From a4f07fcd2d24a058c0dd3c26cc9086689c56a3d6 Mon Sep 17 00:00:00 2001
From: shum <github.shum@liber.li>
Date: Mon, 10 Aug 2026 09:57:34 +0000
Subject: [PATCH] android: get the Google Play account country in the google
 flavor

---
 .../foss/java/chat/simplex/app/PlayStore.kt   |  4 +++
 .../google/java/chat/simplex/app/PlayStore.kt | 31 +++++++++++++++++++
 .../main/java/chat/simplex/app/SimplexApp.kt  |  2 ++
 .../chat/simplex/common/platform/AppCommon.kt |  5 +++
 .../chat/simplex/common/platform/Platform.kt  |  2 ++
 5 files changed, 44 insertions(+)
 create mode 100644 apps/multiplatform/android/src/foss/java/chat/simplex/app/PlayStore.kt
 create mode 100644 apps/multiplatform/android/src/google/java/chat/simplex/app/PlayStore.kt

diff --git a/apps/multiplatform/android/src/foss/java/chat/simplex/app/PlayStore.kt b/apps/multiplatform/android/src/foss/java/chat/simplex/app/PlayStore.kt
new file mode 100644
index 0000000000..181fe42389
--- /dev/null
+++ b/apps/multiplatform/android/src/foss/java/chat/simplex/app/PlayStore.kt
@@ -0,0 +1,4 @@
+package chat.simplex.app
+
+// Play Billing is only in the google flavor, so the Play country stays unknown here
+fun loadPlayStoreCountry() {}
diff --git a/apps/multiplatform/android/src/google/java/chat/simplex/app/PlayStore.kt b/apps/multiplatform/android/src/google/java/chat/simplex/app/PlayStore.kt
new file mode 100644
index 0000000000..a0e7734ff0
--- /dev/null
+++ b/apps/multiplatform/android/src/google/java/chat/simplex/app/PlayStore.kt
@@ -0,0 +1,31 @@
+package chat.simplex.app
+
+import chat.simplex.common.platform.androidAppContext
+import chat.simplex.common.platform.androidPlayStoreCountry
+import com.android.billingclient.api.*
+
+// Requests the country of the Google Play account into [androidPlayStoreCountry].
+// It stays null when Play is unavailable or the user is not signed in.
+fun loadPlayStoreCountry() {
+  val client = BillingClient.newBuilder(androidAppContext)
+    .setListener { _, _ -> }
+    .enablePendingPurchases(PendingPurchasesParams.newBuilder().enableOneTimeProducts().build())
+    .build()
+  client.startConnection(object : BillingClientStateListener {
+    override fun onBillingSetupFinished(result: BillingResult) {
+      if (result.responseCode != BillingClient.BillingResponseCode.OK) {
+        client.endConnection()
+        return
+      }
+      client.getBillingConfigAsync(GetBillingConfigParams.newBuilder().build()) { configResult, config ->
+        if (configResult.responseCode == BillingClient.BillingResponseCode.OK) {
+          androidPlayStoreCountry.value = config?.countryCode
+        }
+        client.endConnection()
+      }
+    }
+
+    // The connection is only used for this one request, it is not retried
+    override fun onBillingServiceDisconnected() = client.endConnection()
+  })
+}
diff --git a/apps/multiplatform/android/src/main/java/chat/simplex/app/SimplexApp.kt b/apps/multiplatform/android/src/main/java/chat/simplex/app/SimplexApp.kt
index 2772922fac..ce47d2c5de 100644
--- a/apps/multiplatform/android/src/main/java/chat/simplex/app/SimplexApp.kt
+++ b/apps/multiplatform/android/src/main/java/chat/simplex/app/SimplexApp.kt
@@ -341,6 +341,8 @@ class SimplexApp: Application(), LifecycleEventObserver {
 
       override fun androidIsXiaomiDevice(): Boolean = setOf("xiaomi", "redmi", "poco").contains(Build.BRAND.lowercase())
 
+      override fun androidLoadPlayStoreCountry() = loadPlayStoreCountry()
+
       @SuppressLint("SourceLockedOrientationActivity")
       @Composable
       override fun androidLockPortraitOrientation() {
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/AppCommon.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/AppCommon.kt
index 7a96bd99d2..140c1951ee 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/AppCommon.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/AppCommon.kt
@@ -1,5 +1,7 @@
 package chat.simplex.common.platform
 
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
 import chat.simplex.common.BuildConfigCommon
 import chat.simplex.common.model.*
 import chat.simplex.common.ui.theme.DefaultTheme
@@ -30,6 +32,9 @@ else
 
 val databaseBackend: String = if (appPlatform == AppPlatform.ANDROID) "sqlite" else BuildConfigCommon.DATABASE_BACKEND
 
+// Country of the Google Play account, only set in the google flavor of the Android app
+val androidPlayStoreCountry: MutableState<String?> = mutableStateOf(null)
+
 class FifoQueue<E>(private var capacity: Int) : LinkedList<E>() {
   override fun add(element: E): Boolean {
     if (size > capacity) removeFirstOrNull()
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Platform.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Platform.kt
index dc6bdf9b2f..b46123c9cf 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Platform.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Platform.kt
@@ -29,6 +29,8 @@ interface PlatformInterface {
   fun androidRestartNetworkObserver() {}
   fun androidCreateActiveCallState(): Closeable = Closeable { }
   fun androidIsXiaomiDevice(): Boolean = false
+  // Requests the Google Play account country into [androidPlayStoreCountry]
+  fun androidLoadPlayStoreCountry() {}
   val androidApiLevel: Int? get() = null
   // The build distributed via Google Play, which has to follow its policies
   val androidIsPlayStoreBuild: Boolean get() = false