Wsrtjtyk

I'm new to kivy, and I'm to write a viewer app.
Currently I'm working on the design alone, but I'm getting the following error:
line 239, in create_view
view_instance = cls(**item_args) TypeError: 'kivy.weakproxy.WeakProxy' object is not callable

Sharing my code:

bins_player.py:

import kivy

import glob

from os import path

import tkinter as tk

from kivy.app import App

from tkinter import filedialog

from kivy.core.window import Window

from kivy.uix.boxlayout import BoxLayout

from kivy.properties import ObjectProperty

from kivy.uix.gridlayout import GridLayout



kivy.require('1.9.0')



class FilesPanel(GridLayout):

    frames_list = ObjectProperty()



    def open_files(self):

        root = tk.Tk()

        root.withdraw()



        self.load_files(filedialog.askdirectory(parent=root,initialdir="/", title='Please select a directory'))



    def load_files(self, selected_folder):

        all_bin_files = glob.glob(path.join(selected_folder, '*.bin'))



        for bin_file in all_bin_files:

            self.frames_list.adapter.data.extend([bin_file])

            self.frames_list._trigger_reset_populate()





class BinsPlayerMain(GridLayout):

    pass





class Bins_PlayerApp(App):

    def build(self):

        Window.clearcolor = (1, 1, 1, 1)

        self.title = 'Bins Player'

        self.icon = 'BinsPlayer.ico'

        return BinsPlayerMain()





if __name__ == "__main__":

    Bins_PlayerApp().run()

bins_player.kv:

#: include ui/filespanel.kv



<BinsPlayerMain>:

    rows: 2



    GridLayout:

filespanel.kv:

#: include force ui/sectiontitle.kv

#: import ListAdapter kivy.adapters.listadapter.ListAdapter



<FilesPanel>:

        id: filesPanel

        frames_list: frames_list_view

        rows: 2

        size_hint_x:  None

        width: 200



        ListView:

                id: frames_list_view

                rgba: .2, .2, .2, 1

                adapter:

                        ListAdapter(data=, cls=filesPanel)



        Button:

                size_hint_y: None

                height: 30

                spacing: 10

                text: 'Open Folder'

                on_press: filesPanel.open_files()

I'm getting this error right after I'm opening a folder - after the ListView gets updated.

What could be the problem here?

I saw a new layout called ResycleView - can this be used here instead of the ListView?