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Documentation Index

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The shared/ directory contains widgets that are not tied to a specific feature. They are re-exported from lib/presentation/widgets/widgets.dart so every screen can import them from one place. 
import 'package:cinemapedia_220083/presentation/widgets/widgets.dart';

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CustomAppbar

A StatelessWidget that renders the app’s top navigation bar. It is designed to be embedded inside a SliverAppBar rather than used as a standalone AppBar.

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What it renders

  • A movie-reel icon (Icons.movie_outlined) tinted with the primary theme color.
  • The app name Cinemapedia_220083 in titleMedium text style.
  • A search icon button on the trailing edge (currently a no-op placeholder).
The widget wraps its content in SafeArea(bottom: false) to respect system status-bar insets without adding bottom padding.

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Constructor

const CustomAppbar({super.key});
This widget has no configurable parameters. All styling is sourced from the active ThemeData.

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Usage

// Embedded in a SliverAppBar for scroll-away behavior
CustomScrollView(
  slivers: [
    const SliverAppBar(
      floating: true,
      title: CustomAppbar(),
    ),
    // ...
  ],
);
The search button is a visual placeholder. Wiring it to a search screen requires adding an onPressed handler or refactoring CustomAppbar to accept a callback parameter.

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Source location

lib/presentation/widgets/shared/custom_appbar.dart

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CustomBottomNavigationbar

A StatelessWidget that renders a three-tab BottomNavigationBar for the app’s primary navigation destinations.

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Tabs

IndexIconLabel
0Icons.home_maxInicio
1Icons.label_outlineCategoria
2Icons.favorite_outlineFavoritos

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Constructor

const CustomBottomNavigationbar({super.key});
This widget has no configurable parameters. Tab selection state and onTap routing are not yet implemented — the bar is a static layout.

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Usage

// Passed directly to Scaffold.bottomNavigationBar
Scaffold(
  body: _HomeView(),
  bottomNavigationBar: const CustomBottomNavigationbar(),
);
The BottomNavigationBar does not manage its currentIndex or respond to taps. To enable tab switching, refactor this widget to accept a currentIndex and onTap parameter, or lift the selection state to the parent screen.

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Source location

lib/presentation/widgets/shared/custom_bottom_navigationbar.dart

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FullscreenLoader

A StatelessWidget that fills the screen with a centered loading indicator and a sequence of status messages. It is shown on the home screen while all initial movie data providers are still fetching.

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What it renders

  1. A welcome text: “Bienvenid@ a Cinemapedia 220083”
  2. A CircularProgressIndicator with stroke width 4.
  3. A StreamBuilder that cycles through status messages every 3 seconds.

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Loading messages

The internal getLoadingMessages() method emits the following strings in order, one every 3 seconds, then closes:
  1. Estableciendo elementos de comunicación
  2. Conectando a la API de TheMovieDB
  3. Obteniendo las películas que actualmente se proyectan
  4. Obteniendo los proximos estrenos
  5. Obteniendo las peliculas mejor valoradas
  6. Obteniendo las mejores películas Mexicanas
  7. Todo listo…comencemos

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Constructor

const FullscreenLoader({super.key});
This widget has no configurable parameters.

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Usage

// Shown while initial providers are loading
final initialLoading = ref.watch(intialLoadingProvider);

if (initialLoading) return const FullscreenLoader();

// Normal screen content rendered once loading is complete
return CustomScrollView(/* ... */);
intialLoadingProvider resolves to true until all five movie-category providers have loaded at least one page. Once it resolves to false, FullscreenLoader is replaced by the home screen content.

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Source location

lib/presentation/widgets/shared/fullscreen_loader.dart

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