(05-08-2018, Saat: 15:34)Ethnic Nickli Kullanıcıdan Alıntı:  Şöyle bir şey işini görmez mi?

PHP Kod:

# -*- coding: utf-8 -*-
from kivy.app import App
from kivy.uix.screenmanager import ScreenManager,Screen
from kivy.lang import Builder
from kivy.metrics import sp
from kivy.properties import NumericProperty

Builder.load_string("""
<ekran2>:
    BoxLayout:
        orientation: "vertical"
        Label:
            font_size: sp(20)
            id: lbl
            text: "Deneme Metni"
        Button:
            text: "Fontunu Ayarla"
            on_release: 
                root.manager.transition.direction = "up"
                root.manager.current = "font_ayarla"

<font_ayarla>:
    BoxLayout:
        orientation: "vertical"
        Label:
            text: "Labelin Font Boyutu: 20"
            id: lbl2
        BoxLayout:
            orientation: "horizontal"
            Button:
                text: "+1 Arttır"
                on_release: root.arttir()

            Button:
                text: "-1 Azalt"
                on_release: root.azalt()

            Button:
                text: "Geri"
                on_release: 
                    root.manager.transition.direction = "down"
                    root.manager.current = "ekran2"
""")

class ekran2(Screen):
    pass

class font_ayarla(Screen):
    font = NumericProperty(20)
    def arttir(self):
        self.font += 1
        sm.screens[0].ids.lbl.font_size += sp(1)
        self.ids.lbl2.text = str("Labelin Font Boyutu: " + str(self.font))

    def azalt(self):
        self.font -= 1
        sm.screens[0].ids.lbl.font_size -= sp(1)
        self.ids.lbl2.text = str("Labelin Font Boyutu: " + str(self.font))

sm = ScreenManager()
sm.add_widget(ekran2(name = "ekran2"))
sm.add_widget(font_ayarla(name = "font_ayarla"))

class ekran(App):
    def build(self):
        return sm

ekran().run() 


Çok saolll abi. Böyle yapınca oldu.

İşine yaradığına sevindim, sende sağol