Drawing App For Kivy

 Below here is the source code for Drawing Application for kivy. Please if you like this content. Don't forget to Subscribe to my YouTube Channel here now on Python Programming now or other programming content now and please support me on PayPal Now for better content! and Join our WhatsApp group here or here also with our Telegram group here to start learning now! Thanks!

from kivy.app import App
from kivy.uix.widget import Widget
from kivy.uix.button import Button
from kivy.graphics import Color, Line
from kivy.core.window import Window

class DrawingApp(App):
def build(self):
self.drawing_widget = DrawingWidget()
self.erase_button = Button(text="Erase", size_hint=(None,None), size=(100,50), pos=(0,Window.height - 50))
self.erase_button.bind(on_press=self.toggle_color)
self.root = Widget()
self.root.add_widget(self.drawing_widget)
self.root.add_widget(self.erase_button)
return self.root

def toggle_color(self, instance):
self.drawing_widget.toggle_color()
self.update_button_style()

def update_button_style(self):
if self.drawing_widget.color == (1,0,0):
self.erase_button.background_color = (0.6,0.6,0.6,1)
else:
self.erase_button.background_color = (0,0,1,1)




class DrawingWidget(Widget):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.color = (1,0,0)
self.line_width = 2


def on_touch_down(self, touch):
with self.canvas:
Color(*self.color)
touch.ud['line'] = Line(points=(touch.x, touch.y), width=self.line_width)


def on_touch_move(self,touch):
touch.ud['line'].points += (touch.x,touch.y)



def toggle_color(self):
if self.color == (1,0,0):
self.color = (0,0,0)
self.line_width = 5

else:
self.color = (1,0,0)
self.line_width = 2



if __name__ == '__main__':
DrawingApp().run()

Source Code For Task Manager Kivy

Below here is the source code for Task Manager for kivy. Please if you like this content. Don't forget to Subscribe to my YouTube Channel here now on Python Programming now or other programming content now and please support me on PayPal Now for better content! and Join our WhatsApp group here or here also with our Telegram group here to start learning now! Thanks!

 from kivy.app import App

from kivy.uix.boxlayout import BoxLayout
from kivy.uix.label import Label
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button
import pickle

class TaskManager(App):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.tasks = []


def add_task(self, instance):
if len(self.tasks) < 4:
task_text = self.task_input.text
if task_text:
self.tasks.append(task_text)
self.update_task_list()



def update_task_list(self):
self.task_list.clear_widgets()
for task in self.tasks:
task_label = Label(text=task)
delete_button = Button(text='Delete')
delete_button.bind(on_press=lambda instance, task = task: self.delete_task(task))
self.task_list.add_widget(task_label)
self.task_list.add_widget(delete_button)

def delete_task(self, task_text):
self.tasks.remove(task_text)
self.update_task_list()


def build(self):
layout = BoxLayout(orientation='vertical', padding=10)

self.task_input = TextInput(hint_text = 'Enter your task here')

add_button = Button(text='Add Task')
add_button.bind(on_press = self.add_task)

self.task_list = BoxLayout(orientation='vertical')

layout.add_widget(self.task_input)
layout.add_widget(add_button)
layout.add_widget(Label(text='Tasks:'))
layout.add_widget(self.task_list)
self.load_tasks()
return layout

def on_stop(self):
self.save_tasks()

def save_tasks(self):
with open("tasks.pkl","wb") as f:
pickle.dump(self.tasks, f)

def load_tasks(self):
try:
with open("tasks.pkl","rb") as f:
self.tasks = pickle.load(f)
self.update_task_list()
except FileNotFoundError:
pass




TaskManager().run()