FreeTLab
94f354a7c1
App id always uses the real value (SDK init only, no ad-serving risk). Banner/interstitial pick the real unit id in release builds and Google's test unit id everywhere else, so debug/profile builds can never serve (or accidentally tap) a real ad.
86 lines
2.8 KiB
Dart
86 lines
2.8 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:google_mobile_ads/google_mobile_ads.dart';
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import 'package:provider/provider.dart';
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import '../estado/estado_entitlement.dart';
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import '../servicios/servicio_anuncios.dart';
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/// Entitlement-aware top-banner slot (Design ADR-6, ad-display spec
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/// "Persistent Top Banner, Never Overlapping Content"). Collapses to
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/// `SizedBox.shrink()` — zero reserved space, zero layout impact — whenever
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/// the user is premium OR no ad has finished loading yet; only a
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/// successfully loaded [BannerAd] renders a sized box around an [AdWidget].
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/// Callers place this as a plain sibling in a `Column` ABOVE the existing
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/// body (`app.dart`'s `_PaginaPrincipalState.build`) — this widget itself
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/// never wraps its parent in a `Stack`/overlay.
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class BannerAnuncioSuperior extends StatefulWidget {
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const BannerAnuncioSuperior({super.key});
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@override
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State<BannerAnuncioSuperior> createState() => _BannerAnuncioSuperiorState();
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}
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class _BannerAnuncioSuperiorState extends State<BannerAnuncioSuperior> {
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BannerAd? _bannerAd;
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bool _cargado = false;
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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final servicio = context.read<ServicioAnuncios>();
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if (_bannerAd == null && servicio.debeMostrarBanner) {
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_cargarBanner();
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}
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}
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void _cargarBanner() {
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// Fire-and-forget: a failure (no plugin channel in `flutter test`, no
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// fill, offline) leaves `_bannerAd` `null` forever, which keeps this
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// widget collapsed — exactly the same degrade-to-shrink path a genuine
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// load failure takes in production. Never throws out of this method.
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final anuncio = BannerAd(
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size: AdSize.banner,
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adUnitId: bannerAdUnitId,
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request: const AdRequest(),
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listener: BannerAdListener(
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onAdLoaded: (ad) {
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if (!mounted) {
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ad.dispose();
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return;
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}
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setState(() {
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_bannerAd = ad as BannerAd;
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_cargado = true;
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});
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},
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onAdFailedToLoad: (ad, error) {
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ad.dispose();
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},
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),
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);
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anuncio.load().catchError((_) {});
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}
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@override
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void dispose() {
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_bannerAd?.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final entitlement = context.watch<EstadoEntitlement>();
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if (entitlement.esPremium) return const SizedBox.shrink();
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// Instant vanish-on-purchase (ad-display spec "Ads Vanish Immediately
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// On Purchase"): even a banner that finished loading BEFORE this
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// transition is dropped, never shown to a now-premium user.
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if (!_cargado || _bannerAd == null) return const SizedBox.shrink();
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final ad = _bannerAd!;
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return SizedBox(
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width: ad.size.width.toDouble(),
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height: ad.size.height.toDouble(),
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child: AdWidget(ad: ad),
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);
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}
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}
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