i use margin for text to go a little bit up but container its taking a lot of space on screen,why container is taking a lot os spaces on screen

问题

Column( mainAxisAlignment: MainAxisAlignment.center, children: [ Container( margin: EdgeInsets.only(bottom: 200.0), child: Center( child: Padding( padding: EdgeInsets.symmetric(horizontal: 10.0), child: Text( _text, style: TextStyle(color: Colors.white), ), ), ), ),

回答1:

reduce margin, margin takes much of space

    Column( mainAxisAlignment: MainAxisAlignment.center, 
    children: [ Container( margin: EdgeInsets.only(bottom: 15.0), 
child: Center( 
child: Padding( padding: EdgeInsets.symmetric(horizontal: 10.0), 
child: Text( _text, style: TextStyle(color: Colors.white), ), ), ), ),

来源：https://stackoverflow.com/questions/59784517/i-use-margin-for-text-to-go-a-little-bit-up-but-container-its-taking-a-lot-of-sp