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High leve UI& Low level UI confusing

 
audrel Jinger
Greenhorn
Posts: 2
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It is said that High level and low level UI can't display at the same time. i see sb use Canvas combined with Alert to display mutilple Simultaneous alert with the following codes
protected void showNotify(){
// canvas is being displayed, start
// any timers, etc.
}
protected void hideNotify(){
// canvas is being hidden, stop any
// timers, etc.
and protected void paint( Graphics g)
{ empty;
}
doest it mean the point that you can't use the two API at the same time is only referring to can't display two kinds of application at the same. still you can use the canvas to be the carrier.
//bow
 
Mark Herschberg
Sheriff
Posts: 6037
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"audrel",
PROPER NAMES ARE NOW REQUIRED
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--Mark
 
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