Transposer 0.1

import kivy
kivy.require('1.0.8')
from sys import exit
from kivy.app import App
from kivy.core.window import Window
from kivy.uix.button import Button
from kivy.uix.label import Label
from kivy.uix.anchorlayout import AnchorLayout
from kivy.uix.scrollview import ScrollView
from kivy.uix.gridlayout import GridLayout

class Transpose(App):
    def exit(instance):
        sys.exit()

    def build(self):
        #--------------------------------------------------------------
        text1 = "  C  C#/Db  D  D#/Eb  E    F  F#/Gb  G  G#/Ab  A  A#/Bb  B    C"
        text2 = "  C  C#/Db  D  D#/Eb  E    F  F#/Gb  G  G#/Ab  A  A#/Bb  B    C  C#/Db  D  D#/Eb  E    F  F#/Gb  G  G#/Ab  A  A#/Bb  B    C  C#/Db"
        #--------------------------------------------------------------
        root = GridLayout(orientation='vertical', spacing=10, cols=1,rows=3)
        lbl = Label(text='Transposer Ver 0.7',font_size=20,size_hint=(None,None),size=(480,20),padding=(10,10))
        btn1 = Button(text = "  " + text1,size=(680,40),size_hint=(None, None),halign='left',font_name='data/fonts/DroidSansMono.ttf',padding=(20,20))

        #--------------------------------------------------------------
        root.add_widget(lbl)
        root.add_widget(btn1)
        #--------------------------------------------------------------
        s = GridLayout(cols=1, spacing = 10, size_hint_y = None)
        s.bind(minimum_height=s.setter('height'))
        for i in range(0,19):
            if i <= 12:
                if i < 10:
                    t1 = " " + str(i) + "| "
                else:
                    t1 = str(i) + "| "
            else:
                t1 = ''
                text2 = ''
            btn = Button(text=t1+text2[(i*5):(i*5)+65], size=(680, 40),
                         size_hint=(None, None),halign='left',font_name='data/fonts/DroidSansMono.ttf')

            s.add_widget(btn)
        #--------------------------------------------------------------
        sv = ScrollView(size_hint=(None, None), size=(600,400))

        sv.center = Window.center
        root.add_widget(sv)
        sv.add_widget(s)

        return root

if __name__ in ('__main__','__android__'):
    Transpose().run()