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Building Web and Mobile Applications with Flutter and Firebase

Deleting the Files

Understand how to implement file deletion in Firebase Cloud Storage within your Flutter app. Learn to handle asynchronous delete operations, update the app state, and refresh the UI to reflect removed files while managing potential errors.

We'll cover the following...

Adding the delete functionality

Deleting files from Firebase Storage might be the easiest function so far. The delete() method is offered by Firebase Storage, and we can implement it in our code as follows:

Dart
Future<void> deleteAndRefreshList(Reference imageRef) async {
  try {
    await imageRef.delete();
    print('File deleted successfully');
    setState(() {
      imageFiles = StorageController().referenceDirImage.listAll();
    });
  } catch (e) {
    print('Error deleting file: $e');
  }
}

  • Line 3: This deletes the image referenced by imageRef from Firebase Storage. The ...