Performance-optimization tips for apps while rendering the views — In this article, we’re going to see an overview of how the view we created in XML gets rendered on the screen in pixels. Making a great-performing app is only possible by knowing what’s going under the hood. If you don’t know what the hardware is doing, you have a…

How to get the list of apps installed on the device — a solution that works on all Android versions — Introduction In this article, we’ll explore different ways to get the list of installed applications on a device inside our app. Then explore different restrictions imposed on the approaches by the android team in the last couple of years. …

Check out recent trends in Android interviews Introduction Interviews are one of the scariest for most of us and the most interesting things for a job switch. They are the gateways for our new journeys in job life. In this post, I will share my experiences in interviews with lots of…

Learn how to start writing unit tests in Android — In mobile application development, we have many trending things which are in progress like MVVM, Jetpack, KMM(Kotlin Multiplatform), etc. Testing is one of the important and preferred things nowadays. Testing has become a crucial factor in development. There are multiple strategies for app testing. In most of the interviews, the…

What is TaskStackBuilder and why do we need it? — Introduction When we press an app icon and open an app it displays an Activity with UI where we can navigate further between fragments or activities. When we navigate between different activities the system stores them in a stack and this stack of Activities can be defined as Task. …

A look at Jetpack’s one-stop solution for all deferred tasks — Introduction As part of app development, we do background tasks like syncing the local database with the server, prefetching some data from an API, etc. When we say background job which means the app is not live and we are trying to do some stuff by consuming the system resources like…

Understand Process, Tasks, and Back Stack — Introduction Building an Android app is easy. But building good-performing apps under various use-cases will be brilliant. So if you have an Android Studio downloaded there is nothing that we need but few clicks to follow to create a project and install an app by running the project. On the other…

An easy and simple authentication process for apps via firebase — Introduction Nowadays authentication has become common in almost all apps. And many of us know it would be like an overhead for beginner developers to learn and start working on the complete authentication flow from the client and server-side. Also, small start-ups at the earliest point might not be interested to…

A Jetpack recommended solution for storing data using Protobufs that provides type safety — Introduction SharedPreferences the common way used for storing key-value pairs in local storage. Datastore is a replacement to SharedPreferences to overcome its shortcomings. Datastore is an advanced data storage solution that was built using Kotlin coroutines and Flow to store data asynchronously, consistently, and transactionally. There are two ways to store…