Python | Scrollview widget in kivy

# Program to explain how to use scroll view in kivy  
       
# import kivy module     
import kivy   
         
# base Class of your App inherits from the App class.     
# app:always refers to the instance of your application    
from kivy.app import App  
       
# this restrict the kivy version i.e   
# below this kivy version you cannot   
# use the app or software   
kivy.require('1.9.0')

# The Label widget is for rendering text
from kivy.uix.label import Label

# The ScrollView widget provides a scrollable view 
from kivy.uix.scrollview import ScrollView

# Property that represents a string value
from kivy.properties import StringProperty

# Static main function that starts the application loop.
from kivy.base import runTouchApp

# Builder is a global Kivy instance used in
# widgets that you can use to load other
# kv files in addition to the default ones.
from kivy.lang import Builder


# Build the .kv file
Builder.load_string('''

# Define the scroll view
<ScrollableLabel>:
    text: 'You are learning Kivy' * 500
    Label:
        text: root.text
        font_size: 50
        text_size: self.width, None
        size_hint_y: None
        height: self.texture_size[1]
''')


# Define scrollview class 
class ScrollableLabel(ScrollView):
    text = StringProperty('')

# run the App
runTouchApp(ScrollableLabel())

from kivy.app import App

# importing builder from kivy
from kivy.lang import Builder


# this is the main class which will
# render the whole application
class uiApp(App):

    # method which will render our application
    def build(self):
        return Builder.load_string(

            BoxLayout:
            size_hint: (1, 1)
            ScrollView:

            # here we can set bar color
            bar_color: [0, 0, 255, 1]

            # here we can set bar width
            bar_width: 12

            BoxLayout:



            size: (self.parent.width, self.parent.height-1)
            id: container
            orientation: "vertical"
            size_hint_y: None

            height: self.minimum_height

            canvas.before:
            Color:

            rgba:  rgba("#50C878")
            Rectangle:

            pos: self.pos
            size: self.size

            Label:
            size_hint: (1, None)
            height: 300
            markup: True
            text: "[size=78]GeeksForGeeks[/size]"
            Label:
            size_hint: (1, None)
            height: 300
            markup: True
            text: "[size=78]GeeksForGeeks[/size]"
            Label:
            size_hint: (1, None)
            height: 300
            markup: True
            text: "[size=78]GeeksForGeeks[/size]"
            Label:
            size_hint: (1, None)
            height: 300
            markup: True
            text: "[size=78]GeeksForGeeks[/size]"

        )


# running the application
uiApp().run()