51 posts tagged with "Android"

In this step-by-step tutorial we'll build a real-time Android chat application in Kotlin. This guide reuses the full source code from our premium Android Chat App.

Galio is a UI toolkit and component framework for React Native that provides a consistent set of ready-made, themeable building blocks (buttons, cards, text, inputs, nav bars, etc.) so you can prototype and ship mobile UIs faster. The galio repository includes the core components and a lightweight theme system in src/theme (see colors.tsx, sizes.tsx, index.tsx) plus components under src/ such as Block, Button, Text, Input, Card, Avatar, NavBar and more.

Learn more on the official site: galio.io and browse the source and examples on GitHub: github.com/galio-org/galio.

Older Android phones expose every expensive choice in a React Native app: heavy startup work, oversized images, slow lists, chatty network calls, JS-thread animations, and debug-only assumptions. The goal is not to chase one magic setting. The goal is to measure on real hardware, reduce work on the critical path, and ship a release build that keeps memory, CPU, and frame time under control.

Windows is a solid development environment for React Native Android apps. The important part is to install the native Android toolchain cleanly, keep Node and Java aligned with your app's React Native version, and use project-local commands instead of old global CLIs.

This guide focuses on Android development from Windows. Building and running iOS apps still requires macOS and Xcode.

React Native developers eventually need a signed Android release build. For Google Play, the normal production artifact is an Android App Bundle (.aab). APKs are still useful for local testing, sideloading, and some distribution workflows, but Google Play release planning should start with the app bundle.

This guide explains the modern release build flow for React Native Android apps.

Implement Android MVVM with unidirectional state, lifecycle-aware ViewModels, immutable UI models, coroutines, and repositories that expose clear contracts. This revised guide emphasizes supported APIs, production tradeoffs, and an upgrade-friendly path without tying the advice to a calendar year.

Secure Android apps with least-privilege permissions, encrypted transport, safe credential storage, validated deep links, hardened WebViews, and dependency hygiene. This revised guide emphasizes supported APIs, production tradeoffs, and an upgrade-friendly path without tying the advice to a calendar year.

1. Project Configuration​

Follow these steps to set up your Android Studio project:

This tutorial will guide you through the process of developing Android wearable apps using Kotlin programming language. We will cover the basics of Android wearable development, advantages of using Kotlin, setting up the development environment, creating a basic Android wearable app, working with Wearable APIs, testing and debugging the app, and finally, publishing the app on the Google Play Store.

This tutorial aims to provide software developers with a comprehensive guide to mastering Kotlin, a modern programming language for Android development. It covers various aspects of Kotlin, including its basic syntax, object-oriented programming concepts, null safety, collections, extensions, and coroutines. By the end of this tutorial, you will have a solid understanding of Kotlin and be able to leverage its features to write efficient and concise code.

Introduction​

This tutorial will guide you through the process of implementing push notifications in an Android app using Kotlin. Push notifications are messages that are sent from a server to an app on a user's device. They can be used to deliver important updates, reminders, or promotions directly to the user's device, even when the app is not actively running. In this tutorial, we will cover the benefits of using push notifications in Android, the steps to set up the project, and the process of implementing and customizing push notifications using Kotlin.

This tutorial is a comprehensive guide for software developers who want to get started with Kotlin development. Kotlin is a modern programming language that runs on the Java Virtual Machine (JVM) and can be used to develop a wide range of applications, including Android apps. In this tutorial, we will cover the basics of Kotlin syntax, object-oriented programming, null safety, collections and generics, coroutines, and Android development with Kotlin.