Disable kivy button using .kv file
In this article, we will learn how to disable a button in kivy using .kv file, there are some places where we need to disable the buttons. Let’s see how to do that.
The Button is a Label with associated actions that are triggered when the button is pressed (or released after a click/touch). We can add functions behind the button and style the button.But to disable the button we have a property name :
disabled that must be true
this property will help in disabling the button i.e. button will be there but is of no use as it is disabled no functionality of button will work.
In this article we have used Relative Layout to set the position of both working and disabled button relative.
Note: disabled property was introduced in version 1.8.0. If you want to use it you need to actualize your framework.
Basic Approach to disable a button 1) import kivy 2) import kivyApp 3) import Widget 4) import Button 5) Set minimum version(optional) 6) Create widget class: 1) Arrange a callback 2) Define Callback function 7) create App class 8) create .kv file (name same as the app class): 1) create Widget 2) Create Button 3) Specify requirements 4) Disable button true if required 9) return Layout/widget/Class(according to requirement) 10) Run an instance of the class
.kv file implementation of the approach
Here, B1 is disabled and B2 is working.