actionscript 3 - SplitViewNavigator Flashing between Transitions -

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this little difficult describe please bear me.

right now, i've got splitviewnavigator setup small viewnavigator on left menu , larger 1 on right content (i imagine pretty obvious though). when click on 1 of options on left, content on right transitions, should, appropriate view. however, transitions seem involve black box flashes on bottom part of right side viewnavigator before new view pushed onto right side viewnavigator.

here picture of mean:

https://dl.dropboxusercontent.com/u/384321/black_flash_box.png

i'm little confounded why happening since i've never seen before. example, in "phone friendly" version (which pushes views around instead of using viewnavigator), never occurs.

although doesn't affect functionality, it's ugly , makes app "flashing" anytime changes views more frustrating in light of normal phone interface.

here's code i'm using pushing in case relevant (i don't think because learned method adobe):

var splitnavigator:splitviewnavigator = navigator.parentnavigator splitviewnavigator; var contentnavigator:viewnavigator = splitnavigator.getviewnavigatorat(1) viewnavigator;              contentnavigator.pushview(research);

thoughts? i'm bit of novice appreciate help!

try changing trasnition or/and direction?

        private var _slide:slideviewtransition = new slideviewtransition();          private function init():void {             _slide.direction = viewtransitiondirection.down;             _slide.mode = slideviewtransitionmode.push;         }          contentnavigator.pushview(research, null, null, _slide);

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