class Level1(Screen):
    posx = NumericProperty(0)
    posy = NumericProperty(0)
    moving = True
    i = 0
    def __init__(self, **kwargs):
        super(Level1, self).__init__(**kwargs)

    def rightmove(self):
        self.posx = self.posx+1
        time.sleep(10)

    def goright(self):
        while self.moving == True:
            self.rightmove()
            i += 1
            if i == 10:
                break


    def stopright(self):
        self.moving == False

from kivy.app import App
from kivy.lang import Builder
from kivy.uix.screenmanager import ScreenManager, Screen, FadeTransition,         SlideTransition
from kivy.config import Config
from kivy.core.window import Window
from kivy.uix.label import Label
from kivy.uix.image import Image
from kivy.uix.widget import Widget
from kivy.properties import ObjectProperty, NumericProperty
from kivy.clock import Clock
from kivy.uix.floatlayout import FloatLayout
import time
Config.set('graphics','resizable',0) #don't make the app re-sizeable
#Graphics fix
 #this fixes drawing issues on some phones
Window.clearcolor = (0,0,0,1.)

language = "english"
curr1msg = 1

class HomeScreen(Screen):
    pass

class OptionsScreen(Screen):
    pass

class GameScreen(Screen):
    pass

class LevelScreen(Screen):
    pass

class Level1intro(Screen):
    global language
    global curr1msg
    if language == "english" and curr1msg == 1:
        pName = "Pedro"
        msg1 = """Hello my friend!
My name is Pedro and I have a problem. Will you help me?
My spanish studens have a spanish test tomorrow, but I lost the exams!
You are the only one who can help me!"""
        cont = "Press anywhere to continue..."
    elif language == "swedish" and curr1msg == 1:
        pName = "Pedro"
        msg1 = """Hejsan!
Jag är Pedro och jag har ett problem. Kan du hjälpa mig?
Mina spanska-elever har ett spanskaprov imorgon men jag har tappat bort     proven!
Du är den enda som kan hjälpa mig!"""
        cont = "Tryck på skärmen för att fortsätta..."

class Level1(Screen):
        posx = NumericProperty(0)
        posy = NumericProperty(0)
        moving = True
        i = 0
        def __init__(self, **kwargs):
            super(Level1, self).__init__(**kwargs)

        def rightmove(self):
            self.posx = self.posx+1
            time.sleep(10)

        def goright(self):
            while self.moving == True:
                self.rightmove()
                i += 1
                if i == 10:
                    break


        def stopright(self):
            self.moving == False


class ScreenManagement(ScreenManager):
    pass


presentation = Builder.load_file("main.kv")

class MainApp(App):
    def build(self):
        return presentation

if __name__ == "__main__":
    MainApp().run()

#: import FadeTransition kivy.uix.screenmanager.FadeTransition
#: import SlideTransition kivy.uix.screenmanager.SlideTransition
ScreenManagement:
    transition: FadeTransition()
    HomeScreen:
    OptionsScreen:
    LevelScreen:
    Level1intro:
    Level1:

<HomeScreen>:
    name: 'home'

    FloatLayout:
        canvas:
            Rectangle:
                source:"images/home_background.jpg"
                size: self.size
        Image:
            source:"images/logo.png"
            allow_stretch: False
            keep_ratio: False
            opacity: 1.0
            size_hint: 0.7, 0.8
            pos_hint: {'center_x': 0.5, 'center_y': 0.9}
        Button:
            size_hint: 0.32,0.32
            pos_hint: {"x":0.34, "y":0.4}
            on_press:
                app.root.transition = SlideTransition(direction="left")
                app.root.current = "level"
            background_normal: "images/play_button.png"
            allow_stretch: False
        Button:
            size_hint: 0.25,0.25
            pos_hint: {"x":0.38, "y":0.15}
            on_press:
                app.root.transition = SlideTransition(direction="left")
                app.root.current = 'options'
            background_normal: "images/settings_button.png"

<OptionsScreen>:
    name: 'options'

<LevelScreen>
    name: "level"

    FloatLayout:
        canvas:
            Rectangle:
                source:"images/home_background.jpg"
                size: self.size
        Label:
            text: "[b]Choose Level[/b]"
            markup: 1
            font_size: 40
            color: 1,0.5,0,1
            pos: 0,250
        Button:
            size_hint: 0.1,0.1
            pos_hint: {"x": 0.1, "y": 0.8}
            on_press:
                app.root.current = "level1intro"
            Image:
                source:"images/level1.png"
                allow_stretch: True
                y: self.parent.y + self.parent.height - 70
                x: self.parent.x
                height: 80
                width: 80

        Button:
            background_normal: "images/menu_button.png"
            pos_hint: {"x": 0.4, "y": 0}
            size_hint: 0.3,0.3
            pos_hint: {"x": 0.35}
            on_press:
                app.root.transition = SlideTransition(direction="right")
                app.root.current = "home"

<Level1intro>
    name: "level1intro"

    canvas:
        Rectangle:
            source: "images/background.png"
            size: self.size
    Image:
        source: "images/dialog.png"
        pos_hint: {"y": -0.35}
        size_hint: 0.7,1.0
    Label:
        font_size: 20
        color: 1,1,1,1
        pos_hint: {"x": -0.385, "y": -0.285}
        text: root.pName
    Label:
        font_size: 15
        color: 1,1,1,1
        pos_hint: {"x": -0.15, "y": -0.4}
        text: root.msg1
    Label:
        font_size: 15
        color: 0.7,0.8,1,1
        pos_hint: {"x": 0.025, "y": -0.449}
        text: root.cont
        on_touch_down:
            app.root.transition = FadeTransition()
            app.root.current = "level1"

<Level1>
    name: "level1"
    canvas:
        Rectangle:
            source: "images/background.png"
            size: self.size

    Button:
        text: ">"
        size_hint: 0.1,0.1
        pos_hint: {"x":0.9, "y":0.0}
        on_press:
            root.goright()
        on_release:
            root.stopright()
    Button:
        text: "<"
        size_hint: 0.1,0.1
        pos_hint: {"x": 0.0, "y": 0.0}
        on_press:
            root.posx = root.posx-1

    Image:
        id: char
        source: "images/idle1.png"
        size: self.size
        pos: root.posx,root.posy

#!/usr/bin/env python3.5
# -*- coding: utf-8 -*-
from kivy.app import App
from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.floatlayout import FloatLayout
from kivy.clock import mainthread, Clock

gui = '''
Root:
    orientation: 'vertical'

    arena: arena
    control_button: control_button

    Arena:
        id: arena

    Button
        id: control_button
        size_hint_y: None
        height: dp(50)
        text: 'move'


<Arena@FloatLayout>:
    player: player

    Button:
        id: player
        pos: 150, 300
        text: 'elf warrior\nlevel 1'
        size_hint: None, None
        size: 100, 100
'''


class Root(BoxLayout):

    def __init__(self, **kwargs):
        super().__init__(**kwargs)

        @mainthread
        def job():
            self.control_button.bind(on_press=self._on_press)
            self.control_button.bind(on_release=self._on_release)

        job()

    def _on_press(self, button):
        self.arena.start_movement()

    def _on_release(self, button):
        self.arena.stop_movement()


class Arena(FloatLayout):

    def start_movement(self):
        Clock.schedule_interval(self._move_right, 0.01)

    def stop_movement(self):
        Clock.unschedule(self._move_right)

    def _move_right(self, dt):
        self.player.x += 1


class Test(App):

    def build(self):
        return Builder.load_string(gui)


Test().run()