Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
requirements with math
Search
Moony-H
March 15, 2025
Programming
0
620
requirements with math
Google Developer Group Korea Super.init(V6) Presentation
Moony-H
March 15, 2025
Tweet
Share
Other Decks in Programming
See All in Programming
私の後悔をAWS DMSで解決した話
hiramax
4
210
より安全で効率的な Go コードへ: Protocol Buffers Opaque API の導入
shwatanap
2
780
AIを活用し、今後に備えるための技術知識 / Basic Knowledge to Utilize AI
kishida
22
5.9k
AI Agents: How Do They Work and How to Build Them @ Shift 2025
slobodan
0
100
ぬるぬる動かせ! Riveでアニメーション実装🐾
kno3a87
1
230
楽して成果を出すためのセルフリソース管理
clipnote
0
190
Kiroで始めるAI-DLC
kaonash
2
630
GitHubとGitLabとAWS CodePipelineでCI/CDを組み比べてみた
satoshi256kbyte
4
250
機能追加とリーダー業務の類似性
rinchoku
2
1.3k
チームのテスト力を鍛える
goyoki
3
930
Performance for Conversion! 分散トレーシングでボトルネックを 特定せよ
inetand
0
3.4k
時間軸から考えるTerraformを使う理由と留意点
fufuhu
16
4.8k
Featured
See All Featured
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
15k
The Cult of Friendly URLs
andyhume
79
6.6k
Building Applications with DynamoDB
mza
96
6.6k
Art, The Web, and Tiny UX
lynnandtonic
303
21k
Scaling GitHub
holman
463
140k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.5k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.6k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
113
20k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Transcript
Korea Android ࣻਵ۽ UI ਃҳࢎ೦ ݅ೞӝ MoonHwi Han super.init(version=6)
ࣻ… જইೞदաਃ? 저는 별로…
ࣻ… જইೞदաਃ?
ࣻ… જইೞदաਃ?
ࣻ… જইೞदաਃ?
Androidীח?
ࣻਸ ਊೠ ҃ , Ҋ١Ү ࣻਵ۽ ࢚ഐਊਸ ٜ݅ ࣻ .
пೣࣻ۽ ӝ ઁযೞӝ Korea Android super.init(version=6)
ਗ Ӓܻӝ “지도 위에 반경을 그리는 기능을 만들어주세요”
ਗ Ӓܻӝ
ਗ Ӓܻӝ
ਗ Ӓܻӝ MotionEvent.ACTION_MOVE -> { val dragPosX = it.x val
dragPosY = it.y }
ਗ Ӓܻӝ val dx = (circleCenterPos.x - dragPosX).toDouble() val dy
= (circleCenterPos.y - dragPosY).toDouble() val radPx = sqrt(dx.pow(2.0) + dy.pow(2.0)) val radMeter = radPx * naverMap.projection.metersPerPixel
ਗ Ӓܻӝ circle.radius = radMeter
ਗ Ӓܻӝ MotionEvent.ACTION_MOVE -> { val dragPosX = it.x val
dragPosY = it.y val dx = (circleCenterPos.x - dragPosX).toDouble() val dy = (circleCenterPos.y - dragPosY).toDouble() val radPx = sqrt(dx.pow(2.0) + dy.pow(2.0)) val radMeter = radPx * naverMap.projection.metersPerPixel circle.radius = if (radMeter > 500) 500.0 else radMeter }
ਗ Ӓܻӝ
ਗ Ӓܻӝ ߈ܴ rਸ 500m۽ ઁೠ
ਗ Ӓܻӝ indicatorח (x, y)о ইצ (x’, y’)ܳ ٮۄоঠ ೠ.
ਗ Ӓܻӝ
ਗ Ӓܻӝ
ਗ Ӓܻӝ
ਗ Ӓܻӝ val degree = atan2(dy, dx)
ਗ Ӓܻӝ
ਗ Ӓܻӝ val x = radiusLimitPx * cos(degree) * -1
val y = radiusLimitPx * sin(degree) * -1
ਗ Ӓܻӝ MotionEvent.ACTION_MOVE -> { val dragPosX = it.x val
dragPosY = it.y val dx = (circleCenterPos.x - dragPosX).toDouble() val dy = (circleCenterPos.y - dragPosY).toDouble() val radPx = sqrt(dx.pow(2.0) + dy.pow(2.0)) val radMeter = radPx * naverMap.projection.metersPerPixel }
ਗ Ӓܻӝ if (radPx > radiusLimitPx) { //пب ҳೞӝ val
degree = atan2(dy, dx) val x = radiusLimitPx * cos(degree) * -1 val y = radiusLimitPx * sin(degree) * -1
ਗ Ӓܻӝ val circleCenterPx = naverMap.projection.toScreenLocation(circle.center) val latLng = naverMap.projection.fromScreenLocation(
PointF( x.toFloat() + circleCenterPx.x, y.toFloat() + circleCenterPx.y ) ) indicator.position = latLng circle.radius = radiusLimit
ਗ Ӓܻӝ else { circleMarker.position = naverMap.projection.fromScreenLocation(PointF(it.x, it.y)) circle.radius =
circle.center.distanceTo(circleMarker.position) }
ਗ Ӓܻӝ
ਗ Ӓܻӝ
пೣࣻ & Vector۽ ഥೞӝ Korea Android super.init(version=6)
ഥ “이미지를 핸들로 회전할 수 있게 해 주세요”
ഥ
ഥ
ഥ
ഥ
ഥ
ഥ ઁ 2 ࢎੋ ߨ
ഥ
ഥ
ഥ fun Offset.distanceTo(offset: Offset): Float = sqrt((this.x - offset.x).pow(2)
+ (this.y - offset.y).pow(2))
ഥ val a = touchPos.distanceTo(prevPos) val b = prevPos.distanceTo(imagePos)
val c = imagePos.distanceTo(touchPos) val cosA = (b.pow(2) + c.pow(2) - a.pow(2)) / (2 * b * c)
ഥ val currDegree = Math.toDegrees(acos(cosA).toDouble()).toFloat()
ഥ
ഥ
ഥ ҳೠ пبח ೦࢚ নࣻ ߑೱ হ
ഥ
߭ఠ ৻
߭ఠ ৻
߭ఠ ৻
߭ఠ ৻ fun Offset.toVectorOffset(offset: Offset) = Offset(offset.x - this.x, offset.y
- this.y) fun Offset.crossProduct(offset: Offset) = this.x * offset.y - this.y * offset.x
߭ఠ ৻ degree = Degree(degree.value + if (product < 0)
+currDegree else -currDegree)
߭ఠ ৻
݃ݴ Korea Android super.init(version=6)
ࣻ… જই࣑աਃ? 저는 별로…
ࣻ… જই࣑աਃ? ࣻҗ ೡࣻ۾ ҳഅ ևযפ.
хࢎפ
None