PerformanceHudStorage class abstract

Where PerformanceHudController keeps its state between launches.

SharedPreferencesHudStorage is the default. Implement this to store the state somewhere else, or to keep it in memory during a test.

Implementers

• InMemoryPerformanceHudStorage
• SharedPreferencesHudStorage

Constructors

PerformanceHudStorage()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

load() → Future<bool>

Opens the underlying store. Returning false means nothing can be read or written, and the controller keeps its defaults.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

readBool(String key) → bool?

Reads a stored boolean, or null when the key was never written.

readDouble(String key) → double?

Reads a stored double, or null when the key was never written.

remove(String key) → void

Removes a key.

toString() → String

A string representation of this object.

inherited

writeBool(String key, bool value) → void

Stores a boolean.

writeDouble(String key, double value) → void

Stores a double.

Operators

operator ==(Object other) → bool

The equality operator.

inherited