Embed anchor watch form inline in Safety Dashboard

Replaces the "Configure Anchor Watch" button with depth and rode EditTexts
directly in the anchor card; radius updates live via TextWatcher.
Removes the separate AnchorWatchHandler overlay flow and onConfigureAnchor()
from SafetyListener.

https://claude.ai/code/session_01KXYBuAHZkvv63DeUG6XaZD

3 files changed, 93 insertions, 12 deletions

diff --git a/android-app/app/src/main/kotlin/org/terst/nav/MainActivity.kt b/android-app/app/src/main/kotlin/org/terst/nav/MainActivity.kt
index e4bc9b5..da887f4 100644
--- a/android-app/app/src/main/kotlin/org/terst/nav/MainActivity.kt
+++ b/android-app/app/src/main/kotlin/org/terst/nav/MainActivity.kt
@@ -504,10 +504,6 @@ class MainActivity : AppCompatActivity(), SafetyFragment.SafetyListener {
         }
     }
 
-    override fun onConfigureAnchor() {
-        showOverlay(org.terst.nav.ui.anchorwatch.AnchorWatchHandler())
-    }
-
     override fun onHardwareSourceChanged(source: HardwareSource, enabled: Boolean) {
         viewModel.onHardwareSourceChanged(source, enabled)
         if (source == HardwareSource.NMEA_INSTRUMENTS) {
diff --git a/android-app/app/src/main/kotlin/org/terst/nav/ui/safety/SafetyFragment.kt b/android-app/app/src/main/kotlin/org/terst/nav/ui/safety/SafetyFragment.kt
index d906094..c4b6e1e 100644
--- a/android-app/app/src/main/kotlin/org/terst/nav/ui/safety/SafetyFragment.kt
+++ b/android-app/app/src/main/kotlin/org/terst/nav/ui/safety/SafetyFragment.kt
@@ -1,9 +1,12 @@
 package org.terst.nav.ui.safety
 
 import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.EditText
 import android.widget.TextView
 import androidx.core.content.ContextCompat
 import androidx.fragment.app.Fragment
@@ -14,6 +17,7 @@ import org.terst.nav.R
 import org.terst.nav.ais.CpaAlert
 import org.terst.nav.ais.CpaSeverity
 import org.terst.nav.ais.label
+import org.terst.nav.safety.AnchorWatchState
 import org.terst.nav.settings.HardwareSource
 import org.terst.nav.ui.doc.DocFragment
 
@@ -21,7 +25,6 @@ class SafetyFragment : Fragment() {
 
     interface SafetyListener {
         fun onActivateMob()
-        fun onConfigureAnchor()
         fun onHardwareSourceChanged(source: HardwareSource, enabled: Boolean)
         fun onQuitRequested()
     }
@@ -52,9 +55,25 @@ class SafetyFragment : Fragment() {
             listener?.onActivateMob()
         }
 
-        view.findViewById<MaterialButton>(R.id.button_anchor_config).setOnClickListener {
-            listener?.onConfigureAnchor()
+        val etDepth = view.findViewById<EditText>(R.id.et_anchor_depth)
+        val etRode  = view.findViewById<EditText>(R.id.et_anchor_rode)
+        val tvRadius = view.findViewById<TextView>(R.id.tv_anchor_suggested_radius)
+        val watcher = object : TextWatcher {
+            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) = Unit
+            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) = Unit
+            override fun afterTextChanged(s: Editable?) {
+                val depth = etDepth.text.toString().toDoubleOrNull()
+                val rode  = etRode.text.toString().toDoubleOrNull()
+                tvRadius.text = if (depth != null && rode != null && depth >= 0.0 && rode > 0.0) {
+                    val r = AnchorWatchState.calculateRecommendedWatchCircleRadius(depth, 2.0, rode)
+                    getString(R.string.anchor_suggested_radius_fmt, r)
+                } else {
+                    getString(R.string.anchor_suggested_radius_empty)
+                }
+            }
         }
+        etDepth.addTextChangedListener(watcher)
+        etRode.addTextChangedListener(watcher)
 
         val flags = (requireActivity().application as NavApplication).featureFlags
 
diff --git a/android-app/app/src/main/res/layout/fragment_safety.xml b/android-app/app/src/main/res/layout/fragment_safety.xml
index 1072abe..1d499ab 100644
--- a/android-app/app/src/main/res/layout/fragment_safety.xml
+++ b/android-app/app/src/main/res/layout/fragment_safety.xml
@@ -127,13 +127,79 @@
                 android:text="Status: Inactive"
                 android:textColor="?attr/colorOnSurfaceVariant" />
 
-            <com.google.android.material.button.MaterialButton
-                android:id="@+id/button_anchor_config"
-                style="@style/Widget.Material3.Button.TonalButton"
+            <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_marginTop="16dp"
-                android:text="CONFIGURE ANCHOR WATCH" />
+                android:orientation="horizontal"
+                android:layout_marginTop="16dp">
+
+                <LinearLayout
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:orientation="vertical"
+                    android:layout_marginEnd="8dp">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/anchor_depth_label"
+                        android:textSize="12sp"
+                        android:textColor="?attr/colorOnSurfaceVariant" />
+
+                    <EditText
+                        android:id="@+id/et_anchor_depth"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/anchor_depth_hint"
+                        android:inputType="numberDecimal"
+                        android:importantForAutofill="no" />
+
+                </LinearLayout>
+
+                <LinearLayout
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:orientation="vertical"
+                    android:layout_marginStart="8dp">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/anchor_rode_label"
+                        android:textSize="12sp"
+                        android:textColor="?attr/colorOnSurfaceVariant" />
+
+                    <EditText
+                        android:id="@+id/et_anchor_rode"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/anchor_rode_hint"
+                        android:inputType="numberDecimal"
+                        android:importantForAutofill="no" />
+
+                </LinearLayout>
+
+            </LinearLayout>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="12dp"
+                android:text="@string/anchor_suggested_radius_label"
+                android:textSize="12sp"
+                android:textColor="?attr/colorOnSurfaceVariant" />
+
+            <TextView
+                android:id="@+id/tv_anchor_suggested_radius"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="2dp"
+                android:text="@string/anchor_suggested_radius_empty"
+                android:textSize="16sp"
+                android:textStyle="bold"
+                android:textColor="?attr/colorOnSurface" />
 
         </LinearLayout>