Add files via upload (#14)

Author: Android-PowerUser

app/src/main/kotlin/com/google/ai/sample/util/SystemMessagePreferences.kt

@@ -11,6 +11,10 @@ object SystemMessagePreferences {
     private const val TAG = "SystemMessagePrefs"
     private const val PREFS_NAME = "system_message_prefs"
     private const val KEY_SYSTEM_MESSAGE = "system_message"
+    private const val KEY_FIRST_START_COMPLETED = "first_start_completed" // New flag
+
+    // Content from pasted_content.txt
+    private const val DEFAULT_SYSTEM_MESSAGE_ON_FIRST_START = """You are on an App on a Smartphone. You're app is called Generative AI Sample App. You start from this app. Proceed step by step! DON'T USE TOOL CODE! You must operate the screen with exactly following commands: "`home()`" "`back()`" "`recentApps()`" for buttons and words: "`clickOnButton("sample")`" "`tapAtCoordinates(x, y)`" "`scrollDown()`" "`scrollUp()`" "`scrollLeft()`" "`scrollRight()`" "`scrollDown(x, y, how much pixel to scroll, duration in milliseconds)`" "`scrollUp(x, y, how much pixel to scroll, duration in milliseconds)`" "`scrollLeft(x, y, how much pixel to scroll, duration in milliseconds)`" "`scrollRight(x, y, how much pixel to scroll, duration in milliseconds)`" scroll status bar down:  "`scrollUp(540, 0, 1100, 50)`" Only the Play Store and Settings can be opened this way: "`openApps("sample")`"  You must open other apps from the home screen. "`takeScreenshot()`" To write text, search and click the textfield thereafter: "`writeText("sample text")`" You need to write the already existing text, if it should continue exist. If the keyboard is displayed, you can press "`Enter()`". Otherwise, you have to open the keyboard by clicking on the text field. In Termux you have to swipe the bar to the left and "`Enter()`" twice. You can see the screen and get additional Informations about them with: "`takeScreenshot()`" You need this command at the and of every message until you are finish. When you're done don't say "`takeScreenshot()`" Your task is:"""
 
     /**
      * Save system message to SharedPreferences
@@ -28,17 +32,32 @@ object SystemMessagePreferences {
     }
 
     /**
-     * Load system message from SharedPreferences
+     * Load system message from SharedPreferences.
+     * On first start, it loads a default message, saves it, and marks first start as completed.
      */
     fun loadSystemMessage(context: Context): String {
         try {
             val sharedPreferences = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE)
-            val message = sharedPreferences.getString(KEY_SYSTEM_MESSAGE, "") ?: ""
-            Log.d(TAG, "Loaded system message: $message")
-            return message
+            val isFirstStartCompleted = sharedPreferences.getBoolean(KEY_FIRST_START_COMPLETED, false)
+
+            if (!isFirstStartCompleted) {
+                Log.d(TAG, "First start detected. Loading and saving default system message.")
+                // Save the default message and the flag
+                val editor = sharedPreferences.edit()
+                editor.putString(KEY_SYSTEM_MESSAGE, DEFAULT_SYSTEM_MESSAGE_ON_FIRST_START)
+                editor.putBoolean(KEY_FIRST_START_COMPLETED, true)
+                editor.apply()
+                Log.d(TAG, "Loaded default system message: $DEFAULT_SYSTEM_MESSAGE_ON_FIRST_START")
+                return DEFAULT_SYSTEM_MESSAGE_ON_FIRST_START
+            } else {
+                val message = sharedPreferences.getString(KEY_SYSTEM_MESSAGE, "") ?: ""
+                Log.d(TAG, "Loaded system message from prefs: $message")
+                return message
+            }
         } catch (e: Exception) {
             Log.e(TAG, "Error loading system message: ${e.message}", e)
-            return ""
+            return "" // Return empty string in case of error, consistent with original behavior
         }
     }
 }
+