[Question] Tabs in view

[LuciferEwah]

Question

I'm encountering an issue with the flet library in my Python code. I'm trying to create tabs with views using ft.View, but I'm getting an "Exception: Unknown control type: view" error. I've checked my code, and it seems like the ft.View class should be valid. This is for a larger project, but I wanted to start with an isolated test. Could someone please help me understand why I'm getting this error and how to resolve it?

Code sample

import flet as ft
import logging

logging.basicConfig(level=logging.DEBUG)


def main(page: ft.Page):

    # Crear instancias de las vistas que deseas agregar a las pestañas
    view1 = ft.View('/view1', controls=[ft.Text("Contenido de la Vista 1")])
    view2 = ft.View('/view2', controls=[ft.Text("Contenido de la Vista 2")])
    view3 = ft.View('/view3', controls=[ft.Text("Contenido de la Vista 3")])

    # Crear las pestañas y agregar las vistas como contenido
    t = ft.Tabs(
        selected_index=0,  # Índice de la pestaña seleccionada inicialmente
        animation_duration=300,
        tabs=[
            ft.Tab(
                text="Tab 1",
                content=view1,
            ),
            ft.Tab(
                tab_content=ft.Icon(ft.icons.SEARCH),
                content=view2,
            ),
            ft.Tab(
                text="Tab 3",
                icon=ft.icons.SETTINGS,
                content=view3,
            ),
        ],
        expand=1,
    )

    page.add(t)  # Agregar las pestañas a la página principal

if __name__ == '__main__':
    ft.app(target=main)

Error message

DEBUG:flet_runtime:_on_message: {"action":"pageEventFromWeb","payload":{"eventTarget":"page","eventName":"error","eventData":"Exception: Unknown control type: view"}} 
DEBUG:flet_core:page.on_event: page error Exception: Unknown control type: view

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• I have searched for answers to my question both in the issues and in previous discussions.

[ndonkoHenri]

View is actually not meant to be used as such. It is mainly for routing and navigation purposes.
See this for more.

As content of your Tab, you should check other controls such as Row, Column etc.

[LuciferEwah]

thanks you