{"id":137947,"date":"2021-01-27T00:00:00","date_gmt":"2021-01-27T00:00:00","guid":{"rendered":"https:\/\/adapty.io\/pt-android-in-app-subscriptions-part-1\/"},"modified":"2021-01-27T00:00:00","modified_gmt":"2021-01-27T00:00:00","slug":"android-in-app-subscriptions-part-1","status":"publish","type":"post","link":"https:\/\/adapty.io\/pt\/blog\/android-in-app-subscriptions-part-1\/","title":{"rendered":"Compras no aplicativo para Android, parte 1: configura\u00e7\u00e3o e adi\u00e7\u00e3o ao projeto."},"content":{"rendered":"\n<p>As compras no aplicativo (in-app purchases), especialmente as assinaturas, s\u00e3o os m\u00e9todos mais populares de monetizar um aplicativo (app). Por um lado, uma assinatura permite a um desenvolvedor investir no desenvolvimento do conte\u00fado e do produto, por outro, ajuda os usu\u00e1rios a obter um aplicativo, em geral, de mais alta qualidade. As compras no aplicativo <a href=\"https:\/\/support.google.com\/googleplay\/android-developer\/answer\/112622?hl=en\" rel=\"nofollow noopener\" target=\"_blank\">est\u00e3o sujeitas a 30% de comiss\u00e3o<\/a>, mas se um usu\u00e1rio \u00e9 assinante h\u00e1 mais de um ano ou um aplicativo <a href=\"https:\/\/support.google.com\/googleplay\/android-developer\/answer\/10632485\" rel=\"nofollow noopener\" target=\"_blank\">ganha menos de US$1 milh\u00e3o por ano<\/a>, a comiss\u00e3o \u00e9 de 15%.<\/p>\n\n\n\n<p>Neste artigo, explicaremos como proceder:&nbsp;&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Crie um produto no Google Play Console;<\/li>\n\n\n\n<li>Configure as assinaturas: especifique dura\u00e7\u00e3o, pre\u00e7o, per\u00edodos de avalia\u00e7\u00e3o (trials);&nbsp;<\/li>\n\n\n\n<li>Adicione uma lista de produtos em um aplicativo.&nbsp;<\/li>\n<\/ul>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"como-criar-uma-assinatura\">Como criar uma assinatura<\/h2>\n\n\n\n<p>Antes de come\u00e7armos, verifique se voc\u00ea:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Tem <a href=\"https:\/\/support.google.com\/googleplay\/android-developer\/answer\/7161426?hl=en\" rel=\"nofollow noopener\" target=\"_blank\">uma conta de desenvolvedor no Google Play<\/a>.<\/li>\n\n\n\n<li>Assinou todos os acordos e est\u00e1 pronto para come\u00e7ar a trabalhar.&nbsp;&nbsp;<\/li>\n<\/ol>\n\n\n\n<p>Agora, vamos ao que interessa: criar nosso primeiro produto.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Entre na sua <a href=\"https:\/\/play.google.com\/apps\/publish\" rel=\"nofollow noopener\" target=\"_blank\">conta de desenvolvedor<\/a> e escolha o aplicativo.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/60fef7a69f036b3bfc996258_jsaoezesquwst5gknnib6kc3xqckd8yldedvgpfkaagrqbg9xksbckpwo-g7ypda7kelwc_zzkmwkt2powjgjwok3yphfxvmaquf6fhiqrqtyz06nuu5yfdyta502n1saakxczfz.png\" alt=\"\"><\/figure>\n\n\n\n<p>Em seguida, no menu \u00e0 esquerda, encontre a se\u00e7\u00e3o Produtos, selecione <em>Subscriptions <\/em>e depois clique em <em>Create a Subscription<\/em>.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/60fef7a7b3b5c7c37e286978_qy-go34alibtdmnfdkaii3wg1fcjv5bexstyoefeazq_2oagsnx37gndqykcx6rcwcyu7ahpfzug_gusku2bg0sxtq-nkmglkw5uuvlabnnlnmp7j2ljfc9-nkzhyhbhegp1nl8r.png\" alt=\"\"><\/figure>\n\n\n\n<p>Depois, veremos o configurador de assinaturas. Seguem alguns pontos importantes.&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/60fef7a7d069f50dac0202a5_edgfvm0dhtqew-hin9r1uqwvyzuzna1nw4auk-hsl8kvgoc2uev8ulj5yhinnvdwv6xau1c1kzy2vd0fmpc8ezyurr3vtl-1qbj19ewbfwqspewed3d_echiz1gjqfrfpeiwm0yb.png\" alt=\"\"><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Crie o ID <em>que ser\u00e1 usado no aplicativo. <\/em>\u00c9 uma boa ideia adicionar um per\u00edodo de assinatura ou alguma outra informa\u00e7\u00e3o \u00fatil para identificar; assim, voc\u00ea pode criar produtos em um estilo, e facilitar a an\u00e1lise das estat\u00edsticas de vendas.<\/li>\n\n\n\n<li>O nome da assinatura que o usu\u00e1rio ver\u00e1 na loja.&nbsp;&nbsp;<\/li>\n\n\n\n<li>Descri\u00e7\u00e3o da assinatura. O usu\u00e1rio tamb\u00e9m a ver\u00e1.&nbsp;&nbsp;<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/60fef7a755430242d074b04c_5mix72nt8rn7nbjrkxd7l7pfit6yuebw9f8x0bke47mx1pbvvagpf4uar-w_dlkpkkfl9q7udzodqctd451avnwnvqccvtmz0wwj90f8md8mbmrl464wo-ljps2wriusg8ax8p1c.png\" alt=\"\"><\/figure>\n\n\n\n<p>Role para baixo e escolha o per\u00edodo de assinatura. No nosso caso, \u00e9 uma semana. Defina o pre\u00e7o.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/60fef7a8d11d44258c894e7d_658mke-hovj_itrvd6mamegcdp6wvefdt0bdamvvssnwg0cca-hwzr7wcgvm9sxf7f6a5iipl2xuaxm9hwznynmah1ad4n7ttsl4uxjpt29aimx2swzisoplqaxcj5avpepiocum.png\" alt=\"\"><\/figure>\n\n\n\n<p>Normalmente, voc\u00ea define o pre\u00e7o na moeda b\u00e1sica da conta, e o sistema converte o pre\u00e7o automaticamente. Mas voc\u00ea tamb\u00e9m pode editar o pre\u00e7o para um pa\u00eds espec\u00edfico de modo manual.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Observe que o Google mostra o imposto para cada pa\u00eds. \u00c9 \u00f3timo, porque o App Store Connect n\u00e3o faz isso.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/adapty.io\/wp-content\/uploads\/2023\/01\/60fef7a7ebfe90328d0a6a28_3k-q7t5g7luv4axvw25thwlj3aibgsnnkahdtfeleaba31hqwgvo1yin2qayyh1r97tp4p_nyvavypbvrt2-9caldi51tr15xhj4tamhq6kuluec5gikmuya1irmfzibqu79mfj1.png\" alt=\"\"><\/figure>\n\n\n\n<p>Des\u00e7a e escolha (se necess\u00e1rio):&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Per\u00edodo de avalia\u00e7\u00e3o gratuito.<\/li>\n\n\n\n<li>Pre\u00e7o inicial, que \u00e9 uma oferta para os primeiros per\u00edodos de pagamento.&nbsp;&nbsp;<\/li>\n\n\n\n<li>Per\u00edodo de car\u00eancia (Grace period). Caso um usu\u00e1rio tenha problemas de pagamento, voc\u00ea ainda pode dar a ele acesso <em>premium<\/em> por alguns dias.<\/li>\n\n\n\n<li>Uma oportunidade de se inscrever novamente na Play Store, e n\u00e3o no aplicativo, ap\u00f3s o cancelamento.&nbsp;<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"comparacao-entre-o-processo-de-compra-no-play-console-e-app-store-connect\">Compara\u00e7\u00e3o entre o processo de compra no Play Console e App Store Connect<\/h2>\n\n\n\n<p>Independentemente do fato de que as assinaturas s\u00e3o monetizadas mais efetivamente no iOS, o sistema administrativo da Play Console \u00e9 mais pr\u00e1tico, \u00e9 mais bem organizado e localizado, e funciona com maior rapidez.<\/p>\n\n\n\n<p>O processo de cria\u00e7\u00e3o do produto \u00e9 realizado da maneira mais simples poss\u00edvel. <a href=\"https:\/\/adapty.io\/blog\/ios-in-app-purchases-1\" target=\"_blank\" rel=\"noopener\">Aqui<\/a> explicamos como criar produtos no iOS.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"obtencao-de-uma-lista-de-produtos-em-um-aplicativo\">Obten\u00e7\u00e3o de uma lista de produtos em um aplicativo<\/h2>\n\n\n\n<p>Uma vez criados os produtos, vamos trabalhar na arquitetura para aceitar e processar as compras. Em geral, o processo \u00e9 assim:&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Adicione uma Biblioteca de Faturamento.<\/li>\n\n\n\n<li>Desenvolva uma classe para intera\u00e7\u00e3o com produtos do Google Play.<\/li>\n\n\n\n<li>Implemente todos os m\u00e9todos para processar compras.&nbsp;&nbsp;<\/li>\n\n\n\n<li>Adicione a valida\u00e7\u00e3o do servidor para uma compra.&nbsp;&nbsp;<\/li>\n\n\n\n<li>Colete dados de analytics.<\/li>\n<\/ol>\n\n\n\n<p>Nesta parte, vamos analisar de modo mais detalhado os dois primeiros pontos.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Como adicionar uma biblioteca de faturamento a um projeto:<\/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=\"implementation &quot;com.android.billingclient:billing:4.0.0&quot;\" 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\">implementation <\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #A3BE8C\">com.android.billingclient:billing:4.0.0<\/span><span style=\"color: #ECEFF4\">&quot;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p><em>No momento desta publica\u00e7\u00e3o, a vers\u00e3o mais recente \u00e9 a 4.0.0. Voc\u00ea pode substitui-la por qualquer outra vers\u00e3o a qualquer momento.&nbsp;&nbsp;<\/em><\/p>\n\n\n\n<p>Vamos criar uma classe de wrapper que cobrir\u00e1 a l\u00f3gica de intera\u00e7\u00e3o com o Google Play e iniciar o BillingClient a partir da Biblioteca de Faturamento nela contida. Vamos chamar esta classe de BillingClientWrapper.<\/p>\n\n\n\n<p>Esta classe implementar\u00e1 a interface PurchasesUpdatedListener. Vamos agora substituir um m\u00e9todo para isso \u2013 <em>onPurchasesUpdated(billingResult: BillingResult, purchaseList: MutableList&lt;Purchase&gt;?)<\/em> \u00e9 necess\u00e1rio logo ap\u00f3s a realiza\u00e7\u00e3o de uma compra, mas descreveremos o processo de implementa\u00e7\u00e3o no pr\u00f3ximo artigo.&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=\"import android.content.Context\nimport com.android.billingclient.api.*\n\nclass BillingClientWrapper(context: Context) : PurchasesUpdatedListener {\n\n   private val billingClient = BillingClient\n       .newBuilder(context)\n       .enablePendingPurchases()\n       .setListener(this)\n       .build()\n\n   override fun onPurchasesUpdated(billingResult: BillingResult, purchaseList: MutableList&lt;Purchase&gt;?) {\n       \/\/ here come callbacks about new purchases\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\">import<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">android.content.Context<\/span><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">import<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">com.android.billingclient.api.*<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">class<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingClientWrapper<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">context<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Context<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB; font-weight: bold\">PurchasesUpdatedListener<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">private<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> billingClient <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">newBuilder<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">context<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">enablePendingPurchases<\/span><span style=\"color: #ECEFF4\">()<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">setListener<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #81A1C1\">this<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">build<\/span><span style=\"color: #ECEFF4\">()<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">override<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">onPurchasesUpdated<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">billingResult<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingResult<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">purchaseList<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">MutableList<\/span><span style=\"color: #81A1C1\">&lt;<\/span><span style=\"color: #8FBCBB\">Purchase<\/span><span style=\"color: #81A1C1\">&gt;<\/span><span style=\"color: #D8DEE9FF\">?<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #616E88\">\/\/ here come callbacks about new purchases<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Google <a href=\"https:\/\/developer.android.com\/google\/play\/billing\/integrate#initialize\" target=\"_blank\" rel=\"noopener nofollow\">recomenda<\/a> evitar ter mais de uma conex\u00e3o ativa entre o BillingClient e o Google Play para evitar que um retorno de chamada sobre uma compra realizada seja executada v\u00e1rias vezes. Assim, voc\u00ea deve ter um \u00fanico BillingClient em uma em uma classe singleton. A classe no exemplo n\u00e3o \u00e9 um singleton, mas podemos usar a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Dependency_injection\" target=\"_blank\" rel=\"noopener nofollow\">inje\u00e7\u00e3o de depend\u00eancia<\/a> (por exemplo, com a ajuda de <a href=\"https:\/\/developer.android.com\/training\/dependency-injection\/dagger-android\" target=\"_blank\" rel=\"noopener nofollow\">Dagger<\/a> ou <a href=\"https:\/\/insert-koin.io\/docs\/quickstart\/android\/\" target=\"_blank\" rel=\"noopener nofollow\">Koin<\/a>) neste sentido, permitindo que apenas uma inst\u00e2ncia exista em um \u00fanico momento no tempo.&nbsp;<\/p>\n\n\n\n<p>Para fazer qualquer solicita\u00e7\u00e3o com a Biblioteca de Faturamento, o BillingClient deve ter uma conex\u00e3o ativa com o Google Play no momento em que a solicita\u00e7\u00e3o est\u00e1 sendo feita, mas a conex\u00e3o pode ser perdida em algum momento. Por uma quest\u00e3o de praticidade, vamos escrever um wrapper que nos permita fazer qualquer solicita\u00e7\u00e3o somente quando a conex\u00e3o estiver ativa.&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n\n\n<p>Para obter os produtos, precisamos das IDs que definimos no mercado. Mas n\u00e3o \u00e9 suficiente para uma solicita\u00e7\u00e3o, precisamos tamb\u00e9m do tipo de produto (assinaturas ou compras pontuais), por isso podemos obter uma lista geral de produtos &#8220;combinando&#8221; os resultados de duas solicita\u00e7\u00f5es.&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n\n\n<p>A solicita\u00e7\u00e3o de produtos \u00e9 ass\u00edncrona, portanto, precisamos de um retorno de chamada que nos forne\u00e7a uma lista de produtos ou retorne um modelo de erro. Quando ocorre um erro, a Biblioteca de Faturamento <a href=\"https:\/\/developer.android.com\/reference\/com\/android\/billingclient\/api\/BillingResult\" target=\"_blank\" rel=\"noopener nofollow\">retorna<\/a> um de seus <a href=\"https:\/\/developer.android.com\/reference\/com\/android\/billingclient\/api\/BillingClient.BillingResponseCode#summary\" target=\"_blank\" rel=\"noopener nofollow\">BillingResponseCodes<\/a>, bem como uma debugMessage. Vamos criar uma interface de retorno de chamada e um modelo para um erro:&nbsp;&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=\"interface OnQueryProductsListener {\n  fun onSuccess(products: List &lt; SkuDetails &gt; )\n  fun onFailure(error: Error)\n}\n\nclass Error(val responseCode: Int, val debugMessage: String)\" 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\">interface<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">OnQueryProductsListener<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">onSuccess<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">products<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">List<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&lt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">SkuDetails<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&gt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">  <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">onFailure<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">error<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Error<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">class<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Error<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">responseCode<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Int<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">debugMessage<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">String<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Segue o c\u00f3digo de um m\u00e9todo privado para obter dados sobre um tipo espec\u00edfico de produtos e um m\u00e9todo p\u00fablico que ir\u00e1 &#8220;combinar&#8221; os resultados de duas solicita\u00e7\u00f5es e fornecer a um usu\u00e1rio a lista final de produtos ou exibir uma mensagem de erro.&nbsp;&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=\"fun queryProducts(listener: OnQueryProductsListener) {\n   val skusList = listOf(&quot;premium_sub_month&quot;, &quot;premium_sub_year&quot;, &quot;some_inapp&quot;)\n\n   queryProductsForType(\n       skusList,\n       BillingClient.SkuType.SUBS\n   ) { billingResult, skuDetailsList -&gt;\n       if (billingResult.responseCode == BillingClient.BillingResponseCode.OK) {\n           val products = skuDetailsList ?: mutableListOf()\n           queryProductsForType(\n               skusList,\n               BillingClient.SkuType.INAPP\n           ) { billingResult, skuDetailsList -&gt;\n               if (billingResult.responseCode == BillingClient.BillingResponseCode.OK) {\n                   products.addAll(skuDetailsList ?: listOf())\n                   listener.onSuccess(products)\n               } else {\n                   listener.onFailure(\n                       Error(billingResult.responseCode, billingResult.debugMessage)\n                   )\n               }\n           }\n       } else {\n           listener.onFailure(\n               Error(billingResult.responseCode, billingResult.debugMessage)\n           )\n       }\n   }\n}\n\nprivate fun queryProductsForType(\n   skusList: List&lt;String&gt;,\n   @BillingClient.SkuType type: String,\n   listener: SkuDetailsResponseListener\n) {\n   onConnected {\n       billingClient.querySkuDetailsAsync(\n           SkuDetailsParams.newBuilder().setSkusList(skusList).setType(type).build(),\n           listener\n       )\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\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">queryProducts<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">listener<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">OnQueryProductsListener<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> skusList <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">listOf<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #A3BE8C\">premium_sub_month<\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #A3BE8C\">premium_sub_year<\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #A3BE8C\">some_inapp<\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   queryProductsForType<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       skusList<\/span><span style=\"color: #ECEFF4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">SkuType<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">SUBS<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><span style=\"color: #D8DEE9FF\"> billingResult<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> skuDetailsList <\/span><span style=\"color: #81A1C1\">-&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">responseCode <\/span><span style=\"color: #81A1C1\">==<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">BillingResponseCode<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">OK<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           <\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> products <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> skuDetailsList <\/span><span style=\"color: #81A1C1\">?:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">mutableListOf<\/span><span style=\"color: #ECEFF4\">()<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           queryProductsForType<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               skusList<\/span><span style=\"color: #ECEFF4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">SkuType<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">INAPP<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           <\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><span style=\"color: #D8DEE9FF\"> billingResult<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> skuDetailsList <\/span><span style=\"color: #81A1C1\">-&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">responseCode <\/span><span style=\"color: #81A1C1\">==<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">BillingResponseCode<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">OK<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                   products<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">addAll<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">skuDetailsList <\/span><span style=\"color: #81A1C1\">?:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">listOf<\/span><span style=\"color: #ECEFF4\">())<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                   listener<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">onSuccess<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">products<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               <\/span><span style=\"color: #ECEFF4\">}<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">else<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                   listener<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">onFailure<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                       <\/span><span style=\"color: #8FBCBB\">Error<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">responseCode<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">debugMessage<\/span><span style=\"color: #ECEFF4\">)<\/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: #ECEFF4\">}<\/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: #ECEFF4\">}<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">else<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           listener<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">onFailure<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               <\/span><span style=\"color: #8FBCBB\">Error<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">responseCode<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">debugMessage<\/span><span style=\"color: #ECEFF4\">)<\/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: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">private<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">queryProductsForType<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #D8DEE9\">skusList<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">List<\/span><span style=\"color: #81A1C1\">&lt;<\/span><span style=\"color: #8FBCBB\">String<\/span><span style=\"color: #81A1C1\">&gt;<\/span><span style=\"color: #ECEFF4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">@BillingClient.SkuType<\/span><span style=\"color: #ECEFF4\"> <\/span><span style=\"color: #D8DEE9\">type<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">String<\/span><span style=\"color: #ECEFF4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #D8DEE9\">listener<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">SkuDetailsResponseListener<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   onConnected <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       billingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">querySkuDetailsAsync<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           <\/span><span style=\"color: #8FBCBB\">SkuDetailsParams<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">newBuilder<\/span><span style=\"color: #ECEFF4\">().<\/span><span style=\"color: #D8DEE9FF\">setSkusList<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">skusList<\/span><span style=\"color: #ECEFF4\">).<\/span><span style=\"color: #D8DEE9FF\">setType<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">type<\/span><span style=\"color: #ECEFF4\">).<\/span><span style=\"color: #D8DEE9FF\">build<\/span><span style=\"color: #ECEFF4\">(),<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           listener<\/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: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Assim, conseguimos informa\u00e7\u00f5es valiosas sobre os produtos (<a href=\"https:\/\/developer.android.com\/reference\/com\/android\/billingclient\/api\/SkuDetails\" target=\"_blank\" rel=\"noopener nofollow\">SkuDetails<\/a>) onde podemos ver nomes localizados, pre\u00e7os, tipo de produto, assim como per\u00edodo de cobran\u00e7a e informa\u00e7\u00f5es sobre pre\u00e7o inicial e per\u00edodo de avalia\u00e7\u00e3o (se estiver dispon\u00edvel para este usu\u00e1rio) de assinaturas. Veja como \u00e9 a classe final:&nbsp;&nbsp;&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=\"import android.content.Context\nimport com.android.billingclient.api.*\nclass BillingClientWrapper(context: Context) : PurchasesUpdatedListener {\n   interface OnQueryProductsListener {\n       fun onSuccess(products: List&lt;SkuDetails&gt;)\n       fun onFailure(error: Error)\n   }\n   class Error(val responseCode: Int, val debugMessage: String)\n   private val billingClient = BillingClient\n       .newBuilder(context)\n       .enablePendingPurchases()\n       .setListener(this)\n       .build()\n   fun queryProducts(listener: OnQueryProductsListener) {\n       val skusList = listOf(&quot;premium_sub_month&quot;, &quot;premium_sub_year&quot;, &quot;some_inapp&quot;)\n       queryProductsForType(\n           skusList,\n           BillingClient.SkuType.SUBS\n       ) { billingResult, skuDetailsList -&gt;\n           if (billingResult.responseCode == BillingClient.BillingResponseCode.OK) {\n               val products = skuDetailsList ?: mutableListOf()\n               queryProductsForType(\n                   skusList,\n                   BillingClient.SkuType.INAPP\n               ) { billingResult, skuDetailsList -&gt;\n                   if (billingResult.responseCode == BillingClient.BillingResponseCode.OK) {\n                       products.addAll(skuDetailsList ?: listOf())\n                       listener.onSuccess(products)\n                   } else {\n                       listener.onFailure(\n                           Error(billingResult.responseCode, billingResult.debugMessage)\n                       )\n                   }\n               }\n           } else {\n               listener.onFailure(\n                   Error(billingResult.responseCode, billingResult.debugMessage)\n               )\n           }\n       }\n   }\n   private fun queryProductsForType(\n       skusList: List&lt;String&gt;,\n       @BillingClient.SkuType type: String,\n       listener: SkuDetailsResponseListener\n   ) {\n       onConnected {\n           billingClient.querySkuDetailsAsync(\n               SkuDetailsParams.newBuilder().setSkusList(skusList).setType(type).build(),\n               listener\n           )\n       }\n   }\n   private fun onConnected(block: () -&gt; Unit) {\n       billingClient.startConnection(object : BillingClientStateListener {\n           override fun onBillingSetupFinished(billingResult: BillingResult) {\n               block()\n           }\n           override fun onBillingServiceDisconnected() {\n               \/\/ Try to restart the connection on the next request to\n               \/\/ Google Play by calling the startConnection() method.\n           }\n       })\n   }\n   override fun onPurchasesUpdated(billingResult: BillingResult, purchaseList: MutableList&lt;Purchase&gt;?) {\n       \/\/ here come callbacks about new purchases\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\">import<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">android.content.Context<\/span><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">import<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">com.android.billingclient.api.*<\/span><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">class<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingClientWrapper<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">context<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Context<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB; font-weight: bold\">PurchasesUpdatedListener<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">interface<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">OnQueryProductsListener<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">onSuccess<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">products<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">List<\/span><span style=\"color: #81A1C1\">&lt;<\/span><span style=\"color: #8FBCBB\">SkuDetails<\/span><span style=\"color: #81A1C1\">&gt;<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">onFailure<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">error<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Error<\/span><span style=\"color: #ECEFF4\">)<\/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\">class<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Error<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">responseCode<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Int<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">debugMessage<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">String<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">private<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> billingClient <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">newBuilder<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">context<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">enablePendingPurchases<\/span><span style=\"color: #ECEFF4\">()<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">setListener<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #81A1C1\">this<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">build<\/span><span style=\"color: #ECEFF4\">()<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">queryProducts<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">listener<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">OnQueryProductsListener<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> skusList <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">listOf<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #A3BE8C\">premium_sub_month<\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #A3BE8C\">premium_sub_year<\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #A3BE8C\">some_inapp<\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       queryProductsForType<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           skusList<\/span><span style=\"color: #ECEFF4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">SkuType<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">SUBS<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><span style=\"color: #D8DEE9FF\"> billingResult<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> skuDetailsList <\/span><span style=\"color: #81A1C1\">-&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">responseCode <\/span><span style=\"color: #81A1C1\">==<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">BillingResponseCode<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">OK<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               <\/span><span style=\"color: #81A1C1\">val<\/span><span style=\"color: #D8DEE9FF\"> products <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> skuDetailsList <\/span><span style=\"color: #81A1C1\">?:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">mutableListOf<\/span><span style=\"color: #ECEFF4\">()<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               queryProductsForType<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                   skusList<\/span><span style=\"color: #ECEFF4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                   <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">SkuType<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">INAPP<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               <\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><span style=\"color: #D8DEE9FF\"> billingResult<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> skuDetailsList <\/span><span style=\"color: #81A1C1\">-&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                   <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">responseCode <\/span><span style=\"color: #81A1C1\">==<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">BillingResponseCode<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #8FBCBB\">OK<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                       products<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">addAll<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">skuDetailsList <\/span><span style=\"color: #81A1C1\">?:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">listOf<\/span><span style=\"color: #ECEFF4\">())<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                       listener<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">onSuccess<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">products<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                   <\/span><span style=\"color: #ECEFF4\">}<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">else<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                       listener<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">onFailure<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                           <\/span><span style=\"color: #8FBCBB\">Error<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">responseCode<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">debugMessage<\/span><span style=\"color: #ECEFF4\">)<\/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: #ECEFF4\">}<\/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: #ECEFF4\">}<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">else<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               listener<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">onFailure<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                   <\/span><span style=\"color: #8FBCBB\">Error<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">responseCode<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> billingResult<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">debugMessage<\/span><span style=\"color: #ECEFF4\">)<\/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: #ECEFF4\">}<\/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: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">private<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">queryProductsForType<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #D8DEE9\">skusList<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">List<\/span><span style=\"color: #81A1C1\">&lt;<\/span><span style=\"color: #8FBCBB\">String<\/span><span style=\"color: #81A1C1\">&gt;<\/span><span style=\"color: #ECEFF4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #81A1C1\">@BillingClient.SkuType<\/span><span style=\"color: #ECEFF4\"> <\/span><span style=\"color: #D8DEE9\">type<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">String<\/span><span style=\"color: #ECEFF4\">,<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #D8DEE9\">listener<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">SkuDetailsResponseListener<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       onConnected <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           billingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">querySkuDetailsAsync<\/span><span style=\"color: #ECEFF4\">(<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               <\/span><span style=\"color: #8FBCBB\">SkuDetailsParams<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">newBuilder<\/span><span style=\"color: #ECEFF4\">().<\/span><span style=\"color: #D8DEE9FF\">setSkusList<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">skusList<\/span><span style=\"color: #ECEFF4\">).<\/span><span style=\"color: #D8DEE9FF\">setType<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">type<\/span><span style=\"color: #ECEFF4\">).<\/span><span style=\"color: #D8DEE9FF\">build<\/span><span style=\"color: #ECEFF4\">(),<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               listener<\/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: #ECEFF4\">}<\/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\">private<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">onConnected<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">block<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">()<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">-&gt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Unit<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       billingClient<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9FF\">startConnection<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #81A1C1\">object<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingClientStateListener<\/span><span style=\"color: #D8DEE9FF\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           override fun onBillingSetupFinished<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">billingResult<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingResult<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               block<\/span><span style=\"color: #ECEFF4\">()<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           override fun onBillingServiceDisconnected<\/span><span style=\"color: #ECEFF4\">()<\/span><span style=\"color: #D8DEE9FF\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               <\/span><span style=\"color: #81A1C1\">\/\/<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Try<\/span><span style=\"color: #D8DEE9FF\"> to restart the connection on the next request to<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">               <\/span><span style=\"color: #81A1C1\">\/\/<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Google<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">Play<\/span><span style=\"color: #D8DEE9FF\"> by calling the startConnection<\/span><span style=\"color: #ECEFF4\">()<\/span><span style=\"color: #D8DEE9FF\"> method<\/span><span style=\"color: #ECEFF4\">.<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">           }<\/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: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">override<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">fun<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">onPurchasesUpdated<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">billingResult<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">BillingResult<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">purchaseList<\/span><span style=\"color: #81A1C1\">:<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">MutableList<\/span><span style=\"color: #81A1C1\">&lt;<\/span><span style=\"color: #8FBCBB\">Purchase<\/span><span style=\"color: #81A1C1\">&gt;<\/span><span style=\"color: #D8DEE9FF\">?<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">       <\/span><span style=\"color: #616E88\">\/\/ here come callbacks about new purchases<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Por hoje \u00e9 isso. Nos pr\u00f3ximos artigos, vamos tratar da implementa\u00e7\u00e3o da compra, realiza\u00e7\u00e3o de testes e tratamento de erros.&nbsp;&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O primeiro tutorial da s\u00e9rie sobre como come\u00e7ar a trabalhar com assinaturas no seu aplicativo (in-app subscriptions) para Android.<\/p>\n","protected":false},"author":43,"featured_media":143614,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[994],"tags":[],"page-builder":[],"class_list":["post-137947","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial-pt"],"acf":[],"_links":{"self":[{"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/posts\/137947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/users\/43"}],"replies":[{"embeddable":true,"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/comments?post=137947"}],"version-history":[{"count":0,"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/posts\/137947\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/media\/143614"}],"wp:attachment":[{"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/media?parent=137947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/categories?post=137947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/tags?post=137947"},{"taxonomy":"page-builder","embeddable":true,"href":"https:\/\/adapty.io\/pt\/wp-json\/wp\/v2\/page-builder?post=137947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}