Class Viewgroup<TEvent, TNative, TProps>

Since

0.1

Example

import FlexLayout from '@smartface/native/ui/flexlayout';
import Label from '@smartface/native/ui/label';
var myFlexLayout = new FlexLayout();
var myLabel = new Label({
text: "Smartface Label"
});
myFlexLayout.addChild(myLabel);

Type Parameters

Hierarchy

Implements

Properties

_nativeObject: any
borderTopStartRadius: number

Sets/gets top-start corner radius of a view.

Property

= -1]

Android

Ios

Since

5.0.3

Deprecated

since 5.1.1 Use the borderRadiusEdges property instead. Also android.borderTopStartRadius is available on Android.

borderTopEndRadius: number

Sets/gets top-end corner radius of a view.

Property

= -1]

Android

Ios

Since

5.0.3

Deprecated

since 5.1.1 Use the borderRadiusEdges property instead. Also android.borderTopEndRadius is available on Android.

borderBottomStartRadius: number

Sets/gets bottom-start corner radius of a view.

Property

= -1]

Android

Ios

Since

5.0.3

Deprecated

since 5.1.1 Use the borderRadiusEdges property instead. Also android.borderBottomStartRadius is available on Android.

borderBottomEndRadius: number

Sets/gets bottom-end corner radius of a view.

Property

= -1]

Android

Ios

Since

5.0.3

Deprecated

since 5.1.1 Use the borderRadiusEdges property instead. Also android.borderBottomEndRadius is available on Android.

shadowColor: IColor

The color of the shadow. UI.View.ios#masksToBounds property must be false for shadow on iOS. On Android, this property only works on Android 9 and above.

Property

= UI.Color.BLACK]

Ios

Android

Since

5.0.3

parent: undefined | IView<"touch" | "touchCancelled" | "touchEnded" | "touchMoved", { [key: string]: any }, MobileOSProps<ViewIOSProps, ViewAndroidProps>>
onTouch: ((e?: Point2D) => boolean)

Type declaration

    • (e?: Point2D): boolean
    • Parameters

      Returns boolean

onTouchEnded: ((isInside: boolean, point: Point2D) => boolean)

Type declaration

    • (isInside: boolean, point: Point2D): boolean
    • Parameters

      Returns boolean

onTouchCancelled: ((point: Point2D) => boolean)

Type declaration

onTouchMoved: ((e: boolean | { isInside: boolean }, point?: Point2D) => boolean)

Type declaration

    • (e: boolean | { isInside: boolean }, point?: Point2D): boolean
    • Parameters

      • e: boolean | { isInside: boolean }
      • Optional point: Point2D

      Returns boolean

getPosition: (() => { left: number; top: number; width: number; height: number })

Type declaration

    • (): { left: number; top: number; width: number; height: number }
    • Returns { left: number; top: number; width: number; height: number }

      • left: number
      • top: number
      • width: number
      • height: number
transitionId: string

Gets/sets the transitionId to be used for transitionViews. See transitionViews for more information

Property

Android

Ios

Since

0.1

accessible: boolean

Gets/sets whether the view is an accessibility element that an assistive app can access.

Property

Android

Ios

Member

UI.View

Since

4.3.2

accessibilityLabel: string

A content description briefly describes the view. VoiceOver will read this string when a user selects the associated element.

Property

Android

Ios

Member

UI.View

Since

4.3.2

alpha: number

Defines the opacity of a view. The value of this property is a float number between 0.0 and 1.0. 0 represents view is completely transparent and 1 represents view is completely opaque.

Property

= 1]

Android

Ios

Member

UI.View

Since

0.1

backgroundColor: ViewState<IColor>

Gets/sets background color of a view. It allows setting background color with UI.Color instance.

Property

= UI.Color.WHITE]

Android

Ios

Member

UI.View

Since

0.1

borderColor: IColor

Sets/gets border color of bounded view.

Property

= UI.Color.BLACK]

Android

Ios

Since

0.1

borderWidth: number

Sets/gets border thickness of bounded view. Accepts unsigned numbers, 0 means no border.

Property

= 0]

Android

Ios

Since

0.1

borderRadius: number

Sets/gets corner radius of a view. BorderRadius maximum value must be half of the shortest edge.

Property

= 0]

Android

Ios

Since

0.1

borderTopLeftRadius: number

Sets/gets top-left corner radius of a view.

Property

= 0]

Android

Ios

Since

5.0.3

Deprecated

since 5.1.1 Use the borderRadiusEdges property instead. Also android.borderTopLeftRadius is available on Android.

borderTopRightRadius: number

Sets/gets top-right corner radius of a view.

Property

= 0]

Android

Ios

Since

5.0.3

Deprecated

since 5.1.1 Use the borderRadiusEdges property instead. Also android.borderTopRightRadius is available on Android.

borderBottomRightRadius: number

Sets/gets bottom-right corner radius of a view.

Property

= 0]

Android

Ios

Since

5.0.3

Deprecated

since 5.1.1 Use the borderRadiusEdges property instead. Also android.borderBottomRightRadius is available on Android.

borderBottomLeftRadius: number

Sets/gets bottom-left corner radius of a view.

Property

= 0]

Android

Ios

Since

5.0.3

Deprecated

since 5.1.1 Use the borderRadiusEdges property instead. Also android.borderBottomLeftRadius is available on Android.

id: number

Gets/sets id of a view. It should be unique number for each object inside page. Id will be generated unique by default.

Property

Android

Ios

Member

UI.View

Since

0.1

testId: string

Gets/sets test id for view. resource-id for android; accessibilityIdentifier for iOS.

Property

Android

Ios

Member

UI.View

Since

4.3.2

visible: boolean

Gets/sets visibility of view. It is set to true as default.

Property

= true]

Android

Ios

Member

UI.View

Since

0.1

rotation: number

Gets/sets the degrees that the view is rotated around the pivot point.

Property

= 0]

Android

Ios

Member

UI.View

Since

1.1.10

rotationX: number

Gets/sets the degrees that the view is rotated around the horizontal axis through the pivot point. RotationX works different for iOS and Android. Android gives perpective to the view but iOS doesn't. This will cause difference on user interface.

Property

= 0]

Android

Ios

Member

UI.View

Since

1.1.10

rotationY: number

Gets/sets the degrees that the view is rotated around the vertical axis through the pivot point. RotationY works different for iOS and Android. Android gives perpective to the view but iOS doesn't. This will cause difference on user interface.

Property

= 0]

Android

Ios

Member

UI.View

Since

1.1.10

touchEnabled: boolean

Enables/disables touches to view. When set to false events related to touches won't fire. It is set to true as default.

Property

= true]

Android

Ios

Member

UI.View

Since

0.1

left: number

Gets/sets left position of a view relative to its parent.

Property

= 0]

Android

Ios

Since

0.1

top: number

Gets/sets top position of a view relative to its parent.

Property

= 0]

Android

Ios

Since

0.1

right: number

Gets/sets right position of a view relative to its parent. This property works only if view's positionType is UI.FlexLayout.PositionType.ABSOLUTE.

Property

= 0]

Android

Ios

Since

0.1

bottom: number

Gets/sets bottom position of a view relative to its parent. This property works only if view's positionType is UI.FlexLayout.PositionType.ABSOLUTE.

Property

= 0]

Android

Ios

Since

0.1

height: number

Gets/sets height of a view.

Property

= 0]

Android

Ios

Since

0.1

width: number

Gets/sets width of a view.

Property

= 0]

Android

Ios

Since

0.1

minWidth: number

Gets/sets minimum width of a view.

Property

= 0]

Android

Ios

Since

0.1

minHeight: number

Gets/sets minimum height of a view.

Property

= 0]

Android

Ios

Since

0.1

maxWidth: number

Gets/sets maximum width of a view.

Property

= 0]

Android

Ios

Since

0.1

maxHeight: number

Gets/sets maximum height of a view.

Property

= 0]

Android

Ios

Since

0.1

paddingTop: number

Gets/Sets the padding space on the top side of a view.

Property

= 0]

Android

Ios

Since

0.1

paddingBottom: number

Gets/Sets the padding space on the bottom side of a view.

Property

= 0]

Android

Ios

Since

0.1

paddingLeft: number

Gets/Sets the padding space on the left side of a view.

Property

= 0]

Android

Ios

Since

0.1

paddingRight: number

Gets/Sets the padding space on the right side of a view.

Property

= 0]

Android

Ios

Since

0.1

padding: number

Gets/Sets the padding space on the all sides of a view.

Property

= 0]

Android

Ios

Since

0.1

marginTop: number

Gets/Sets the margin space on the top side of a view.

Property

= 0]

Android

Ios

Since

0.1

marginBottom: number

Gets/Sets the margin space on the bottom side of a view.

Property

= 0]

Android

Ios

Since

0.1

marginLeft: number

Gets/Sets the margin space on the left side of a view.

Property

= 0]

Android

Ios

Since

0.1

marginRight: number

Gets/Sets the margin space required on the right side of a view.

Property

= 0]

Android

Ios

Since

0.1

margin: number

Gets/Sets the margin space required on the all sides of a view.

Property

= 0]

Android

Ios

Since

0.1

positionType: Flex.PositionType

This property specifies the type of positioning method used for a view. To position a view relative to its parent with top,left,right and bottom properties you must set the position type to absolute.

Property

= UI.FlexLayout.PositionType.RELATIVE]

Android

Ios

Since

0.1

flexGrow: number

This property specifies how much a view will grow relative to the other views inside the same UI.FlexLayout FlexLayout.

Property

= 0]

Android

Ios

Since

0.1

aspectRatio: number

AspectRatio keeps the ratio between the width and the height of a view. AspectRatio has higher priority than UI.View#flexGrow flexGrow.

Property

Android

Ios

Since

0.1

flexShrink: number

This property specifies how much a view will shrink relative to the other views inside the same UI.FlexLayout FlexLayout.

Property

= 1]

Android

Ios

Since

0.1

flexBasis: number

This property specifies the initial length of a view in a UI.FlexLayout FlexLayout.

Property

= -1]

Android

Ios

Since

0.1

scale: Point2D

This property sets the amount that the view is scaled in X & Y around the pivot point, as a proportion of the view's unscaled width. A value of 1 means that no scaling is applied. Actually UI.flipVertically flipVertically & UI.flipHorizontally flipHorizontally functions are assignes -1 to X & Y to mirror the view. So while using scale, need to consider these functions.

Property

Android

Ios

Since

4.0.1

alignSelf: Flex.AlignSelf

This property specifies how a child view aligns in the cross-axis. It overrides the UI.FlexLayout.AlignItems FlexLayout.AlignItems property of the parent.

Property

= UI.FlexLayout.AlignSelf.AUTO]

Android

Ios

Since

0.1

masksToBounds: boolean

A Boolean indicating whether sublayers are clipped to the layer’s bounds. Android sublayers still overlaps the border's width and as known issue,if UI.View#maskedBorders maskedBorders is used then sublayer won't be clipped.

Property

= true]

Ios

Android

Since

4.1.4

maskedBorders: Border[]

Specified enums indicates that which corner of View will have radius.

Property

= [View.Border.TOP_LEFT, View.Border.TOP_RIGHT, View.Border.BOTTOM_RIGHT, View.Border.BOTTOM_LEFT]]

Ios

Android

Since

4.1.4

Deprecated

since 5.0.3 Use the borderRadiusEdges properties instead.

borderRadiusEdges: BorderRadiusEdges

A Boolean indicating whether sublayers are clipped to the layer’s bounds. Android sublayers still overlaps the border's width and as known issue,if UI.View#borderRadiusEdges borderRadiusEdges is used then sublayer won't be clipped.

Property

= {topLeft: true, topRight: true, bottomLeft: true, bottomRight: true}]

Ios

Android

Since

5.1.1

Border: typeof Border
onViewAdded: ((view: IView<"touch" | "touchCancelled" | "touchEnded" | "touchMoved", { [key: string]: any }, MobileOSProps<ViewIOSProps, ViewAndroidProps>>) => void)

Type declaration

onViewRemoved: ((view: any) => void)

Type declaration

    • (view: any): void
    • Parameters

      • view: any

      Returns void

Accessors

  • get nativeObject(): any
  • Returns any

  • set nativeObject(value: any): void
  • Parameters

    • value: any

    Returns void

  • get ios(): TProps["ios"]
  • Returns TProps["ios"]

  • get android(): TProps["android"]
  • Returns TProps["android"]

  • get uniqueId(): string
  • Returns string

Methods

  • Parameters

    • Optional params: Partial<Record<string, any>>

    Returns void

  • Parameters

    • props: WithMobileOSProps<TProps, { [key: string]: any }, { [key: string]: any }>["android"]

    Returns void

  • Parameters

    • props: WithMobileOSProps<TProps, { [key: string]: any }, { [key: string]: any }>["ios"]

    Returns void

  • Call this when something has changed which has invalidated the layout of this view. This will schedule a layout pass of the view tree. It is useful to call this method when you want to change layout parameters on runtime. If this view layout invalidated, call applyLayout from the Page.layout in the iOS and from the view itself in the Android.

    Method

    applyLayout

    Android

    Ios

    Returns void

  • This method put a view to the top of other views in z-direction.

    Method

    bringToFront

    Android

    Ios

    Since

    0.1

    Returns void

  • This method flips the view horizontally.

    Method

    flipHorizontally

    Android

    Ios

    Since

    3.1.3

    Returns void

  • This method flips the view vertically.

    Method

    flipVertically

    Android

    Ios

    Since

    3.1.3

    Returns void

  • This method returns an object that defines view location on screen. Do not use this method for invisible views in UI.ListView ListView and UI.GridView GridView.

    Method

    getScreenLocation

    Returns

    location

    Returns

    location.x

    Returns

    location.y

    Android

    Ios

    Since

    3.2.0

    Returns Point2D

  • Gets the parent view of a view.

    Example

    import FlexLayout from '@smartface/native/ui/flexlayout';
    import Label from '@smartface/native/ui/label';

    var myFlexLayout = new FlexLayout();
    myFlexLayout.id = 5432;

    var myLabel = new Label({
    text: "Smartface Label"
    });
    myFlexLayout.addChild(myLabel);
    var parentId = myLabel.getParent().id; //is equal to 5432.

    Returns

    Parent view of a view, null if not exists.

    Method

    getParent

    Android

    Ios

    Since

    0.1

    Returns null | IViewGroup<"touch" | "touchCancelled" | "touchEnded" | "touchMoved" | "viewAdded" | "viewRemoved", any, MobileOSProps<ViewGroupIOSProps, ViewGroupAndroidProps>>

  • This method marks the view as needs relayout.

    Method

    dirty

    Android

    Ios

    Since

    4.3.6

    Returns void

  • Creates an event emitter instance to listen for the actions

    Returns

    Call the function to remove the event

    Parameters

    • eventName: "touch"
    • callback: ((e: Point2D) => void)

      Gets as any arguments as it needs

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: "touchEnded"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: "touchMoved"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: "touchCancelled"
    • callback: ((point: Point2D) => boolean)

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: TEvent
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: string
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns (() => void)

      • (): void
      • Returns void

  • Removes the specified event and invokes the callback after it is removed

    Parameters

    • eventName: "touch"
    • callback: ((e: Point2D) => void)

    Returns void

  • Parameters

    • eventName: "touchEnded"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns void

  • Parameters

    • eventName: "touchMoved"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns void

  • Parameters

    • eventName: "touchCancelled"
    • callback: ((point: Point2D) => boolean)

    Returns void

  • Parameters

    • eventName: TEvent
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns void

  • Parameters

    • eventName: string
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns void

  • Triggers the event manually.

    Parameters

    • eventName: "touch"
    • point: Point2D

      Arguments that needs to be passed down

    Returns void

  • Parameters

    • eventName: "touchEnded"
    • params: { isInside: boolean } & Point2D

    Returns void

  • Parameters

    • eventName: "touchMoved"
    • params: { isInside: boolean } & Point2D

    Returns void

  • Parameters

    • eventName: "touchCancelled"
    • point: Point2D

    Returns void

  • Parameters

    • eventName: TEvent
    • Rest ...args: any[]

    Returns void

  • Parameters

    • eventName: string
    • Rest ...args: any[]

    Returns void

  • Creates an event emitter instance to listen for the actions

    Returns

    Call the function to remove the event

    Parameters

    • eventName: "touch"
    • callback: ((e: Point2D) => void)

      Gets as any arguments as it needs

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: "touchEnded"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: "touchMoved"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: "touchCancelled"
    • callback: ((point: Point2D) => boolean)

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: TEvent
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns (() => void)

      • (): void
      • Returns void

  • Parameters

    • eventName: string
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns (() => void)

      • (): void
      • Returns void

  • Adds the listener function to the beginning of the listeners array for the event named eventName. No checks are made to see if the listener has already been added. Multiple calls passing the same combination of eventName and listener will result in the listener being added, and called, multiple times.

    Parameters

    • eventName: "touch"
    • callback: ((e: Point2D) => void)

    Returns void

  • Parameters

    • eventName: "touchEnded"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns void

  • Parameters

    • eventName: "touchMoved"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns void

  • Parameters

    • eventName: "touchCancelled"
    • callback: ((point: Point2D) => boolean)

    Returns void

  • Parameters

    • eventName: TEvent
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns void

  • Parameters

    • eventName: string
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns void

  • Adds a one-time listener function for the event named eventName to the beginning of the listeners array. The next time eventName is triggered, this listener is removed, and then invoked.

    Parameters

    • eventName: "touch"
    • callback: ((e: Point2D) => void)

    Returns void

  • Parameters

    • eventName: "touchEnded"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns void

  • Parameters

    • eventName: "touchMoved"
    • callback: ((e: { isInside: boolean } & Point2D) => void)
        • (e: { isInside: boolean } & Point2D): void
        • Parameters

          • e: { isInside: boolean } & Point2D

          Returns void

    Returns void

  • Parameters

    • eventName: "touchCancelled"
    • callback: ((point: Point2D) => boolean)

    Returns void

  • Parameters

    • eventName: TEvent
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns void

  • Parameters

    • eventName: string
    • callback: ((...args: any[]) => void)
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns void

  • This function adds a child view to a viewgroup.

    Android

    Ios

    Method

    addChild

    Since

    0.1

    Parameters

    • view: IView<"touch" | "touchCancelled" | "touchEnded" | "touchMoved", { [key: string]: any }, MobileOSProps<ViewIOSProps, ViewAndroidProps>>

      The child view to add.

    Returns void

  • Remove a child view from viewgroup.

    Android

    Ios

    Method

    removeChild

    Since

    0.1

    Parameters

    • view: IView<"touch" | "touchCancelled" | "touchEnded" | "touchMoved", { [key: string]: any }, MobileOSProps<ViewIOSProps, ViewAndroidProps>>

      The child view to remove.

    Returns void

  • Removes all child views from viewgroup.

    Method

    removeAll

    Android

    Ios

    Since

    0.1

    Returns void

  • Gets the count of children in a viewgroup.

    Returns

    The number of children in the layout, or 0 if there is no child exists within the layout.

    Method

    getChildCount

    Android

    Ios

    Since

    0.1

    Returns number

  • Gets the array of children inside viewgroup.

    Returns

    Method

    getChildList

    Android

    Ios

    Since

    3.1.3

    Returns IView<"touch" | "touchCancelled" | "touchEnded" | "touchMoved", { [key: string]: any }, MobileOSProps<ViewIOSProps, ViewAndroidProps>>[]

  • Finds a child view with specified id within the layout.

    Example

    import FlexLayout from '@smartface/native/ui/flexlayout';
    import Label from '@smartface/native/ui/label';
    var myFlexLayout = new FlexLayout();
    var myLabel = new Label({
    text: "Smartface Label",
    id: 11235
    });
    myFlexLayout.addChild(myLabel);
    var childView = myFlexLayout.findChildById(11235);

    Returns

    Founded view within the layout, or null if view does not exists within the layout.

    Method

    findChildById

    Android

    Ios

    Since

    0.1

    Parameters

    • id: number

      The specified id of the view.

    Returns void

Constructors

  • Type Parameters

    Parameters

    • params: Partial<WithMobileOSProps<TProps, { [key: string]: any }, { [key: string]: any }>> = {}

    Returns Viewgroup<TEvent, TNative, TProps>

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