Tagged articles

Kotlin

370 articles · Page 4 of 4

Apr 15, 2020 · Mobile Development

Getting Started with Jetpack Compose: Overview, Setup, and Basic UI Components

This article introduces Jetpack Compose, Google's modern declarative UI toolkit for Android, covering its history, installation steps, adding Compose to existing projects or creating new ones, basic composable functions, layout techniques with Column, Container, Spacer, Material Design styling, and preview capabilities, all illustrated with Kotlin code examples.

Declarative UIJetpack ComposeKotlin

0 likes · 18 min read

Getting Started with Jetpack Compose: Overview, Setup, and Basic UI Components

Ctrip Technology

Mar 19, 2020 · Mobile Development

Ctrip Hotel Android Map Development: Architecture, Challenges, and Solutions

This article details the design and implementation of Ctrip's hotel Android map features, covering business background, module architecture, coordinate system handling, multithreading challenges, and practical solutions such as MVP, AsyncTask, and atomic flags to ensure smooth user experience.

AndroidConcurrencyKotlin

0 likes · 10 min read

Ctrip Hotel Android Map Development: Architecture, Challenges, and Solutions

Java Backend Technology

Feb 11, 2020 · Fundamentals

Why Java’s Anonymous Inner Classes Restrict Variable Changes (and Kotlin’s Trick)

The article explains why Java’s anonymous inner classes still forbid modifying captured primitive variables after Java 8, how the compiler enforces this by copying values, and why Kotlin can modify them by using reference‑style wrappers.

Anonymous Inner ClassCompilationJava

0 likes · 5 min read

Why Java’s Anonymous Inner Classes Restrict Variable Changes (and Kotlin’s Trick)

Sohu Tech Products

Jan 22, 2020 · Mobile Development

Implementing Lifecycle‑Aware ViewHolder with MVVM in Android RecyclerView

This article proposes a solution to avoid data inconsistency caused by RecyclerView ViewHolder reuse by giving each ViewHolder its own lifecycle, integrating MVVM via a BaseLifecycleViewHolder, BaseLifeCycleAdapter, and VHLiveData, and demonstrates implementation details with Kotlin and Java code examples.

JavaKotlinLiveData

0 likes · 13 min read

Implementing Lifecycle‑Aware ViewHolder with MVVM in Android RecyclerView

Youzan Coder

Jan 15, 2020 · Mobile Development

Savitar: Incremental Compilation Acceleration for Android Development

Savitar, a custom Android Studio plugin suite, accelerates incremental compilation by detecting changed files with Watchman, gathering project metadata, invoking javac/kotlinc and AAPT2 for on‑demand builds, and hot‑loading Dex and resources at runtime, cutting average incremental build time from 110 seconds to 15 seconds and saving thousands of developer hours.

AndroidBuild OptimizationGradle

0 likes · 20 min read

Savitar: Incremental Compilation Acceleration for Android Development

Zhenai.com Front-end Tech Team

Jan 12, 2020 · Mobile Development

How to Build a Real‑Time Kotlin Lint IDE Plugin for Android Development

This article explains the motivation, design, implementation, and deployment of a Kotlin static‑analysis IDE plugin that provides real‑time code‑style checks for Android developers, covering tool exploration, AST/PSI parsing, rule creation, architecture layers, and practical installation steps.

ASTAndroidIDE plugin

0 likes · 18 min read

How to Build a Real‑Time Kotlin Lint IDE Plugin for Android Development

vivo Internet Technology

Jan 8, 2020 · Fundamentals

Understanding Kotlin Coroutines, Go Coroutines, and JVM Threading

The article demonstrates that Kotlin coroutines on the JVM are merely a convenient API layered on traditional Java threads rather than true lightweight coroutines, contrasting them with Go’s M:N goroutine scheduling, and discusses experimental Kotlin‑Native and OpenJDK Loom projects that aim to provide genuine coroutine support.

CoroutinesGoJVM

0 likes · 20 min read

Understanding Kotlin Coroutines, Go Coroutines, and JVM Threading

21CTO

Dec 29, 2019 · Fundamentals

Which 5 Programming Languages Are Set to Dominate the Future?

Dice Insights analyzed TIOBE, RedMonk rankings and its own job database to highlight five programming languages—Swift, Kotlin, Python, Groovy, and TypeScript—that are projected to experience rapid growth and increased adoption in the coming years.

KotlinLanguage TrendsSwift

0 likes · 5 min read

Which 5 Programming Languages Are Set to Dominate the Future?

Programmer DD

Dec 7, 2019 · Fundamentals

Eliminate NullPointerExceptions with the Null Object Pattern and Optional

This article explains why excessive null‑checks cause a "null‑check disaster", introduces the Null Object design pattern and Java 8 Optional as clean alternatives, and showcases the NR Null Object IntelliJ plugin that can generate null‑object scaffolding automatically.

IntelliJ PluginJavaKotlin

0 likes · 10 min read

Eliminate NullPointerExceptions with the Null Object Pattern and Optional

vivo Internet Technology

Oct 30, 2019 · Mobile Development

Kotlin Function Features: Expression Bodies, Named & Default Arguments, Top‑Level & Extension Functions, Lambdas, Member References, with/apply

Kotlin’s function features—including expression bodies, named and default arguments, top‑level and extension functions, local functions, lambdas, member references, and the utility functions with and apply—enable Android developers to write concise, expressive, and boiler‑plate‑free code.

Extension FunctionsFunctionsKotlin

0 likes · 17 min read

Kotlin Function Features: Expression Bodies, Named & Default Arguments, Top‑Level & Extension Functions, Lambdas, Member References, with/apply

Programmer DD

Oct 18, 2019 · Backend Development

What’s New in Spring Framework 5.2? Kotlin Integration and Reactive Features Explained

Spring Framework 5.2 has been officially released, bringing deep Kotlin 1.3 integration, enhanced reactive support for WebFlux, RSocket, and data stores like R2DBC, MongoDB, and Neo4j, along with a comprehensive list of new features and improvements for developers.

JavaKotlinReactive Programming

0 likes · 3 min read

What’s New in Spring Framework 5.2? Kotlin Integration and Reactive Features Explained

Jike Tech Team

Oct 14, 2019 · Mobile Development

Master Android Permissions with Jetpack: Insights from Droidcon 2019

Hamber Luo, Android lead at Jike app, will present at Droidcon Shanghai 2019 on Android Jetpack Permissions, sharing his extensive Android experience, a code example, and practical advice for quickly adopting Jetpack and Kotlin in mobile development.

AndroidJetpackKotlin

0 likes · 4 min read

Master Android Permissions with Jetpack: Insights from Droidcon 2019

Jike Tech Team

Sep 25, 2019 · Mobile Development

Why Kotlin Differs from Java: Constructors, init Blocks, and Static Alternatives

This article explores the key differences between Kotlin and Java for Android development, covering constructors, init blocks, val versus final, static equivalents with companion objects, top‑level declarations, arrays, collections, sequences, visibility modifiers, and includes practical exercises.

AndroidCompanion ObjectJava

0 likes · 23 min read

Why Kotlin Differs from Java: Constructors, init Blocks, and Static Alternatives

21CTO

Sep 24, 2019 · Mobile Development

Master Kotlin for Android with Google’s Free Udacity Courses

Google and Udacity have launched two free Kotlin video courses that teach beginners the language fundamentals and guide them through building Android apps, covering Jetpack components, popular libraries, and coroutines, ultimately enabling the creation of over ten practical applications.

AndroidFree CourseGoogle

0 likes · 4 min read

Master Kotlin for Android with Google’s Free Udacity Courses

Jike Tech Team

Sep 24, 2019 · Mobile Development

Master Kotlin for Android: A Quick Start Guide for Mobile Developers

This guide walks Android engineers through adding Kotlin support to new or existing projects, explains Kotlin's variable declarations, null‑safety features, type inference, val/var usage, visibility modifiers, class inheritance, open/final semantics, and safe casting, providing concise code examples and practical tips.

AndroidClassesFunctions

0 likes · 25 min read

Master Kotlin for Android: A Quick Start Guide for Mobile Developers

Ctrip Technology

Sep 11, 2019 · Mobile Development

Practical Guide to Kotlin DSL: Applications, Examples, and Building Your Own DSL

This article introduces Kotlin DSL concepts, demonstrates real‑world applications such as Trip.com payment network encapsulation, overseas payment SDK Gradle scripts, Anko layouts, and provides a step‑by‑step example for creating a custom DSL, highlighting benefits, trade‑offs, and best practices for mobile development.

AndroidAnkoDSL

0 likes · 11 min read

Practical Guide to Kotlin DSL: Applications, Examples, and Building Your Own DSL

21CTO

Sep 7, 2019 · Fundamentals

Which 5 Programming Languages Are Poised to Surge in the Coming Years?

Based on Dice Insights’ analysis of TIOBE, RedMonk and internal hiring data, this article highlights five programming languages—Swift, Kotlin, Python, Groovy, and TypeScript—that are expected to experience rapid growth in the coming years, explaining the reasons behind each trend.

GroovyKotlinLanguage Trends

0 likes · 6 min read

Which 5 Programming Languages Are Poised to Surge in the Coming Years?

Programmer DD

Jul 11, 2019 · Backend Development

Escaping Callback Hell: From Blocking Calls to Reactive Streams in Kotlin

This article explains the code types involved in synchronous remote calls, demonstrates how blocking IO leads to callback hell, and shows how to simplify the programming model using Java CompletableFuture, AsyncHttpClient, and Project Reactor’s reactive streams to efficiently retrieve city data.

AsyncHttpClientCompletableFutureKotlin

0 likes · 9 min read

Escaping Callback Hell: From Blocking Calls to Reactive Streams in Kotlin

360 Tech Engineering

Jul 10, 2019 · Frontend Development

The Past, Present, and Future of Front‑End Development Programming Languages

This article reviews the evolution of front‑end programming languages, discusses why extreme attitudes toward language choice hinder productive discussion, explains how platform constraints shape language selection, examines the strengths and weaknesses of JavaScript, Java, and Objective‑C, and predicts increasing convergence and cross‑platform trends among modern front‑end languages.

JavaScriptKotlinSwift

0 likes · 33 min read

The Past, Present, and Future of Front‑End Development Programming Languages

Ctrip Technology

Jun 12, 2019 · Mobile Development

Exploring Kotlin Multiplatform: Native Interop, Logging, IO, and SQLite Scenarios

This article examines Kotlin Multiplatform's evolution, detailing native compilation, cinterop bindings, platform libraries, bidirectional Swift/Objective‑C interop, and practical cross‑platform implementations for logging, file I/O, and SQLite, while outlining future directions and tooling recommendations.

IOKotlinNative

0 likes · 21 min read

Exploring Kotlin Multiplatform: Native Interop, Logging, IO, and SQLite Scenarios

21CTO

Jun 5, 2019 · Fundamentals

Why Python Still Dominates: Insights from the June PYPL Language Rankings

June’s PYPL ranking shows Python, Java, JavaScript, C#, and PHP leading the market, with Python’s share rising sharply, Java and PHP slipping, Kotlin gaining momentum, and PHP losing adoption despite its web development strengths, offering developers data‑driven guidance on language choices.

KotlinPopularity RankingsPyPL

0 likes · 3 min read

Why Python Still Dominates: Insights from the June PYPL Language Rankings

Tencent Music Tech Team

May 31, 2019 · Mobile Development

Kotlin Coroutine Failure After Resource Obfuscation in Android APK

The article explains how resource obfuscation with andResGuard removes META‑INF service files needed for the Android Main dispatcher, causing coroutines to silently fail after withContext calls, and shows that preserving the META‑INF/services directory restores proper coroutine execution.

APKAndroidCoroutines

0 likes · 8 min read

Kotlin Coroutine Failure After Resource Obfuscation in Android APK

Sohu Tech Products

May 22, 2019 · Mobile Development

Kotlin 1.3.30 Release: New Features, KAPT Incremental Compilation, Unsigned Array Extensions, Kotlin/Native Enhancements, and IDE Support

Version 1.3.30 of Kotlin introduces Apple support, stable coroutines, KAPT incremental annotation processing, unsigned array extensions, Kotlin/Native platform expansions, and IDE improvements across IntelliJ, CLion, and AppCode, while also detailing configuration steps and performance optimizations for Android developers.

AndroidIDE SupportKapt

0 likes · 8 min read

Kotlin 1.3.30 Release: New Features, KAPT Incremental Compilation, Unsigned Array Extensions, Kotlin/Native Enhancements, and IDE Support

21CTO

May 2, 2019 · Fundamentals

RedMonk Q1 2019 Rankings: Which Programming Languages Really Lead the Pack?

RedMonk's Q1 2019 language ranking, based on GitHub and Stack Overflow data, reveals JavaScript topping the list, modest shifts among the top 20, and highlights notable moves such as TypeScript's rise and Kotlin's surge into the top‑20.

JavaScriptKotlinRedMonk

0 likes · 5 min read

RedMonk Q1 2019 Rankings: Which Programming Languages Really Lead the Pack?

21CTO

Jan 19, 2019 · Mobile Development

Java vs Kotlin for Android: Which Language Should You Choose?

This article compares Java and Kotlin for Android development, outlining each language's advantages, drawbacks, market share, and feature differences to help developers decide which technology best fits their projects.

AndroidJavaKotlin

0 likes · 6 min read

Java vs Kotlin for Android: Which Language Should You Choose?

Bitu Technology

Jan 11, 2019 · Mobile Development

Managing Android Fragment Back Stack with the FragmentOperator Library

This article explains how Android's fragment system introduced in API Level 11 can be enhanced using the open‑source FragmentOperator library to tag, group, skip, and enforce single‑instance fragments, providing Kotlin code examples and practical scenarios for mobile app navigation.

AndroidBack StackFragmentOperator

0 likes · 7 min read

Managing Android Fragment Back Stack with the FragmentOperator Library

Tencent Music Tech Team

Dec 18, 2018 · Mobile Development

Technical Insights from QQ Music’s Android Team on Adapting to Android 9 Pie

QQ Music’s Android team modernized the app for Android 9 Pie by integrating full‑screen displays, native notifications, and enhanced memory profiling, while re‑architecting its dual‑process playback system to cut memory use up to 50%, and adopting Kotlin to shrink code by 25% and halve null‑pointer crashes, delivering a smoother listening experience.

AndroidAndroid 9 PieKotlin

0 likes · 4 min read

Technical Insights from QQ Music’s Android Team on Adapting to Android 9 Pie

WeChat Client Technology Team

Nov 2, 2018 · Mobile Development

Spice Up Android Apps: How Kotlin’s ‘Flavorful’ Features Transform Development

This article uses a cooking metaphor to explore how Kotlin improves Android development by offering safer null handling, concise extension functions, powerful overloads, and expressive lambdas, illustrated with real code examples and practical tips for large‑scale projects.

AndroidCode safetyExtension Functions

0 likes · 10 min read

Spice Up Android Apps: How Kotlin’s ‘Flavorful’ Features Transform Development

Alibaba Cloud Developer

Oct 8, 2018 · Backend Development

How AliExpress Scales Global Teams with Microservices, Kotlin, and FaaS

This article explains how AliExpress’s engineering team tackles rapid releases, international collaboration, and performance challenges by adopting thorough micro‑service decomposition, Docker‑based DevOps standards, SRE stability, Kotlin for cleaner code, and Function‑as‑a‑Service to boost efficiency and scalability.

DevOpsFaaSKotlin

0 likes · 11 min read

How AliExpress Scales Global Teams with Microservices, Kotlin, and FaaS

JD Retail Technology

Sep 7, 2018 · Backend Development

Comprehensive Guide to Developing IntelliJ IDEA Plugins: Setup, Actions, UI Thread, Background Tasks, VFS, PSI, and UI Components

This article provides a step‑by‑step tutorial on creating IntelliJ IDEA plugins, covering environment preparation, project creation, defining actions, updating plugin.xml, handling UI threads, launching background tasks, using ProgressManager, working with the Virtual File System and PSI, and leveraging the platform's UI components.

IDEA PluginIntelliJKotlin

0 likes · 8 min read

Comprehensive Guide to Developing IntelliJ IDEA Plugins: Setup, Actions, UI Thread, Background Tasks, VFS, PSI, and UI Components

JD Tech

Sep 5, 2018 · Backend Development

Developing IntelliJ IDEA Plugins: A Step‑by‑Step Guide

This article walks readers through the complete process of creating an IntelliJ IDEA plugin—from installing the SDK and setting up a project, to defining actions, handling UI threads, using background tasks, and exploring core concepts such as VFS and PSI—providing practical code examples and references for further learning.

Backend DevelopmentIDEA PluginIntelliJ

0 likes · 8 min read

Developing IntelliJ IDEA Plugins: A Step‑by‑Step Guide

Programmer DD

Aug 22, 2018 · Backend Development

Master Gradle: Install, Configure, and Automate Your Builds

This guide walks you through Gradle’s core concepts, from installing the tool and initializing a project to creating custom tasks, managing plugins and dependencies, using the Kotlin DSL, and leveraging the Gradle Wrapper for reliable builds across environments.

GradleJavaKotlin

0 likes · 13 min read

Master Gradle: Install, Configure, and Automate Your Builds

JD Retail Technology

Aug 3, 2018 · Mobile Development

Kotlin Overview, Key Features, and Integration Practices in JD Mobile Development

This article introduces Kotlin as a JVM‑based language, explains why it is chosen for Android development, details its main features such as null safety, data classes, and lambda expressions, compares compilation performance with Java, and provides practical JD‑specific integration steps, configuration tips, common pitfalls, and real‑world usage examples.

AndroidData ClassesGradle

0 likes · 13 min read

Kotlin Overview, Key Features, and Integration Practices in JD Mobile Development

JD Tech

Aug 2, 2018 · Mobile Development

Kotlin Overview: Features, Null Safety, Data Classes, Interoperability, and JD Mobile Development Integration

This article introduces Kotlin as a JVM‑based language, explains why it is chosen for Android development, details its concise syntax, null‑safety, data‑class and lambda features, demonstrates interoperability with Java, analyzes compilation performance, and provides practical JD mobile‑app integration steps and common troubleshooting tips.

AndroidData ClassesKotlin

0 likes · 13 min read

Kotlin Overview: Features, Null Safety, Data Classes, Interoperability, and JD Mobile Development Integration

Meituan Technology Team

Jul 5, 2018 · Mobile Development

Analyzing Kotlin Hidden Costs and Building a Custom Lint Tool

The article examines Kotlin’s hidden runtime overheads—such as companion‑object constants, default synchronized lazy delegates, boxing‑prone array types, and temporary progression objects in loops—and describes how the author built a custom Android Lint plugin (KLint) that parses Kotlin files, defines detectors, integrates with Gradle and IDE, and enforces performance‑aware coding standards through CI checks.

AndroidKotlinPerformance

0 likes · 14 min read

Analyzing Kotlin Hidden Costs and Building a Custom Lint Tool

JD Retail Technology

Jul 5, 2018 · Mobile Development

Android Navigation Component: Introduction, Usage, and Source Code Analysis

This article provides a comprehensive guide to Android's Navigation component, covering its purpose, setup steps, XML graph configuration, fragment navigation, data passing methods, deep link handling, nested navigation, and an analysis of the underlying source code with practical Kotlin examples.

AndroidDeeplinkFragment

0 likes · 11 min read

Android Navigation Component: Introduction, Usage, and Source Code Analysis

JD Tech

Jul 3, 2018 · Mobile Development

Understanding Android Jetpack Navigation: Setup, Usage, Data Passing, Deep Links, and Source Code Analysis

This article provides a comprehensive guide to Android Jetpack's Navigation component, covering its purpose, setup with Gradle, XML graph configuration, fragment navigation code, data passing methods, deep‑link handling, and an analysis of its underlying source classes such as NavHostFragment and NavController.

AndroidJetpackKotlin

0 likes · 13 min read

Understanding Android Jetpack Navigation: Setup, Usage, Data Passing, Deep Links, and Source Code Analysis

Ctrip Technology

Jun 26, 2018 · Mobile Development

Practical Kotlin Language Features for Safer and More Concise Android Development

This article introduces essential Kotlin language features—such as null‑safety, the safe‑call and Elvis operators, triple‑quoted strings, powerful when expressions, object declarations, observable properties, and function types—demonstrating how they enable safer, more concise Android development compared to traditional Java code.

AndroidKotlinNull Safety

0 likes · 13 min read

Practical Kotlin Language Features for Safer and More Concise Android Development

JD Retail Technology

Jun 11, 2018 · Mobile Development

Understanding Android WorkManager: Architecture, Features, and Usage

This article introduces Android WorkManager, explaining its background, architecture, key API features, usage patterns, constraints, cancellation methods, and provides Kotlin code examples for defining workers, creating work requests, and managing tasks across various Android versions.

AndroidBackground TasksKotlin

0 likes · 11 min read

Understanding Android WorkManager: Architecture, Features, and Usage

Suishouji Tech Team

May 23, 2018 · Mobile Development

A Lightweight Event Bus for Android: Simplify Component Communication

This article introduces a lightweight event notification framework for Android, explaining its design, core interfaces, event manager implementation, usage examples with login/logout scenarios, lifecycle considerations, duplicate event checks, and compares it to traditional observer patterns.

AndroidEvent BusKotlin

0 likes · 10 min read