Variables, Events and Control Flow in Kodular

Variables, Events and Control Flow in Kodular: With Kodular, users may build mobile applications without having any prior experience with conventional programming languages. Despite the visual approach, it’s still necessary to comprehend some fundamental programming ideas in order to utilize Kodular efficiently. Variables, events, and control flow are three significant concepts that will be covered in this session.

Understanding Basic Programming Concepts: Variables, Events and Control Flow


In your programme, variables can be utilized as placeholders for values. By dragging and dropping the “global variable” block from the Blocks menu’s “Variables” section, you can create a variable in Kodular. Once a variable has been made, you can refer to it by name in different places in your application.

Fox example: Consider the scenario where you wish to develop an application that determines the area of a rectangle. You might define the terms “length” and “width” as two variables, and then use those terms in your calculation.

In this example, “length” and “width” are two variables that we’ve constructed and then used to determine the area of a rectangle. We can quickly update the rectangle’s length and width using variables without having to alter the calculation itself.


Events are activities that cause particular code blocks to run. By dragging and dropping the relevant block from the “Control” menu in the Blocks menu, you may create an event in Kodular. The phrases “when Button1.Click,” “when Screen1.Initialize,” and “when Timer1.Timer” are examples of frequent occurrences.

Let’s take the example of wanting to develop an application that shows a message when the user touches a button. The message could be sent by using the “when Button1.Click” event.

When the user pushes the button in this example, a message is sent as a result of the “when Button1.Click” event. Events allow us to build interactive programmes that react to user interaction.

Control Flow

The sequence in which your program’s code blocks are executed is referred to as the control flow. In Kodular, you can use blocks like “if-then-else,” “for each item in list,” and “while” to manage the flow of your application.

As an illustration, suppose you wish to develop an app that determines whether a number is even or odd. An “if-then-else” block could be used to manage the program’s flow.

In this case, determining if a number is even or odd was accomplished using a “if-then-else” block. We can write programme that take decisions based on certain circumstances by employing control flow.


Three fundamental programming ideas—variables, events, and control flow—are crucial for writing efficient Kodular applications. Understanding these ideas will enable you to develop more sophisticated and interactive programme that react to user input and take decisions in response to certain circumstances.


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