Sample code to understand Alert in Flex.
Step 1:
Create a New Flex Project in a Flex Builder with Application type “None”.
Step 2:
Then MXML file will be opened and ready to start.
Go to Design View
Step 3:
Drag a Button from the Flex Component.
Step 4:
Change the label of the Button and add click event to the button using the function name.
Sample code looks like
import mx.controls.Alert;
private function show():void
{
Alert.show("You have clicked the Button","Message Window");
}
]]>
Step 5:
Thats it all done.
Output looks
