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textSection,

BoxFit.cover tells the framework that the image should
be as small as possible but cover its entire render box.

Step 6: Final touch

In this final step, arrange all of the elements in a
ListView, rather than a Column, because a
ListView supports app body scrolling when the app is run
on a small device.

{step5 → step6}/lib/main.dart

@@ -72,13 +77,13 @@

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return MaterialApp(

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title: 'Flutter layout demo',

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home: Scaffold(

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appBar: AppBar(

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