![HTML/CSS Analogs for Flutter
<div class="greybox">
Lorem ipsum
</div>
.greybox {
background-color: #e0e0e0; /* grey 300 */
width: 320px;
height: 240px;
font: 900 24px Georgia;
}
var container = new Container( // grey box
child: new Text(
"Lorem ipsum",
style: new TextStyle(
fontSize: 24.0
fontWeight: FontWeight.w900,
fontFamily: "Georgia",
),
),
width: 320.0,
height: 240.0,
color: Colors.grey[300],
);](https://image.slidesharecdn.com/flutter-180516111425/85/Flutter-8-320.jpg)
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Flutter
- 1. Lets Flutter
- 2. Who am I ? Android Geek | Blogger at Mindorks | Open Source Contributor Community Speaker | BlockChain guy | Explorer in Tech
- 3. (React) Native vs Flutter
- 4. What is Flutter? A SDK that makes building high-performing, modern and beautiful apps easy Works for both Android and iOS An open-source toolkit, developed by Google* 100+ contributions from the open source community
- 5. Who is Flutter for? Designers converge on a brand-driven experience on Android and iOS Prototypers enjoy a high-fidelity and fast way to build working prototypes. Developers benefit from fantastic developer tools, an easy-to-use language, a rich set of widgets and great IDE support. Flutter frees up valuable time for working on features and delightful experiences.
- 6. What do you see here?
- 7. Diagram the Layout Look for rows and columns Is there a grid? Any overlapping elements? Do we need tabs? Padding, alignment or borders needed?
- 8. HTML/CSS Analogs for Flutter <div class="greybox"> Lorem ipsum </div> .greybox { background-color: #e0e0e0; /* grey 300 */ width: 320px; height: 240px; font: 900 24px Georgia; } var container = new Container( // grey box child: new Text( "Lorem ipsum", style: new TextStyle( fontSize: 24.0 fontWeight: FontWeight.w900, fontFamily: "Georgia", ), ), width: 320.0, height: 240.0, color: Colors.grey[300], );
- 9. $ flutter doctor Checks your environment and displays a report to the terminal window $ flutter upgrade Updates both the Flutter SDK and your packages
- 10. pubspec.yaml name: flutter_project description: An amazing Flutter project using Firebase Auth dependencies: flutter: sdk: flutter firebase_auth: "^0.2.5"
- 11. HOT RELOAD Injecting updated source code files into the running Dart VM Stateful: App state is retained after a reload. Quickly iterate on a screen deeply nested in your app
- 12. HOT RELOAD
- 15. Goodbye, global layout system new Center( child: new Text('Centered Text', style: textStyle), ) Local layouts: Every Widget defines it’s own layout. No need to tell the parent that it’s children are supposed to be centered.
- 17. Using platform channels allows for receiving method calls and sending back results
- 19. - Compiles to Native Code - No reliance on OEM widgets - No bridge needed - Structural Repainting
- 21. Using Flutter
- 22. “Running at 60 fps, user interfaces created with Flutter perform far better than those created with other cross-platform development frameworks.” code.tutsplus.com/tutorials/developing-an-android-app-with-flutter--cms-28270
- 23. “Coding with Dart and Flutter rekindled the joy I had when I started with mobile dev way back when … No B.S.” traversoft.com/blog/2017/08/08/conference-app-flutter
- 24. "The UI is butter smooth (when building a release version), I have never seen such a smooth Android app" Pascal Welsch, Speaker at Droidcon Berlin
- 26. Thank You ! Himanshu Singh Google Associate Android Developer @hi-manshu
Editor's Notes
- #6: Brand-driven == customized Internal teams at Google (CRM system) have managed to build functioning prototypes in a week. Designers with 0 coding experiences became productive with Flutter in weeks - allowing them to build prototypes in hours.
- #7: When talking to a designer and a developer, you will most definitely receive two different answers, leading to different understanding of the same UI and effectively leading to confusion. We can avoid that by bringing in designers and developers early on and cooperate on the same language and same UI toolkit.
- #9: There is a whole section in the Flutter docs that deals with this and helps people familiar with HTML and CSS to quickly become productive designers with Flutter
- #17: StatelessWidget is used for immutable elements that only rely on the object configuration information StatefulWidget is used for elements that can dynamically change based on state-changes in the system Everytime that state changes, setChange() is called by the object
- #20: Flutter comes with it’s own widgets and renderer No support library needed. Not depended on OEM updates. Thanks to composition, we can only redraw what changed Bit blitting moved items that didn’t change from Cache
- #21: Flutter comes with it’s own widgets and renderer No support library needed. Not depended on OEM updates. Thanks to composition, we can only redraw what changed Bit blitting moved items that didn’t change from Cache
- #22: Flutter comes with it’s own widgets and renderer No support library needed. Not depended on OEM updates. Thanks to composition, we can only redraw what changed Bit blitting moved items that didn’t change from Cache