In this article, we will learn how to Save And Retrieve Class Object From Shared Preferences Using Gson Library in Kotlin. Many times, we need to save an instance of a class that has only fields like Int, Long, Float, Double, String, Boolean and objects of different classes. We use the GSON library that helps us to convert the model class to […]
Regex in Kotlin Android Studio
In this article, we will learn about Regex in Kotlin. Regex is used to refer to a regular expression that is used to search a string or replace a pattern in a String. To use it, we need Regex(pattern: String) class and Kotlin.regex.text package. Constructor Regex(pattern: String) It will give string pattern. Regex(pattern: String, option: […]
How to Validate an Email Using Kotlin in Android
In this article, we will learn how to Validate an Email Address using Kotlin in Android. Firstly, we have to create a function that will check and validate the email addresses. We can do email validation in two different ways. By using a regular expression or Regex and by using the Android utility class. Example of Regular Expression We […]
Reset Password Activity in Android Studio Kotlin & Java
In this tutorial, I will show how to create a Reset Password Activity in Kotlin & Java in an easy, adjustable way. In our Activity code, we will also perform validation for the user inputs. At the end of this tutorial, the following screen will be designed. The user will view 4 digits input fields […]
Forgot Password Activity in Android Studio Java & Kotlin
Today, we will design a Forgot Password Activity in Android Studio in both Kotlin & Java Android Programming languages. In this article, we are going to use Google Material Design guidelines to design the UI. We will also perform the validation of the inputs. You can use this code as a utility while designing Login Screens in […]
Check if the Internet is Connected in Kotlin
Today we will discuss how to check Internet Connection availability from your Android applications. This is a step-by-step Tutorial in the Kotlin language. Let’s learn How To Check the Internet is Connected in Kotlin. Determine the Status of Internet Connection In android, we can determine the internet connection status easily by using the method of ConnectivityManager object. Following is the […]
Utility Class to Show Loading Dialog in Kotlin
Today we are going to discuss how to Show Loading Dialog in Kotlin anywhere in the application with a simple utility class. You can add this Utility Class to Show Loading Dialog in the Kotlin project. You can simply copy and paste the code into your class and use it right out of the box. […]
Method to Get last n Characters of String in Kotlin
In this article, you will find a very simple method that will help you to get the last n (1, 2, 3, 4, …) characters from a String in Kotlin. This method is simple, it will just take String and Integer count as a parameter and returns another string containing the last specified number of characters. In […]
Show Alert Dialog With an Input Field (EditText) in Android Kotlin
Today we are going to discuss how to show an alert dialog with an input field (EditText) in Android Kotlin. In this article, you will learn a lot about an AlertDialog. Description Actually Android doesn’t have the built-in dialog to do this. Fortunately, this is just a little extra work on top of creating a […]
Find Distance Between Two Locations in Kotlin
Most of the applications use Google Maps due to indicate places on Google Maps. We can use it to find the distance between two locations having coordinates latitude and longitude for those locations. But that gives by road distance. But in some scenarios, we only have to find a straight line distance between 2 latitudes […]