Sourav/native dark theme

loans/android/build.gradle

@@ -64,5 +64,5 @@ android {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'com.smallcase.loans:sdk:5.1.3'
+    implementation 'com.smallcase.loans:sdk-sourav-native-dark-theme-cb54bf9:5.1.4-92-release'
 }

loans/android/src/main/kotlin/com/example/scloans/ScLoanFlutterPlugin.kt

@@ -58,6 +58,21 @@ class ScLoanFlutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware {
 
     }
 
+    // colorScheme rides the bridge as a primitive string and is mapped back to the native
+    // enum here. Unknown/absent → null so the SDK keeps its light-default behaviour.
+    private fun parseColorScheme(value: String?): ScLoanColorScheme? = when (value) {
+        "dark" -> ScLoanColorScheme.DARK
+        "light" -> ScLoanColorScheme.LIGHT
+        "system" -> ScLoanColorScheme.SYSTEM
+        else -> null
+    }
+
+    private fun buildLoanInfo(call: MethodCall): ScLoanInfo {
+        val interactionToken: String = call.argument("interactionToken") ?: ""
+        val colorScheme = parseColorScheme(call.argument("colorScheme"))
+        return ScLoanInfo(interactionToken, colorScheme)
+    }
+
     override fun onMethodCall(call: MethodCall, result: MethodChannel.Result) {
 
         val safeResult = ScLoanMethodChannelResult(result, activity)
@@ -88,11 +103,9 @@ class ScLoanFlutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware {
                 )
             }
             "apply" -> {
-                val interactionToken: String? = call.argument("interactionToken")
-
                 ScLoan.apply(
                     activity,
-                    ScLoanInfo(interactionToken ?: ""),
+                    buildLoanInfo(call),
                     listener = object : ScLoanResult {
                         override fun onFailure(error: ScLoanError) {
                             safeResult.error(error.code.toString(), error.message, error.toString())
@@ -106,11 +119,9 @@ class ScLoanFlutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware {
                 )
             }
             "pay" -> {
-                val interactionToken: String? = call.argument("interactionToken")
-
                 ScLoan.pay(
                     activity,
-                    ScLoanInfo(interactionToken ?: ""),
+                    buildLoanInfo(call),
                     listener = object : ScLoanResult {
                         override fun onFailure(error: ScLoanError) {
                             safeResult.error(error.code.toString(), error.message, error.toString())
@@ -124,11 +135,9 @@ class ScLoanFlutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware {
                 )
             }
             "withdraw" -> {
-                val interactionToken: String? = call.argument("interactionToken")
-
                 ScLoan.withdraw(
                     activity,
-                    ScLoanInfo(interactionToken ?: ""),
+                    buildLoanInfo(call),
                     listener = object : ScLoanResult {
                         override fun onFailure(error: ScLoanError) {
                             safeResult.error(error.code.toString(), error.message, error.toString())
@@ -142,11 +151,9 @@ class ScLoanFlutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware {
                 )
             }
             "service" -> {
-                val interactionToken: String? = call.argument("interactionToken")
-
                 ScLoan.service(
                     activity,
-                    ScLoanInfo(interactionToken ?: ""),
+                    buildLoanInfo(call),
                     listener = object : ScLoanResult {
                         override fun onFailure(error: ScLoanError) {
                             safeResult.error(error.code.toString(), error.message, error.toString())
@@ -160,11 +167,9 @@ class ScLoanFlutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware {
                 )
             }
             "triggerInteraction" -> {
-                val interactionToken: String? = call.argument("interactionToken")
-
                 ScLoan.triggerInteraction(
                     activity,
-                    ScLoanInfo(interactionToken ?: ""),
+                    buildLoanInfo(call),
                     listener = object : ScLoanResult {
                         override fun onFailure(error: ScLoanError) {
                             safeResult.error(error.code.toString(), error.message, error.toString())

loans/ios/Classes/ScLoanFlutterPlugin.swift

@@ -57,104 +57,118 @@ public class SwiftScLoanFlutterPlugin: NSObject, FlutterPlugin {
         registrar.addMethodCallDelegate(instance, channel: channel)
     }
 
+    // colorScheme rides the bridge as a primitive string and is mapped back to the native
+    // enum here. Unknown/absent → token-only initializer so the SDK keeps its light-default.
+    private func loanInfo(from args: Dictionary<String, Any>) -> ScLoanInfo? {
+        guard let interactionToken = args["interactionToken"] as? String else { return nil }
+        if let scheme = args["colorScheme"] as? String {
+            switch scheme {
+            case "dark":
+                return ScLoanInfo(interactionToken: interactionToken, colorScheme: .dark)
+            case "light":
+                return ScLoanInfo(interactionToken: interactionToken, colorScheme: .light)
+            case "system":
+                return ScLoanInfo(interactionToken: interactionToken, colorScheme: .system)
+            default:
+                break
+            }
+        }
+        return ScLoanInfo(interactionToken: interactionToken)
+    }
+
     public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
-        
+
         guard let args = call.arguments as? Dictionary<String, Any> else { return }
-        
+
         switch (call.method) {
-            
+
         case "setup": do {
             guard let gateway = args["gateway"] as? String else {
-                //SDK setup failure
                 print("ScLoan setup failed: No gateway name provided")
                 return
             }
-            
+
             var env = SCLoanEnvironment.production
-            
+
             if let hostEnv = args["env"] as? Int {
                 env = SCLoanEnvironment(rawValue: hostEnv) ?? .production
             }
-            
+
             ScLoan.instance.setup(
                 config: ScLoanConfig(gatewayName: gateway, environment: env)) { success, error in
-                    
+
                     if let err = error {
                         result(self.convertErrorToFlutterError(error: err))
                     } else {
                         result(self.convertSuccessToJsonString(success: success))
                     }
                 }
         }
-            
+
         case "apply": do {
-            guard let interactionToken = args["interactionToken"] as? String else {
-                //SDK setup failure
+            guard let info = loanInfo(from: args) else {
                 print("ScLoan apply failed: No interactionToken provided")
                 return
             }
-            
+
             ScLoan.instance.apply(
                 presentingController: currentViewController,
-                loanInfo: ScLoanInfo(interactionToken: interactionToken)) { success, error in
-                    
+                loanInfo: info) { success, error in
+
                     if let err = error {
                         result(self.convertErrorToFlutterError(error: err))
                     } else {
                         result(self.convertSuccessToJsonString(success: success))
                     }
                 }
         }
-            
+
         case "pay": do {
-            guard let interactionToken = args["interactionToken"] as? String else {
-                //SDK setup failure
+            guard let info = loanInfo(from: args) else {
                 print("ScLoan pay failed: No interactionToken provided")
                 return
             }
-            
+
             ScLoan.instance.pay(
                 presentingController: currentViewController,
-                loanInfo: ScLoanInfo(interactionToken: interactionToken)) { success, error in
-                    
+                loanInfo: info) { success, error in
+
                     if let err = error {
                         result(self.convertErrorToFlutterError(error: err))
                     } else {
                         result(self.convertSuccessToJsonString(success: success))
                     }
                 }
         }
-            
+
         case "withdraw": do {
-            guard let interactionToken = args["interactionToken"] as? String else {
-                //SDK setup failure
+            guard let info = loanInfo(from: args) else {
                 print("ScLoan withdraw failed: No interactionToken provided")
                 return
             }
-            
+
             ScLoan.instance.withdraw(
                 presentingController: currentViewController,
-                loanInfo: ScLoanInfo(interactionToken: interactionToken)) { success, error in
-                    
+                loanInfo: info) { success, error in
+
                     if let err = error {
                         result(self.convertErrorToFlutterError(error: err))
                     } else {
                         result(self.convertSuccessToJsonString(success: success))
                     }
                 }
         }
-            
+
         case "service": do {
-            guard let interactionToken = args["interactionToken"] as? String else {
-                //SDK setup failure
+            guard let info = loanInfo(from: args) else {
                 print("ScLoan service failed: No interactionToken provided")
                 return
             }
-            
+
             ScLoan.instance.service(
                 presentingController: currentViewController,
-                loanInfo: ScLoanInfo(interactionToken: interactionToken)) { success, error in
-                    
+                loanInfo: info) { success, error in
+
                     if let err = error {
                         result(self.convertErrorToFlutterError(error: err))
                     } else {
@@ -163,24 +177,23 @@ public class SwiftScLoanFlutterPlugin: NSObject, FlutterPlugin {
                 }
         }
         case "triggerInteraction": do {
-            guard let interactionToken = args["interactionToken"] as? String else {
-                //SDK setup failure
+            guard let info = loanInfo(from: args) else {
                 print("ScLoan triggerInteraction failed: No interactionToken provided")
                 return
             }
-            
+
             ScLoan.instance.triggerInteraction(
                 presentingController: currentViewController,
-                loanInfo: ScLoanInfo(interactionToken: interactionToken)) { success, error in
-                    
+                loanInfo: info) { success, error in
+
                     if let err = error {
                         result(self.convertErrorToFlutterError(error: err))
                     } else {
                         result(self.convertSuccessToJsonString(success: success))
                     }
                 }
         }
-            
+
         default:
             result("Flutter method not implemented on iOS")
         }

loans/ios/scloans.podspec

@@ -19,5 +19,7 @@ Pod::Spec.new do |s|
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }
   s.swift_version = '5.0'
 
-  s.dependency 'SCLoans', '7.2.0'
+  # INTERNAL TEST PIN: dark-theme branch build (mirrors the android/build.gradle pin).
+  # Revert to: s.dependency 'SCLoans', '7.2.0'
+  s.dependency 'SCLoans-sourav-native-dark-theme-37c97d9', '7.1.2-45-release'
 end

loans/lib/sc_loan.dart

@@ -22,12 +22,19 @@ class ScLoan {
     }
   }
 
+  static Map<String, dynamic> _loanInfoArgs(ScLoanInfo loanInfo) {
+    return <String, dynamic>{
+      "interactionToken": loanInfo.interactionToken,
+      // TODO: use explicit value mapping, not enum .name (fragile to renames).
+      if (loanInfo.colorScheme != null)
+        "colorScheme": loanInfo.colorScheme!.name,
+    };
+  }
+
   static Future<ScLoanSuccess> apply(ScLoanInfo loanInfo) async {
     try {
       String? applyResponse =
-          await _channel.invokeMethod('apply', <String, dynamic>{
-        "interactionToken": loanInfo.interactionToken,
-      });
+          await _channel.invokeMethod('apply', _loanInfoArgs(loanInfo));
       return ScLoanSuccess.fromJson(applyResponse ?? "{}");
     } on PlatformException catch (e) {
       throw e.toScLoanError;
@@ -37,9 +44,7 @@ class ScLoan {
   static Future<ScLoanSuccess> pay(ScLoanInfo loanInfo) async {
     try {
       String? payResponse =
-          await _channel.invokeMethod('pay', <String, dynamic>{
-        "interactionToken": loanInfo.interactionToken,
-      });
+          await _channel.invokeMethod('pay', _loanInfoArgs(loanInfo));
       return ScLoanSuccess.fromJson(payResponse ?? "{}");
     } on PlatformException catch (e) {
       throw e.toScLoanError;
@@ -49,9 +54,7 @@ class ScLoan {
   static Future<ScLoanSuccess> withdraw(ScLoanInfo loanInfo) async {
     try {
       String? withdrawResponse =
-          await _channel.invokeMethod('withdraw', <String, dynamic>{
-        "interactionToken": loanInfo.interactionToken,
-      });
+          await _channel.invokeMethod('withdraw', _loanInfoArgs(loanInfo));
       return ScLoanSuccess.fromJson(withdrawResponse ?? "{}");
     } on PlatformException catch (e) {
       throw e.toScLoanError;
@@ -61,9 +64,7 @@ class ScLoan {
   static Future<ScLoanSuccess> service(ScLoanInfo loanInfo) async {
     try {
       String? serviceResponse =
-          await _channel.invokeMethod('service', <String, dynamic>{
-        "interactionToken": loanInfo.interactionToken,
-      });
+          await _channel.invokeMethod('service', _loanInfoArgs(loanInfo));
       return ScLoanSuccess.fromJson(serviceResponse ?? "{}");
     } on PlatformException catch (e) {
       throw e.toScLoanError;
@@ -72,10 +73,8 @@ class ScLoan {
 
   static Future<ScLoanSuccess> triggerInteraction(ScLoanInfo loanInfo) async {
     try {
-      String? triggerInteractionResponse =
-          await _channel.invokeMethod('triggerInteraction', <String, dynamic>{
-        "interactionToken": loanInfo.interactionToken,
-      });
+      String? triggerInteractionResponse = await _channel.invokeMethod(
+          'triggerInteraction', _loanInfoArgs(loanInfo));
       return ScLoanSuccess.fromJson(triggerInteractionResponse ?? "{}");
     } on PlatformException catch (e) {
       throw e.toScLoanError;

loans/lib/sc_loan_props.dart

@@ -1,6 +1,8 @@
 // ignore: constant_identifier_names
 enum ScLoanEnvironment { DEVELOPMENT, PRODUCTION, STAGING }
 
+enum ScLoanColorScheme { dark, light, system }
+
 class ScLoanConfig {
   final ScLoanEnvironment environment;
   final String gateway;
@@ -10,6 +12,7 @@ class ScLoanConfig {
 
 class ScLoanInfo {
   final String interactionToken;
+  final ScLoanColorScheme? colorScheme;
 
-  const ScLoanInfo(this.interactionToken);
-}
+  const ScLoanInfo(this.interactionToken, {this.colorScheme});
+}