how to make the treeview label in kivy visible background color

Question

I am trying to make my treeview label visible, I mean when I do tree view and run and expand the tree, I can see the problem is that other UI element like text input is visible and I don't want that and I can't make the selection if it's above text input

from kivy.uix.treeview import TreeViewLabel,TreeView, TreeViewNode
from kivy.app import App
from kivy.uix.textinput import TextInput
from kivy.uix.boxlayout import BoxLayout
class Accounting(App):
    def build(self):
        tree=TreeView(hide_root=True)
        root=tree.add_node(TreeViewLabel(text='choose'))
        for a in range(100):
            tree.add_node(TreeViewLabel(text=str(a),even_color=(0,0,0,0)),root)
        # if you try here to change the color visibility the numbers will appears but you can't select it
        textinput=TextInput(hint_text='textinput',foreground_color=(1,1,1,1),background_color=(0,0,0,0))
    
        layout=BoxLayout(orientation='vertical')
        layout.add_widget(tree)
        layout.add_widget(textinput)

        return layout

Accounting().run()

Answer 1

Try something like this. It is not necessary to hide the text field, but it looks better to me

from kivy.app import App
from kivy.uix.treeview import TreeViewLabel
from kivy.lang import Builder

KV = """
FloatLayout:
    TextInput:
        id: text_field
        size_hint_y: None
        pos_hint: {'center_y': 0.5}
        height: self.minimum_height
        
    ScrollView:
        TreeView:
            id: tv
            size_hint_y: None
            height: self.minimum_height
            hide_root: True
            on_node_expand: app.hide(True)
            on_node_collapse: app.hide(False)
"""


class Accounting(App):
    def build(self):
        return Builder.load_string(KV)

    def on_start(self):
        root = self.root.ids.tv.add_node(TreeViewLabel(text="Choose"))
        for a in range(100):
            self.root.ids.tv.add_node(TreeViewLabel(text=str(a)), root)

    def hide(self, hide):
        if hide:
            self.root.ids.text_field.foreground_color = (1, 1, 1, 1)
            self.root.ids.text_field.background_color = (0, 0, 0, 0)
        else:
            self.root.ids.text_field.foreground_color = (0, 0, 0, 1)
            self.root.ids.text_field.background_color = (1, 1, 1, 1)


Accounting().run()