Explain the TextEditingController in Flutter and its use in a TextField. Write a code example.

Write a code snippet that displays a button in Flutter, and when clicked, a dialog appears showing a simple message. Explain the role of each widget.

 What will be the output of the following  code? Explain each line.

void main() {

  int x = 8;

  int y = 3;

  double result = x / y;

  print('Result: ${result.toStringAsFixed(2)}');

}

How can you scroll between images in Flutter? Write a code example using Timer.

Write a Flutter code snippet that uses a Row widget to arrange three images side by side. Explain the role of each widget used, including Row, NetworkImage, and SizedBox.

Design and implement a  UI interface that displays a vertical list of text items in Flutter with each item having padding of 8.0 and a different background color? Provide the code and explain each widget used.

Explain the following code, analyzing each line for its functionality.

void main() {

  List<String> fruits = ['Apple', 'Banana', 'Cherry'];

  for (var fruit in fruits) {

    print(fruit);

  }

}

Analyze the following  code snippet and determine its output. Explain each line.

void main() {

  List<int> values = [5, 10, 15, 20];

  var doubledValues = values.map((val) {return val * 2;});

  print('Doubled Values: ${doubledValues.toList()}');

}

Explain the role of MaterialApp and Scaffold in Flutter. Write a sample app layout using these.

Explain the role of the setState method in a Flutter StatefulWidget. Provide a code example where setState is used to change the state of a variable.