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Regular Contributor
Posts: 90
Registered: ‎09-04-2009
My Device: Blackberry Z10
My Carrier: Airtel

Icon Button BG Transparancy

Hello,

 

 

plz help me.

How to set background transparency to icon button..

 

Thanks

Highlighted
Developer
Posts: 6,541
Registered: ‎10-27-2010
My Device: HTC One, PlayBook, LE Z10, DE Q10
My Carrier: Verizon

Re: Icon Button BG Transparancy

If you're talking about the actual button, you can set the "alpha" value.  The value is between 0-1.  1 being opaque, and 0 being transparent.  So 0.5 would be semi-transparent.

 

If you're talking about the icon placed in the button, then the icon image has to manage the transparent part of it.  PNG-24 is a good format to save images as and allows for transparent parts.

Regular Contributor
Posts: 90
Registered: ‎09-04-2009
My Device: Blackberry Z10
My Carrier: Airtel

Re: Icon Button BG Transparancy

thanks,

 

    i am  trying to create round iconbutton with png image but it is showing square. 

 

Developer
Posts: 6,541
Registered: ‎10-27-2010
My Device: HTC One, PlayBook, LE Z10, DE Q10
My Carrier: Verizon

Re: Icon Button BG Transparancy

In that case, you might have to create your own "RoundIconButton" control from Sprite or UIComponent.  It is pretty easy.  Just override the draw() method in UIComponent extended class to draw the round border and center the image and add the proper event listeners for mouse down and mouse up for click and change border color when selected.  If you get stuck, I can post some code later today.