{"id":137905,"date":"2022-01-10T00:00:00","date_gmt":"2022-01-10T00:00:00","guid":{"rendered":"https:\/\/adapty.io\/pl-in-app-purchases-for-flutter-apps\/"},"modified":"2022-01-10T00:00:00","modified_gmt":"2022-01-10T00:00:00","slug":"in-app-purchases-for-flutter-apps","status":"publish","type":"post","link":"https:\/\/adapty.io\/pl\/blog\/in-app-purchases-for-flutter-apps\/","title":{"rendered":"Samouczek: jak zaimplementowa\u0107 zakupy w aplikacji stworzonej za pomoc\u0105 Flutter"},"content":{"rendered":"\n<p><strong>Flutter<\/strong> to stosunkowo nowy framework opracowany przez Google, kt\u00f3ry pozwala szybko tworzy\u0107 aplikacje wieloplatformowe. Innym popularnym frameworkiem jest <strong>React Native<\/strong> od Facebooka. Aplikacje Flutter s\u0105 tworzone jednocze\u015bnie dla iOS i Androida. Dlatego te\u017c biblioteka zakupu musi by\u0107 kompatybilna zar\u00f3wno z StoreKit, jak i z Billing Library.&nbsp;<\/p>\n\n\n\n<p>Pod wzgl\u0119dem architektury, ka\u017cda wtyczka p\u0142atno\u015bci, w tym nasz ADAPTY Flutter SDK \u2013 jest opakowaniem (wrapper) wok\u00f3\u0142 bibliotek natywnych, StoreKit i Billing Library. W naszym przypadku jest to wrapper wok\u00f3\u0142 naszych bibliotek <a href=\"https:\/\/github.com\/adaptyteam\/AdaptySDK-iOS\" target=\"_blank\" rel=\"noopener nofollow\">Adapty iOS<\/a> oraz <a href=\"https:\/\/github.com\/adaptyteam\/AdaptySDK-Android\" target=\"_blank\" rel=\"noopener nofollow\">Android SDK<\/a>.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"biblioteki-open-source-do-zakupow-w-aplikacji-w-aplikacjach-opartych-na-flutter\">Biblioteki open source do zakup\u00f3w w aplikacji w aplikacjach opartych na Flutter<\/h3>\n\n\n\n<p>Popularne rozwi\u0105zania do zakup\u00f3w w aplikacjach Flutter to wtyczki open source <a href=\"https:\/\/pub.dev\/packages\/in_app_purchase\" target=\"_blank\" rel=\"noopener nofollow\">in_app_purchase<\/a> (opracowana przez zesp\u00f3\u0142 odpowiedzialny za Flutter) oraz <a href=\"https:\/\/pub.dev\/packages\/flutter_inapp_purchase\" target=\"_blank\" rel=\"noopener nofollow\">flutter_inapp_purchase<\/a> (wtyczka nieoficjalna).&nbsp;<\/p>\n\n\n\n<p>Wtyczki te zosta\u0142y wykonane w celu realizacji zakup\u00f3w po stronie klienta. Nie s\u0105 one wyposa\u017cone w weryfikacj\u0119 potwierdze\u0144 zakupu po stronie serwera (server-side). Musisz skonfigurowa\u0107 w\u0142asn\u0105 infrastruktur\u0119 po stronie serwera, aby sprawdza\u0107 potwierdzenia (receipts) i zbiera\u0107 analizy p\u0142atno\u015bci dotycz\u0105ce odnowie\u0144, zwrot\u00f3w, wersji pr\u00f3bnych, anulowa\u0144 i tak dalej.&nbsp;<\/p>\n\n\n\n<p>Co wi\u0119cej, biblioteki te s\u0105 zwykle wolno aktualizowane i cz\u0119sto nie obs\u0142uguj\u0105 nowych funkcji sklepu. Aby wymieni\u0107 tylko kilka podobnych kwestii, w tej chwili brakuje im ofert promocyjnych (promo offers), funkcji pay-as-you-go i funkcji pay upfront dla iOS.<\/p>\n\n\n\n<p>Poniewa\u017c nasza biblioteka kontaktuje si\u0119 z naszym serwerem, zawiera je wszystkie:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Walidacja serwerowa zakupu;&nbsp;<\/li>\n\n\n\n<li>Pe\u0142na obs\u0142uga funkcji p\u0142atno\u015bci natywnych;&nbsp;<\/li>\n\n\n\n<li>DRY syntax;<\/li>\n\n\n\n<li>Analityka subskrypcji i zakup\u00f3w oraz inne zbieranie danych;<\/li>\n\n\n\n<li>Testy A\/B (A\/B tests), a tak\u017ce szybkie eksperymentowanie z zakupami, cenami i okresami promocyjnymi;<\/li>\n\n\n\n<li>Paywalle i oferty promocyjne.<\/li>\n<\/ul>\n\n\n\n<p>Aby ten artyku\u0142 by\u0142 kr\u00f3tki i \u0142atwy do przeczytania, podamy linki do kilku artyku\u0142\u00f3w, kt\u00f3re wcze\u015bniej napisali\u015bmy na temat krok\u00f3w, kt\u00f3re nale\u017cy podj\u0105\u0107 przed rozpocz\u0119ciem pracy nad zakupami w ramach aplikacji, stworzonej za pomoc\u0105 Flutter.<\/p>\n\n\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tworzenie-zakupow-na-ios-i-androida\">Tworzenie zakup\u00f3w na iOS i Androida<\/h3>\n\n\n\n<p>Najpierw musisz utworzy\u0107 konto dewelopera, je\u015bli go jeszcze nie posiadasz. Nast\u0119pnie musisz utworzy\u0107 cotygodniowy zakup dla system\u00f3w iOS i Android. Wyja\u015bnili\u015bmy, jak to zrobi\u0107 w naszych poprzednich artyku\u0142ach:<\/p>\n\n\n\n<p><a href=\"https:\/\/adapty.io\/blog\/ios-in-app-purchases-1\">Tworzenie zakup\u00f3w dla iOS<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/adapty.io\/blog\/android-in-app-subscriptions-part-1\">Tworzenie zakup\u00f3w dla Androida<\/a><\/p>\n\n\n\n<p>Po zako\u0144czeniu mo\u017cesz rozpocz\u0105\u0107 tworzenie i konfigurowanie projektu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tworzenie-i-konfigurowanie-projektu\">Tworzenie i konfigurowanie projektu<\/h3>\n\n\n\n<p>Aby Twoje zakupy dzia\u0142a\u0142y zar\u00f3wno w Twojej implementacji, jak i w naszym systemie, musisz wype\u0142ni\u0107 te dane techniczne.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/61dbfcadde3e1409fe5f8314_iy6l5yif4wtrzqfjzaek9s70lntdy9bul_7h6homozvwghjkvrzry8ohu9pva-7wq18d6lyztyrc3ochoezylyispz580qelit5axr2dlrpu0dat0qjcwdbx2ecgeosqtass0c7w.png\" alt=\"\"><\/figure>\n\n\n\n<p>W przypadku systemu iOS musisz:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Okre\u015bli\u0107 identyfikator pakietu (Bundle ID)<\/strong>, aby po\u0142\u0105czy\u0107 projekt Adapty ze swoj\u0105 aplikacj\u0105;<\/li>\n\n\n\n<li><strong>Skonfigurowa\u0107 powiadomienia serwera&nbsp; (Server Notifications) App Store w App Store Connect<\/strong>, dzi\u0119ki czemu b\u0119dziesz powiadamiany o zdarzeniach subskrypcji (subscription events);<\/li>\n\n\n\n<li><strong>Okre\u015bl App Store Shared Secret<\/strong>, kt\u00f3rego serwer Adapty u\u017cyje do nawi\u0105zania po\u0142\u0105czenia z serwerami Apple i weryfikacji potwierdze\u0144 zakupu.<\/li>\n<\/ul>\n\n\n\n<p>W przypadku systemu Android nale\u017cy poda\u0107 zar\u00f3wno nazw\u0119 pakietu (Package Name), jak i plik klucza konta us\u0142ugi (Service Account Key File). Nazwa pakietu to identyfikator pakietu iOS (iOS Bundle ID) dla Androida. Musisz u\u017cy\u0107 tego samego, co zosta\u0142o u\u017cyte w kodzie. Mo\u017cna to znale\u017a\u0107 w pliku \/android\/app\/build.gradle, kt\u00f3ry znajduje si\u0119 w katalogu <em>android.defaultConfig.applicationId<\/em>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"konfigurowanie-produktow-i-paywalli\">Konfigurowanie produkt\u00f3w i paywalli<\/h3>\n\n\n\n<p>Produkt Adapty zawiera je z r\u00f3\u017cnych sklep\u00f3w. Na razie mowa tylko o App Store i Google Play, ale w przysz\u0142o\u015bci wprowadzimy inne sklepy. Ide\u0105 tego podej\u015bcia jest u\u0142atwienie gromadzenia statystyk mi\u0119dzy platformami, a tak\u017ce umo\u017cliwienie pracy z podmiotami najwy\u017cszego poziomu, w przeciwie\u0144stwie do identyfikator\u00f3w.<\/p>\n\n\n\n<p><strong>Paywall <\/strong>jest abstrakcyjnym podmiotem, kt\u00f3ry zawiera tablic\u0119 produkt\u00f3w i zdalny plik konfiguracyjny (kt\u00f3ry jest plikiem JSON zawieraj\u0105cym metadane okre\u015blone w pulpicie nawigacyjnym). Twardo kodujesz paywall ID do aplikacji &#8211; ten identyfikator jest u\u017cywany do pobierania pliku konfiguracyjnego i danych produkt\u00f3w. Mo\u017cesz edytowa\u0107 oba bez konieczno\u015bci aktualizacji aplikacji. W zwyk\u0142ym scenariuszu projektujesz paywall i wype\u0142niasz go danymi otrzymanymi od nas.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Tworzenie produktu<\/h4>\n\n\n\n<p>Skorzystajmy z konsoli Google Play i App Store Connect, aby stworzy\u0107 produkt odpowiadaj\u0105cy tygodniowej subskrypcji. Wype\u0142nij identyfikator powi\u0105zanych produkt\u00f3w, kt\u00f3re mo\u017cesz pobra\u0107 z system\u00f3w p\u0142atno\u015bci. Wa\u017cne jest, aby pami\u0119ta\u0107, \u017ce poniewa\u017c App Store Connect nie ma interfejsu API, musisz to zrobi\u0107 r\u0119cznie. Na szcz\u0119\u015bcie tylko raz.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/61dbfcadc56e16884ceeda5a_34mxwyuolr8iv5x2uec0mz6-ezswlcwoiag3ixmluw25i8qerq8ybrz_vj0crilc9uwnkrao9asthwrbehotn_8r7j5amw8ruxtuy2eogngkul8qubafsly9dsisdjsapx0kx2m8.png\" alt=\"\"><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Tworzenie paywalla<\/h4>\n\n\n\n<p>Podczas tworzenia paywalla najwa\u017cniejsze jest podanie jego identyfikatora w wygodnym formacie. Identyfikator ten b\u0119dzie p\u00f3\u017aniej u\u017cywany przez zestaw SDK do \u017c\u0105dania danych paywall. Wierzymy, \u017ce jest to dobre podej\u015bcie: dzi\u0119ki tej architekturze nie ma potrzeby kodowania produkt\u00f3w po stronie klienta. Mo\u017cesz by\u0107 elastyczny w zarz\u0105dzaniu produktem, wersjami, testach itp. Alternatywn\u0105 opcj\u0105 by\u0142by Firebase JSON z zestawem wbudowanych produkt\u00f3w. Nie zapewnia to walidacji b\u0142\u0119d\u00f3w i nie jest tak przyjazne dla u\u017cytkownika.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/61dbfcae9d2b62d615559378_zn55mgmaz86h7qtmlow-pxcwlspih63ifgswsurxtydhjlqyj3gm-jqtzo-vk8bvb3txn29f7g2oe6o2voyadhruy1lhyyvqvuo6ms5ytfq-sl9nf0ixpjtzyjdk0ozq9yzn7cx7.png\" alt=\"\"><\/figure>\n\n\n\n<p>Voila! Po utworzeniu produktu i paywalla jeste\u015b teraz gotowy do pierwszego zakupu. Przejd\u017amy do instalacji SDK.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"jak-korzystac-z-sdk\">Jak korzysta\u0107 z SDK<\/h3>\n\n\n\n<p>Przyjrzyjmy si\u0119 g\u0142\u00f3wnym funkcjom, kt\u00f3rych b\u0119dziemy potrzebowa\u0107 do skonfigurowania i korzystania z subskrypcji.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Instalacja biblioteki<\/h4>\n\n\n\n<p>Najpierw musisz doda\u0107 bibliotek\u0119 <em>adapty_flutter<\/em> do swojego projektu. Aby to zrobi\u0107, dodaj nast\u0119puj\u0105c\u0105 zale\u017cno\u015b\u0107 do swojego pliku <em>pubspec.yaml<\/em>:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"dependencies:\n  adapty_flutter: ^1.0.4\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #D8DEE9FF\">dependencies<\/span><span style=\"color: #81A1C1\">:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  adapty_flutter<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">^<\/span><span style=\"color: #B48EAD\">1.0<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #B48EAD\">4<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Nast\u0119pnie uruchom:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"flutter pub get\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #D8DEE9FF\">flutter pub <\/span><span style=\"color: #81A1C1\">get<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>St\u0105d mo\u017cesz zaimportowa\u0107 Adapty SDK do swojej aplikacji w ten spos\u00f3b:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"import 'package:adapty_flutter\/adapty_flutter.dart';\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">import<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #A3BE8C\">&#39;package:adapty_flutter\/adapty_flutter.dart&#39;<\/span><span style=\"color: #81A1C1\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n\n\n<h4 class=\"wp-block-heading\">Konfiguracja<\/h4>\n\n\n\n<p>Musisz skonfigurowa\u0107 aplikacj\u0119 do pracy z Adapty. Aby to zrobi\u0107, dodaj oznaczenie <em>AdaptyPublicSdkKey<\/em> ze swoim publicznym kluczem SDK do <strong><em>Info.plist <\/em><\/strong>(dla iOS) lub do <em>AndroidManifest.xml <\/em>(dla Androida).<\/p>\n\n\n\n<p>Klucz SDK znajdziesz w <a href=\"https:\/\/app.adapty.io\/settings\/general\" target=\"_blank\" rel=\"noopener\">ustawieniach Adapty<\/a>:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/61dbfcaef59c49d11e233082_lsazt3ucjsc79arcgsxqdhss6j5t7gzc1ozj9kcwzet3-ouvcwuj-63wfcgl1ptjy4xpny8axipncjwfqvyks1yhf88bj2joq3qpn_luafk1smbmkclwkxeehl08fbucvxi7d9tx.jpg\" alt=\"\"><\/figure>\n\n\n\n<p><strong><em>Info.plist<\/em><\/strong>:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"&amp;ltdict&amp;gt\n\t...\u00a0\u00a0\u00a0\u00a0\u00a0\n\t\t&amp;ltkey&amp;gtAdaptyPublicSdkKey&amp;lt\/key&amp;gt\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">ltdict<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">gt<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">\t<\/span><span style=\"color: #ECEFF4\">...<\/span><span style=\"color: #D8DEE9FF\">\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">\t\t<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">ltkey<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">gtAdaptyPublicSdkKey<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">lt<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9FF\">key<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">gt<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>AndroidManifest.xml:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"&amp;ltapplication ...&amp;gt\n        ...\n        &amp;ltmeta-data\n               android:name=&quot;AdaptyPublicSdkKey&quot;\n               android:value=&quot;PUBLIC_SDK_KEY&quot; \/&amp;gt\n &amp;lt\/application&amp;gt\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">ltapplication <\/span><span style=\"color: #ECEFF4\">...<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">gt<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        <\/span><span style=\"color: #ECEFF4\">...<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        <\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">ltmeta<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9FF\">data<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               android<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\">name<\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #A3BE8C\">&quot;AdaptyPublicSdkKey&quot;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               android<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\">value<\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #A3BE8C\">&quot;PUBLIC_SDK_KEY&quot;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">\/&amp;<\/span><span style=\"color: #D8DEE9FF\">gt<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">lt<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9FF\">application<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">gt<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Nast\u0119pnie aktywuj SDK, wywo\u0142uj\u0105c ten kod po stronie Flutter &#8211; np. w metodzie main() swojego projektu:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"void main() {\n   runZoned(() async {\n     Adapty.activate();\n     final installId = await Service.getOrCreateInstallId();\n     await Adapty.identify(***customer-user-id***);\n     await Adapty.setLogLevel(AdaptyLogLevel.verbose);\n     runApp(MyApp());\n  });\n }\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">void<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">main<\/span><span style=\"color: #D8DEE9FF\">() {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #88C0D0\">runZoned<\/span><span style=\"color: #D8DEE9FF\">(() <\/span><span style=\"color: #81A1C1\">async<\/span><span style=\"color: #D8DEE9FF\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">     <\/span><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">activate<\/span><span style=\"color: #D8DEE9FF\">()<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">     <\/span><span style=\"color: #81A1C1\">final<\/span><span style=\"color: #D8DEE9FF\"> installId <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">await<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Service<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">getOrCreateInstallId<\/span><span style=\"color: #D8DEE9FF\">()<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">     <\/span><span style=\"color: #81A1C1\">await<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">identify<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #81A1C1\">***<\/span><span style=\"color: #D8DEE9FF\">customer<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9FF\">user<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9FF\">id<\/span><span style=\"color: #81A1C1\">***<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">     <\/span><span style=\"color: #81A1C1\">await<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">setLogLevel<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #8FBCBB\">AdaptyLogLevel<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">verbose)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">     <\/span><span style=\"color: #88C0D0\">runApp<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #8FBCBB\">MyApp<\/span><span style=\"color: #D8DEE9FF\">())<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  })<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\"> }<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Pusta funkcja <em>Adapty.activate()<\/em> aktywuje bibliotek\u0119 <em>Adapty_Flutter<\/em>:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"Future&amp;ltbool&amp;gt Adapty.identify(String customerUserId)\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #8FBCBB\">Future<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">ltbool<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">gt <\/span><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">identify<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #8FBCBB\">String<\/span><span style=\"color: #D8DEE9FF\"> customerUserId)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p><em>Adapty.identify<\/em> pozwala odzyska\u0107 identyfikator u\u017cytkownika. Adapty przesy\u0142a je do system\u00f3w subskrypcyjnych i analitycznych w celu przypisania zdarze\u0144 do tego profilu. B\u0119dziesz m\u00f3g\u0142 r\u00f3wnie\u017c znale\u017a\u0107 swoich klient\u00f3w poprzez <em>customerUserId<\/em> w <a href=\"https:\/\/app.adapty.io\/profiles\/users\">Profiles<\/a>.<\/p>\n\n\n\n<p>Adapty rejestruje komunikaty o b\u0142\u0119dach i inne wa\u017cne dane, aby pom\u00f3c ci zrozumie\u0107, co si\u0119 dzieje.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"Future&amp;ltvoid&amp;gt Adapty.identify(AdaptyLogLevel value)\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #8FBCBB\">Future<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">ltvoid<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">gt <\/span><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">identify<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #8FBCBB\">AdaptyLogLevel<\/span><span style=\"color: #D8DEE9FF\"> value)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Funkcja pozwala wybra\u0107 jedn\u0105 z trzech mo\u017cliwych warto\u015bci:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>AdaptyLogLevel.none<\/em> (ustawienie domy\u015blne): nic nie b\u0119dzie rejestrowane.<\/li>\n\n\n\n<li><em>AdaptyLogLevel.errors:<\/em> rejestrowane b\u0119d\u0105 tylko komunikaty o b\u0142\u0119dach.&nbsp;<\/li>\n\n\n\n<li><em>AdaptyLogLevel.verbose<\/em>: b\u0119d\u0105 rejestrowane wywo\u0142ania metod, \u017c\u0105dania i odpowiedzi API oraz komunikaty o b\u0142\u0119dach.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Pobieranie paywalli<\/h4>\n\n\n\n<p>Aby pobra\u0107 list\u0119 paywalli, uruchom ten kod:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"try {\n  final GetPaywallsResult getPaywallsResult = await Adapty.getPaywalls(forceUpdate: Bool);\n  final List&amp;ltAdaptyPaywall&amp;gt paywalls = getPaywallsResult.paywalls;\n } on AdaptyError(adaptyError) {}\n  catch(e) {}\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">try<\/span><span style=\"color: #D8DEE9FF\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  <\/span><span style=\"color: #81A1C1\">final<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">GetPaywallsResult<\/span><span style=\"color: #D8DEE9FF\"> getPaywallsResult <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">await<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">getPaywalls<\/span><span style=\"color: #D8DEE9FF\">(forceUpdate<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Bool<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  <\/span><span style=\"color: #81A1C1\">final<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">List<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">ltAdaptyPaywall<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9FF\">gt paywalls <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> getPaywallsResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">paywalls<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\"> } <\/span><span style=\"color: #81A1C1\">on<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">AdaptyError<\/span><span style=\"color: #D8DEE9FF\">(adaptyError) {}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  <\/span><span style=\"color: #81A1C1\">catch<\/span><span style=\"color: #D8DEE9FF\">(e) {}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Funkcja Adapty.getPaywalls() zwraca obiekt GetPaywallsResult zawieraj\u0105cy:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Paywalle: tablica paywalli ( <em>AdaptyPaywall<\/em> ). Model zawiera list\u0119 produkt\u00f3w, paywall ID, zawarto\u015b\u0107 niestandardow\u0105 i kilka innych warto\u015bci.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Dokonywanie zakup\u00f3w&nbsp;<\/h4>\n\n\n\n<p>W poprzednim kroku pobrali\u015bmy tablic\u0119 paywall. Teraz poszukamy tego, kt\u00f3rego potrzebujesz, aby wy\u015bwietli\u0107 te produkty w interfejsie u\u017cytkownika. Za\u0142\u00f3\u017cmy, \u017ce ten paywall ma nazw\u0119 <em>your_paywall_id:<\/em><\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"final List&lt;AdaptyPaywall&gt;? paywalls = getPaywallsResult.paywalls;\n    myPaywall = paywalls?.firstWhere((paywall) =&gt; paywall.developerId == &quot;your_paywall_id&quot;, orElse: null);\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">final<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">List<\/span><span style=\"color: #D8DEE9FF\">&lt;<\/span><span style=\"color: #8FBCBB\">AdaptyPaywall<\/span><span style=\"color: #D8DEE9FF\">&gt;<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #D8DEE9FF\"> paywalls <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> getPaywallsResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">paywalls<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    myPaywall <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> paywalls<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">firstWhere<\/span><span style=\"color: #D8DEE9FF\">((paywall) <\/span><span style=\"color: #81A1C1\">=&gt;<\/span><span style=\"color: #D8DEE9FF\"> paywall<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">developerId <\/span><span style=\"color: #81A1C1\">==<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #A3BE8C\">&quot;your_paywall_id&quot;<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> orElse<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">null<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Nast\u0119pnie, korzystaj\u0105c z tablicy produkt\u00f3w z pola produkty, wy\u015bwietlamy wszystkie jej elementy. Za\u0142\u00f3\u017cmy, \u017ce u\u017cytkownik chce kupi\u0107 pierwszy produkt. Dla uproszczenia przyjmiemy, \u017ce jest to pierwszy element tablicy produkt\u00f3w.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"final AdaptyProduct? product = myPaywall?.products?.first;\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">final<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">AdaptyProduct<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #D8DEE9FF\"> product <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> myPaywall<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">products<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">first<\/span><span style=\"color: #81A1C1\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Aby zainicjowa\u0107 zakup, nale\u017cy powo\u0142a\u0107 si\u0119 na funkcj\u0119 <em>makePurchaseResult<\/em>. (Pami\u0119taj, aby otoczy\u0107 go w blok try-catch, aby nadal otrzymywa\u0107 wszystkie komunikaty o b\u0142\u0119dach z SDK.)<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"final MakePurchaseResult makePurchaseResult = await Adapty.makePurchase(product);\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">final<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">MakePurchaseResult<\/span><span style=\"color: #D8DEE9FF\"> makePurchaseResult <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">await<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">makePurchase<\/span><span style=\"color: #D8DEE9FF\">(product)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Po pomy\u015blnym wykonaniu funkcji, zmienna makePurchaseResult przyjmie wynik jako swoj\u0105 warto\u015b\u0107. Oto jak sprawdzi\u0107 poziom dost\u0119pu po zako\u0144czeniu zakupu:&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"final isPremium = makePurchaseResult?.purchaserInfo?.accessLevels['premium']?.isActive ?? false;\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">final<\/span><span style=\"color: #D8DEE9FF\"> isPremium <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> makePurchaseResult<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">purchaserInfo<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">accessLevels[<\/span><span style=\"color: #A3BE8C\">&#39;premium&#39;<\/span><span style=\"color: #D8DEE9FF\">]<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">isActive <\/span><span style=\"color: #81A1C1\">??<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">false;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Zauwa\u017c, \u017ce <em>AdaptyErrorCode.paymentCancelled<\/em> oznacza, \u017ce u\u017cytkownik sam anulowa\u0142 zakup, co oznacza, \u017ce nie jest to faktyczny komunikat o b\u0142\u0119dzie.&nbsp;<\/p>\n\n\n\n<p>Aby przywr\u00f3ci\u0107 zakupy, u\u017cyj metody <em>.restorePurchases()<\/em><\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"try {\n\tfinal RestorePurchasesResult restorePurchasesResult = await Adapty.restorePurchases();\n\/\/ &quot;premium&quot; is an identifier of default access level\n  if (restorePurchasesResult?.purchaserInfo?.accessLevels['premium']?.isActive ?? false) {\n  \t\/\/ grant access to premium features\n  }\n} on AdaptyError catch (adaptyError) {}\ncatch (e) {}\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">try<\/span><span style=\"color: #D8DEE9FF\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">\t<\/span><span style=\"color: #81A1C1\">final<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">RestorePurchasesResult<\/span><span style=\"color: #D8DEE9FF\"> restorePurchasesResult <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">await<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">restorePurchases<\/span><span style=\"color: #D8DEE9FF\">()<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #616E88\">\/\/ &quot;premium&quot; is an identifier of default access level<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> (restorePurchasesResult<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">purchaserInfo<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">accessLevels[<\/span><span style=\"color: #A3BE8C\">&#39;premium&#39;<\/span><span style=\"color: #D8DEE9FF\">]<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">isActive <\/span><span style=\"color: #81A1C1\">??<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">false<\/span><span style=\"color: #D8DEE9FF\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  \t<\/span><span style=\"color: #616E88\">\/\/ grant access to premium features<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">} <\/span><span style=\"color: #81A1C1\">on<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">AdaptyError<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">catch<\/span><span style=\"color: #D8DEE9FF\"> (adaptyError) {}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">catch<\/span><span style=\"color: #D8DEE9FF\"> (e) {}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Nale\u017cy wzi\u0105\u0107 pod uwag\u0119, \u017ce zar\u00f3wno <em>MakePurchaseResult<\/em>, jak i obiekty <em>RestorePurchasesResult<\/em> zawieraj\u0105 <em>purchaserInfo<\/em>. Obiekt ten zawiera dane o poziomach dost\u0119pu, subskrypcjach i zakupach. Zazwyczaj mo\u017cesz sprawdzi\u0107, czy u\u017cytkownik mo\u017ce uzyska\u0107 dost\u0119p do funkcji premium Twojej aplikacji, sprawdzaj\u0105c poziom dost\u0119pu.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Status subskrypcji<\/h4>\n\n\n\n<p>Aby unikn\u0105\u0107 konieczno\u015bci sprawdzania poprzez ca\u0142y wcze\u015bniejszy \u0142a\u0144cuch transakcji, wprowadzamy termin &#8222;poziom dost\u0119pu.&#8221; Poziom dost\u0119pu to oznaczenie, kt\u00f3re wyja\u015bnia, do jak wielu funkcji aplikacji u\u017cytkownik mo\u017ce uzyska\u0107 dost\u0119p. Je\u015bli nie dokona\u0142 on jeszcze \u017cadnych zakup\u00f3w, jego poziom dost\u0119pu b\u0119dzie zerowy. W przeciwnym razie b\u0119dzie on taki, jak okre\u015bli\u0142e\u015b dla swojego produktu.<\/p>\n\n\n\n<p>Na przyk\u0142ad mo\u017cesz mie\u0107 dwa poziomy dost\u0119pu, a mianowicie srebrny i z\u0142oty. R\u00f3\u017cne zakupy odblokowuj\u0105 r\u00f3\u017cne poziomy dost\u0119pu i funkcje. Wi\u0119kszo\u015b\u0107 aplikacji ma tylko jeden poziom dost\u0119pu.<\/p>\n\n\n\n<p>Aby sprawdzi\u0107, czy subskrypcja jest aktywna, wystarczy sprawdzi\u0107, czy u\u017cytkownik ma aktywny poziom dost\u0119pu. Mo\u017cesz u\u017cy\u0107 metody <em>the.getPurchaserInfo()<\/em> aby to zrobi\u0107:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"try {\n\tAdaptyPurchaserInfo purchaserInfo = await Adapty.getPurchaserInfo();\n   \/\/ &quot;premium&quot; is an identifier of default access level\n  if (purchaserInfo.accessLevels['premium']?.isActive ?? false) {\n  \t\/\/ grant access to premium features\n  }\n} on AdaptyError catch (adaptyError) {}\ncatch (e) {}\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #81A1C1\">try<\/span><span style=\"color: #D8DEE9FF\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">\t<\/span><span style=\"color: #8FBCBB\">AdaptyPurchaserInfo<\/span><span style=\"color: #D8DEE9FF\"> purchaserInfo <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">await<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">getPurchaserInfo<\/span><span style=\"color: #D8DEE9FF\">()<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #616E88\">\/\/ &quot;premium&quot; is an identifier of default access level<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> (purchaserInfo<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">accessLevels[<\/span><span style=\"color: #A3BE8C\">&#39;premium&#39;<\/span><span style=\"color: #D8DEE9FF\">]<\/span><span style=\"color: #81A1C1\">?<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">isActive <\/span><span style=\"color: #81A1C1\">??<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">false<\/span><span style=\"color: #D8DEE9FF\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  \t<\/span><span style=\"color: #616E88\">\/\/ grant access to premium features<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">} <\/span><span style=\"color: #81A1C1\">on<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">AdaptyError<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">catch<\/span><span style=\"color: #D8DEE9FF\"> (adaptyError) {}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">catch<\/span><span style=\"color: #D8DEE9FF\"> (e) {}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Mo\u017cesz r\u00f3wnie\u017c subskrybowa\u0107 strumie\u0144&nbsp; .purchaserInfoUpdateStream , aby na czas dowiadywa\u0107 si\u0119 o wszelkich zmianach w poziomie dost\u0119pu subskrybenta. Jak to zrobi\u0107:&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"\" style=\"font-size:.875rem;line-height:1.25rem\"><span role=\"button\" tabindex=\"0\" data-code=\"Adapty.purchaserInfoUpdateStream.listen((purchaserInfo) {\n  print('#Adapty# Purchaser Info Updated');\n\tif (purchaserInfo.accessLevels['premium'].isActive) {\n  \t\/\/ grant access to premium features\n  }\n});\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\"><code><span class=\"line\"><span style=\"color: #8FBCBB\">Adapty<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">purchaserInfoUpdateStream<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #88C0D0\">listen<\/span><span style=\"color: #D8DEE9FF\">((purchaserInfo) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  <\/span><span style=\"color: #88C0D0\">print<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #A3BE8C\">&#39;#Adapty# Purchaser Info Updated&#39;<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">\t<\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> (purchaserInfo<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">accessLevels[<\/span><span style=\"color: #A3BE8C\">&#39;premium&#39;<\/span><span style=\"color: #D8DEE9FF\">]<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">isActive) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  \t<\/span><span style=\"color: #616E88\">\/\/ grant access to premium features<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">})<\/span><span style=\"color: #81A1C1\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"wnioski\">Wnioski<\/h3>\n\n\n\n<p>Zaprojektowali\u015bmy nasze <a href=\"https:\/\/github.com\/adaptyteam\/AdaptySDK-Flutter\" target=\"_blank\" rel=\"noopener nofollow\">SDK<\/a> w taki spos\u00f3b, aby pom\u00f3c Ci szybko zintegrowa\u0107 p\u0142atno\u015bci z aplikacj\u0105.&nbsp; Co wi\u0119cej, starali\u015bmy si\u0119 r\u00f3wnie\u017c upro\u015bci\u0107 wszystkie inne kroki, kt\u00f3re mog\u0105 by\u0107 konieczne, takie jak testy A\/B, analizy i dalsze integracje.<\/p>\n\n\n\n<p>Zapewniamy pe\u0142n\u0105 funkcjonalno\u015b\u0107 zakupow\u0105 bezp\u0142atnie, je\u015bli przychody wynosz\u0105 mniej ni\u017c 10 000 USD miesi\u0119cznie. Zaoszcz\u0119d\u017a sobie miesi\u0119cy pracy i skup si\u0119 na najwa\u017cniejszej rzeczy: swoim produkcie.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Samouczek: jak zaimplementowa\u0107 zakupy w aplikacji stworzonej za pomoc\u0105 Flutter<\/p>\n","protected":false},"author":45,"featured_media":143662,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[988],"tags":[],"page-builder":[],"class_list":["post-137905","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial-pl"],"acf":[],"_links":{"self":[{"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/posts\/137905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/comments?post=137905"}],"version-history":[{"count":0,"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/posts\/137905\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/media\/143662"}],"wp:attachment":[{"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/media?parent=137905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/categories?post=137905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/tags?post=137905"},{"taxonomy":"page-builder","embeddable":true,"href":"https:\/\/adapty.io\/pl\/wp-json\/wp\/v2\/page-builder?post=137905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}