flutter remove debug badge code example

Example 1: debug banner flutter

MaterialApp(
 debugShowCheckedModeBanner: false
)

Example 2: flutter remove debug badge

// Add debugShowCheckedModeBanner: false to your Material
return new MaterialApp(
	debugShowCheckedModeBanner: false,
    theme: new ThemeData(
      primarySwatch: Colors.green,
    ),
    //...
);