(bb10) TileList add line background
Hi all!
Is it possible to add a background picture to "by a line' to a TileList component?
I want mi TileList to have a background for each line, regardless of the number of columns on the subject. Is this possible?
Something similar to this... Can I create a background image for any container of repeating the same image to fill the height of the container?
This could help others.
I solved it this way.
Add a sprite as the first element to make it in the background.
Then add the images in either vertically as lines list.
Finally update the substantive position during the scrolling of the list.
That's all.
package com.xplota.components { import com.xplota.Events.EpubEvent; import com.xplota.assets.Icons; import flash.display.Sprite; import flash.events.Event; import mx.utils.ObjectUtil; import qnx.events.ScrollerEvent; import qnx.fuse.ui.display.Image; import qnx.fuse.ui.events.ScrollEvent; import qnx.fuse.ui.listClasses.TileList; public class MyTileList extends TileList { private var im:Image=new Image(); private var background:Sprite=new Sprite(); public function MyTileList() { super(); im.addEventListener(Event.COMPLETE, paintBackground); im.setImage("assets/estante2.png"); this.addEventListener(ScrollEvent.SCROLL_MOVE, scrollMove); } override protected function init():void { this.addChild(background); super.init(); } private function paintBackground(e:Event=null):void{ background.removeChildren(); var numchilds:int=Math.max(Math.ceil(this.height/this.rowHeight), this.rowCount); for(var i:Number=0; ibackground.numChildren){ addImageBackground(); } } override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void{ super.updateDisplayList(unscaledWidth, unscaledHeight); paintBackground(); } } }
Tags: BlackBerry Developers
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