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USING THEMES TO STYLE YOUR APP

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USING THEMES TO STYLE YOUR APP The theme widgets are a great way to style and define global colors and font styles for your app. There are two ways to use theme widgets—to style the look and feel globally or to style just a portion of the app. For instance, you can use themes to style the color brightness (light text on a dark background or vice versa); the primary and accent colors; the canvas color; and the color of app bars, cards, dividers, selected and unselected options, buttons, hints, errors, text, icons, and so on. Using a Global App Theme  When the project is created the default theme color of  our application is blue and canvas color is White. To change the theme of your application we use the 'theme' property in material App that is your entry point of your GUI or Application.  See the Below code to change the of your app: class MyApp extends StatelessWidget { // This widget is the root of your application. @override Widget build (BuildContext context) {...
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Understanding the widget tree and element tree

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Understanding the Widget tree and Element tree: Widget tree : Widget tree are the collection of different widgets that are use to build the application. Widget contain the instructions to create the UI and when you compose widgets  together they create widget tree. In flutter every thing is widgets mans that when the application is run it call the runApp() method .Basically we taking StatelessWidget as the argument and mounted as root element for the application.Then flutter framework processes through all the widgets and corresponding elements is mounted. void   main () =>  runApp ( MyApp ()); class   MyApp   extends   StatelessWidget  {    // This widget is the root of your application.    @override    Widget   build ( BuildContext  context) {      return   MaterialApp ( debugShowCheckedModeBanner:  false ,...
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Introduction to Widget in flutter

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What is widget's in flutter Widgets is like small piece of structure or block using this blocks together we create an object and by adding different kind of block and we can alter the look and behavior of the object. e.g : like a blue print of house.
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