Jaewoong Eum
@github_skydoves
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• 🥑 Lead Android DevRel @getstream_io • 🪄 Android & Kotlin @GoogleDevExpert • 💙 Open-source at • ✍️ Blog at
Seoul, South Korea 🇰🇷
Joined May 2017
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I’m super excited and honored to announce that I am now an official
@GoogleDevExpert
for
@AndroidDev
! 🎉
Thank you to everyone who supported me on my amazing journey and I’m looking forward to contributing to the community more. 💙
I’m really glad to be a part of this!
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What I’ve achieved with open-source projects in 2022.
• Published 18 new open-source projects and libraries.
• My libraries have achieved more than 5 million downloads.
• Crossed 40k total stars.
Happy to see my libraries are helping developers create products used globally!
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Another day for changing my role as a soldier 🪖🇰🇷
It's mandatory in South Korea.
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409
I’m happy to share that I am now a
@GoogleDevExpert
for
@kotlin
and I'm the first Kotlin GDE in South Korea! 🥳
Thank you to everyone who supported me over the years and I’m looking forward to contributing to the community more. 💙
22
16
377
My open-source project Pokedex crossed 6.5k stars on GitHub!
🗡️ Pokedex demonstrates modern Android development with Hilt, Material Motion, Coroutines, Flow, and Jetpack libraries (Room, ViewModel) based on MVVM architecture.
10
36
337
One of my open-source projects Pokedex crossed 5k stars on GitHub!
I'm really happy to help many people with open-source projects. 💙
Pokedex demonstrates modern Android development with Hilt, Coroutines, Flow, and Jetpack libraries based on MVVM.
9
35
306
One of my favorite android apps
@twitter
used my open source library in the recent release! 🥳
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Attended a mentoring program as a mentor for Korean junior Android developers.
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Super honored to receive the Google Open Source Peer Bonus Award 2023 for my contributions to open-source libraries, such as Landscapist, Orbital, and ColorPicker. 🏆
Thank you so much
@riggaroo
for the nomination!
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Compose tips:
In version 2.7.0 of the `lifecycle-viewmodel-compose` library, you can now execute side effects based on `Lifecycle.Event` by utilizing `LifecycleEventEffect`.
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Pokedex 1.1.2 has been released.
🗡️ Pokedex demonstrates modern Android development with Hilt, Material Motion, Coroutines, Flow, Jetpack (Room, ViewModel) based on MVVM architecture.
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`androidx.pdf:pdf-viewer` is coming soon.
It supports text selection with a context menu, pagination, disk caching, password dialog, zooming, and more.
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Compose Tips:
In Jetpack Compose, the Compose compiler defaults to treating an interface as unstable because Compose lacks information on its potential implementations.
For instance, when you create a Composable function containing a `List`, it's regarded as unstable since the
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Compose Multiplatform for iOS is introduced.
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Compose Tips:
If you are in the process of moving from XML-based to fully Compose-based architecture, consider using the new `androidx.fragment:fragment-compose` library.
2
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androidx Room database will support KMP.
As part of the migration to KMP and to coroutines internals, Room will now accept a CoroutineContext in the builder for any coroutine related tasks and queries.
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Compose Tips:
You can simply implement multiple profile avatars using Row and offset/zIndex modifiers.
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I just published a new open-source project, Gemini Android.
✨ Gemini Android demonstrates Google's Generative AI on Android with
@getstream_io
's Chat SDK for Compose.
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Finally, you can try to use the explicit backing field with Kotlin 2.0.0-RC1 on Android Studio 🎉
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One of my recent open-source project Pokedex reached 1.3k stars in GitHub! 👍
🗡️ Android Pokedex using Dagger Hilt, Motion, Coroutines, Jetpack (Room, ViewModel, LiveData) based on MVVM architecture.
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233
My open-source projects ChatGPT-Android and Android developer roadmap are trending on
#GitHub
!
🔗ChatGPT Android:
🔗Android developer roadmap:
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232
Published a new open source project Android Developer Roadmap 2022.
🗺 Android Developer Roadmap 2022 suggests learning paths to understanding Android development.
Thank you
@Nash0x7E2
,
@zsmb13
,
@filbabic
for reviewing this project!
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Published a new
#JetpackCompose
open source project MovieCompose.
🎞 A demo movie app using Jetpack Compose and Hilt based on modern Android tech stacks.
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Shared element transition for Lazy Lists with Kotlin Multiplatform (Android and iOS) and Compose Multiplatform.
You can implement this animation with orbital 0.3.2:
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Restructured the entire project and app guidance of Pokedex!
🗡️ Pokedex demonstrates modern Android development with Hilt, Material Motion, Coroutines, Flow, and Jetpack (Room, ViewModel) based on MVVM architecture.
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Jetpack Compose tip:
The sequence in which modifier functions is significant. Chaining a Modifier involves sequentially layering the functions, starting from the highest one and working downwards.
For example, you can create a simple online indicator by adjusting the order of
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The Android team is currently developing a new Photo Picker application under the media provider, fully written in Jetpack Compose, and utilizing Hilt, navigation, paging3, and Glide.
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I published a new blog post, 'Shared Element Transition In Jetpack Compose: Enriching Android User Experiences'.
You’ll explore how to implement shared element transitions and the container transform using the latest version of Compose UI.
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I just published a new blog post, 'Jetpack Compose: The Android Developer Roadmap – Part 5'.
This post guides you through Jetpack Compose's essentials: Compose UI, States, Side-Effects, and Compose migration strategies.
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Today, I published a new open-source library, FlexibleBottomSheet!
🐬 FlexibleBottomSheet is an advanced Jetpack Compose bottom sheet that allows you to implement segmented sizing and non-modal type, similar to Google Maps.
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Serving a one day military service training today 🪖
It's mandatory in South Korea 🇰🇷
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Crossed 6k followers on GitHub!
As always, happy to build and share my open-source projects with developers around the globe.
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Introduce LookaheadLayout for Jetpack Compose.
This allows us to look ahead and calculate a new layout while allowing the actual measurement & placement of every frame to be different than the pre-calculation.
Morph animation, SharedElementTransition.
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208
Android Platform Samples: A collection of samples of different Android OS platform APIs.
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My open-source libraries have amassed over 8.2 million downloads in the past year.
It's fulfilling to assist developers worldwide and to know that my open-source libraries are being used on billions of devices and integrated into millions of diverse products globally.
5
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Tips for creating a Flow that observes lifecycle events.
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Today, I just published a new blog post, 'Optimize App Performance By Mastering Stability in Jetpack Compose'!
This article will guide you through the fundamental concept of stability and offer strategies for effective management.
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My GitHub account surpassed 10k followers!
As always, I'm happy to contribute to the developer community through the creation of open-source projects and by helping their daily work, businesses, and careers 💙
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The androidx `pdf:pdf-viewer` library will allow you to implement `PdfViewerFragment,` which can display paginated PDFs. The viewer includes an FAB for annotation support and a search menu. Each page is rendered in its own View.
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In Jetpack Compose, when you use a mutable(Int, Float, Long, Double)StateOf function, values are stored in memory as the primitive int type, avoiding the autoboxing that occurs when using MutableState<Int>.
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My open-source libraries are crossed 2.2M downloads in 6 months (Q1 + Q2) of this year.
I'm super excited to help developers around the globe and watch my open-source libraries have been used in a lot of global products!
16
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189
Pokedex-AR 1.0.2 has been released.
Pokedex-AR demonstrates ARCore, Sceneform, and modern Android tech stacks such as Hilt, Coroutines, Flow, Jetpack (Room, ViewModel, LiveData) based on MVVM architecture.
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Working on open-source projects at a cafe in Busan, South Korea 🌊
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I recently had a chance to review
@madona_wambua
's 'Modern Android 13 Development Cookbook' from
@PacktAuthors
.
The book offers a comprehensive exploration of modern Android, including Compose, architecture, and Jetpack libraries such as Hilt, DataStore, Room, and more.
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Kotlin Android Gradle Plugin 2.0.0 has been released!! 🎉🎉🎉
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Compose performance
📚 Compile articles to understand Compose internals and optimize Jetpack Compose performance.
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Kotlin K2 compiler doesn't support kapt anymore, which means the data-binding library can be dead soon.
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The Compose compiler has moved from androidx to JetBrains kotlin repository.
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The Dagger/Hilt team have been started to work on KSP support.
2
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Published a new open-source library, Orbitary.
🪐 Jetpack Compose animation library that allows you to implement animations such as shared element transition.
This is experimental and you can check how to modulate LookaheadLayout and examples.
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I've reached a total of 55K stars on GitHub! ⭐️
As always, I'm happy to contribute to the developer community and grow up together with worldwide developers. Also, I appreciate everyone who supported my projects by giving me stars 🩵
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Now Balloon supports Jetpack Compose!
🎈 Modernized and sophisticated tooltips, fully customizable with an arrow and animations for Android.
You can use Balloon in Jetpack Compose by using the `balloon-compose` artifact since version 1.5.0.
🔗:
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Published a new open-source library, PhotoView.
🌇 PhotoView is an ImageView component for Android that enables zoom functionality through diverse touch gestures. This project has been forked from
@chrisbanes
' PhotoView.
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Published a new blog post 'Build a Real-Time Android WhatsApp Clone With Jetpack Compose'!
In this article, you will learn the overall architecture, each layer, and building real-time chat features with
#JetpackCompose
and
@getstream_io
's Compose SDK.
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Jetpack Compose parameters order:
1. Required parameters.
2. Single modifier: Modifier = Modifier.
3. Optional parameters.
4. (optional) trailing Composable lambda.
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Practical performance problem solving in Jetpack Compose
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Hilt's KSP support seems to be very close.
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The Android Developer Roadmap now features README support in 16 world languages! 🌍
English, German, Spanish, Turkish, French, Korean, Chinese, Japanese, Arabic, Bahasa Indonesia, Farsi, Portuguese, Khmer, Vietnamese, Italian, and Arab.
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Kotlin 2.0.0 ChangeLogs
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The top secret of my Compose skills is I used to have a cup of Compose coffee.
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Actually, there's no such thing as "pure" Jetpack Compose.
Some developers might feel uneasy about using `AndroidView` or mixing traditional views with Compose, but the reality is that Compose UI (Android), such as setContent, Popup, Dialog, and much more, are built on top of
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Container Transform animation on Android and iOS with KMP and Compose Multiplatform.
You can implement this animation using the 'orbital' library:
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144
I published a new open-source project, ChatGPT-Android.
📱 ChatGPT-Android demonstrates
@OpenAI
's ChatGPT on Android with
@getstream_io
Chat SDK for Compose.
2
17
141
Compose 1.6.0 has been released. This is what's new in the Jetpack Compose.
- Performance improvement (~20% improvement in scroll performance)
- Configuring the stability of external classes
- Strong skipping mode
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One of my open-source projects Pokedex has been reached 4.8k stars on GitHub. 🤩
Thanks to everyone who has supported this project!
0
13
142
WhatsApp Clone Compose 1.1.0 has been released.
New video/voice call features have been added.
📱 WhatsApp clone project demonstrates modern Android development built with Jetpack Compose and Stream Chat/Video SDK for Compose.
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135
Published a new repository,
#Pokedex
.
Using Dagger Hilt, Motion, Coroutines, Jetpack (Room, ViewModel, LiveData) based on MVVM architecture.
This project is for focusing especially on the new library Dagger-Hilt of implementing dependency injection.
4
20
137
One of my open-source projects Pokedex crossed 5.3k stars on GitHub!
I'm happy to help many people with open-source projects. 💙
Pokedex demonstrates modern Android development with Hilt, Coroutines, Flow, and Jetpack libraries based on MVVM.
2
11
132
Now the 2022 Android Developer Roadmap supports 14 different world languages for the README file! 🌍
English, German, Spanish, Turkish, French, Korean, Chinese, Japanese, Arabic, Bahasa Indonesia, Farsi, Portuguese, Khmer, and Vietnamese.
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30
134
It's been a year since we started to work on the Android Video SDK, and now we finally launched 0.1.0 today!🎉
With
@getstream_io
's versatile Android core and Compose Video SDK, you can build a video call, audio room, and live streaming apps easily.
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I'm thrilled to share that I will be joining
@getstream_io
as an Android Developer Advocate next week! 🎉
I'm highly excited for this new journey and looking forward to work with very awesome people like
@Nash0x7E2
,
@zsmb13
,
@filbabic
& many more!
20
8
131
Compose Multiplatform 1.6.0 stable has been released.
4
18
130
My recent open-source project ChatGPT Android crossed 1k stars on GitHub! ⭐️
📱 ChatGPT Android demonstrates OpenAI's
#ChatGPT
on Android with
@getstream_io
's chat SDK for Jetpack Compose.
2
14
126
I just published a new open-source project WebRTC in Jetpack Compose!
📱 This project demonstrates WebRTC protocol to facilitate real-time video communications with
#JetpackCompose
.
@getstream_io
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Secret Gradle Plugin for Android
A Gradle plugin for providing your secrets to your Android project.
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