Handle error.

packages/ui_primitives/lib/src/foundation/_platform_io.dart

@@ -37,7 +37,7 @@ platform.TargetPlatform get defaultTargetPlatform {
     result = platform.debugDefaultTargetPlatformOverride;
   }
   if (result == null) {
-    throw UiError(
+    throw FrameworkError(
       'Unknown platform.\n'
       '${Platform.operatingSystem} was not recognized as a target platform. '
       'Consider updating the list of TargetPlatforms to include this platform.',

packages/ui_primitives/lib/src/foundation/debug.dart

@@ -38,7 +38,7 @@ bool debugAssertAllFoundationVarsUnset(
         debugDefaultTargetPlatformOverride != null ||
         debugDoublePrecision != null ||
         debugBrightnessOverride != null) {
-      throw UiError(reason);
+      throw FrameworkError(reason);
     }
     return true;
   }());

packages/ui_primitives/lib/src/foundation/diagnostics.dart

@@ -174,7 +174,7 @@ enum DiagnosticsTreeStyle {
   ///
   /// See also:
   ///
-  ///  * [UiError], which uses this style for the root node in a tree
+  ///  * [FrameworkError], which uses this style for the root node in a tree
   ///    describing an error.
   error,
 
@@ -1681,7 +1681,7 @@ abstract class DiagnosticsNode {
       // We don't throw in release builds, to avoid hurting users. We also don't
       // do anything useful.
       if (kProfileMode) {
-        throw UiError(
+        throw FrameworkError(
           // Parts of this string are searched for verbatim by a test in
           // dev/bots/test.dart.
           '$DiagnosticsNode.toTimelineArguments used in non-debug build.\n'

packages/ui_primitives/lib/src/foundation/platform.dart

@@ -108,7 +108,7 @@ TargetPlatform? get debugDefaultTargetPlatformOverride =>
 
 set debugDefaultTargetPlatformOverride(TargetPlatform? value) {
   if (!kDebugMode) {
-    throw UiError(
+    throw FrameworkError(
       'Cannot modify debugDefaultTargetPlatformOverride in non-debug builds.',
     );
   }

packages/ui_primitives/lib/src/foundation/value_notifier.dart

@@ -94,7 +94,7 @@ class _ChangeNotifier implements Listenable {
   static bool debugAssertNotDisposed(_ChangeNotifier notifier) {
     assert(() {
       if (notifier._debugDisposed) {
-        throw UiError(
+        throw FrameworkError(
           'A ${notifier.runtimeType} was used after being disposed.\n'
           'Once you have called dispose() on a ${notifier.runtimeType}, it '
           'can no longer be used.',
@@ -281,7 +281,7 @@ class _ChangeNotifier implements Listenable {
   /// not be visited after they are removed.
   ///
   /// Exceptions thrown by listeners will be caught and reported using
-  /// [UiError.reportError].
+  /// [FrameworkError.reportError].
   ///
   /// This method must not be called after [dispose] has been called.
   ///
@@ -316,8 +316,8 @@ class _ChangeNotifier implements Listenable {
       try {
         _listeners[i]?.call();
       } catch (exception, stack) {
-        UiError.reportError(
-          UiErrorDetails(
+        FrameworkError.reportError(
+          FrameworkErrorDetails(
             exception: exception,
             stack: stack,
             library: 'foundation library',
@@ -414,7 +414,7 @@ class ValueNotifier<T> implements ValueListenable<T> {
   static bool debugAssertNotDisposed<T>(ValueNotifier<T> notifier) {
     assert(() {
       if (notifier._debugDisposed) {
-        throw UiError(
+        throw FrameworkError(
           'A ${notifier.runtimeType} was used after being disposed.\n'
           'Once you have called dispose() on a ${notifier.runtimeType}, it '
           'can no longer be used.',

packages/ui_primitives/lib/ui_primitives.dart

@@ -13,8 +13,8 @@ export 'src/foundation/assertions.dart'
         RepetitiveStackFrameFilter,
         StackFilter,
         StackFrame,
-        UiError,
-        UiErrorDetails,
+        FrameworkError,
+        FrameworkErrorDetails,
         debugPrintStack;
 
 export 'src/foundation/diagnostics.dart'

packages/ui_primitives/pubspec.yaml

@@ -5,7 +5,7 @@
 name: ui_primitives
 description: Highly experimental package.
 repository: https://github.com/flutter/genui/tree/main/packages/ui_primitives
-version: 0.0.1-dev-005
+version: 0.0.1-dev-006
 
 resolution: workspace