Fix kiosk LAN discovery and improve OTA update detection.

Discovery no longer aborts after 3s idle, probes priority hosts (.128, gateway) first, accepts ping API and normalizes HTTPS URLs. OTA compares versionCode from release notes; bump kiosk to 1.7.18.

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/workflows/build-kiosk.yml

@@ -37,8 +37,10 @@ jobs:
         id: version
         run: |
           VERSION=$(grep 'versionName' evershelf-kiosk/app/build.gradle.kts | grep -oP '"\K[^"]+')
+          VCODE=$(grep 'versionCode' evershelf-kiosk/app/build.gradle.kts | grep -oP '\d+')
           echo "name=$VERSION" >> "$GITHUB_OUTPUT"
-          echo "Kiosk version: $VERSION"
+          echo "code=$VCODE" >> "$GITHUB_OUTPUT"
+          echo "Kiosk version: $VERSION (versionCode $VCODE)"
 
       - name: Build debug APK
         run: gradle assembleDebug --no-daemon
@@ -75,7 +77,7 @@ jobs:
           sleep 3
           gh release create kiosk-latest \
             --title "EverShelf Kiosk Latest" \
-            --notes "Alias automatico → kiosk-${{ steps.version.outputs.name }}" \
+            --notes "Alias automatico → kiosk-${{ steps.version.outputs.name }} (versionCode ${{ steps.version.outputs.code }})" \
             --prerelease \
             artifacts/evershelf-kiosk.apk
 

evershelf-kiosk/app/build.gradle.kts

@@ -11,8 +11,8 @@ android {
         applicationId = "it.dadaloop.evershelf.kiosk"
         minSdk = 24
         targetSdk = 35
-        versionCode = 18
+        versionCode = 19
-        versionName = "1.7.17"
+        versionName = "1.7.18"
     }
 
     signingConfigs {

evershelf-kiosk/app/src/main/kotlin/it/dadaloop/evershelf/kiosk/KioskActivity.kt

@@ -667,10 +667,15 @@ class KioskActivity : AppCompatActivity() {
                     packageManager.getPackageInfo(packageName, 0).versionName ?: ""
                 } catch (_: Exception) { "" }
 
+                val installedVc: Long = try {
+                    val pi = packageManager.getPackageInfo(packageName, 0)
+                    if (Build.VERSION.SDK_INT >= 28) pi.longVersionCode
+                    else @Suppress("DEPRECATION") pi.versionCode.toLong()
+                } catch (_: Exception) { -1L }
+
                 // The kiosk-latest release uses a non-semver tag ("kiosk-latest").
                 // Extract the actual kiosk version from the release body text.
-                // Body format: "Alias automatico → kiosk-X.Y.Z" or just "kiosk-X.Y.Z".
+                // Body format: "Alias automatico → kiosk-X.Y.Z (versionCode N)".
-                // Fall back to stripping the tag prefix if body parsing fails.
                 val bodyText = json.optString("body", "")
                 val norm = { v: String -> v.replace(Regex("^[^0-9]*"), "") }
                 val remoteKioskVersion = Regex("""kiosk-v?(\d+\.\d+(?:\.\d+)?)""")
@@ -678,6 +683,9 @@ class KioskActivity : AppCompatActivity() {
                     ?.takeIf { it.isNotEmpty() }
                     ?: norm(latestTag)
 
+                val remoteVc = Regex("""versionCode[=:\s(]+(\d+)""", RegexOption.IGNORE_CASE)
+                    .find(bodyText)?.groupValues?.get(1)?.toLongOrNull() ?: -1L
+
                 // Compare semver: returns true if `remote` is strictly greater than `local`
                 fun semverNewer(remote: String, local: String): Boolean {
                     val r = remote.split(".").map { it.filter(Char::isDigit).toIntOrNull() ?: 0 }
@@ -707,10 +715,11 @@ class KioskActivity : AppCompatActivity() {
                 }
                 if (kioskApkUrl.isEmpty()) kioskApkUrl = KIOSK_DOWNLOAD_URL
 
-                // Only flag an update when the remote version is parseable as semver AND
+                val kioskNeedsUpdate = when {
-                // strictly greater than the installed version.
+                    remoteVc > 0 && installedVc >= 0 -> remoteVc > installedVc
-                val kioskNeedsUpdate = currentKiosk.isNotEmpty() && isSemver &&
+                    currentKiosk.isNotEmpty() && isSemver -> semverNewer(remoteKioskVersion, currentKiosk)
-                    semverNewer(remoteKioskVersion, currentKiosk)
+                    else -> false
+                }
 
                 val result = JSONObject()
                     .put("has_update", kioskNeedsUpdate)

evershelf-kiosk/app/src/main/kotlin/it/dadaloop/evershelf/kiosk/SetupActivity.kt

@@ -697,6 +697,58 @@ class SetupActivity : AppCompatActivity() {
         })
     }
 
+    private fun normalizeDiscoveredBase(urlStr: String): String {
+        var base = urlStr.substringBefore("/api/")
+        if (base.endsWith(":443")) base = base.removeSuffix(":443")
+        if (base.endsWith(":80"))  base = base.removeSuffix(":80")
+        return if (base.endsWith("/")) base else "$base/"
+    }
+
+    private fun probeEverShelfEndpoint(urlStr: String): String? {
+        return try {
+            val conn = openConn(urlStr) ?: return null
+            val code = conn.responseCode
+            if (code !in 200..399) {
+                conn.disconnect()
+                return null
+            }
+            val body = conn.inputStream.bufferedReader().readText()
+            conn.disconnect()
+            if (body.contains("gemini_key_set") || body.contains("\"success\"") || body.contains("\"ok\"")) {
+                normalizeDiscoveredBase(urlStr)
+            } else null
+        } catch (_: Exception) {
+            null
+        }
+    }
+
+    private fun probeEverShelfHost(ip: String, port: Int): String? {
+        val reachable = try {
+            Socket().use { s -> s.connect(InetSocketAddress(ip, port), 800); true }
+        } catch (_: Exception) {
+            false
+        }
+        if (!reachable) return null
+
+        val scheme = if (port == 443 || port == 8443) "https" else "http"
+        val portInUrl = when {
+            scheme == "https" && port == 443  -> ""
+            scheme == "http"  && port == 80   -> ""
+            else -> ":$port"
+        }
+        val paths = listOf(
+            "/dispensa/api/index.php?action=ping",
+            "/api/index.php?action=ping",
+            "/dispensa/api/index.php?action=get_settings",
+            "/api/index.php?action=get_settings",
+            "/evershelf/api/index.php?action=get_settings",
+        )
+        for (path in paths) {
+            probeEverShelfEndpoint("$scheme://$ip$portInUrl$path")?.let { return it }
+        }
+        return null
+    }
+
     private fun openConn(urlStr: String): HttpURLConnection? {
         return try {
             val conn = URL(urlStr).openConnection()
@@ -772,9 +824,52 @@ class SetupActivity : AppCompatActivity() {
             runOnUiThread { discoverStatus.text = "📡  $detectedLabel" }
 
             val ports = listOf(443, 80, 8080, 8443)
+
+            // ── 1b. Fast path: likely hosts on Wi-Fi subnet (incl. .128) before full sweep ─
+            val priorityIps = linkedSetOf<String>()
+            try {
+                val ifaces = NetworkInterface.getNetworkInterfaces()
+                while (ifaces != null && ifaces.hasMoreElements()) {
+                    val intf = ifaces.nextElement()
+                    if (!intf.isUp || intf.isLoopback) continue
+                    for (addr in intf.interfaceAddresses) {
+                        val ip = addr.address
+                        if (ip is java.net.Inet4Address && !ip.isLoopbackAddress) {
+                            priorityIps.add(ip.hostAddress ?: continue)
+                        }
+                    }
+                }
+            } catch (_: Exception) {}
+            for (subnet in wifiSubnets.ifEmpty { subnets.take(1) }) {
+                for (last in listOf(1, 128, 100, 10, 50, 254)) {
+                    priorityIps.add("$subnet.$last")
+                }
+            }
+
+            runOnUiThread { discoverStatus.text = "🔍  ${getString(R.string.setup_discovering_detail)}" }
+            for (ip in priorityIps) {
+                if (discoverCancelled.get()) break
+                for (port in ports) {
+                    val hit = probeEverShelfHost(ip, port)
+                    if (hit != null) {
+                        runOnUiThread {
+                            urlEdit.setText(hit)
+                            discoverStatus.text = "✅ ${getString(R.string.setup_server_found)}: $hit"
+                            discoverStatus.setTextColor(0xFF34d399.toInt())
+                            showUrlStatus("✅ ${getString(R.string.setup_server_found)}", true)
+                            btnDiscover.isEnabled = true
+                            btnDiscover.text = getString(R.string.setup_discover_btn)
+                        }
+                        return@Thread
+                    }
+                }
+            }
+
             val paths = listOf(
-                "/api/index.php?action=get_settings",
+                "/dispensa/api/index.php?action=ping",
+                "/api/index.php?action=ping",
                 "/dispensa/api/index.php?action=get_settings",
+                "/api/index.php?action=get_settings",
                 "/evershelf/api/index.php?action=get_settings",
             )
 
@@ -819,30 +914,24 @@ class SetupActivity : AppCompatActivity() {
 
                     // Full HTTP probe on reachable host
                     val scheme = if (port == 443 || port == 8443) "https" else "http"
+                    val portInUrl = when {
+                        scheme == "https" && port == 443  -> ""
+                        scheme == "http"  && port == 80   -> ""
+                        else -> ":$port"
+                    }
                     for (path in paths) {
                         if (discoverCancelled.get() || found.get()) break
-                        val urlStr = "$scheme://$ip:$port$path"
+                        probeEverShelfEndpoint("$scheme://$ip$portInUrl$path")?.let { return@submit it }
-                        try {
-                            val conn = openConn(urlStr) ?: continue
-                            val code = conn.responseCode
-                            if (code in 200..399) {
-                                val body = conn.inputStream.bufferedReader().readText()
-                                conn.disconnect()
-                                if (body.contains("gemini_key_set") || body.contains("\"success\"")) {
-                                    return@submit urlStr.substringBefore("/api/") + "/"
-                                }
-                            } else conn.disconnect()
-                        } catch (_: Exception) {}
                     }
                     null
                 }
             }
 
-            // ── 3. Collect results as they complete (not in submission order) ────
+            // ── 3. Collect results until all tasks finish or a server is found ────
             var result: String? = null
             var collected = 0
-            while (collected < total && !discoverCancelled.get()) {
+            while (collected < total && !discoverCancelled.get() && result == null) {
-                val future = cs.poll(3, TimeUnit.SECONDS) ?: break
+                val future = cs.poll(500, TimeUnit.MILLISECONDS) ?: continue
                 collected++
                 val r = try { future.get() } catch (_: Exception) { null }
                 if (r != null && found.compareAndSet(false, true)) {