• 🥑 Senior Developer Advocate @RevenueCat • 🪄 Android & Firebase @GoogleDevExpert • 💙 Open-source at https://xitter.cf/t.co/gVwUrBgyUV • ✍️ Blog at https://xitter.cf/t.co/QZiwJqs1rV
Digital Nomad
Joined May 2017
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Jaewoong Eum retweeted
Having a blast at #NextAppDevCon 2026 in Berlin 🎉
Met some amazing friends at the RevenueCat, Software Mansion and Expo booths. This community is the best part of every conference 💜
ALT Selfie with a friend at the RevenueCat booth at NextAppDevCon 2026
ALT Selfie with a friend at the Software Mansion booth, with an Argent AI agent testing demo on screen
ALT Selfie with two friends next to the Expo sponsor sign at NextAppDevCon 2026
ALT Selfie with two friends on the expo floor at NextAppDevCon 2026
Jaewoong Eum retweeted
LLM’lerden hazır yanıt almanın giderek kolaylaştığı bir dönemde, bir konuyu gerçekten öğrenmeye ve derinlemesine kavramaya ayrılan emek daha da kıymetli. Android’i ezberlemekten öte anlayarak öğrenmek isteyenlerle bu kaynağı paylaşmak istedim.
Jaewoong Eum’un Manifest Android Interview kitabının Türkçe çevirisi yayımlandı. Çeviri, Hasan Tunçay tarafından bir yılı aşkın sürede hazırlandı.
Kitapta 108 ayrıntılı yanıtlı mülakat sorusu, 162 uygulama sorusu ve 50’den fazla İleri Seviye Notlar bölümü bulunuyor. Android Framework’ten Jetpack Compose’a kadar uzanan kapsamıyla mülakatlara hazırlanmak ve Android bilgisini derinleştirmek isteyenlere hitap ediyor.
Türkçe baskının $12.99 olabilmesi için çeviri emeğimden feragat ettim. Jaewoong Eum da kendi payında indirime giderek ve haklarından kısmen feragat ederek bu fiyatın mümkün olmasına katkıda bulundu. İngilizce baskının minimum fiyatı $42.99.
📘 Türkçe baskı: leanpub.com/manifest-android…
📗 İngilizce baskı: leanpub.com/manifest-android…
Yazar: Jaewoong Eum · Türkçe çeviri: Hasan Tunçay
@github_skydoves #Android #Kotlin #JetpackCompose
Jaewoong Eum retweeted
Wow. What a couple of months!
This year's Shipaton was the biggest yet. We hit just under 4,000 apps submitted, 5x on last year.
Take some time to celebrate what you accomplished.
From all of us here, thank you.
#shipaton
Jaewoong Eum retweeted
I just sponsored @github_skydoves. Go Sponsor your open source dependencies! github.com/sponsors/skydoves…
Jaewoong Eum retweeted
Team RevenueCat is heading to @droidconBerlin's next.app devCon on October 7–9! 🇩🇪
Catch @github_skydoves breaking down the internals of Jetpack Compose on Oct 7, and @plahteenlahti making the case for why React Native apps monetize better on Oct 8.
Swing by our booth all three days for demos, swag, and AMAs with the team.
👉 Register here: nextappcon.com
Jaewoong Eum retweeted
Agents can create PRs in minutes, but understanding them still takes work.
CodeRabbit Change Stack connects a PR's purpose, behavior, dependencies, and code so reviewers can really verify it before approving.
Do you understand what you're about to merge?
Jaewoong Eum retweeted
(Re)Introducing Refund Control!
Some background; on iOS, Apple approves every refund request unless you respond to the notification they send. RevenueCat responds for you, and for a long time one of the options was "always decline".
We removed it. Declining every request regardless of the reason pushes users into chargebacks, and Apple doesn't love that. Some of you were not happy about this.
Refund Control is the version we should have shipped instead. Rather than one setting for every request, you write policies powered by Audiences.
Prefer to decline for users who've been active for weeks. Approve for someone who bought by the app by accident and never used it. You decide!
We match each request against your policies in order and send the answer to Apple or Google for you. If a refund goes through, entitlements are updated automatically.
Find this feature in the Lifecycle section of your dashboard
Demo below 👇
Jaewoong Eum retweeted
Agents can open PRs faster than any team can review them.
There’s a tool to protect your judgement from getting spent on the wrong work.
It’s called CodeRabbit Triage.
Jaewoong Eum retweeted
✨ RevenueCat: animaciones Rive y Lottie en tus paywalls Android
Ahora puedes añadir animaciones interactivas a tus paywalls sin publicar una nueva versión de la app.
► Compatible con Rive (personajes) y Lottie (animaciones vectoriales)
► Se gestiona desde el dashboard, sin releases
► Ideal para celebraciones o fondos animados
► Ya disponible en el SDK de Android
👇🏻👇🏻👇🏻
→ revenuecat.com/blog/engineer… ←
Jaewoong Eum retweeted
Shipaton Seoul is one week out, and we are crossing 150 RSVPs. 🚀
Monday, September 21 at MARU180:
💻 4:00pm / 모각코 Build Session
Bring your laptop and work alongside other people shipping their Shipaton projects. No agenda, just a room full of builders getting things done.
🍕 6:30pm / Main Program
Food, a session with @github_skydoves, Senior Developer Advocate at @RevenueCat, demos from 3-4 community builders, and RevenueCat swag. 🤩
If you're planning to come, please RSVP so we can order enough food!
RSVP: luma.com/9tuvvggu
Jaewoong Eum retweeted
The Nebius AI Builder Program is now available.
AI isn’t just a model you call anymore. It’s a system you build. And builders, not a few closed labs, will decide what it becomes.
The open ecosystem has all the pieces. We want to make it easier to put them together and start building.
The program is free, with $400+ in credits and discounts, working code and cookbooks, office hours with engineers, and a community to build with.
We’re joined by @NVIDIAAI, @LangChain, @huggingface, @cognition, @OpenHandsDev, @tavilyai, @TolokaAI, @composio, @PrimeIntellect, @MiniMax_AI, @Alibaba_Qwen, and more joining soon.
Join with the link in the comments 👇
Jaewoong Eum retweeted
RevenueCat for Android 2.0 is in open beta.
New: Rico, an AI assistant that lives in the app and asks before it does anything.
Also new: widgets that resize. Yes. Finally. You told us. Loudly.
It's a beta. Go break it, then tell us how:
play.google.com/apps/testing…
Jaewoong Eum retweeted
@Shipaton Seoul is happening September 21! 🚀
Last year's Shipaton ended up being one of my favorite @dev_korea events of 2025, so this year we're giving everyone more time to actually build together.
💻 4:00pm — 모각코 / Build Session
Bring your laptop, grab a seat, and work alongside other people shipping their Shipaton projects.
🍕 6:30pm — Main Program
Food, a session with @github_skydoves, Senior Developer Advocate at @RevenueCat, community demos from 3–4 builders, and of course some RevenueCat swag. 🤩
Shipaton submissions close at the end of September, so this is a great chance to get some focused building time in during the final stretch.
And you don't need to be registered for Shipaton to come! Although it's definitely more fun if you show up with something to build. 😬
Details & RSVP:
dev-korea.com/events/dev-kor…
Jaewoong Eum retweeted
We'll be live in 15 minutes on RevenueCat's channel, talking about how you can build with KMP and CMP for the 2026 edition of the Shipaton!
Tune in here: youtube.com/watch?v=VAsl_q0C…
Jaewoong Eum retweeted
🎉 RevenueCat Ads is live!
- View all of your ad revenue and purchase data in one place in RevenueCat 💰
- Display ads in your app or game 🎮
- Unlock entitlements in your app to enable certain features, conditional on watching an ad 🏆
Jaewoong Eum retweeted
📢 Live KMP Q&A this Tuesday, Aug 25, 9am PT, with @RevenueCat:
🎤 @zsmb13 on building cross-platform with KMP
🏆 Pamela Hill (2025 judge) on how to win our $30K Shipaton Ship Kotlin Everywhere Award
Never heard of #Shipaton? It's a two-month hackathon: build a mobile app, ship it to the stores, win prizes. Six weeks still left, plenty of time to enter and ship 🚀
Set a reminder: youtube.com/watch?v=VAsl_q0C…
Jaewoong Eum retweeted
🚨 Google Play's August 31, 2026 deadline is one week away. After that, you won't be able to publish a new app or app update using Billing Library 7.
Using RevenueCat? Upgrade to Android SDK 9.x or later, which already includes Billing Library 8 support.
Migration guide: revenuecat.com/blog/engineer…
Jaewoong Eum retweeted
App developers in South Korea can now get free, local-language support from our new regional partner: AB180 🇰🇷
From implementation and onboarding to growth strategy and experimentation, AB180 can provide expert RevenueCat support to help you scale.
Learn how ⤵️ revenuecat.com/blog/company/…
