android fixes

veilid-flutter/android/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-  package="com.veilid.veilid">
+          package="com.veilid.veilid">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

veilid-flutter/example/android/app/build.gradle

@@ -41,6 +41,13 @@ android {
         main.java.srcDirs += 'src/main/kotlin'
     }
 
+
+    // xxx why does backtrace not work in android?
+    // tried this but it doesn't help
+    // packagingOptions {
+    //     jniLibs.useLegacyPackaging = true
+    // }
+
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.veilid.veilid_example"

veilid-flutter/example/android/app/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.veilid.veilid_example">
+          package="com.veilid.veilid_example">
     <application
         android:label="veilid_example"
         android:name="${applicationName}"

veilid-flutter/example/android/build.gradle

@@ -6,7 +6,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.2.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

veilid-flutter/example/android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-all.zip

veilid-flutter/example/lib/main.dart

@@ -161,21 +161,30 @@ class _MyAppState extends State<MyApp> with UiLoggy {
   }
 
   Future<void> processUpdateLog(VeilidUpdateLog update) async {
+    StackTrace? stackTrace;
+    Object? error;
+    final backtrace = update.backtrace;
+    if (backtrace != null) {
+      stackTrace =
+          StackTrace.fromString("$backtrace\n${StackTrace.current.toString()}");
+      error = 'embedded stack trace for ${update.logLevel} ${update.message}';
+    }
+
     switch (update.logLevel) {
       case VeilidLogLevel.error:
-        loggy.error(update.message);
+        loggy.error(update.message, error, stackTrace);
         break;
       case VeilidLogLevel.warn:
-        loggy.warning(update.message);
+        loggy.warning(update.message, error, stackTrace);
         break;
       case VeilidLogLevel.info:
-        loggy.info(update.message);
+        loggy.info(update.message, error, stackTrace);
         break;
       case VeilidLogLevel.debug:
-        loggy.debug(update.message);
+        loggy.debug(update.message, error, stackTrace);
         break;
       case VeilidLogLevel.trace:
-        loggy.trace(update.message);
+        loggy.trace(update.message, error, stackTrace);
         break;
     }
   }

veilid-flutter/lib/veilid.dart

@@ -1018,31 +1018,31 @@ class LatencyStats {
 
 class TransferStats {
   BigInt total;
-  BigInt fastest;
+  BigInt maximum;
   BigInt average;
-  BigInt slowest;
+  BigInt minimum;
 
   TransferStats({
     required this.total,
-    required this.fastest,
+    required this.maximum,
     required this.average,
-    required this.slowest,
+    required this.minimum,
   });
 
   Map<String, dynamic> get json {
     return {
       'total': total.toString(),
-      'fastest': fastest.toString(),
+      'maximum': maximum.toString(),
       'average': average.toString(),
-      'slowest': slowest.toString(),
+      'minimum': minimum.toString(),
     };
   }
 
   TransferStats.fromJson(Map<String, dynamic> json)
-      : total = BigInt.parse(json['fastest']),
-        fastest = BigInt.parse(json['fastest']),
+      : total = BigInt.parse(json['total']),
+        maximum = BigInt.parse(json['maximum']),
         average = BigInt.parse(json['average']),
-        slowest = BigInt.parse(json['slowest']);
+        minimum = BigInt.parse(json['minimum']);
 }
 
 ////////////
@@ -1058,8 +1058,8 @@ class TransferStatsDownUp {
 
   Map<String, dynamic> get json {
     return {
-      'down': down.toString(),
-      'up': up.toString(),
+      'down': down.json,
+      'up': up.json,
     };
   }
 
@@ -1341,7 +1341,8 @@ class VeilidStateNetwork {
       : started = json['started'],
         bpsDown = BigInt.parse(json['bps_down']),
         bpsUp = BigInt.parse(json['bps_up']),
-        peers = json['peers'].map((j) => PeerTableData.fromJson(j)).toList();
+        peers = List<PeerTableData>.from(
+            json['peers'].map((j) => PeerTableData.fromJson(j)));
 
   Map<String, dynamic> get json {
     return {