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Published on April 30, 2022
π·οΈ Tags: #extensions
A non-visible extension that provides additional tools to visible components, such as Label.
Made with Niotron IDE at https://ide.niotron.com.
Current version: 5 Package name: com.gordonlu.componentutil.aix
For more information, read this MIT App Inventor Community thread, and here for the GitHub repo.
π Documentation
Event blocks
AfterFocus - This event is fired after the extension has attempted to give focus to a component.
Parameters: component = component, successful = boolean
GotFocus - This event is fired when a registered component is focused.
Parameters: component = component
LostFocus - This event is fired when a registered component has focus removed.
Parameters: component = component
OnClick - This event is fired when a registered component is clicked.
Parameters: component = component
OnContextMenuFinish - This event is fired when the action is completed. The isAdvanced parameter identifies whether the action is showing an advanced context menu, and the successful parameter is whether the action is successfully completed.
Parameters: isAdvanced = boolean, successful = boolean
OnKey - This event is fired when the user has pressed a hardware key while playing around with this component. To check out what keyCode means, please read the keys in https://developer.android.com/reference/android/view/KeyEvent, starting with KEYCODE_.
Parameters: component = component, keyCode = number (int)
OnLongClick - This event is fired when a registered component is long clicked.
Parameters: component = component
OnScrollChange - This event is fired when the user has scrolled the component. This probably only works with scrollable arrangements.
Parameters: component = component, prevX = number (int), prevY = number (int), currentX = number (int), currentY = number (int)
OnTouch - This event is fired when the user has touched a registered component.
Parameters: component = component
Method blocks
ApplyBlink - Applies blink animation to a component, given a specific duration and a component.
Parameters: component = component, duration = number (int), startOffset = number (int)
Bounce - Bounces the given component with the given duration and repeat counts.
Parameters: component = component, duration = number (int), repeatCount = number (int)
CanScrollDown - Checks whether the component can be scrolled vertically in a down direction. Returns: boolean
Parameters: component = component
CanScrollLeft - Checks whether the component can be scrolled horizontally in a left direction. Returns: boolean
Parameters: component = component
CanScrollRight - Checks whether the component can be scrolled horizontally in a right direction. Returns: boolean
Parameters: component = component
CanScrollUp - Checks whether the component can be scrolled vertically in a up direction. Returns: boolean
Parameters: component = component
FadeIn - Applies fade-in animation for the given component.
Parameters: component = component
FadeOut - Applies fade-out animation for the given component.
Parameters: component = component
GetBaseline - Return the offset of the component's text baseline from the widget's top boundary. If this component does not support baseline alignment, this method returns -1. Returns: number (int)
Parameters: component = component
GetBottom - Returns the bottom of this component, in pixels. Returns: number (int)
Parameters: component = component
GetContentDescription - Returns the component's content description. Returns: text
Parameters: component = component
GetElevation - Returns the base depth position, or elevation, of the component, in pixels. Returns: number (float)
Parameters: component = component
GetLeft - Returns the left edge of this component, in pixels. Returns: number (int)
Parameters: component = component
GetOpacity - Returns the opacity of the component. 0 is less opaque and 1 is most opaque. Returns: number (float)
Parameters: component = component
GetPaddingBottom - Returns the bottom padding of this component in pixels. If there are inset and enabled scrollbars, this value may include the space required to display the scrollbars as well. Returns: number (int)
Parameters: component = component
GetPaddingEnd - Returns the end padding of this component in pixels. If there are inset and enabled scrollbars, this value may include the space required to display the scrollbars as well. Returns: number (int)
Parameters: component = component
GetPaddingLeft - Returns the left padding of this component in pixels. If there are inset and enabled scrollbars, this value may include the space required to display the scrollbars as well. Returns: number (int)
Parameters: component = component
GetPaddingRight - Returns the left padding of this component in pixels. If there are inset and enabled scrollbars, this value may include the space required to display the scrollbars as well. Returns: number (int)
Parameters: component = component
GetPaddingStart - Returns the start padding of this component in pixels. If there are inset and enabled scrollbars, this value may include the space required to display the scrollbars as well. Returns: number (int)
Parameters: component = component
GetPaddingTop - Returns the top padding of this component in pixels. If there are inset and enabled scrollbars, this value may include the space required to display the scrollbars as well. Returns: number (int)
Parameters: component = component
GetPivotX - Returns the x location of the point around which the component is rotated and scaled. Returns: number (float)
Parameters: component = component
GetPivotY - Returns the y location of the point around which the component is rotated and scaled. Returns: number (float)
Parameters: component = component
GetRight - Returns the right edge of this component, in pixels. Returns: number (int)
Parameters: component = component
GetRotation - Returns the degrees that the component is rotated around the pivot point. Returns: number (float)
Parameters: component = component
GetRotationX - Returns the degrees that the component is rotated around the horizontal axis through the pivot point. Returns: number (float)
Parameters: component = component
GetRotationY - Returns the degrees that the component is rotated around the vertical axis through the pivot point. Returns: number (float)
Parameters: component = component
GetScaleX - Returns the amount that the component is scaled in x around the pivot point, as a proportion of the view's unscaled width. Returns: number (float)
Parameters: component = component
GetScaleY - Returns the amount that the component is scaled in y around the pivot point, as a proportion of the view's unscaled width.Returns: number (float)
Parameters: component = component
GetScrollBarSize - Returns the scrollbar size for this component. Returns: number (int)
Parameters: component = component
GetScrollX - Return the scrolled left position of this component. This is the left edge of the displayed part of your component. You do not need to draw any pixels farther left, since those are outside of the frame of your component on screen. Returns: number (int)
Parameters: component = component
GetScrollY - Return the scrolled top position of this component. This is the top edge of the displayed part of your component. You do not need to draw any pixels farther top, since those are outside of the frame of your component on screen. Returns: number (int)
Parameters: component = component
GetTop - Returns the top edge of this component, in pixels. Returns: number (int)
Parameters: component = component
GetTranslationX - Returns the horizontal location of this component relative to its left position. This position is post-layout, in addition to wherever the object's layout placed it. Returns: number (float)
Parameters: component = component
GetTranslationY - Returns the vertical location of this component relative to its top position. This position is post-layout, in addition to wherever the object's layout placed it. Returns: number (float)
Parameters: component = component
GetTranslationZ - Returns the depth location of this component relative to its elevation. Returns: number (float)
Parameters: component = component
GetX - Returns the visual x position of this component, in pixels. This is equivalent to the TranslationX property plus the current left property. Returns: number (float)
Parameters: component = component
GetY - Returns the visual y position of this component, in pixels. This is equivalent to the TranslationX property plus the current top property. Returns: number (float)
Parameters: component = component
GetZ - Returns the visual z position of this component, in pixels. This is equivalent to the TranslationZ property plus the current elevation property. Returns: number (float)
Parameters: component = component
IsActivated - Indicates the activation state of this component. Activation state is not equivalent to enabling state. Returns: boolean
Parameters: component = component
IsClickable - Checks whether this component is clickable or not. Returns: boolean
Parameters: component = component
IsFocusable - Checks whether this component is currently able to take focus. Returns: boolean
Parameters: component = component
IsLongClickable - Checks whether this component is long clickable or not. Returns: boolean
Parameters: component = component
IsPressed - Checks whether this component is currently pressed by the user. Returns: boolean
Parameters: component = component
PerformClick - Performs a click for the given component.
Parameters: component = component
PerformLongClick - Performs a long click for the given component.
Parameters: component = component
RegisterClick - Registers the component so that when the user clicks the component, it will fire the OnClick event.
Parameters: component = component
RegisterFocus - Registers the component so that when the user focuses or removes focus for the component, it will fire the respective event.
Parameters: component = component
RegisterLongClick - Registers the component so that when the user clicks the component, it will fire the OnLongClick event.
Parameters: component = component
RegisterOnKey - Registers the component so that when the user presses hardware keys while playing around with this component, the extension will fire the OnKey event.
Parameters: component = component
RegisterScroll - Registers the component so that when the user scrolls the component, it will fire the OnScroll event.
Parameters: component = component
RegisterTouch - Registers the component so that when the user scrolls the component, it will fire the OnScroll event.
Parameters: component = component
RemoveContentDescription - Removes the component's content description.
Parameters: component = component
RequestFocus - Call this to try to give focus to a specific component or to one of its descendants.
Parameters: component = component
Rotate - Rotates the given component.
Parameters: component = component, degree = number (float)
ScrollTo - Scrolls the scrollable arrangement to the given position.
Parameters: scrollableArrangement = component, x = number (int), y = number (int)
SetActivated - Changes the activated state of this component.
Parameters: component = component, activate = boolean
SetBottom - Sets the bottom position of this component relative to its parent, in pixels.
Parameters: component = component, bottom = number (int)
SetContentDescription - Sets the component's content description. A content description briefly describes the component and is primarily used for accessibility support to determine how a component should be presented to the user.
Parameters: component = component, description = text
SetElevation - Sets the elevation for the given component.
Parameters: component = component, elevation = number (float)
SetFocusable - Set whether this component can receive the focus.
Parameters: component = component, focusable = boolean
SetLeft - Sets the left position of this component relative to its parent, in pixels.
Parameters: component = component, left = number (int)
SetLongClickable - Sets whether this component can be long clickable.
Parameters: component = component, longClickable = boolean
SetOpacity - Sets the opacity of this component. 0 is less opaque and 1 is most opaque.
Parameters: component = component, opacity = number (float)
SetPadding - Sets the padding of the given component.
Parameters: component = component, left = number (int), top = number (int), right = number (int), bottom = number (int)
SetPivotX - Sets the x location of the point around which the component is rotated and scaled. By default, the pivot point is centered on the object.
Parameters: component = component, pivotX = number (float)
SetPivotY - Sets the y location of the point around which the component is rotated and scaled. By default, the pivot point is centered on the object.
Parameters: component = component, pivotX = number (float)
SetRight - Sets the right position of this component relative to its parent, in pixels.
Parameters: component = component, right = number (int)
SetRipple - Applies ripple effect for the given component.
Parameters: component = component, color = color
SetRotationX - Sets the degrees that the component is rotated around the horizontal axis through the pivot point.
Parameters: component = component, rotationX = number (float)
SetRotationY - Sets the degrees that the component is rotated around the vertical axis through the pivot point.
Parameters: component = component, rotationY = number (float)
SetScaleX - Sets the amount that the component is scaled in x around the pivot point, as a proportion of the component's unscaled width. A value of 1 means that no scaling is applied.
Parameters: component = component, scaleX = number (float)
SetScaleY - Sets the amount that the component is scaled in y around the pivot point, as a proportion of the component's unscaled height. A value of 1 means that no scaling is applied.
Parameters: component = component, scaleY = number (float)
SetScrollbarFadingEnabled - Define whether scrollbars will fade when the component is not scrolling.
Parameters: component = component, fade = boolean
SetScrollbarSize - Sets the size of the scrollbar.
Parameters: component = component, size = number (int)
SetTop - Sets the top position of this component relative to its parent, in pixels.
Parameters: component = component, top = number (int)
SetTranslationX - Sets the horizontal location of this component relative to its left position.
Parameters: component = component, translationX = number (float)
SetTranslationY - Sets the vertical location of this component relative to its top position.
Parameters: component = component, translationY = number (float)
SetTranslationZ - Sets the depth location of this component relative to its elevation.
Parameters: component = component, translationZ = number (float)
SetX - Sets the visual x position of this component, in pixels. This is equivalent to setting the TranslationX property to be the difference between the x value passed in and the current left property.
Parameters: component = component, x = number (float)
SetY - Sets the visual y position of this component, in pixels. This is equivalent to setting the TranslationY property to be the difference between the y value passed in and the current top property.
Parameters: component = component, y = number (float)
SetZ - Sets the visual z position of this component, in pixels. This is equivalent to setting the TranslationZ property to be the difference between the z value passed in and the current elevation property.
Parameters: component = component, y = number (float)
ShowAdvancedContextMenu - Shows the advanced context menu for this component and fires the OnContextMenuFinish event for whether it is successful. What's different from ShowContextMenu is that you can specify the x and y position of the context menu. This function will require devices with Android versions larger or 7.0.
β οΈ NOTE: I cannot guarantee that this block works properly. That's why there is a successful parameter in the corresponding event.
Parameters: component = component, x = number (float), y = number (float)
ShowContextenu - Shows the context menu for this component and fires the OnContextMenuFinish event for whether it is successful.
β οΈ NOTE: I cannot guarantee that this block works properly. That's why there is a successful parameter in the corresponding event.
Parameters: component = component
StopAnimation - Stops all animations that you applied for the given component.
Parameters: component = component
UnregisterClick - Unregisters the component so that when it is clicked, the extension will not fire the OnClick event.
Parameters: component = component
UnregisterFocus - Unregisters the component so that when the user has focused or removed focus this component, it will not fire the respective event.
Parameters: component = component
UnregisterLongClick - Unregisters the component so that when it is clicked, the extension will not fire the OnLongClick event.
Parameters: component = component
UnregisterOnKey - Unegisters the component so that when a hardware key is pressed in this component, the extension will not fire the OnKey event.
Parameters: component = component
UnregisterScroll - Unregisters the component so that when the user has scrolled this component, it will not fire the OnScrollChange event.
Parameters: component = component
UnregisterTouch - Unregisters the component so that when the user has touched this component, it will not fire the OnTouch event.
Parameters: component = component
WillNotDraw - Checks whether the component can draw on its own. Returns: boolean
Parameters: component = component
π Open Source
Yes, this extension is open source! View it in Github in the official repo.
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