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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="UTF-8"> | |
<title>UI</title> | |
<style type="text/css"> | |
#loader { | |
min-height: 100vh; | |
display: flex; | |
justify-content: center; | |
align-items: center; | |
text-align: center; | |
} | |
#loader h1 { | |
color: black; | |
font-family: Arial, Helvetica, sans-serif; | |
font-size: 32px; | |
line-height: normal; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="loader"> | |
<h1> | |
Please wait... application is loading | |
</h1> | |
</div> | |
<script src="main.dart.js" type="application/javascript"></script> | |
</body> | |
</html> |
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import 'dart:html'; | |
void main() { | |
print("sleeping..."); | |
Future.delayed(Duration(seconds: 5), () { | |
print("done sleeping"); | |
// remove loader | |
querySelector("#loader").remove(); | |
// hide loader | |
runApp(MyApp()); | |
}); | |
} |
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