update app configuration

android/app/build.gradle

@@ -82,7 +82,7 @@ import com.android.build.OutputFile
 
 project.ext.react = [
     entryFile: "index.js",
-    enableHermes: false,  // clean and rebuild if changing
+    enableHermes: true,  // clean and rebuild if changing
 ]
 
 apply from: "../../node_modules/react-native/react.gradle"
@@ -100,7 +100,7 @@ def enableSeparateBuildPerCPUArchitecture = false
 /**
  * Run Proguard to shrink the Java bytecode in release builds.
  */
-def enableProguardInReleaseBuilds = false
+def enableProguardInReleaseBuilds = true
 
 /**
  * The preferred build flavor of JavaScriptCore.
@@ -203,7 +203,7 @@ dependencies {
     implementation 'com.argyle:argyle-plugin-android-source:3.0.1'
 
     if (enableHermes) {
-      def hermesPath = "../../node_modules/hermesvm/android/";
+      def hermesPath = "../../node_modules/hermes-engine/android/";
       debugImplementation files(hermesPath + "hermes-debug.aar")
       releaseImplementation files(hermesPath + "hermes-release.aar")
     } else {

android/app/proguard-rules.pro

@@ -10,3 +10,43 @@
 # Add any project specific keep options here:
 
 -keep class com.argyle.** { *; }
+
+-keepclassmembers enum * { *; }
+
+-keepclassmembers class * { public <init>(...); }
+
+-keep class com.facebook.hermes.unicode.** { *; }
+-keep class com.facebook.jni.** { *; }
+
+##---------------Begin: proguard configuration for Gson  ----------
+# Gson uses generic type information stored in a class file when working with fields. Proguard
+# removes such information by default, so configure it to keep all of it.
+-keepattributes Signature
+
+# For using GSON @Expose annotation
+-keepattributes *Annotation*
+
+# Gson specific classes
+-dontwarn sun.misc.**
+#-keep class com.google.gson.stream.** { *; }
+
+# Application classes that will be serialized/deserialized over Gson
+-keep class com.google.gson.examples.android.model.** { <fields>; }
+
+# Prevent proguard from stripping interface information from TypeAdapter, TypeAdapterFactory,
+# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
+-keep class * extends com.google.gson.TypeAdapter
+-keep class * implements com.google.gson.TypeAdapterFactory
+-keep class * implements com.google.gson.JsonSerializer
+-keep class * implements com.google.gson.JsonDeserializer
+
+# Prevent R8 from leaving Data object members always null
+-keepclassmembers,allowobfuscation class * {
+  @com.google.gson.annotations.SerializedName <fields>;
+}
+
+# Retain generic signatures of TypeToken and its subclasses with R8 version 3.0 and higher.
+-keep,allowobfuscation,allowshrinking class com.google.gson.reflect.TypeToken
+-keep,allowobfuscation,allowshrinking class * extends com.google.gson.reflect.TypeToken
+
+##---------------End: proguard configuration for Gson  ----------

android/build.gradle

@@ -2,12 +2,12 @@
 
 buildscript {
     ext {
-        buildToolsVersion = "29.0.3"
+        buildToolsVersion = "31.0.0"
         minSdkVersion = 23
         compileSdkVersion = 31
         targetSdkVersion = 30
         supportLibVersion = "28.0.0"
-        // kotlin_version = '1.3.21'
+        kotlin_version = '1.6.21'
         ndkVersion = "20.1.5948944"
     }
     repositories {

package.json

@@ -9,7 +9,7 @@
     "test": "jest"
   },
   "dependencies": {
-    "@argyleio/argyle-plugin-react-native": "4.2.2",
+    "@argyleio/argyle-plugin-react-native": "4.2.3",
     "@react-native-community/async-storage": "latest",
     "react": "17.0.2",
     "react-native": "^0.66.4",