Use proguard symbolication in the Unity logger exception flow (#221)

Author: konraddysput

Runtime/BacktraceClient.cs

@@ -1146,8 +1146,14 @@ internal void HandleUnityMessage(string message, string stackTrace, LogType type
                     Type = type
                 };
             }
+            var report = new BacktraceReport(exception);
+#if UNITY_ANDROID
+            if(exception.NativeStackTrace && _useProguard) {
+                report.UseSymbolication("proguard");
+            }
+#endif
 
-            SendUnhandledExceptionReport(new BacktraceReport(exception), invokeSkipApi);
+            SendUnhandledExceptionReport(report, invokeSkipApi);
         }
 
         /// <summary>

Runtime/Model/BacktraceUnhandledException.cs

@@ -48,6 +48,14 @@ public override string StackTrace
         /// </summary>
         public readonly List<BacktraceStackFrame> StackFrames;
 
+        /// <summary>
+        /// Returns information if the stack trace is from the native environment (non-Unity)
+        /// </summary>
+        internal bool NativeStackTrace
+        {
+            get;
+            private set;
+        }
 
         public BacktraceUnhandledException(string message, string stacktrace) : base(message)
         {
@@ -172,6 +180,8 @@ private BacktraceStackFrame ConvertFrame(string frameString, int methodNameEndIn
                     FunctionName = frameString
                 };
             }
+
+            NativeStackTrace = true;
             // add length of the '('
             methodStartIndex += 1;
             var methodArguments = frameString.Substring(methodStartIndex, methodNameEndIndex - methodStartIndex);
@@ -250,7 +260,8 @@ private BacktraceStackFrame SetJITStackTraceInformation(string frameString)
                 {
                     stackFrame.Library = stackFrame.FunctionName.Substring(0, libraryNameSeparator).Trim();
                     stackFrame.FunctionName = stackFrame.FunctionName.Substring(++libraryNameSeparator).Trim();
-                } else
+                }
+                else
                 {
                     stackFrame.Library = "native";
                 }

Tests/Runtime/BacktraceStackTraceTests.cs

@@ -345,6 +345,23 @@ public void TestStackTraceCreation_AndroidException_ValidStackTraceObject()
             }
         }
 
+        [Test]
+        public void TestNativeStackTraceDetection_AndroidExceptionShouldSetFlag_NativeStackTraceIsSet()
+        {
+            var stackTrace = ConvertStackTraceToString(_anrStackTrace);
+            var exception = new BacktraceUnhandledException(string.Empty, stackTrace);
+            Assert.IsTrue(exception.NativeStackTrace);
+        }
+
+
+        [Test]
+        public void TestNativeStackTraceDetection_UnityExceptionShouldNotSetFlag_NativeStackTraceIsNotSet()
+        {
+            var stackTrace = ConvertStackTraceToString(_simpleStack);
+            var exception = new BacktraceUnhandledException(string.Empty, stackTrace);
+            Assert.IsFalse(exception.NativeStackTrace);
+        }
+
 
         [Test]
         public void TestStackTraceCreation_AndroidMixModeCallStack_ValidStackTraceObject()