build: android signed release

android/app/build.gradle

@@ -2,10 +2,6 @@ plugins {
     id 'com.android.application'
 }
 
-def keystorePropertiesFile = rootProject.file("keystore.properties")
-def keystoreProperties = new Properties()
-keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
-
 android {
     compileSdk 33
     ndkVersion '26.0.10792818'
@@ -18,20 +14,32 @@ android {
         versionName "0.1.3"
     }
 
-    signingConfigs {
-        release {
-            keyAlias keystoreProperties['keyAlias']
-            keyPassword keystoreProperties['keyPassword']
-            storeFile file(keystoreProperties['storeFile'])
-            storePassword keystoreProperties['storePassword']
+    def keystorePropertiesFile = rootProject.file("keystore.properties")
+    def keystoreProperties = new Properties()
+    if (keystorePropertiesFile.exists()) {
+        keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+
+        signingConfigs {
+            release {
+                keyAlias keystoreProperties['keyAlias']
+                keyPassword keystoreProperties['keyPassword']
+                storeFile file(keystoreProperties['storeFile'])
+                storePassword keystoreProperties['storePassword']
+            }
         }
+
     }
 
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-            signingConfig signingConfigs.release
+        }
+        if (keystorePropertiesFile.exists()) {
+            signedRelease {
+                initWith release
+                signingConfig signingConfigs.release
+            }
         }
         debug {
             minifyEnabled false

scripts/android.sh

@@ -59,12 +59,12 @@ function build_apk() {
 
   cd android
   ./gradlew clean
-  ./gradlew assembleRelease
+  ./gradlew assembleSignedRelease
 
   # Setup release file name
   if [ -n $1 ]; then
     rm -rf grim-${version}-$1.apk
-    mv app/build/outputs/apk/release/app-release.apk grim-${version}-$1.apk
+    mv app/build/outputs/apk/signedRelease/app-signedRelease.apk grim-${version}-$1.apk
   fi
 
   cd ..