# Essential imports import flet from flet import Page, Column, Row, Container, Text, Stack, TextField, Image, ElevatedButton from flet import icons, dropdown, colors, padding, alignment, border_radius, theme def main(page: Page): page.title = "My Awesome Flet Appname" page.add (Text ("Hello Fletizen!")) page.update() flet.app(target=main, assets_dir="assets") # flet.app(target=main, view=flet.WEB_BROWSER) # option to provide host/port  # flet.app(target=main, assets_dir="assets", host="0.0.0.0", port=777)

# 'bad practice' https://www.geeksforgeeks.org/why-import-star-in-python-is-a-bad-idea/ import flet from flet import * from flet import icons, dropdown, colors, padding, alignment, border_radius, theme

import flet from flet import Page, ElevatedButton def main (page:Page): def on_click_btn (e): print ("i was clicked!") def on_hover_btn (e): print ("why you hovering on me!") def on_longpress_btn (e): print ("you pressed me so long!") btn = ElevatedButton ( text="Click Me", on_click = on_click_btn, on_hover = on_hover_btn, on_long_press = on_longpress_btn ) page.add (btn) flet.app (target=main)

textfield = TextField ( value = "Look at me!\n\nI am a multiline Textfield!", min_lines = 3, max_lines = 3, multiline = True, border_width= 2, color = "white", text_size = 15 ) page.add (textfield)

import flet from flet import Page, Image, border_radius # load local image inside assets folder def main(page: Page): page.add (Image( src="photo.jpg")) flet.app( target=main, assets_dir="assets") # load remote image img = Image( src=f"https://picsum.photos/200/200", width=200, height=200, fit="none", # none, contain, cover, fill, fitHeight, fitWidth, scaleDown repeat="noRepeat", # noRepeat, repeat, repeatX, repeatY border_radius=border_radius.all(10), tooltip= "text displayed on hover image" ) page.add (img) # cache buster import time img = Image(src=f"https://picsum.photos/200/200?ts={time.time()}") page.add (img) # display Base-64 encoded image page.add(Image(src_base64 = "iVBORw..."))

import logging logging.basicConfig(level=logging.DEBUG)

# https://flet.dev/docs/guides/python/keyboard-shortcuts import flet from flet import Page, KeyboardEvent def main (page:Page): def on_keyboard (e: KeyboardEvent): keypressed = f"Key: {e.key}, Shift: {e.shift}, Control: {e.ctrl}, Alt: {e.alt}, Meta: {e.meta}" print (keypressed) page.on_keyboard_event = on_keyboard page.update() flet.app (target=main)

# scroll page as items added page.scroll = "auto" page.auto_scroll = True # open url in browser page.launch_url (url) # go to route  page.go (route) # set clipboard page.set_clipboard ("This paste comes from flet!") # runtime environment page.web # True/False if running in web browser page.platform # OS system running on ios, android, macos, linux, windows page.pwa # True/False if running as Progressive Web App (PWA) # window resize handler def page_on_resize(e): print (f"Resize {page.window_width},{page.window_height}") page.on_resize = page_on_resize

# left indent padding = padding.only (left=43) # top and left indent padding=padding.only (left=8, right=8), # no spacing between children control.spacing = 0

# start (left), end (right), center, spaceBetween, spaceAround, spaceEvenly page.vertical_alignment = "center" page.horizontal_alignment = "center" 

# expand = True will expand item to fill available space in its parent layout control col = Column ([Text ("Im at top", expand=True), Text ("Im at bottom")], expand=True) row = Row ([Text ("Im at left", expand=True), Text ("Im at right")], expand=True) 

# center window page.window_center() # close window page.window_close() # window_destroy() page.window_destroy() # window resize handler def page_on_resize(e): print (f"Resize {page.window_width},{page.window_height}") page.on_resize = page_on_resize # window event listener # close, focus, blur, # maximize, unmaximize, minimize,  # restore, resize  # resized (macOS and Windows only)  # move, moved (macOS and Windows only) # enterFullScreen, leaveFullScreen  def win_on_event (e): print (f"win_event: {e.data}") page.add (Text (e.data)) page.update() page.on_window_event = win_on_event

# title page.title = "Flet Rocks!" # set app window title (desktop and web)  # show window page.window_opacity = 1.0 page.update() # hide window page.window_opacity = 0.0 page.update() # window position on desktop page.window_top = 0 page.window_left = 0 # window size page.window_width = 500 page.window_height = 500 # locking in place and always on top page.window_always_on_top = True page.window_movable = True # window min and max resize  page.window_resizable = True # False prevents resizing page.window_min_width = 200 # resizing window limit page.window_min_height = 200 page.window_max_width = 500 # resizing window max page.window_max_height = 500 # minimize or maximize window  page.window_minimized = False # True = minimizes, False = restores page.window_maximized = True # False = unmaximize # customize window chrome page.window_frameless = True page.window_opacity = 0.5 # 0.0 (fully transparent) 1.0 (fully opaque) page.window_title_bar_hidden = True # see also WindowDragArea page.window_title_bar_buttons_hidden = True # macOS only  page.window_minimizable = True # show or hide minimize button # showing / hiding window page.window_visible = True # True = show app window. False = hide flet.app(target=main, view=flet.FLET_APP_HIDDEN) # start app hidden # misc page.window_full_screen = True # switch to fullscreen mode page.window_focused = True page.window_title_bar_hidden = True page.window_skip_task_bar = True # hide app from the Task Bar / Dock page.window_progress_bar = 0.5 # show half a proress bar on Task Bar / Dock page.window_prevent_close = True # intercept native close signal