Android App Development

Chapter 2. Looper and Queue — Chapter 1 Chapter 2 Chapter 3 Chapter 4 Intro In Chapter 1 we have chosen a Looper and Queue as a high-level design for notifications framework and declared the contracts and public API for it. This chapter is focused on Looper and Queue implementation details.

Chapter 4. Notifications sources — Chapter 1 Chapter 2 Chapter 3 Chapter 4 Intro At this point we have an infrastructure to robustly show notifications. Now we are ready to declare ‘clients’ for this infrastructure. Initially we decided to support 3 type of notifications sources : Remote Triggered Scheduled This final chapter is unveiling implementation details…

Chapter 3. Notifications appearance — Chapter 1 Chapter 2 Chapter 3 Chapter 4 Intro In Chapter 2 we provided a robust mechanism for queueing notifications. The system is able to persist notifications and fetch it with a given interval. This chapter is focused on showing notifications to a user.

A splash screen is the first screen that appears when an Android application launches. It is used to show a progress indicator or display some important information about the application before it becomes ready for use. This can help to improve the user experience as they wait for the app…

What is this? Compose Destinations, created by Rafael Costa, is an intuitive navigation library for Jetpack Compose that makes navigation easier. Setup Open the :app/build.gradle and follow the next steps. 1. Add the KSP plugin plugins { // Depends on your kotlin version id 'com.google.devtools.ksp' version '1.8.0-1.0.8' } 2. Add the dependencies Check the versions here dependencies { implementation 'io.github.raamcosta.compose-destinations:core:<version>'…

I’m going to share with you the best resources that you as an Android Developer are going to need if you are planning to stay up with date with all new technologies, API’s, news and more. Introduction Being up to date in Android world has always been a challenge. We developers…

Kotlin provides two mechanisms for defining a blueprint for classes: abstract classes and interfaces. Both abstract classes and interfaces play important roles in object-oriented programming, but they have different use cases and features. Though in Kotlin, the difference between them is more blurry because: Interfaces can have method bodies too. …

The ViewModel class is part of the Android Architecture Components library, introduced in 2017. ViewModel is designed to store and manage UI-related data in a lifecycle-conscious way. The purpose of ViewModel is to provide data to the UI and survive configuration changes such as screen rotations. ViewModel is not tied…