Flutter Development History
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Questions and Answers

When was the first version of Flutter, known as 'Sky', unveiled?

  • Flutter Interactive event in December 2019
  • Flutter Live event in December 2018
  • 2015 Dart developer summit (correct)
  • Google Developer Days in Shanghai in September 2018
  • What was the main intent behind the development of Flutter?

  • To provide early-access desktop application support
  • To render consistently at 120 frames per second (correct)
  • To support Metal API for iOS devices
  • To release a stable version at the Google Developer Days
  • When was Flutter 1.0 released?

  • December 11, 2019
  • December 4, 2018 (correct)
  • May 6, 2020
  • September 2018
  • What improvement did the release of Dart SDK version 2.8 and Flutter 1.17.0 bring for iOS devices?

    <p>Approximately 50% improved performance with Metal API</p> Signup and view all the answers

    What major update did Google release on March 3, 2021?

    <p>Official support for web-based applications</p> Signup and view all the answers

    What is the purpose of the Center widget in Flutter?

    <p>To center a widget vertically and horizontally in the available space</p> Signup and view all the answers

    What does the Expanded widget do in Flutter?

    <p>It expands a child of a Row, Column, or Flex to fill the available space</p> Signup and view all the answers

    What is the main purpose of the MaterialApp widget in Flutter?

    <p>To be the only widget on a page and provide wrapper for Scaffold</p> Signup and view all the answers

    What does the Scaffold class in Flutter provide?

    <p>APIs like Drawer, Snack-Bar, Bottom-Navigation-Bar, Floating-Action-Button, App-Bar, etc.</p> Signup and view all the answers

    What does the use of WidthFactor and HeightFactor null values do in the Center widget in Flutter?

    <p>Causes the Center widget to take the size of its child widget</p> Signup and view all the answers

    Study Notes

    Flutter History

    • The first version of Flutter, known as 'Sky', was unveiled in 2015.
    • Flutter was developed to provide a fast development framework that allows for the creation of natively compiled applications for mobile, web, and desktop from a single codebase.

    Flutter Releases

    • Flutter 1.0 was released in 2018.
    • The release of Dart SDK version 2.8 and Flutter 1.17.0 brought improved performance and better iOS device support, including a faster keyboard and a new default 64-bit architecture.

    Major Updates

    • On March 3, 2021, Google released a major update to Flutter, which included new features and improvements.

    Flutter Widgets

    Center Widget

    • The Center widget is used to center its child both horizontally and vertically.

    Expanded Widget

    • The Expanded widget is used to take up the available space in the parent widget, and size its child to fill the available space.

    MaterialApp Widget

    • The main purpose of the MaterialApp widget is to provide a set of Material Design visual, layout, and interactive widgets.

    Scaffold Class

    • The Scaffold class provides a basic Material Design layout structure, including an appBar, a body, and a bottomNavigationBar.

    Center Widget Configuration

    • Setting WidthFactor and HeightFactor null values in the Center widget allows the widget to take up the available space in the parent widget and center its child accordingly.

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    Description

    Test your knowledge about the history and development of Flutter, an open-source UI software development kit created by Google for building cross-platform applications. Learn about Flutter's evolution from its initial release in 2017 to its current capabilities.

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