TracingBackend enum

Backend type to use for tracing. chrome uses the Chrome-integrated tracing service and is supported on all platforms. system is only supported on Chrome OS and uses the Perfetto system tracing service. auto chooses system when the perfettoConfig provided to Tracing.start specifies at least one non-Chrome data source; otherwise uses chrome.

Inheritance

• Object
• Enum
• TracingBackend

Available extensions

• EnumName

Values

auto → const TracingBackend

const TracingBackend('auto')

chrome → const TracingBackend

const TracingBackend('chrome')

system → const TracingBackend

const TracingBackend('system')

Properties

hashCode → int

The hash code for this object.

no setter, inherited

index → int

A numeric identifier for the enumerated value.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

value → String

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → String

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Constants

values → const List<TracingBackend>

A constant List of the values in this enum, in order of their declaration.