Fix android native GSON parsing error

android/build.gradle

@@ -45,6 +45,12 @@ android {
     defaultConfig {
         minSdkVersion 19
     }
+
+    buildTypes {
+        release {
+            consumerProguardFiles 'proguard-rules.pro'
+        }
+    }
 }
 
 dependencies {

android/proguard-rules.pro

@@ -0,0 +1,24 @@
+# Keep all classes in your plugin's package
+-keep class com.gdelataillade.alarm.** { *; }
+
+# Keep all classes related to Gson and prevent them from being obfuscated
+-keep class com.google.gson.** { *; }
+-keep class sun.misc.Unsafe { *; }
+-keepattributes Signature
+-keepattributes *Annotation*
+
+# Prevent stripping of methods/fields annotated with specific annotations, if needed.
+-keepclassmembers class * {
+    @com.google.gson.annotations.SerializedName <fields>;
+}
+
+# Preserve classes that might be used in reflection or through indirect means
+-keepclassmembers class **.R$* {
+    <fields>;
+}
+
+# Avoid stripping enums, if your plugin uses them
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}

android/src/main/kotlin/com/gdelataillade/alarm/models/AlarmSettings.kt

@@ -21,43 +21,35 @@ data class AlarmSettings(
 ) {
     companion object {
         fun fromJson(json: Map<String, Any>): AlarmSettings? {
-            try {
-                val modifiedJson = json.toMutableMap()
+            return try {
+                val gson = Gson()
 
                 // Convert dateTime from microseconds to Date
+                val modifiedJson = json.toMutableMap()
                 val dateTimeMicroseconds = modifiedJson["dateTime"] as? Long
-                if (dateTimeMicroseconds == null) {
+                if (dateTimeMicroseconds != null) {
+                    val dateTimeMilliseconds = dateTimeMicroseconds / 1000
+                    modifiedJson["dateTime"] = Date(dateTimeMilliseconds)
+                } else {
                     Log.e("AlarmSettings", "dateTime is missing or not a Long")
                     return null
                 }
-                val dateTimeMilliseconds = dateTimeMicroseconds / 1000
-                val date = Date(dateTimeMilliseconds.toLong())
-                modifiedJson["dateTime"] = date
-
-                // Convert notificationActionSettings from Map to NotificationActionSettings object
+
+                // Deserialize NotificationActionSettings
                 val notificationActionSettingsMap = modifiedJson["notificationActionSettings"] as? Map<String, Any>
-                if (notificationActionSettingsMap == null) {
+                if (notificationActionSettingsMap != null) {
+                    modifiedJson["notificationActionSettings"] = NotificationActionSettings.fromJson(notificationActionSettingsMap)
+                } else {
                     Log.e("AlarmSettings", "notificationActionSettings is missing or not a Map")
                     return null
                 }
-                val notificationActionSettings = NotificationActionSettings.fromJson(notificationActionSettingsMap)
-                if (notificationActionSettings == null) {
-                    Log.e("AlarmSettings", "Failed to parse notificationActionSettings")
-                    return null
-                }
-                modifiedJson["notificationActionSettings"] = notificationActionSettings
-
+
                 // Convert the modified map to JSON string and deserialize it to an AlarmSettings object
-                val gson = Gson()
                 val jsonString = gson.toJson(modifiedJson)
-                val result = gson.fromJson(jsonString, AlarmSettings::class.java)
-                if (result == null) {
-                    Log.e("AlarmSettings", "Failed to deserialize JSON to AlarmSettings")
-                }
-                return result
+                gson.fromJson(jsonString, AlarmSettings::class.java)
             } catch (e: Exception) {
                 Log.e("AlarmSettings", "Error parsing JSON to AlarmSettings: ${e.message}")
-                return null
+                null
             }
         }
     }