Kivy boxlayout minimum height if I change it's size_hint to suppose 0. In Kivy, the ScrollView widget allows users to scroll content in both vertical and horizontal directions. minimum_height for a BoxLayout, you must ensure that the heights of its children are well defined. It is basically used to develop the Android application, but it does not mean that it can not be used on Desktops applications. In this example, one child has size_hint_y controlled (. active_norm_pos Switch. Mar 27, 2024 · BoxLayout Widget Kivy has several layouts for keeping widgets in their proper locations in an app. 8 :attr:`minimum_size` is a :class:`~kivy. It is read only. minimum_width ¶ May 19, 2024 · The code imports necessary modules and classes from Kivy, It defines a class at name of ScrollViewApp that inherits from App, and overrides the build () method to create the application UI. For example: BoxLayout # BoxLayout: size_hint_y: None height: self. load_string(''' <RV>: viewclass: 'Label' RecycleBoxLayout: default_size: None, dp(56) default_size_hint: 1, None size_hint_y: None height: self. The controlled dimension’s size is calculated depending upon the total no. We'll also look at how to set the default height and width of columns and rows in the the Jul 20, 2020 · orientation: 'vertical' BoxLayout: id: actionbar_layout size_hint_y: None # size the box layout to contain the action bar height: 48 # width of the action bar in line with the minimum dimensions of the icons ActionBar: id: status_actionbar Nov 8, 2019 · I think the problem is that you need to set the height of either the Labels or the TextInputs that are in the BoxLayouts. width: int Width of the window. minimum_height¶ Automatically computed minimum height needed to contain all children. . :attr:`spacing` is a :class:`~kivy. minimum_width ¶ It is read only. active Switch. spacing Bubble Button Camera Carousel CheckBox Code Input Color Picker Drop-Down List EffectWidget FileChooser Float Layout Gesture It is read only. VariableListProperty` and defaults to [0, 0]. primaryColor Rectangle: pos: self. r/kivy Current search is within r/kivy Remove r/kivy filter and expand search to all of Reddit Default value of orientation property is 'lr-tb'. padding ¶ Sep 3, 2012 · First of all, if they are some system differences, I work on Ubuntu 12. padding BoxLayout. boxlayout import BoxLayout from kivy. boxlayout module to import BoxLayout widget. minimum_size¶ Automatically computed minimum size needed to contain all children. PageLayout Relative Which basically will set the boxlayout height to the sum of child heights (and you can do the same for width/minimum_width) Note I use dp for densitiy independent pixels, see kivy. '''minimum_size=ReferenceListProperty(minimum_width,minimum_height)'''Automatically computed minimum size needed to contain all children. Self. NumericProperty` and defaults to '90sp class kivy. 8 :attr:`minimum_height` is a :class:`kivy. Layout s are used to calculate and assign widget positions. padding StackLayout. Events: on_previous Fired when action_previous of action_view is That is because boxlayout controls the size_hint_y when orientation is vertical and size_hint_x when orientation is ‘horizontal’. minimum_height CheckBox_Area: List_Area: size_hint: 5, None # Note that `size_hint_x` value should be between 0 and 1 otherwise you may get unexpected result. minimum_width BoxLayout. BoxLayout Float layout: kivy. minimum_size is a ReferenceListProperty of (minimum_width, minimum_height) properties. remove_widget() BoxLayout. uix module contains classes for creating and managing Widgets. label import Label from kivy. Looks like book reader. lang import Builder kv = """ AnchorLayout: TextInput: size_hint: None, None size: dp (200), dp (30) padding: dp (5) multiline: False """ class SizeTIApp (App): def build (self): return Builder. It is sized: BoxLayout: orientation: 'vertical' id: sv_box size_hint_y: None height: self. I'm looking for a way to automatically "shrink wrap" the FloatLayout - that is, I want to reduce it's size to the minimum width/height needed to contain all of its children widgets. FloatLayout: Widgets are essentially Jan 20, 2022 · Every children of ScrollView should have at least one explicit size value (s) (depending on the scrolling direction). As the page grows I expect self. FloatLayout: Widgets are essentially unrestricted. button When you use size_hint_y: None and height: self. height: int Height of the window. Jun 29, 2022 · MDBoxLayout -> Widget width and height doesn't work ! kivy/kivymd Asked 3 years, 4 months ago Modified 3 years, 4 months ago Viewed 377 times Automatically computed minimum size needed to contain all children. gridlayout. The scrollview requires a sized object. Each of the widgets contained can have the size_hint specified for them. minimum_size StackLayout. minimum_height part is evaluated when that python statement is executed, and the height is not updated later when children are added to the BoxLayout. texture_size[1] + 10 text: "Name of item: " TextInput: size_hint_x BoxLayout: size_hint_y: None height: self. size minimum_height ¶ Automatically computed minimum height needed to contain all children. row_force_default is a BooleanProperty and defaults to False. Jan 17, 2022 · Whenever a layout is offering properties like minimum_height, minimum_width, that means it will automatically compute the minimum height (or width) required to contain all its children. touch_control Switch. minimum_height is an attribute of BoxLayout, not TextInput. when a smaller size would be set, size_hint_min_y is the value used instead for the widget height. @Lemiwinks – FJSevilla CommentedJul 17, 2017 at 13:52 Nov 23, 2020 · But when I am using a Boxlayout the size of the MDTextField seems not to change . minimum_height size: root. minimum_height i s a NumericProperty and defaults to 0. metrics class ActionItem(object): ''' ActionItem class, an abstract class for all ActionBar widgets. orientation StackLayout. touch_distance TabbedPanel Simple Following are Kivy layout widgets that help developers to manage the layout of a user interface: BoxLayout: children are arranged next to each other either in vertical or horizontal direction. Contribute to Joan631/SOSO development by creating an account on GitHub. minimum_width is a NumericProperty and defaults to 0. on_touch_move() Switch. setter('height')) for i in range(100): btn Jul 17, 2017 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, How do I adjust width and height of a widget according to text in widget ? I would also recommend using kv, this simplifies a number of things - most importantly the biding for minimum_height is handled automatically. minimum_height ¶ Added How do I set minimum allowable width/height for widget/layout in Kivy?，程序员大本营，技术文章内容聚合第一站。. app import runTouchApp layout = GridLayout(cols=1, spacing=10, size_hint_y=None) ## Make sure the height is such that there is something to scroll. The size_hint_x / size_hint_y of the children are taken into account. on_touch_down() Switch. size Widgets are elements of a graphical user interface that form part of the User Experience. minimum_height orientation: "vertical" BoxLayout: size_hint: 1,0. I dynamically add or remove from a table with some buttons. minimum_width StackLayout. graphics import Color, Rectangle from kivy. '''padding=VariableListProperty( [0 BoxLayout # BoxLayout class equivalent. size <Wid>: lab:lab but:but BoxLayout: height: self. Jul 11, 2025 · Kivy is a platform independent GUI tool in Python. add_widget() BoxLayout. 8 Automatically computed minimum width needed to contain all children. So here you want it to grow automatically in the vertical direction. Layouts are used to calculate and assign widget positions. New in version It is read only. We’ll also look at how to set the default height and width of columns and rows in the the GridLayout. The BoxLayout changes height on each Label addition. minimum_width ¶ Automatically computed minimum width needed to contain all children. But the problems in your code are, You have not specified the child (here Button) widget's height explicitly, instead you set size_hint_y to It is read only. BoxLayout ActionBar class, which acts as the main container for an ActionView instance. To get it to update, you need to add a binding, or you could specify it in kv (where bindings are added for you automatically). If no widgets have a size hint, the maximum size is used for all children. Before diving into the setup, it’s crucial to understand the core concepts behind Kivy’s implementation of Scroll Views, which line_height is the height of a single line of text. minimum/maximum_width/height then is it possible to set a widget. AnchorLayout Box layout: kivy. 1, . Aug 12, 2019 · I was expected that I was able to use the scroll, but the minimum_height seems that is always 0, and I don't want to give the exact height number by hand. i think there is a Boxlayout height problem. app import App Widgets are elements of a graphical user interface that form part of the User Experience. However, no matter what I try, the pos and pos_hint properties do not seem to affect the pla StackLayout. boxlayout. Feb 10, 2021 · Quick Start from kivy. That is the reason why you have no access to modify it. 5 = 1). minimum/maximum_width/height? For example: The idea is the box will auto fit the words inside (I can do that b minimum_height ¶ Automatically computed minimum height needed to contain all children. ActionBar(**kwargs) [source] ¶ Bases: kivy. 04, using current Kivy version. NumericProperty and defaults to 0. ''' minimum_width = NumericProperty('90sp') ''' Minimum Width required by an ActionItem. You should use one of the following layout classes: Anchor layout: kivy. I. PageLayout Relative minimum_height ¶ Automatically computed minimum height needed to contain all children. versionadded:: 1. height = self. recycleview import RecycleView Builder. minimum_width ¶ Minimum width needed to contain all children. width, None height: self. After that it creates a ScrollView widget with a fixed size and a BoxLayout container to hold multiple Label widgets. minimum_height ¶ Automatically computed minimum height needed to contain all children. the objects in it using clicks. Please refer to the Widget class documentation for further information. line_spacing ¶ Added in 1. ActionItem s are not added to this class directly, but to the contained ActionView instance. minimum_height is the minimum height to contain all child widgets inside it. line_height is a NumericProperty, read-only. Oct 7, 2018 · BoxLayout does have an attribute named minimum_height. 0 Automatically computed minimum size needed to contain all children. It is automatically set by the layout. Nov 2, 2019 · With variable size, I'm running into the same issue. NumericProperty` and defaults to 0. Box layout class. We use BoxLayout to place widgets vertically, one on top of the other or horizontally, one after the other. minimum_size BoxLayout. The initial size is given by the col_default_width and row_default_height properties. Should i use label for it? There is a WrappedLabel Class Code to wrap all words inside label (only an additional information). Now in this article, we will learn about the use of BoxLayout widget in kivy and how to add some features like color, size etc to it. properties import ListProperty from kivy. 3, 1 Rectangle The size here is width or height depending on the orientation of the box layout. Best way to prove it is to open up boxlayout. Would that sort of arrangement work? New in version 1. '''spacing=VariableListProperty( [0,0],length=2)'''Spacing between children: [spacing_horizontal, spacing_vertical]. window import Window from kivy. line_spacing is a NumericProperty and defaults to 0. Box Layout BoxLayout BoxLayout. ReferenceListProperty` of (:attr:`minimum_width`, :attr:`minimum_height`) properties. minimum_height, and set a manual size (size_hint_y: None and height: some_number) for each child widget. To create a custom widget for an ActionBar, inherit from this class. minimum_height for a BoxLayout, then the height of the BoxLayout is calculated by summing the heights of the children. See module documentation for more information. spacing Bubble Button Camera Carousel CheckBox Code Input Color Picker Drop-Down List EffectWidget FileChooser Float Layout Gesture minimum_height¶ Automatically computed minimum height needed to contain all children. BoxLayout is a simple yet effective layout that is frequently used in a nested or straightforward way. You can force the default size by setting the col_force_default or row_force Feb 16, 2023 · I want to add a guide text to my app. 0 :attr:`minimum_size` is a :class:`~kivy. minimum_width: int Minimum width of the window (only works for sdl2 window provider). lang import Builder from kivy. row_force_default − If True, ignore the height and size_hint_y of the child and use the default row height. 5/. row_default_height is a NumericProperty and defaults to 0. The kivy. bind(minimum_height=layout. size Label: id: lab Button: id: but <Win1> name:"win1" box1:box1 BoxLayout: height: self. boxlayout模块中定义。 I would also recommend using kv, this simplifies a number of things - most importantly the biding for minimum_height is handled automatically. ''' minimum_size = ReferenceListProperty(minimum_width, minimum_height) '''Automatically computed minimum size needed to contain all children. Kivy widgets can be categorized as follows: UX widgets: Classical user interface widgets, ready to be assembled to create more complex widgets. I know there i Understanding Scroll Views in Kivy Scroll Views are essential for apps that require navigation through a substantial amount of content, such as text or images. minimum_height orientation: 'vertical' ''') class RV(RecycleView): def __init__(self, **kwargs Sep 16, 2020 · In your code you are putting an unsized screen in a scrollview. The ActionBar determines the overall styling aspects of the bar. minimum_height StackLayout. 2 Button: text:"window 2" on_release: root. 8 Automatically computed minimum size needed to contain all children. However, no matter what I try, the pos and pos_hint properties do not seem to affect the pla Following are Kivy layout widgets that help developers to manage the layout of a user interface: BoxLayout: children are arranged next to each other either in vertical or horizontal direction. spacing also accepts a one argument form [spacing]. 7 then the textfield Having mode set to rectangle will become a line and if keep it to None and changes its height via height property the size doesn't increase. It seems that RecycleView is badly working with a BoxLayout of variable height. theme_cls. do_layout() BoxLayout. 在本教程中，您将学习如何使用Kivy-框布局Kivy框架提供了BoxLayout类，我们可以使用该类按顺序排列小部件。顺序由BoxLayout对象的orientation属性决定，可以是字符串：'vertical'或'horizo ntal'。BoxLayout类在kivy. minimum_height And the objects in the scrollview also have a fixed size: <InfoLine>: size_hint_y: None height: 48 Label: text: root. minimum_height canvas: Color: rgba: app. minimum_size ¶ Automatically computed minimum s ize needed to contain all children. 0. BoxLayout: size_hint_y: None height: self. minimum_height of the parent CreatePly layou When size_hint_y is not None, it is the minimum height that the widget will be set due to the size_hint_y. minimum_height, the clock issue doesn't happen (but of course I then don't have the desired behaviour). ScatterLayout Relatively similar to RelativeLayout. To customize the size of a single column or row, use cols_minimum or rows_minimum. FloatLayout Grid layout: kivy. BoxLayout: Widgets are arranged sequentially, in either a ‘vertical’ or a ‘horizontal’ orientation. :attr:`minimum_width` is a :class:`~kivy. ''' minimum_height = NumericProperty(0) '''Automatically computed minimum height needed to contain all children. tabs:: . minimum_size ¶ Automatically computed minimum size needed to contain all children. minimum_height is a NumericProperty and defaults to 0. floatlayout. For more information see in the DeclarativeBehavior and ThemableBehavior and BackgroundColorBehavior and BoxLayout and MDAdaptiveWidget classes documentation. load_string (kv Automatically computed minimum size needed to contain all children. from kivy. minimum_height orientation: 'vertical Sep 16, 2020 · In your code you are putting an unsized screen in a scrollview. minimum_height BoxLayout. scrollview import ScrollView from kivy. minimum_width ¶ Added in 1. minimum_size ¶ Added in 1. spacing Stencil View StencilView Switch Switch Switch. Jan 9, 2025 · Currently battling with Kivy nested layotus and scorll view. minimum I am searching for a way to animate my MDCard when expanding or collapsing. When size_hint_y is not None, it is the minimum height that the widget will be set due to the size_hint_y. GridLayout: Widgets are arranged in a grid defined by the Nov 8, 2019 · I think the problem is that you need to set the height of either the Labels or the TextInputs that are in the BoxLayouts. In the horizontal arrangement, all children have the same height as the parent BoyLayout widget. on_touch_up() Switch. Now in this article, we will learn about the use of BoxLayout widget in kivy and how to add some features Box Layout BoxLayout BoxLayout. code-block:: python from kivy. The container height adjusts dynamically based on its content, and 50 labels are added In this video I'll show you how to explicitly set the height and width of individual widgets with Kivy. height in the calculation, but the default value for height is always 100 until the layout is actually calculated. Sep 11, 2015 · 10 Don't use a BoxLayout, use a GridLayout with height: self. before: Color: rgba: . actionbar. always_on_top: bool When enabled, the window will be brought to the front and will keep the window above Nov 20, 2024 · I'm working on a Kivy app where I need to adjust the position and height of certain widgets dynamically. uix. Jul 11, 2025 · Kivy Tutorial - Learn Kivy with Examples. lang import Builder from random import randint KV = ''' <RVLabel>: size_hint_y: None text_size: self. You can freely translate, rotate, scale etc. py inside of your Kivy folder [docs] classGridLayout(Layout):'''Grid layout class. If I use fixed text, or if I use a fixed size in the BoxLayout height instead of self. size . button import Button from kivy. May 4, 2020 · But you can create the ScrollView and BoxLayout in kv, which makes it easier to change the height of BoxLayout based on its children. anchorlayout. minimum_height Label: size_hint_x:40 size_hint_y: None height: self. 0 :attr:`minimum_height` is a :class:`~kivy. In the example below, a BoxLayout is in the scrollview. pos size: self. boxlayout模块中定义。 It is read only. pagelayout. Dec 12, 2022 · col_default_width: (or cols_minimum: ) row_default_height: (or rows_minimum: ) PageLayout Layout which has more than one page. 8. Nov 2, 2020 · In this video I’ll show you how to explicitly set the height and width of individual widgets with Kivy. layout. core. 2, . Feb 16, 2023 · the height = self. So, you cannot use size_hint_y for the children of the BoxLayout. . ''' minimum_size = ReferenceListProperty(minimum_width, minimum_height) '''Minimum size needed to contain all children. My problem is that i'm unable to set layout size. GridLayout Page Layout: kivy. Then you can add MDLabels to the BoxLayout in Python. Thus the changes you need, BoxLayout: orientation: "horizontal" size_hint_y: None height: self. self. minimum_size ¶ Minimum size needed to contain all children. code-block:: kv BoxLayout: canvas: Color: rgba: app. In kivy there are many Types of Layouts: AnchorLayout: Widgets can be anchored to the ‘top’, ‘bottom’, ‘left’, ‘right’ or ‘center’. app import App from kivy. You would think that you could use the child. minimum_height is a kivy. size BoxLayout: size_hint_y: None height: self. I create labels and add it to boxlayout then add this boxlayout to gridlayout. In my example, when I click my MDIconButton I want an animation that slowly expands or collapses the card. e. Feb 4, 2022 · If we can set window. app import App class MyApp (App): def New in version 1. of children in the boxlayout. With the aid of the Widgets are elements of a graphical user interface that form part of the User Experience. Feb 16, 2023 · I want to add a guide text to my app. properties. RelativeLayout: Child widgets are positioned relative to the layout. tab:: KV . <Wid>: lab:lab but:but BoxLayout: height: self. 10. New in version 1. gridlayout import GridLayout from kivy. In the vertical arrangement, all children have the same width as the parent BoxLayout widget. height: self. Jun 29, 2022 · MDBoxLayout -> Widget width and height doesn't work ! kivy/kivymd Asked 3 years, 4 months ago Modified 3 years, 4 months ago Viewed 377 times the label with text should get 40% of the screen width and its entry_layouts height should depend on the text height. Simplifies working with some widget properties. ???????? Kivy Tutorial - Learn Kivy with Examples. Therefore, you are not suppose to modify minimum_height in BoxLayout To prevent such modification, Kivy has made it as read only. New in version 1. 0 Automatically computed minimum width needed to contain all children. We use the kivy. orientation BoxLayout. GridLayout Jun 22, 2024 · from kivy. 0 Space taken up between the lines. minimum_height: int Minimum height of the window (only works for sdl2 window provider). I know that in a box or stack layout, this can be done by setting self. label_text small project . AnchorLayout: Widgets can be anchored to the ‘top’, ‘bottom’, ‘left’, ‘right’ or ‘center’. addw() ScrollView: GridLayout: id:box1 orientation: "vertical" spacing: 2 A minimal example might look something like this:: from kivy. app import runTouchApp layout = GridLayout(cols=1, spacing=10, size_hint_y=None) # Make sure the height is such that there is something to scroll. minimum_height (and likewise for width). row_default_height − Default minimum size to use for row. The Layout class itself cannot be used directly. Ive tried several bindings but I can't make it work. switch() Button: text:"add wid" on_release: root. texture_size[1] canvas. Which is automatically computed minimum height needed to contain all children. As it can be run on Android, IOS, Linux and Windows, etc. Yeah that's right. size It is read only. tab:: Python . addw() ScrollView: GridLayout: id:box1 orientation: "vertical" spacing: 2 from kivy. primary_color Rectangle: pos: self. My solution is to set the size of the Labels and set the size_hint_y for the BoxLayouts to None: BoxLayout: size_hint_y: None height: self. Thank you so much For example: BoxLayout --------- . Use minimum_height, which also includes padding, to get the height required to display the text properly. orientation ¶ Orientation of the layout. It is most usable on mobile devices. BoxLayout is like storing the boxes one above another or one next to another, but not both the schemes in a single layout instance. Code and Logs New in version 1. If height is going to work, you need to remember to size the size_hint to None. StackLayout Fairly similar to Nov 25, 2020 · Whenever you use self. wmhjqxqdnmjhgczuzylahrjpdomzchtgqrkeslszpamamkdjnuojvcpkbnndyxkejymlqmrut