App startup problems

Author: sbarisic

ExampleShared/DebugLog.cs

@@ -0,0 +1,104 @@
+using System;
+using System.IO;
+using System.Runtime.CompilerServices;
+
+namespace ExampleShared
+{
+	/// <summary>
+	/// Simple debug logging utility that writes to out.txt for crash investigation.
+	/// </summary>
+	public static class DebugLog
+	{
+		private static readonly object _lock = new object();
+		private static readonly string LogFile = "out.txt";
+		private static bool _initialized = false;
+
+		/// <summary>
+		/// Initialize the log file (clears previous content).
+		/// </summary>
+		public static void Init()
+		{
+			lock (_lock)
+			{
+				try
+				{
+					File.WriteAllText(LogFile, $"=== NuklearDotNet Debug Log - {DateTime.Now:yyyy-MM-dd HH:mm:ss} ===\n\n");
+					_initialized = true;
+					Log("Debug logging initialized");
+				}
+				catch (Exception ex)
+				{
+					Console.WriteLine($"Failed to initialize debug log: {ex.Message}");
+				}
+			}
+		}
+
+		/// <summary>
+		/// Log a message with timestamp and optional caller info.
+		/// </summary>
+		public static void Log(string message,
+			[CallerMemberName] string memberName = "",
+			[CallerFilePath] string filePath = "",
+			[CallerLineNumber] int lineNumber = 0)
+		{
+			lock (_lock)
+			{
+				try
+				{
+					if (!_initialized) Init();
+
+					string fileName = Path.GetFileName(filePath);
+					string logEntry = $"[{DateTime.Now:HH:mm:ss.fff}] [{fileName}:{lineNumber}] {memberName}: {message}\n";
+
+					File.AppendAllText(LogFile, logEntry);
+
+					// Also write to console for immediate visibility
+					Console.Write(logEntry);
+				}
+				catch
+				{
+					// Silently fail to avoid disrupting the app
+				}
+			}
+		}
+
+		/// <summary>
+		/// Log an error with exception details.
+		/// </summary>
+		public static void Error(string message, Exception ex = null,
+			[CallerMemberName] string memberName = "",
+			[CallerFilePath] string filePath = "",
+			[CallerLineNumber] int lineNumber = 0)
+		{
+			string errorMsg = ex != null
+				? $"ERROR: {message} - {ex.GetType().Name}: {ex.Message}\nStack: {ex.StackTrace}"
+				: $"ERROR: {message}";
+			Log(errorMsg, memberName, filePath, lineNumber);
+		}
+
+		/// <summary>
+		/// Log entry into a method/section.
+		/// </summary>
+		public static void Enter([CallerMemberName] string memberName = "")
+		{
+			Log($">>> Entering", memberName);
+		}
+
+		/// <summary>
+		/// Log exit from a method/section.
+		/// </summary>
+		public static void Exit([CallerMemberName] string memberName = "")
+		{
+			Log($"<<< Exiting", memberName);
+		}
+
+		/// <summary>
+		/// Flush the log file to ensure all content is written.
+		/// </summary>
+		public static void Flush()
+		{
+			// File.AppendAllText already flushes, but this is here for API completeness
+			Log("Log flushed");
+		}
+	}
+}