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Para ativar o login com um toque para usuários recorrentes, peça que eles salvem
a senha com o Google. O usuário poderá fazer login com as senhas salvas
no seu app e na Web.
Quando você inicia o fluxo de salvar senha, o usuário recebe uma caixa de diálogo
na parte de baixo da tela para escolher se quer salvar a senha
e em qual Conta do Google.
Abrir caixa de diálogo de salvar senha na parte de baixo
Inicie a caixa de diálogo de salvamento de senha depois de autenticar o
nome de usuário e a senha com seu back-end. Mantenha as credenciais na memória durante a
autenticação. Depois de confirmar que as credenciais são válidas, abra a caixa de diálogo
"Salvar" fazendo o seguinte:
Crie um novo objeto SignInPassword. Ele precisa ser inicializado com o ID do usuário que ele usa com seu serviço (por exemplo, nome de usuário ou endereço de e-mail) e a senha que você quer salvar.
private static final int REQUEST_CODE_GIS_SAVE_PASSWORD = 2; /* unique request id */
private void savePassword() {
SignInPassword signInPassword = new SignInPassword(userId, password);
...
Processe o resultado do fluxo de salvamento de senha em onActivityResult:
@OverridepublicvoidonActivityResult(intrequestCode,intresultCode,Intentdata){super.onActivityResult(requestCode,resultCode,data);if(requestCode==REQUEST_CODE_GIS_SAVE_PASSWORD){if(resultCode==Activity.RESULT_OK){/* password was saved */}elseif(resultCode==Activity.RESULT_CANCELED){/* password saving was cancelled */}}}
privateActivityResultLauncher<IntentSenderRequest>savePasswordHandler=registerForActivityResult(newActivityResultContracts.StartIntentSenderForResult(),result->{// handle intent result here});
O conteúdo e os exemplos de código nesta página estão sujeitos às licenças descritas na Licença de conteúdo. Java e OpenJDK são marcas registradas da Oracle e/ou suas afiliadas.
Última atualização 2025-07-27 UTC.
[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Não contém as informações de que eu preciso","missingTheInformationINeed","thumb-down"],["Muito complicado / etapas demais","tooComplicatedTooManySteps","thumb-down"],["Desatualizado","outOfDate","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Problema com as amostras / o código","samplesCodeIssue","thumb-down"],["Outro","otherDown","thumb-down"]],["Última atualização 2025-07-27 UTC."],[],[],null,["# Save passwords with Credential Saving\n\n| **Caution:** One Tap for Android is deprecated. To ensure the continued security and usability of your app, [migrate to\n| Credential Manager](/identity/sign-in/credential-manager). Credential Manager supports passkey, password, and federated identity authentication (such as Sign-in with Google), stronger security, and a more consistent user experience.\n\nTo enable One Tap sign-in for returning users, you can prompt users to save\ntheir password with Google. The user will be able to sign in with their saved\npasswords in your app and on the web.\n\nWhen you start the save password flow, the user will be presented with a\nbottomsheet dialog allowing them to choose if they want to save their password\nand to which Google Account they want to save it.\n\nLaunch password save bottomsheet dialog\n---------------------------------------\n\nYou should launch the password save dialog after you have authenticated the\nusername and password with your backend. Keep the credentials in memory while\nauthenticating. After you have confirmed the credentials are valid, launch the\nsave dialog by doing the following:\n\n1. Create a new `SignInPassword` object. It should be initialized with the user\n id they use with your service (for example their username or email address)\n and password that you want to save.\n\n private static final int REQUEST_CODE_GIS_SAVE_PASSWORD = 2; /* unique request id */\n private void savePassword() {\n SignInPassword signInPassword = new SignInPassword(userId, password);\n ...\n\n2. Create a `SavePasswordRequest` object\n\n SavePasswordRequest savePasswordRequest =\n SavePasswordRequest.builder().setSignInPassword(signInPassword).build();\n\n3. Get a `PendingIntent` to display the password save dialog from\n `Identity.getCredentialSavingClient` and launch the flow:\n\n Identity.getCredentialSavingClient(activity)\n .savePassword(savePasswordRequest)\n .addOnSuccessListener(\n result -\u003e {\n startIntentSenderForResult(\n result.getPendingIntent().getIntentSender(),\n REQUEST_CODE_GIS_SAVE_PASSWORD,\n /* fillInIntent= */ null,\n /* flagsMask= */ 0,\n /* flagsValue= */ 0,\n /* extraFlags= */ 0,\n /* options= */ null);\n })\n\nHandle password save results\n----------------------------\n\nHandle the result of the password save flow in onActivityResult: \n\n @Override\n public void onActivityResult(int requestCode, int resultCode, Intent data) {\n super.onActivityResult(requestCode, resultCode, data);\n if (requestCode == REQUEST_CODE_GIS_SAVE_PASSWORD) {\n if (resultCode == Activity.RESULT_OK) {\n /* password was saved */\n } else if (resultCode == Activity.RESULT_CANCELED) {\n /* password saving was cancelled */\n }\n }\n }\n\n**Note:** Consider using the [Activity Result API](https://developer.android.com/training/basics/intents/result) to manage Activity callbacks. \n\n private ActivityResultLauncher\u003cIntentSenderRequest\u003e savePasswordHandler =\n registerForActivityResult(new ActivityResultContracts.StartIntentSenderForResult(), result -\u003e {\n // handle intent result here\n });"]]