separator_color, 
                    title_color=get_color_from_hex(core.theme_text_black_color), 
                    title=self.name_program).show( 
                text=core.string_lang_exit.format(core.theme_text_black_color), 
                text_button_ok=core.string_lang_yes, 
                text_button_no=core.string_lang_no, param='query', 
                auto_dismiss=True 
            ) 
            self.open_dialog = True 

    def on_pause(self): 
        '''Ставит приложение на 'паузу' при выхоже из него. 
        В противном случае запускает программу заново''' 

        return True 

    def on_resume(self): 
        print('on_resume') 

    def on_stop(self): 
        print('on_stop')