NetworkException class

Exception for network-related errors.

Use this for HTTP failures, connection issues, DNS errors, etc.

try {
  final response = await http.get(url);
  if (response.statusCode >= 500) {
    throw NetworkException(
      'Server error',
      statusCode: response.statusCode,
    );
  }
} on SocketException catch (e) {
  throw NetworkException('No internet connection', cause: e);
}
Inheritance

Constructors

NetworkException(String message, {int? statusCode, Object? cause, StackTrace? stackTrace})
Creates a NetworkException.
const

Properties

cause → Object?
The underlying error that caused this exception, if any.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
isClientError → bool
Whether this is a client error (4xx status code).
no setter
isNetworkError → bool
Whether this is a network-related error.
no setteroverride
isRetryable → bool
Network errors are generally retryable.
no setteroverride
isServerError → bool
Whether this is a server error (5xx status code).
no setter
isTimeoutError → bool
Whether this is a timeout error.
no setterinherited
isValidationError → bool
Whether this is a validation error.
no setterinherited
message → String
Human-readable error message.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
stackTrace → StackTrace?
The stack trace where this exception occurred.
finalinherited
statusCode → int?
HTTP status code, if applicable.
final

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
override

Operators

operator ==(Object other) → bool
The equality operator.
inherited