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initial commit: Next step post solution to excercises in step 5 and 6
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‎README.md

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This is the tutorial created to be followed by PYCON 2014 kivy workshop
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you need to have kivy installed and available for this to work.

‎step1/kv/main.kv

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BoxLayout
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Button
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id: but_trouble
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text: 'Hello'
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Button
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text: 'World'

‎step1/kv/main.py

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from kivy.app import App
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class MainApp(App):
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pass
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if __name__ == "__main__":
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MainApp().run()

‎step1/pure_python/main.py

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from kivy.app import App
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from kivy.uix.button import Button
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from kivy.uix.boxlayout import BoxLayout
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class MainApp(App):
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def build(self):
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but_trouble = Button(text='Hello')
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but_lazy = Button(text='World')
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root_widget = BoxLayout()
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root_widget.add_widget(but_trouble)
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root_widget.add_widget(but_lazy)
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return root_widget
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if __name__ == "__main__":
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MainApp().run()

‎step2/kv/main.kv

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BoxLayout
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id: root_widget
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orientation: 'vertical'
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GridLayout
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rows: 2
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cols: 2
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Label
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text: 'User Name'
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TextInput
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id: ti_user
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Label
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text: 'password'
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TextInput
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id: ti_password
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password: True
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Button
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text: 'OK'

‎step2/kv/main.py

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from kivy.app import App
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class MainApp(App):
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pass
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if __name__ == "__main__":
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MainApp().run()

‎step2/pure_python/main.py

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from kivy.app import App
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from kivy.uix.label import Label
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from kivy.uix.textinput import TextInput
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from kivy.uix.gridlayout import GridLayout
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from kivy.uix.button import Button
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from kivy.uix.boxlayout import BoxLayout
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class MainApp(App):
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def build(self):
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# create root widget
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root_widget = BoxLayout(orientation='vertical')
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# create the labels and the textinputs
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lbl_user = Label(text='User Name:')
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lbl_password = Label(text='Password')
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ti_user = TextInput()
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ti_password = TextInput(password=True)
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# create the containers for the labels and textinputs
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grid_user_pass = GridLayout(rows=2, cols=2)
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# create the ok button
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my_but_is_ok = Button(text='OK')
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# add the labels and input fields to the container
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grid_user_pass.add_widget(lbl_user)
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grid_user_pass.add_widget(ti_user)
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grid_user_pass.add_widget(lbl_password)
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grid_user_pass.add_widget(ti_password)
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# add the grid_container into it's container
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root_widget.add_widget(grid_user_pass)
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# add the ok button at the bottom of the grid
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root_widget.add_widget(my_but_is_ok)
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return root_widget
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if __name__ == "__main__":
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MainApp().run()

‎step3/kv/main.kv

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FloatLayout
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id: root_widget
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BoxLayout
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size_hint: None, None
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size: dp(400), dp(200)
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padding: dp(20), dp(20)
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spacing: dp(20)
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pos_hint: {'center_x': .5, 'center_y': .5}
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orientation: 'vertical'
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GridLayout
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spacing: dp(20)
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rows: 2
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cols: 2
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Label
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text: 'User Name'
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TextInput
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id: ti_user
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multiline: False
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Label
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text: 'password'
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TextInput
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id: ti_password
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password: True
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multiline: False
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Button
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text: 'OK'
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size_hint_y: None
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height: dp(48)

‎step3/kv/main.py

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from kivy.app import App
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class MainApp(App):
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pass
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if __name__ == "__main__":
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MainApp().run()

‎step3/pure_python/main.py

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from kivy.app import App
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from kivy.uix.label import Label
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from kivy.uix.textinput import TextInput
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from kivy.uix.floatlayout import FloatLayout
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from kivy.uix.gridlayout import GridLayout
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from kivy.uix.button import Button
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from kivy.uix.boxlayout import BoxLayout
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from kivy.metrics import dp
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class MainApp(App):
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def build(self):
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# create root widget
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root_widget = FloatLayout()
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box = BoxLayout(orientation='vertical',
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size_hint=(None, None),
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size=(400, 200),
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spacing=dp(20),
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padding=dp(20),
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pos_hint={'center_x': .5, 'center_y':.5})
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# create the labels and the textinputs
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lbl_user = Label(text='User Name:')
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lbl_password = Label(text='Password')
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ti_user = TextInput()
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ti_password = TextInput(password=True)
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# create the containers for the labels and textinputs
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grid_user_pass = GridLayout(rows=2, cols=2, spacing=dp(20))
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# create the ok button
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my_but_is_ok = Button(text='OK')
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# add the labels and input fields to the container
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grid_user_pass.add_widget(lbl_user)
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grid_user_pass.add_widget(ti_user)
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grid_user_pass.add_widget(lbl_password)
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grid_user_pass.add_widget(ti_password)
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# add the grid_container into it's container
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box.add_widget(grid_user_pass)
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root_widget.add_widget(box)
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# add the ok button at the bottom of the grid
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box.add_widget(my_but_is_ok)
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return root_widget
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if __name__ == "__main__":
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MainApp().run()

‎step4/kv/main.kv

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FloatLayout
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id: root_widget
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BoxLayout
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size_hint: None, None
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size: dp(400), dp(200)
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padding: dp(20), dp(20)
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spacing: dp(20)
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pos_hint: {'center_x': .5, 'center_y': .5}
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orientation: 'vertical'
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GridLayout
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spacing: dp(20)
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rows: 2
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cols: 2
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Label
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text: 'User Name'
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TextInput
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id: ti_user
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multiline: False
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Label
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text: 'password'
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TextInput
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id: ti_password
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password: True
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multiline: False
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Button
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text: 'OK'
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size_hint_y: None
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height: dp(48)
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on_release: app.check_user(ti_user.text, ti_password.text)

‎step4/kv/main.py

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from kivy.app import App
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from plyer import tts
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class MainApp(App):
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def check_user(self, user, pwd):
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if pwd.lower() == 'pyconindia':
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tts.speak('Hello {}. Welcome to Pycon India!'.format(user))
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if pwd.lower() == 'funny':
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tts.speak('Lalu ji ko rabri achi lagti hai')
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if __name__ == "__main__":
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MainApp().run()

‎step4/pure_python/main.py

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from kivy.app import App
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from kivy.uix.label import Label
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from kivy.uix.textinput import TextInput
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from kivy.uix.floatlayout import FloatLayout
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from kivy.uix.gridlayout import GridLayout
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from kivy.uix.button import Button
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from kivy.uix.boxlayout import BoxLayout
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from kivy.metrics import dp
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from plyer import tts
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class MainApp(App):
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def build(self):
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# create root widget
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root_widget = FloatLayout()
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box = BoxLayout(orientation='vertical',
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size_hint=(None, None),
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size=(400, 200),
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spacing=dp(20),
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padding=dp(20),
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pos_hint={'center_x': .5, 'center_y':.5})
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# create the labels and the textinputs
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lbl_user = Label(text='User Name:')
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lbl_password = Label(text='Password')
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ti_user = TextInput()
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ti_password = TextInput(password=True)
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# create the containers for the labels and textinputs
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grid_user_pass = GridLayout(rows=2, cols=2, spacing=dp(20))
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# create the ok button
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my_but_is_ok = Button(text='OK')
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my_but_is_ok.bind(on_release=lambda *args: self.check_user(ti_user.text, ti_password.text))
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# add the labels and input fields to the container
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grid_user_pass.add_widget(lbl_user)
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grid_user_pass.add_widget(ti_user)
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grid_user_pass.add_widget(lbl_password)
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grid_user_pass.add_widget(ti_password)
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# add the grid_container into it's container
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box.add_widget(grid_user_pass)
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root_widget.add_widget(box)
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# add the ok button at the bottom of the grid
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box.add_widget(my_but_is_ok)
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return root_widget
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def check_user(self, user, pwd):
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if pwd.lower() == 'pyconindia':
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tts.speak('Hello {}. Welcome to Pycon India!'.format(user))
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if pwd.lower() == 'funny':
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tts.speak('Lalu ji ko rabbri, bahoot pasand hai!')
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if __name__ == "__main__":
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MainApp().run()

‎step5/1.gif

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‎step5/2.gif

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‎step5/3.gif

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‎step5/kv/main.kv

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ScreenManager
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Screen
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name: 'screen 1'
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BoxLayout
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size_hint: None, None
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size: dp(400), dp(200)
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padding: dp(20), dp(20)
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spacing: dp(20)
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pos_hint: {'center_x': .5, 'center_y': .5}
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orientation: 'vertical'
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GridLayout
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spacing: dp(20)
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rows: 2
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cols: 2
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Label
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text: 'User Name'
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TextInput
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id: ti_user
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multiline: False
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Label
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text: 'password'
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TextInput
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id: ti_password
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password: True
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multiline: False
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Button
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text: 'OK'
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size_hint_y: None
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height: dp(48)
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on_release: app.check_user(ti_user.text, ti_password.text)
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Screen
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name: 'screen 2'
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NextButt
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source: '../1.gif'
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on_release: root.current = 'screen 3'
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Screen
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name: 'screen 3'
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NextButt
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source: '../2.gif'
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on_release: root.current = 'screen 4'
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Screen
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name: 'screen 4'
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NextButt
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source: '../3.gif'
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on_release: root.current = 'screen 1'
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<NextButt@ButtonBehavior+Image>
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anim_delay: .1
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allow_stretch: True
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‎step5/kv/main.py

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from kivy.app import App
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from plyer import tts
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class MainApp(App):
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def check_user(self, user, pwd):
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if pwd.lower() == 'pyconindia':
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tts.speak('Hello {}. Welcome to Pycon India!'.format(user))
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if pwd.lower() == 'funny':
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tts.speak('Lalu ji ko rabri achi lagti hai')
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# load screen 2
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self.root.current = 'screen 2'
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if __name__ == "__main__":
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MainApp().run()

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