Code Mastery Guides

Your Journey to Mastering Programming Languages: Where Knowledge Meets Code

Programming

Understanding Shared Preferences in Android ~ Kotlin and Java

Introduction: When developing Android applications, it’s common to need a way to store small pieces of data persistently. In this blog post, we delve into the realm of SharedPreferences, a powerful tool tailored for handling small, persistent data in Android applications. Throughout this exploration, we’ll unravel the process of creating SharedPreferences, assigning values to them, […]

EditText in Android Kotlin: Complete Guidelines

Introduction: In the world of mobile applications, acquiring user input stands as an essential aspect. Within the domain of Android native programming, EditText emerges as the go-to component for seamlessly gathering input from users. EditText, a subclass of the View class in Java and Kotlin programming, plays a vital role in obtaining user input. Whether […]

How to clear an EditText in Android Java/Kotlin

Introduction: When working with Android development, you often come across scenarios where you need to clear the text in an EditText widget. This could be necessary when implementing a “Clear” button or resetting the input for a better user experience. In this blog post, we’ll explore a straightforward method to clear an EditText in Kotlin. […]

Array List in Android Kotlin: A Comprehensive Guide

Introduction: An ArrayList in Kotlin is a resizable array implementation of the List interface. Unlike traditional arrays, an ArrayList can dynamically grow or shrink in size, making it a versatile choice for handling collections of data. It is part of the Kotlin Standard Library and provides numerous methods for manipulating and accessing elements efficiently. Creating […]

How to clear a list in Java & Kotlin: Basic Understanding

Introduction: Lists are a fundamental data structure in programming, allowing us to store and manipulate collections of elements. Many times, we need to clear our list and add some more elements to it. In this blog, we will learn about how to clear a list and remove all elements from an array list in Java […]

How to check the type of a Variable in Kotlin

Introduction: Kotlin, being a statically typed programming language, provides a robust type system that ensures type safety and prevents runtime errors. In certain scenarios, you may need to check the type of a variable to make decisions or perform specific operations. In this blog post, we’ll explore various ways to check the variable type in […]

How to Calculate Power in Kotlin: Basic Understanding

Introduction: Mathematics plays a crucial role in programming, and one fundamental mathematical operation often encountered is exponentiation, or raising a number to a certain power. In this blog post, we will delve into the concept of power and explore various ways to calculate it using the Kotlin programming language. What is Power in Mathematics: Power […]

How to call Kotlin functions or methods from Java

Introduction: In Android development, Kotlin and Java are crucial languages. Often, we need to call Kotlin methods from Java and vice versa. This blog guides you on how to smoothly achieve this bidirectional communication, enabling seamless integration of Kotlin and Java in your Android projects. Call Kotlin function from Java: Step 1: Create a new […]

How to center text in Android Kotlin

Centering text is a common requirement in Android app development, and Kotlin offers several methods to achieve this. In this blog post, we’ll explore different approaches to center text in your Android application. Click Here to learn more about Kotlin Programing language. Using XML Layouts: Centering text in Android becomes simple with this simple method, […]

How to avoid findViewById in Android Kotlin

Introduction: In the dynamic world of Android development, staying up-to-date with the latest practices can significantly enhance your coding experience. One such improvement is the introduction of View Binding in Kotlin, which offers a more robust and type-safe alternative to the traditional findViewById method. In this blog post, we’ll explore why you should consider avoiding […]

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