From 3b8fc9ca5d5fc86d08006786f4ab9f4c0c906885 Mon Sep 17 00:00:00 2001
From: jjangddu <dw.jang@medithings.co.kr>
Date: Tue, 26 May 2026 17:51:40 +0900
Subject: [PATCH] =?UTF-8?q?UI:=20Sensor=20Alignment=20=EB=B0=A9=ED=96=A5?=
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빌드 111(e0f92eb)에서 의도적으로 제거했던 4방향 화살표(↑↓←→)를
사용자 요청으로 복원. directionIcon에 따라 센서/타원 바깥에 그려짐.
Hint 텍스트와 함께 시각적 방향 안내 제공.

색상 #FF5722 · arrowLen 70f · sw 9f (Charles 833c110 원본 사양 그대로)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 .../ui/views/monitoring/PlacementGuideView.kt | 36 ++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt
index 1f4f5b4..cd98ef2 100644
--- a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt
+++ b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt
@@ -430,7 +430,41 @@ fun PlacementGuideView(appState: AppState) {
                         alpha = 0.95f,
                     )
 
-                    // 빌드 111(e0f92eb): Canvas 방향 화살표 4종 제거 — hint 텍스트로만 방향 안내
+                    // ── 방향 화살표 (센서/타원 바깥, 충분한 간격) — 복원 (사용자 요청) ──
+                    if (!greenZone) {
+                        val arrowColor = Color(0xFFFF5722)
+                        val arrowLen = 70f
+                        val arrowHead = 28f
+                        val sw = 9f
+                        val sensorHalfH = h * 0.08f
+
+                        when {
+                            directionIcon.contains("up") -> {
+                                val ay = bladderCy - bladderRy - sensorHalfH - 20f
+                                drawLine(arrowColor, Offset(cx, ay + arrowLen), Offset(cx, ay), strokeWidth = sw)
+                                drawLine(arrowColor, Offset(cx - arrowHead, ay + arrowHead), Offset(cx, ay), strokeWidth = sw)
+                                drawLine(arrowColor, Offset(cx + arrowHead, ay + arrowHead), Offset(cx, ay), strokeWidth = sw)
+                            }
+                            directionIcon.contains("down") -> {
+                                val ay = bladderCy + bladderRy + sensorHalfH + 20f
+                                drawLine(arrowColor, Offset(cx, ay - arrowLen), Offset(cx, ay), strokeWidth = sw)
+                                drawLine(arrowColor, Offset(cx - arrowHead, ay - arrowHead), Offset(cx, ay), strokeWidth = sw)
+                                drawLine(arrowColor, Offset(cx + arrowHead, ay - arrowHead), Offset(cx, ay), strokeWidth = sw)
+                            }
+                            directionIcon.contains("left") -> {
+                                val ax = cx - bladderRx - 30f
+                                drawLine(arrowColor, Offset(ax + arrowLen, bladderCy), Offset(ax, bladderCy), strokeWidth = sw)
+                                drawLine(arrowColor, Offset(ax + arrowHead, bladderCy - arrowHead), Offset(ax, bladderCy), strokeWidth = sw)
+                                drawLine(arrowColor, Offset(ax + arrowHead, bladderCy + arrowHead), Offset(ax, bladderCy), strokeWidth = sw)
+                            }
+                            directionIcon.contains("right") -> {
+                                val ax = cx + bladderRx + 30f
+                                drawLine(arrowColor, Offset(ax - arrowLen, bladderCy), Offset(ax, bladderCy), strokeWidth = sw)
+                                drawLine(arrowColor, Offset(ax - arrowHead, bladderCy - arrowHead), Offset(ax, bladderCy), strokeWidth = sw)
+                                drawLine(arrowColor, Offset(ax - arrowHead, bladderCy + arrowHead), Offset(ax, bladderCy), strokeWidth = sw)
+                            }
+                        }
+                    }
                 }
 
                 // (sensor 이미지는 위 Canvas drawImage 로 이동 — body silhouette과 동일 좌표계)