Universal Events
Different from private events, universal events can be bound to most components.
Name
|
Parameter
|
Triggered when
|
|---|
touchstart
|
TouchEvent
|
The tapping starts
|
touchmove
|
TouchEvent
|
The tapping moves
|
touchcancel
|
TouchEvent
|
The tapping is interrupted
|
touchend
|
TouchEvent
|
The tapping ends
|
click
|
-
|
A component is clicked
|
longpress
|
-
|
A component is long pressed
|
swipe5+
|
SwipeEvent
|
A user quickly swipes on a component.
|
Table 1 Attributes of the BaseEvent object
Attribute
|
Type
|
Description
|
|---|
type
|
string
|
Event type, such as click and longpress
|
timestamp
|
number
|
Timestamp when the event is triggered
|
Table 2 Attributes of the TouchEvent object (inherited from BaseEvent)
Attribute
|
Type
|
Description
|
|---|
touches
|
Array<TouchInfo>
|
Attribute set of the touch event, including the information array of the touch points on the screen.
|
changedTouches
|
Array<TouchInfo>
|
Attribute set when a touch event occurs, including the information array of changed touch points on the screen. changedTouches has the same data format as touches and indicates touch point changes, such as from no touch point to newly generated touch points, from some touch points to no touch point, and location changes. For example, when the user's finger leaves the touchscreen, no data exists in the touches array, but changedTouches will save the generated data.
|
Table 3 Attributes of the TouchEvent object
Attribute
|
Type
|
Description
|
|---|
globalX
|
number
|
Horizontal distance from the upper left corner of the screen (excluding the status bar). The upper left corner of the screen acts as the coordinate origin.
|
globalY
|
number
|
Vertical distance from the upper left corner of the screen (excluding the status bar). The upper left corner of the screen acts as the coordinate origin.
|
localX
|
number
|
Horizontal distance from the upper left corner of the touched component. The upper left corner of the component acts as the coordinate origin.
|
localY
|
number
|
Vertical distance from the upper left corner of the touched component. The upper left corner of the component acts as the coordinate origin.
|
size
|
number
|
Touch area.
|
Table 4 Attributes of the SwipeEvent object (inherited from BaseEvent)
Attribute
|
Type
|
Description
|
|---|
direction
|
string
|
Swiping direction. The value can be one of the following:
- left: Swipe from right to left
- right: Swipe from left to right
- up: Swipe upwards
- down: Swipe downwards
|