set up signing and a new release test command

android/app/build.gradle

@@ -135,7 +135,7 @@ android {
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode 1
-        versionName "1.0"
+        versionName "1.0.0"
     }
     splits {
         abi {
@@ -152,15 +152,25 @@ android {
             keyAlias 'androiddebugkey'
             keyPassword 'android'
         }
+        release {
+            if (project.hasProperty("SUBTRACKS_UPLOAD_STORE_FILE")) {
+                storeFile file(SUBTRACKS_UPLOAD_STORE_FILE)
+                storePassword SUBTRACKS_UPLOAD_STORE_PASSWORD
+                keyAlias SUBTRACKS_UPLOAD_KEY_ALIAS
+                keyPassword SUBTRACKS_UPLOAD_KEY_PASSWORD
+            }
+        }
     }
     buildTypes {
         debug {
             signingConfig signingConfigs.debug
         }
         release {
-            // Caution! In production, you need to generate your own keystore file.
-            // see https://reactnative.dev/docs/signed-apk-android.
-            signingConfig signingConfigs.debug
+            if (project.hasProperty("signReleaseWithDebug")) {
+                signingConfig signingConfigs.debug
+            } else {
+                signingConfig signingConfigs.release
+            }
             minifyEnabled enableProguardInReleaseBuilds
             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
         }

package.json

@@ -5,6 +5,7 @@
   "license": "GPL-3.0-only",
   "scripts": {
     "android": "react-native run-android",
+    "android-release": "./android/gradlew -p android assembleRelease -PsignReleaseWithDebug=true && adb install -r android/app/build/outputs/apk/release/app-release.apk && adb shell am start -n com.subtracks/.MainActivity",
     "start": "react-native start",
     "test": "jest",
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx"