From 781a896d029e9c51e3bc37807a63ba0ae2181c40 Mon Sep 17 00:00:00 2001
From: Yun Chan <yunchan@twentyoz.kr>
Date: Thu, 20 Aug 2026 21:58:07 +0900
Subject: [PATCH] build(android): configure production RSA-2048 release
 keystore with APK Signature Scheme v2/v3

---
 apps/mobile-rn/android/app/build.gradle | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/apps/mobile-rn/android/app/build.gradle b/apps/mobile-rn/android/app/build.gradle
index 6d6c947..78fae42 100644
--- a/apps/mobile-rn/android/app/build.gradle
+++ b/apps/mobile-rn/android/app/build.gradle
@@ -95,15 +95,23 @@ android {
             keyAlias 'androiddebugkey'
             keyPassword 'android'
         }
+        release {
+            storeFile file('d3ro-release-key.keystore')
+            storePassword 'd3rovoice2026'
+            keyAlias 'd3ro-release-key'
+            keyPassword 'd3rovoice2026'
+            v1SigningEnabled true
+            v2SigningEnabled true
+            enableV3Signing = true
+            enableV4Signing = true
+        }
     }
     buildTypes {
         debug {
-            signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
         }
         release {
-            // Caution! In production, you need to generate your own keystore file.
-            // see https://reactnative.dev/docs/signed-apk-android.
-            signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
             minifyEnabled enableProguardInReleaseBuilds
             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
         }