WebViewDiagnostics class

Optional load / smoothness diagnostics for a WebAppShell.

Off by default. When enabled, the shell emits one WebViewPerfSnapshot per full document load — not per SPA history change, and not per DOM mutation.

Annotations

• @immutable

Constructors

WebViewDiagnostics({bool enabled = false, bool logInDebug = true, bool measureSmoothness = true})

const

Properties

enabled → bool

Whether the injected script should collect timing and smoothness.

final

hashCode → int

The hash code for this object.

no setter, override

logInDebug → bool

Print WebViewPerfSnapshot.toDebugLine via debugPrint in debug builds.

final

measureSmoothness → bool

Sample rAF FPS, long tasks and CLS after load.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

override

Constants

debug → const WebViewDiagnostics

Collect numbers and print a debug line in debug builds.

off → const WebViewDiagnostics

Collect nothing. The default.