Fix: Correct AI response handling and joinToString syntax

- Modified ScreenCaptureService.kt to correctly access AI response text property instead of non-existent 'parts'.
- Fixed syntax errors in PhotoReasoningViewModel.kt for multiple joinToString calls by removing the extra lambda.

Author: google-labs-jules[bot]

local.properties app/local.propertieslocal.properties renamed to app/local.properties

@@ -254,17 +254,15 @@ class ScreenCaptureService : Service() {
                         Log.d(TAG, "Executing AI sendMessage with history size: ${chatHistory.size}")
                         val aiResponse = tempChat.sendMessage(inputContent) // Use the mapped SDK inputContent
 
-                        if (aiResponse != null) {
-                            Log.d(TAG, "Service received AI Response. Success: true, Number of parts: ${aiResponse.parts.size}")
-                            // Attempt a simple joinToString; if this also fails, it will need to be removed too.
-                            try {
-                                Log.d(TAG, "Parts summary: ${aiResponse.parts.joinToString { it.javaClass.simpleName }}")
-                            } catch (e: Exception) {
-                                Log.e(TAG, "Error creating parts summary log: ${e.message}")
-                            }
-                        } else {
-                            Log.d(TAG, "Service received null AI Response object.")
-                        }
+if (aiResponse != null) {
+    Log.d(TAG, "Service received AI Response. Success: true")
+    // The response doesn't have a 'parts' property directly
+    // If you need to log the response content, use the text property
+    val responseLength = aiResponse.text?.length ?: 0
+    Log.d(TAG, "Response text length: $responseLength")
+} else {
+    Log.d(TAG, "Service received null AI Response object.")
+}
                         responseText = aiResponse?.text // This line should remain
                         Log.d(TAG, "AI call successful. Response text available: ${responseText != null}")
 

app/src/main/kotlin/com/google/ai/sample/ScreenCaptureService.kt

@@ -383,7 +383,7 @@ class PhotoReasoningViewModel(
 
             Log.d(TAG, "sendMessageWithRetry: Preparing to serialize chat.history. Current chat.history size: ${chat.history.size}")
             chat.history.forEachIndexed { index, content ->
-                Log.d(TAG, "  ViewModel chat.history Content[$index]: role=${content.role}, parts=${content.parts.joinToString { it.javaClass.simpleName } { part ->
+                Log.d(TAG, "  ViewModel chat.history Content[$index]: role=${content.role}, parts=${content.parts.joinToString { part ->
                     when(part) {
                         is com.google.ai.client.generativeai.type.TextPart -> "Text(\"${part.text.take(50)}...\")"
                         is com.google.ai.client.generativeai.type.ImagePart -> "Image"
@@ -719,10 +719,10 @@ class PhotoReasoningViewModel(
 
         Log.d(TAG, "rebuildChatHistory: Finished processing. Generated SDK history size: ${history.size}")
         history.forEachIndexed { index, content ->
-            Log.d(TAG, "  Generated SDK.Content[$index]: role=${content.role}, parts=${content.parts.joinToString { it.javaClass.simpleName } { part ->
+            Log.d(TAG, "  Generated SDK.Content[$index]: role=${content.role}, parts=${content.parts.joinToString { part ->
                 when(part) {
                     is com.google.ai.client.generativeai.type.TextPart -> "Text(\"${part.text.take(50)}...\")"
-                    is com.google.ai.client.generativeai.type.ImagePart -> "Image" // Bitmaps are not easily loggable
+                    is com.google.ai.client.generativeai.type.ImagePart -> "Image"
                     is com.google.ai.client.generativeai.type.BlobPart -> "Blob(${part.mimeType})"
                     is com.google.ai.client.generativeai.type.FunctionCallPart -> "FunctionCall(${part.name}, args=${part.args})"
                     is com.google.ai.client.generativeai.type.FunctionResponsePart -> "FunctionResponse(${part.name})"