From 9fb49aebfc01b5df68e67e97ee088318a3621c26 Mon Sep 17 00:00:00 2001
From: Claudomator Agent <agent@claudomator>
Date: Sat, 14 Mar 2026 00:46:14 +0000
Subject: Implement tidal current overlay on the chart with toggle FAB

---
 android-app/app/src/main/res/drawable/ic_tidal_arrow.xml |  9 +++++++++
 android-app/app/src/main/res/layout/activity_main.xml    | 12 ++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 android-app/app/src/main/res/drawable/ic_tidal_arrow.xml

(limited to 'android-app/app/src/main/res')

diff --git a/android-app/app/src/main/res/drawable/ic_tidal_arrow.xml b/android-app/app/src/main/res/drawable/ic_tidal_arrow.xml
new file mode 100644
index 0000000..973b3ea
--- /dev/null
+++ b/android-app/app/src/main/res/drawable/ic_tidal_arrow.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#0000FF"
+        android:pathData="M12,2L4.5,20.29L5.21,21L12,18L18.79,21L19.5,20.29L12,2Z" />
+</vector>
diff --git a/android-app/app/src/main/res/layout/activity_main.xml b/android-app/app/src/main/res/layout/activity_main.xml
index 746fe32..cfeea6c 100644
--- a/android-app/app/src/main/res/layout/activity_main.xml
+++ b/android-app/app/src/main/res/layout/activity_main.xml
@@ -242,6 +242,18 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fab_tidal"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:contentDescription="Toggle Tidal Current Overlay"
+        app:srcCompat="@android:drawable/ic_menu_directions"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_bottom_toTopOf="@+id/fab_toggle_instruments" />
+
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/fab_toggle_instruments"
         android:layout_width="wrap_content"
-- 
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