PressEvent Object Type

PressEvent object is returned in the callback as a result of user press interaction, for example onPress in Button component.

{
    changedTouches: [PressEvent],
    identifier: 1,
    locationX: 8,
    locationY: 4.5,
    pageX: 24,
    pageY: 49.5,
    target: 1127,
    timestamp: 85131876.58868201,
    touches: []
}

Keys and values

changedTouches

Array of all PressEvents that have changed since the last event.

Type	Optional
array of PressEvents	No

force

iOS

Amount of force used during the 3D Touch press. Returns the float value in range from 0.0 to 1.0.

Type	Optional
number	Yes

identifier

Unique numeric identifier assigned to the event.

Type	Optional
number	No

locationX

Touch origin X coordinate inside touchable area (relative to the element).

Type	Optional
number	No

locationY

Touch origin Y coordinate inside touchable area (relative to the element).

Type	Optional
number	No

pageX

Touch origin X coordinate on the screen (relative to the root view).

Type	Optional
number	No

pageY

Touch origin Y coordinate on the screen (relative to the root view).

Type	Optional
number	No

target

The node id of the element receiving the PressEvent.

Type	Optional
number, null, undefined	No

timestamp

Timestamp value when a PressEvent occurred. Value is represented in milliseconds.

Type	Optional
number	No

touches

Array of all current PressEvents on the screen.

Type	Optional
array of PressEvents	No

Used by

• Button
• PanResponder
• Pressable
• ScrollView
• Text
• TextInput
• TouchableHighlight
• TouchableOpacity
• TouchableNativeFeedback
• TouchableWithoutFeedback
• View