Legg til haptisk tilbakemelding på knappetrykk og listeval (#11)

Android: HapticFeedbackConstants.VIRTUAL_KEY på alle knappar og
listeelement. PWA: navigator.vibrate(10ms) på same interaksjonar.

Closes #11

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/src/main/java/no/naiv/tilfluktsrom/MainActivity.kt

@@ -3,6 +3,7 @@ package no.naiv.tilfluktsrom
 import android.Manifest
 import android.content.Context
 import android.content.Intent
+import android.view.HapticFeedbackConstants
 import android.content.pm.PackageManager
 import android.hardware.Sensor
 import android.hardware.SensorEvent
@@ -202,6 +203,7 @@ class MainActivity : AppCompatActivity(), SensorEventListener {
 
     private fun setupButtons() {
         binding.toggleViewFab.setOnClickListener {
+            it.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY)
             isCompassMode = !isCompassMode
             if (isCompassMode) {
                 binding.mapView.visibility = View.GONE
@@ -216,24 +218,29 @@ class MainActivity : AppCompatActivity(), SensorEventListener {
 
         // Reset to navigation: re-fit map to show user + selected shelter
         binding.resetNavigationFab.setOnClickListener {
+            it.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY)
             userHasInteractedWithMap = false
             binding.resetNavigationFab.visibility = View.GONE
             selectedShelter?.let { highlightShelterOnMap(it) }
         }
 
         binding.infoButton.setOnClickListener {
+            it.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY)
             CivilDefenseInfoDialog().show(supportFragmentManager, CivilDefenseInfoDialog.TAG)
         }
 
         binding.refreshButton.setOnClickListener {
+            it.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY)
             forceRefresh()
         }
 
         binding.shareButton.setOnClickListener {
+            it.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY)
             shareShelter()
         }
 
         binding.cacheRetryButton.setOnClickListener {
+            it.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY)
             val loc = currentLocation
             if (loc == null) {
                 Toast.makeText(this, R.string.status_no_location, Toast.LENGTH_SHORT).show()

app/src/main/java/no/naiv/tilfluktsrom/ui/ShelterListAdapter.kt

@@ -1,5 +1,6 @@
 package no.naiv.tilfluktsrom.ui
 
+import android.view.HapticFeedbackConstants
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.DiffUtil
@@ -63,6 +64,7 @@ class ShelterListAdapter(
             binding.root.alpha = if (isSelected) 1.0f else 0.7f
 
             binding.root.setOnClickListener {
+                it.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY)
                 val pos = adapterPosition
                 if (pos != RecyclerView.NO_POSITION) {
                     selectPosition(pos)

pwa/src/app.ts

@@ -76,6 +76,7 @@ function setupButtons(): void {
   // Toggle map/compass
   const toggleFab = document.getElementById('toggle-fab')!;
   toggleFab.addEventListener('click', async () => {
+    navigator.vibrate?.(10);
     isCompassMode = !isCompassMode;
 
     const mapContainer = document.getElementById('map-container')!;
@@ -112,6 +113,7 @@ function setupButtons(): void {
   const cacheRetryBtn = document.getElementById('cache-retry-btn')!;
   cacheRetryBtn.textContent = t('action_cache_now');
   cacheRetryBtn.addEventListener('click', () => {
+    navigator.vibrate?.(10);
     if (currentLocation && navigator.onLine) {
       startCaching(currentLocation.latitude, currentLocation.longitude);
     }
@@ -120,6 +122,7 @@ function setupButtons(): void {
   // Reset view button
   const resetBtn = document.getElementById('reset-view-btn')!;
   resetBtn.addEventListener('click', () => {
+    navigator.vibrate?.(10);
     const selected = nearestShelters[selectedShelterIndex] ?? null;
     mapView.resetView(selected, currentLocation);
     resetBtn.classList.remove('visible');

pwa/src/ui/shelter-list.ts

@@ -52,6 +52,7 @@ export function updateList(
     item.appendChild(addressSpan);
     item.appendChild(detailsSpan);
     item.addEventListener('click', () => {
+      navigator.vibrate?.(10);
       onSelect?.(i);
     });
     container!.appendChild(item);

pwa/src/ui/status-bar.ts

@@ -11,5 +11,8 @@ export function setStatus(text: string): void {
 /** Set the refresh button click handler. */
 export function onRefreshClick(handler: () => void): void {
   const btn = document.getElementById('refresh-btn');
-  if (btn) btn.addEventListener('click', handler);
+  if (btn) btn.addEventListener('click', () => {
+    navigator.vibrate?.(10);
+    handler();
+  });
 }