Kotlin语言是否可用于Codename One新项目的生产环境？

Great question—so much has evolved in the Kotlin and Android ecosystem since that 2017 answer, let’s unpack this clearly:

1. Are those 2017-era answers still valid? #

Short answer: Mostly no. Back in 2017, Kotlin was still finding its footing on Android—compiler speed was a major pain point, IDE support was buggy and incomplete, and many third-party libraries had limited Kotlin compatibility.

Android Plugin 4.0 (released in 2020) was a game-changer that tightened Kotlin integration across the board:

• It made Kotlin-only project templates the default in Android Studio
• Compiler performance overhauls cut build times drastically
• Stable interoperability tools (like kotlinx.serialization) eliminated gaps with Java libraries
• Jetpack shifted to Kotlin-first releases for all new components

Nearly every limitation highlighted in those 2017 answers has been resolved at this point.

2. Is Kotlin production-ready today? #

Absolutely. Here’s the proof:

• Google’s official stamp of approval: Kotlin has been the preferred language for Android development since 2019. Google builds most of its own flagship apps (Google Maps, Gmail, YouTube) with Kotlin, and all new Jetpack libraries are designed for Kotlin first.
• Enterprise-grade adoption: Major companies like Netflix, Uber, Airbnb, and Square rely on Kotlin for their high-traffic, large-scale Android apps. It’s proven to handle complex, mission-critical codebases without issue.
• Stable, mature feature set: Core Kotlin tools (null safety, coroutines, Flow, extension functions) are all stable and widely adopted. The language has had minimal breaking changes in recent years, ensuring backward compatibility for existing projects.
• Polished tooling: Android Studio’s Kotlin support is now on par with Java—code completion, debugging, refactoring, and linting all work seamlessly, with dedicated features like one-click Java-to-Kotlin conversion.

3. Is it reliable to use Kotlin for a new project? #

100% yes—this is now the recommended approach for new Android projects. Here’s why it’s a safe bet:

• Fewer runtime bugs: Null safety alone eliminates a huge category of crashes that have plagued Java Android apps for decades.
• Concise, maintainable code: Kotlin’s syntax cuts down on boilerplate (no more verbose findViewById calls, simplified data classes, lambda expressions) without sacrificing readability.
• Future-proofing: Kotlin Multiplatform lets you share code between Android, iOS, and other platforms if you ever expand your project. Even if you stick to Android, the language’s active development ensures you’ll get access to new features and improvements for years to come.
• Strong community support: There’s a massive, active community of Kotlin developers, plus up-to-date official documentation, tutorials, and troubleshooting resources that make solving issues straightforward.

The only scenario where Java might make sense for a new project is if your team has zero Kotlin experience—and even then, the learning curve is gentle enough that making the switch is well worth the long-term benefits.

内容的提问来源于stack exchange，提问作者hrugani