Dynamically load your AWS Cognito amplify configuration in Android at runtime with BuildConfig. No hardcoded Json with full flexibility across environments. Learn how to inject pool IDs, client IDs, regions, domains at runtime using BuildConfig and secure local properties.
Discover a streamlined approach to Android secret management: define keys in a versioned template, inject local.properties secrets into Gradle BuildConfig, validate missing keys to fail fast, enable reliable local builds and secure CI/CD workflows using GitHub Actions secrets.
Discover how upgrading to AndroidX Navigation transforms your Compose navigation from fragile string routes into a type‑safe DSL. This guide walks through defining serializable route types, rewriting NavHost, refactoring actions, integrating ViewModels, and simplifying navigation.
This comprehensive guide walks you step-by-step through setting up a secure authentication system using AWS Cognito integrated with Google Sign-In, validated using JWT tokens in a Kotlin-based Spring Boot backend, suitable for backend beginners.
Ensure clean, consistent Kotlin code with Ktlint. This guide covers setup, enforcing coding standards, auto-formatting, resolving common issues, Gradle integration, best practices and optimizing workflows for maintaining high-quality, well-structured and efficient code.
Learn to ensure pixel-perfect UIs by capturing and comparing Compose snapshots against baseline images. This comprehensive guide covers environment setup, writing reusable screenshot tests, generating baseline images, and integrating them into CI/CD pipelines for automatic visual regression detection.
Indexes in MySQL enhance query performance by optimizing lookups, joins, and sorting. Learn the different types of indexes, how they work internally, and best practices for indexing to improve database efficiency
Explore how to securely store data with EncryptedSharedPreferences using Tink, test them with instrumentation, and understand critical internals. This guide details encryption sequences, migration from unencrypted prefs, and advanced implementation details thoroughly simplifying Android’s security approach.
Take a close look at how Android’s SavedStateHandle is built on Bundles for short lived UI data. Understand the Binder’s limit, concurrency constraints, and best practices to keep your app’s state safe and crash-free. All completely explained step-by-step.
Learn how SavedStateHandle preserves short-lived UI data when Android kills your app for memory. This article explains its lifecycle boundaries, potential pitfalls, and strategies to ensure robust state restoration across multiple screens.
Dive into these essential clarifications about Hilt dependency injection. Uncover the pitfalls that commonly trip up developers and learn best practices to ensure a clean, maintainable setup for your Android application, covering usage scopes, modules, and constructor injection.
Partitioning and bucketing help organize data for faster queries in distributed systems. By splitting datasets into logical segments and grouping rows by hashed columns, you can reduce scan times, optimize joins, and streamline massive data operations.
Developing mutliplatform application with flutter just got easy! Explore how to make your app responsive to fit in different screen sizes and adaptive to work on different operting platforms!
Using the flutter_animate package, we explore different trends and techniques to improve the visual appeal of our Flutter application. We begin by animating a simple widget and go through animating different widgets in our app.
Learn how to create charts in Flutter with this guide. We start with line and bar graphs, then show how to animate them. The guide wraps up with a focus on nested graphs, including multi-line and bar-line charts. A practical approach to understanding data visualization in Flutter.
Learn to implement paging with jetpack compose in android into lazy list scope with clear explanation on preparing your api to return paginated response and loading the information into your composables from paging source.
Use SavedStateHandle effectively to receive arguments directly in ViewModel while navigation between composables or fragments in Android. Learn how to pass a parcelable navigation type objects and write a simple test case by mocking retrieved data.
This page will help you understand and implement runtime permission using accompanist library in android with jetpack compose. Along with that, handle few use case scenarios and showing the image from an uri.
This article will help you understand and implement runtime permissions in android with jetpack compose without using any library. Along with that handle few use case scenarios and showing the image from the launcher using an Uri.
Implementing modal bottom sheet has never been easier in Android with Compose. But it is made easier with ModalBottomSheetLayout along multiple options like adding an anchor, styling your sheet, allows you to add modal sheet with your own customization at utmost convenience.
Animate shapes in android with jetpack compose. Article demonstrates use case and sample animations covering shapes, launched effect, repeatable, infinite and finite animation, remember infinite transition, animate color changes, animate float between initial and target values.
Build android app with compose which follows guide to app architecture principles. Implement UI and Data layer built with ViewModels, Coroutines, States.
Build fully search functional screens with composables in android using TextField, State, ViewModel and LiveData. theming, customizing and validading the TextField to perform search and display relevant results to user in list.
Custom shape animations in android with jetpack compose. Animate circle and line on canvas to form custom shape animation. Create pulsating circles with animatable properties with launched effect, repeatable and finite animation, remember infinite transition, animate float between initial and target values.
Learn how to create hourglass animation with drawing on canvas in android with jetpack compose. Scale shape and color of animateable object drawn on canvas based on duration with initial and target values.
When developing any mobile app, it is very important that we think about how the user will move through our app. One of the best ways to help users navigate through an app is to include a Bottom Navigation Bar. Let’s see how we can implement one in Jetpack Compose!
Learn how to implement drag to reorder feature in Jetpack Compose. And spice things up in the end to make it more intuitive.
Learn how to build a simple navigation flow between list and detail composable destinations using jetpack compose in android.
Build a simple app which shows cats using NavHost, NavController, NavArguments.
Want to get a taste of gestures in Compose? Check this article, and build a spectacular animation when an item is swiped away.
Learn Compose animations with a walk-through project. Using LaunchedEffect and Animateable, we create a few consecutive animations to produce a smooth experience while adding an item to a list.
Even with just rows and columns, you can create intuitive user interfaces in Jetpack Compose. Create basics layouts Rows and Columns using Jetpack Compose in Android. Chaining and aligning the elements in layouts.
This article covers everything about implementing menus in android. Show popup menu’s, popup list menu’s, nesting menu items, context menu’s, drop down menu’s and setting menu item click listeners for all types.
Snackbar is a lightweight-widget that we can use as an alternative to Toast. Snackbar is used to show messages to user at bottom of app screen with swiping enabled also contains an optional action button to perform user actions.
WebView is an extended class of Android’s View class. It allows us to display webpages in an application. Android WebView is a component that turns an application into a web application. It makes use of WebKit engine which implements a responsive design and loads pages from URL.
This article helps you to implement swipe between fragments with TabLayout and ViewPager2. We have a simple application demo that helps you on getting started with implementing swipe.
FloatingActionButton is an icon floating above the User Interface. It triggers primary actions such as transitions on the screen. This article covers the implementation of regular FloatingActionButton and Expandable FloatingActionButton in Kotlin.
Implementing Material Design BottomNavigationView is pretty simple which allows users to Navigate to multiple screens by simply clicking on the bottom icons. This article covers implementing along with navigation controller.
Set is a generic unordered collection of elements that does not support duplicate elements. Null elements are also unique. A set contain only one null. Kotlin distinguishes between read-only and mutable sets.
An exception is an unwanted or unexpected event, which occurs during the execution of a program. In Kotlin, all exception classes are descendants of class Throwable. If exceptions are not handled, then It will throw an exception and will stop the execution of program.
A loop is a programming structure that repeats a sequence of instructions until a specific condition is met. To replace the most common use cases of such loopsKotlin uses the concepts of ranges.
This article helps you understand how kotlin is interoperable with java programming language. Learn about kotlin compiler, java virtual machine and kotlin as multiplatform.
Build a custom search interface with EditText and perform search in RecyclerView elements. Get user query with voice capabilities text-to-speech or by typing. Easy to implement, learn with example demonstration and source code.
With Cloud Firestore using collections and documents show data in RecyclerView. Implement feature with detailed demonstration in this article.
Status bar shows notifications and system icons. Learn how to change status bar behavior such as visibility in android with kotlin and java in activity or fragment.
Convolutional Neural Network is one among various types of Deep Learning Neural Networks. CNN is very powerful and widely used in image classification, image recognition, computer vision etc.
ViewPager2 comes with major improvements from ViewPager which enables swipe views with RecyclerView, vertical swipe, orientation, right-to-left support, Modifiable fragment collection, PageTransformations, swipe between fragments with TabLayout, DiffUtils etc. Let’s understand with an example implementation.
Learn how to implement SharedElementTransition between destinations using NavigationComponent in an android application. Perform move transition between views with an example i have shown.
Merge mutiple adapters with single RecyclerView using ConcatAdapter. Check this article to learn more with example i have implemented also find this project in Github.
Learn to create a action for google assistant in Actions Console using DialogFlow and Firebase tools. Learn how to setup Action Console with DialogFlow, Firebase console with new project. Also check the example i have built in Github from this article.
Navigation is part of Android Jetpack which handles everything needed for an app navigation. With SafeArgs, NavArgs and place to visualize all app destinations at one place. Learn with example I have created in this article.
Easy to implement and whole app navigation at one place, with visual code editor which connects different destinations using actions. Learn how to implement SafeArgs with this article. Also check the my example available in Github.
Pass data between destinations using Safe Args along with ViewModel, LiveData with this simple android app. Navigation is part of Android Architecture Components which helps to visualize and build an app which navigates properly between different destinations.
