Android Code Snippet [B4X] [XUI] Elevation shadow

What's the best (cross-platform) way to add elevation/shadows on XUI views?

 

[Erel]

The behavior of B4i shadow, B4J shadow and B4A elevation, which are all based on the native features, are quite different than each other.
You can use this code to create the shadow:

Public Sub SetShadow (View As B4XView, Offset As Double, Color As Int)
    #if B4J
    Dim DropShadow As JavaObject
    'You might prefer to ignore panels as the shadow is different.
    'If View Is Pane Then Return
    DropShadow.InitializeNewInstance(IIf(View Is Pane, "javafx.scene.effect.InnerShadow", "javafx.scene.effect.DropShadow"), Null)
    DropShadow.RunMethod("setOffsetX", Array(Offset))
    DropShadow.RunMethod("setOffsetY", Array(Offset))
    DropShadow.RunMethod("setRadius", Array(Offset))
    Dim fx As JFX
    DropShadow.RunMethod("setColor", Array(fx.Colors.From32Bit(Color)))
    View.As(JavaObject).RunMethod("setEffect", Array(DropShadow))
    #Else If B4A
    Offset = Offset * 2
    View.As(JavaObject).RunMethod("setElevation", Array(Offset.As(Float)))
    #Else If B4i
    View.As(View).SetShadow(Color, Offset, Offset, 0.5, False)
    #End If
End Sub

Example:

SetShadow(Pane1, 4dip, 0xFF757575)
SetShadow(Button1, 4dip, 0xFF757575)

B4i:

B4A:

B4J:

 

[LucaMs]

The behavior of B4i shadow, B4J shadow and B4A elevation, which are all based on the native features, are quite different than each other.
You can

... add it to XUI

 

[Star-Dust]

What's the best (cross-platform) way to add elevation/shadows on XUI views?

Try NativeShadow class

[B4X] [XUI] SD CreativeBackground

This new library is based on my latest work (here) of gradual backgrounds and @JordiCP 's code (here) that gave me permission to rework it and insert it in a custom view. SD_CreativeBackground Author: Star-Dust Version: 0.06 GradientBackground Fields: Fill_BL_TR As String Fill_BOTTOM_TOP As...

www.b4x.com

 

[Xfood]

why does the button in b4a have no shadow?

 

[Erel]

why does the button in b4a have no shadow?

You need to increase the offset and it will show.