login.py
from kivy.lang import Builder
from kivymd.app import MDApp
class MainApp(MDApp):
def build(self):
self.theme_cls.theme_style = "Dark"
self.theme_cls.primary_palette = "BlueGray"
return Builder.load_file('login.kv')
def logger(self):
if(self.root.ids.user.text != ""):
self.root.ids.welcome_label.text = \
f'Hello {self.root.ids.user.text}!'
def clear(self):
self.root.ids.welcome_label.text = 'WELCOME'
self.root.ids.user.text = ''
self.root.ids.password.text = ''
MainApp().run()
login.kv
Screen:
MDCard:
size_hint: None, None
size: 300,400
pos_hint: {"center_x": 0.5, "center_y": 0.5}
elevation: 10
padding: 25
spacing: 25
orientation: 'vertical'
MDLabel:
id: welcome_label
text: "WELCOME"
font_size: 40
halign: 'center'
size_hint_y: None
height: self.texture_size[1]
padding_y:15
MDTextFieldRound:
id:user
hint_text: "username"
icon_right: "account"
size_hint_x: None
width: 200
font_size: 18
pos_hint: {"center_x": 0.5}
MDTextFieldRound:
id:password
hint_text: "password"
icon_right: "eye-off"
size_hint_x: None
width: 200
font_size: 18
pos_hint: {"center_x": 0.5}
password: True
MDRoundFlatButton:
text: "Log In"
font_size: 12
pos_hint: {"center_x": 0.5}
on_press: app.logger()
MDRoundFlatButton:
text: "Clear"
font_size: 12
pos_hint: {"center_x": 0.5}
on_press: app.clear()
Widget:
size_hint_y: None
height: 10