Instance Property

identity

Use this property to track changes to a particular touch during the touch's life.

Declaration

@property(readonly, strong) id<NSObject, NSCopying> identity;

Discussion

While touch identities may be re-used, they are unique during the life of the touch, even when multiple devices are present.

Identity objects implement the NSCopying protocol so that they may be used as keys in an NSDictionary. Use isEqual: to compare two touch identities.

See Also

Properties of this touch

phase

The current phase of the touch.

NSTouchPhase

The possible phases of a touch. These constants are used by phase.

normalizedPosition

The normalized position of the touch.

resting

Returns whether the touch is a resting touch.