Implemented the Play Store readiness pass.

app/build.gradle.kts

@@ -1,8 +1,32 @@
+import java.util.Properties
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.compose)
 }
 
+val localProperties = Properties().apply {
+    val file = rootProject.file("local.properties")
+    if (file.isFile) {
+        file.inputStream().use { load(it) }
+    }
+}
+
+fun releaseSecret(name: String): String? {
+    return providers.environmentVariable(name).orNull ?: localProperties.getProperty(name)
+}
+
+val releaseStoreFile = releaseSecret("NGX_RELEASE_STORE_FILE")
+val releaseStorePassword = releaseSecret("NGX_RELEASE_STORE_PASSWORD")
+val releaseKeyAlias = releaseSecret("NGX_RELEASE_KEY_ALIAS")
+val releaseKeyPassword = releaseSecret("NGX_RELEASE_KEY_PASSWORD")
+val hasReleaseSigning = listOf(
+    releaseStoreFile,
+    releaseStorePassword,
+    releaseKeyAlias,
+    releaseKeyPassword,
+).all { !it.isNullOrBlank() }
+
 android {
     namespace = "net.rodakot.ngxhttpmonitoringclient"
     compileSdk {
@@ -15,15 +39,30 @@ android {
         applicationId = "net.rodakot.ngxhttpmonitoringclient"
         minSdk = 24
         targetSdk = 36
-        versionCode = 1
-        versionName = "1.0"
+        versionCode = (providers.gradleProperty("VERSION_CODE").orNull ?: "1").toInt()
+        versionName = providers.gradleProperty("VERSION_NAME").orNull ?: "1.0.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
 
+    signingConfigs {
+        if (hasReleaseSigning) {
+            create("release") {
+                storeFile = file(releaseStoreFile!!)
+                storePassword = releaseStorePassword
+                keyAlias = releaseKeyAlias
+                keyPassword = releaseKeyPassword
+            }
+        }
+    }
+
     buildTypes {
         release {
-            isMinifyEnabled = false
+            isMinifyEnabled = true
+            isShrinkResources = true
+            if (hasReleaseSigning) {
+                signingConfig = signingConfigs.getByName("release")
+            }
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"

app/src/main/AndroidManifest.xml

@@ -8,7 +8,8 @@
 
     <application
         android:name=".NgxMonitorApplication"
-        android:allowBackup="true"
+        android:allowBackup="false"
+        android:appCategory="productivity"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"

app/src/main/java/net/rodakot/ngxhttpmonitoringclient/ui/MonitorApp.kt

@@ -587,17 +587,27 @@ private fun HistoryCockpit(history: List<MetricSummary>) {
 
 @Composable
 private fun SettingsCockpit(server: ServerProfile, controller: MonitorController) {
-    DataPanel("Alert Rules") {
-        Column(verticalArrangement = Arrangement.spacedBy(10.dp)) {
-            RuleRow("CPU limit", "${server.alertOverrides.cpuPercent ?: DefaultCpuThreshold}%")
-            RuleRow("Memory limit", "${server.alertOverrides.memoryPercent ?: DefaultMemoryThreshold}%")
-            RuleRow("Disk limit", "${server.alertOverrides.diskPercent ?: DefaultDiskThreshold}%")
-            RuleRow("p95 latency", "${(server.alertOverrides.latencyP95Millis ?: DefaultLatencyP95ThresholdMs).toInt()} ms")
-            RuleRow("5xx limit", "${server.alertOverrides.errors5xx ?: DefaultErrors5xxThreshold}")
-            RuleRow("Fallback IPs", server.fallbackIpAddresses.ifEmpty { listOf("None") }.joinToString(", "))
-            Row(horizontalArrangement = Arrangement.spacedBy(10.dp)) {
-                Button(onClick = controller::showEditSelectedServer, shape = RoundedCornerShape(8.dp)) { Text("Edit") }
-                OutlinedButton(onClick = controller::deleteSelectedServer, shape = RoundedCornerShape(8.dp)) { Text("Delete") }
+    Column(verticalArrangement = Arrangement.spacedBy(16.dp)) {
+        DataPanel("Alert Rules") {
+            Column(verticalArrangement = Arrangement.spacedBy(10.dp)) {
+                RuleRow("CPU limit", "${server.alertOverrides.cpuPercent ?: DefaultCpuThreshold}%")
+                RuleRow("Memory limit", "${server.alertOverrides.memoryPercent ?: DefaultMemoryThreshold}%")
+                RuleRow("Disk limit", "${server.alertOverrides.diskPercent ?: DefaultDiskThreshold}%")
+                RuleRow("p95 latency", "${(server.alertOverrides.latencyP95Millis ?: DefaultLatencyP95ThresholdMs).toInt()} ms")
+                RuleRow("5xx limit", "${server.alertOverrides.errors5xx ?: DefaultErrors5xxThreshold}")
+                RuleRow("Fallback IPs", server.fallbackIpAddresses.ifEmpty { listOf("None") }.joinToString(", "))
+                Row(horizontalArrangement = Arrangement.spacedBy(10.dp)) {
+                    Button(onClick = controller::showEditSelectedServer, shape = RoundedCornerShape(8.dp)) { Text("Edit") }
+                    OutlinedButton(onClick = controller::deleteSelectedServer, shape = RoundedCornerShape(8.dp)) { Text("Delete") }
+                }
+            }
+        }
+        DataPanel("Privacy") {
+            Column(verticalArrangement = Arrangement.spacedBy(10.dp)) {
+                RuleRow("Storage", "Server profiles, credentials, samples, alerts, and widget choices stay on this device.")
+                RuleRow("Credentials", "Monitor tokens and Basic Auth passwords are encrypted with Android Keystore.")
+                RuleRow("Network", "The app connects only to monitor endpoints configured by the user.")
+                RuleRow("Backups", "Android cloud backup and device transfer are disabled for app data.")
             }
         }
     }

app/src/main/java/net/rodakot/ngxhttpmonitoringclient/widget/WidgetConfigureActivities.kt

@@ -6,6 +6,7 @@ import android.content.Intent
 import android.graphics.Color
 import android.os.Bundle
 import android.view.Gravity
+import android.view.View
 import android.view.ViewGroup
 import android.widget.ArrayAdapter
 import android.widget.Button
@@ -66,14 +67,14 @@ abstract class BaseWidgetConfigureActivity : Activity() {
             orientation = RadioGroup.VERTICAL
             servers.forEachIndexed { index, server ->
                 addView(RadioButton(this@BaseWidgetConfigureActivity).apply {
-                    id = index + 1
+                    id = View.generateViewId()
                     text = server.name
                     setTextColor(Color.rgb(234, 240, 247))
                     textSize = 16f
                     setPadding(0, 10, 0, 10)
                 })
             }
-            check(1)
+            check(getChildAt(0).id)
         }
         val scroll = ScrollView(this).apply {
             addView(serverGroup)
@@ -98,7 +99,8 @@ abstract class BaseWidgetConfigureActivity : Activity() {
         }
 
         root.addView(actionButton("Add ${mode.buttonLabel}") {
-            val serverIndex = (serverGroup.checkedRadioButtonId - 1).coerceAtLeast(0)
+            val checkedView = serverGroup.findViewById<RadioButton>(serverGroup.checkedRadioButtonId)
+            val serverIndex = serverGroup.indexOfChild(checkedView).coerceAtLeast(0)
             val server = servers[serverIndex]
             when (mode) {
                 WidgetConfigureMode.Server -> {

app/src/main/res/values/themes.xml

@@ -5,7 +5,6 @@
         <item name="android:windowNoTitle">true</item>
         <item name="android:windowActionBar">false</item>
         <item name="android:windowLightStatusBar">false</item>
-        <item name="android:windowLightNavigationBar">false</item>
         <item name="android:windowBackground">@color/command_black</item>
         <item name="android:fontFamily">sans</item>
         <item name="android:colorAccent">@color/signal_green</item>

app/src/main/res/xml/backup_rules.xml

@@ -1,13 +1,12 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-   Sample backup rules file; uncomment and customize as necessary.
-   See https://developer.android.com/guide/topics/data/autobackup
-   for details.
-   Note: This file is ignored for devices older than API 31
-   See https://developer.android.com/about/versions/12/backup-restore
--->
+<?xml version="1.0" encoding="utf-8"?>
 <full-backup-content>
-    <!--
-   <include domain="sharedpref" path="."/>
-   <exclude domain="sharedpref" path="device.xml"/>
--->
-</full-backup-content>
+    <exclude
+        domain="database"
+        path="." />
+    <exclude
+        domain="sharedpref"
+        path="." />
+    <exclude
+        domain="file"
+        path="." />
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -1,19 +1,25 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-   Sample data extraction rules file; uncomment and customize as necessary.
-   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
-   for details.
--->
+<?xml version="1.0" encoding="utf-8"?>
 <data-extraction-rules>
     <cloud-backup>
-        <!-- TODO: Use <include> and <exclude> to control what is backed up.
-        <include .../>
-        <exclude .../>
-        -->
+        <exclude
+            domain="database"
+            path="." />
+        <exclude
+            domain="sharedpref"
+            path="." />
+        <exclude
+            domain="file"
+            path="." />
     </cloud-backup>
-    <!--
     <device-transfer>
-        <include .../>
-        <exclude .../>
+        <exclude
+            domain="database"
+            path="." />
+        <exclude
+            domain="sharedpref"
+            path="." />
+        <exclude
+            domain="file"
+            path="." />
     </device-transfer>
-    -->
-</data-extraction-rules>
+</data-extraction-rules>