Saving Data in Flutter

Jan 31 2024 · Dart 3, Flutter 3.10, Visual Studio Code

Part 3: Reading & Writing Files

13. Creating the File List Screen (Part 2)

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Let’s get to the design of our screen. In the build method, instead of the Placeholder, let’s return a Scaffold. In its appbar, let’s show a title with a Text widget containing the name of the list:

appBar: AppBar(title: Text(_listName)), 
body: FutureBuilder<List<FileSystemEntity>>( 
  future: _getFiles(), 
  builder:(context, snapshot) { 
if (snapshot.connectionState == ConnectionState.waiting) { 
  return const Center(child: CircularProgressIndicator()); 
return Center(child: Text('Error: ${snapshot.error}')); 
final dateString = '${date.year}-${date.month}-${}'; 
final size = file.lengthSync(); 
var subtitle = ''; 
if (_showSize) subtitle +=  'File size: ${size.toString()}'; 
if (_showDate) subtitle +=  'Last modified: $dateString'; 
return ListTile( 
  title: Text(file.path.split('/').last), 
  subtitle: Text(subTitle), 
  onTap: () {}