Recently, Android has provided LifecycleObserver interface to observe Application lifecycle events easily. But I have seen on Stackoverflow that few developers are still struggling in using ‘LifecycleObserver‘ interface. This tutorial will help you to understand how to listen, Application Lifecycle Events. Using ‘LifecycleObserver‘ interface we can easily receive Application Lifecycle Events in Android. Following is […]
Pick Image From Gallery in Kotlin – Android
This article contains a step by step guide to pick an image from the Gallery in Kotlin Android. Before starting, add the following READ_EXTERNAL_STORAGE permission in your Manifest.xml file above the application tag. You also need to add Runtime permissions for API Level 19 & above. This article will help you to Ask Runtime Permissions […]
Resize Bitmap by Keeping the Same Aspect Ratio in Kotlin – Android
In Android, we use the Bitmap class to store images. Following is a utility method that would help you to resize Bitmap by keeping the same aspect ratio in Kotlin. Following is the Kotlin solution. Those who are looking for the Java solution can visit How to Resize a Bitmap by Keeping the Same Aspect Ratio in […]
How to Resize a Bitmap by Keeping the Same Aspect Ratio – Android
In Android, we use Bitmap class to store images. This class contains many functions to apply different operations on images. But there is no builtin method to resize images by keeping the same aspect ratio. Here, I am sharing that utility function to resize a bitmap by keeping the same aspect ratio. Following is the […]
Utility Method to Replace Email Addresses with Asterisks(*) in a String – Java
Recently I came across a problem when I was needed to replace all email addresses in a String with asterisks(*). I have written a Utility Method to Replace Email Addresses with Asterisks in a String in Java. That functions are the following. This is how you can call this Utility method. In the above methods, […]
Utility Method to Get All Email Addresses From a String in Java
Recently I came across a problem when I was needed to get ArrayList of all Email Addresses from a String in java. I’ve decided to write this article to share it with other developers. In this function java.util.regex.Matcher and java.util.regex.Pattern classes are used. First, you need to know about the regular expression to match the […]
RecyclerView with Multiple View Types – Chat App Example
As we all know that RecyclerView is a UI component to show lists in Android. In this tutorial, you will learn, How to create a RecyclerView with Multiple View Types in Java Android. It’s is a chat App example. In this example, 2 types of views (text message in and out) are considered. Following is the step […]
Custom Adapter with Multiple View Types for RecyclerView in Kotlin – Android
As we all know that RecyclerView is a UI component to show lists in Android. In this tutorial, you will learn, How to create a Custom RecyclerView Adapter with Multiple View Types in Kotlin Android. Following is the sample RecyclerView Custom Adapter. It includes multiple view types and written in Kotlin. But if you are looking for […]
RecyclerView Custom Adapter with Multiple View Types in Java – Android
As we all know that RecyclerView is a UI component to show lists in Android. In this tutorial, you will learn, how to create a Custom RecyclerView Adapter with Multiple View Types in Java Android. Following is the general RecyclerView Adapter with multiple view types. But if you are looking for a use case with […]
Hibernate + Mysql Using Enums
Here in this article, I am going to explain how to match/map Enum in Hibernate with MySQL data type. Enum can be mapped to a TINYINT but there is a catch here. First, let us see how we can map Enum to TINYINT. First Define Enum Define Enum type in hibernate entity This will map […]