I am using the Flex SDK within visual studio and trying to dynamically add a button to the stage. Here is a quick example of what I am doing.
public class Test extends Sprite
{
public function Test()
{
init();
}
private function init():void
{
var btnBrowse:Button = new Button();
btnBrowse.label = "Browse";
btnBrowse.x = 0;
btnBrowse.y = 0;
btnBrowse.width=100;
btnBrowse.height=100;
addChild(btnBrowse);
}
}
Nothing seems to show up and the screen is still empty. I am importing mx.controls.* for the button. Could that create an issue since I am not using mxml only as3?
You can't use Flex framework controls in an AS3 Only project. If you are trying to avoid MXML then just create a new Flex Project where the root tag is like:
<FooApplication xmlns="*"/>
And create a new AS3 Class like:
package {
import mx.core.Application;
public class FooApplication extends Application {
// now override something like createChildren to add a button.
}
}
尝试将基类从Sprite更改为Canvas。
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