solicita\u00e7\u00e3o<\/a> para fazer proxy de todos os outros tr\u00e1fegos para o Sync Gateway.<\/p>\n
Instale os seguintes m\u00f3dulos do Node.js:<\/p>\n
npm install express body-parser request http-proxy --save<\/code><\/pre>\nAbrir um novo arquivo servidor.js<\/code> e adicione o seguinte:<\/p>\nvar express = require('express')\r\n , bodyParser = require('body-parser')\r\n , request = require('request').defaults({json: true})\r\n , httpProxy = require('http-proxy');\r\n\r\n\/\/ 1\r\nvar app = express();\r\napp.use('\/signup', bodyParser.json());\r\n\r\n\/\/ 2\r\napp.post('\/signup', function (req, res) {\r\n console.log('its signup time');\r\n\r\n var json = req.body;\r\n var options = {\r\n url: 'https:\/\/0.0.0.0:4985\/smarthome\/_user\/',\r\n method: 'POST',\r\n body: json\r\n };\r\n\r\n request(options, function(error, response) {\r\n res.writeHead(response.statusCode);\r\n res.end();\r\n });\r\n});\r\n\r\n\/\/ 3\r\napp.all('*', function(req, res) {\r\n var url = 'https:\/\/0.0.0.0:4984' + req.url;\r\n req.pipe(request(url)).pipe(res);\r\n});\r\n\r\n\/\/ 4\r\nvar server = app.listen(8000, function () {\r\n var host = server.address().address;\r\n var port = server.address().port;\r\n\r\n console.log('App listening at https:\/\/%s:%s', host, port);\r\n});<\/code><\/pre>\nVeja a seguir o que est\u00e1 acontecendo, passo a passo:<\/p>\n
\nInstanciar uma nova inst\u00e2ncia do express e usar o bodyParser<\/code> middleware somente se o caminho corresponder a registro<\/code>. De fato, para todas as outras solicita\u00e7\u00f5es enviadas ao Sync Gateway, voc\u00ea precisa do corpo bruto da solicita\u00e7\u00e3o.<\/li>\nManuseie o \/signup<\/code> e usar o m\u00f3dulo de solicita\u00e7\u00e3o para criar o usu\u00e1rio na porta de administra\u00e7\u00e3o.<\/li>\nProxy de todas as outras solicita\u00e7\u00f5es para o Sync Gateway.<\/li>\n Inicie o servidor da Web Node.js na porta 8000.<\/li>\n<\/ol>\nDe agora em diante, voc\u00ea usar\u00e1 a url abaixo para criar usu\u00e1rios por meio do aplicativo e iniciar r\u00e9plicas push\/pull:<\/p>\n
https:\/\/localhost:8000<\/p>\n
Crie outro usu\u00e1rio para testar se tudo est\u00e1 funcionando como esperado:<\/p>\n
$ curl -vX POST -H 'Content-Type: application\/json' \r\n -d '{\"name\": \"andy\", \"password\": \"letmein\"}' \r\n :8000\/signup\/<\/code><\/pre>\nE para fazer login como esse usu\u00e1rio:<\/p>\n
$ curl -vX POST -H 'Content-Type: application\/json' \r\n -d '{\"name\": \"andy\", \"password\": \"letmein\"}' \r\n :8000\/smarthome\/_session<\/code><\/pre>\nNa pr\u00f3xima se\u00e7\u00e3o, voc\u00ea criar\u00e1 um aplicativo Android simples com uma tela de login e inscri\u00e7\u00e3o para testar esses endpoints.<\/p>\n
Aplicativo para Android<\/h2>\n Abra o Android Studio e selecione Iniciar um novo projeto do Android Studio<\/strong> do In\u00edcio r\u00e1pido<\/strong> menu.<\/p>\nNomear o aplicativo SmartHome<\/strong>defina um dom\u00ednio da empresa e um local do projeto adequados e clique em Pr\u00f3ximo<\/strong>:<\/p>\n
Na caixa de di\u00e1logo Target Android Devices (Dispositivos Android de destino), certifique-se de marcar Telefone e tablet<\/strong>defina o SDK m\u00ednimo como API 22: Android 5.1 (Lollipop)<\/strong> para ambos, e clique em Pr\u00f3ximo<\/strong>:<\/p>\n
No dia seguinte Adicionar uma atividade ao Mobile<\/strong> selecione Add Atividade em branco<\/strong> e nomeie a atividade Atividade de boas-vindas<\/strong>:<\/p>\n
Para criar as funcionalidades de registro e login, voc\u00ea usar\u00e1 duas depend\u00eancias:<\/p>\n
\nBiblioteca de suporte ao design do Android<\/strong>Para ter componentes de texto de entrada que sigam a especifica\u00e7\u00e3o do Material Design.<\/li>\nOkHttp<\/strong>para lidar com as solicita\u00e7\u00f5es POST para \/signup<\/code> e \/smarthome\/_session<\/code>.<\/li>\n<\/ul>\nEm build.gradle<\/code>adicione essas depend\u00eancias:<\/p>\ncompile 'com.android.support:design:22.2.1'\r\ncompile 'com.squareup.okhttp:okhttp:2.3.0'<\/code><\/pre>\nEm activity_welcome.xml<\/code>Adicione o seguinte LinearLayout<\/strong> dentro do RelativeLayout<\/strong>:<\/p>\n\r\n \r\n <\/button>\r\n<\/button><\/code><\/pre>\nObserve que ambos os bot\u00f5es t\u00eam um onClick<\/code> atributo. Mova o cursor do mouse sobre um dos m\u00e9todos e use o bot\u00e3o alt + enter<\/code> > Criar openLoginActivity(view)<\/code> para criar esse m\u00e9todo no WelcomeActivity<\/code>:<\/p>\n
Fa\u00e7a o mesmo com o Registrar-se<\/strong> bot\u00e3o.<\/p>\nEm seguida, crie duas novas classes e layouts XML usando o Atividade em branco<\/strong> modelo. Um deles deve ser chamado Login<\/code> e o outro Registrar-se<\/code>:<\/p>\n
De volta ao openLoginActivity<\/code> e openSignUpActivity<\/code> adicione as seguintes inten\u00e7\u00f5es expl\u00edcitas:<\/p>\npublic void openLoginActivity(View view) {\r\n Intent intent = new Intent(this, Login.class);\r\n startActivity(intent);\r\n}\r\n\r\npublic void openSignUpActivity(View view) {\r\n Intent intent = new Intent(this, SignUp.class);\r\n startActivity(intent);\r\n}<\/code><\/pre>\nAlterar a classe pai de Login.java<\/code> e SignUp.java<\/code> de AppCompatActivity<\/code> para Atividade<\/code>.<\/p>\nEm res\/values\/styles.xml (v21)<\/code>, altere o tema principal para Theme.AppCompat.Light.DarkActionBar<\/code>.<\/p>\nAberto activity_sign_up.xml<\/code> e adicione o seguinte dentro do RelativeLayout<\/strong> tag:<\/p>\n\r\n\r\n \r\n\r\n \r\n\r\n \r\n \r\n\r\n \r\n\r\n \r\n \r\n\r\n \r\n\r\n \r\n \r\n\r\n \r\n\r\n <\/button><\/code><\/pre>\nAgora, execute o aplicativo e selecione a op\u00e7\u00e3o Registrar-se<\/strong> voc\u00ea ver\u00e1 os elementos EditText do Material Design.<\/p>\nCrie uma nova classe java chamada Ajudante de rede<\/code> com o seguinte:<\/p>\npublic static final MediaType JSON = MediaType.parse(\"application\/json; charset=utf-8\");\r\n\r\nOkHttpClient client = new OkHttpClient();\r\n\r\nCall post(String url, String json, Callback callback) {\r\n RequestBody body = RequestBody.create(JSON, json);\r\n Request request = new Request.Builder()\r\n .url(url)\r\n .post(body)\r\n .build();\r\n Call call = client.newCall(request);\r\n call.enqueue(callback);\r\n return call;\r\n}<\/code><\/pre>\nAntes de poder fazer uma solicita\u00e7\u00e3o HTTP em seu aplicativo Android, voc\u00ea precisa primeiro adicionar o Rede<\/strong> permiss\u00e3o em AndroidManifest.xml<\/code>:<\/p>\n<\/code><\/pre>\nAgora de volta ao SignUp.java<\/code>Adicione as seguintes propriedades:<\/p>\nNetworkHelper networkHelper = new NetworkHelper();\r\n\r\nEditText nameInput;\r\nEditText passwordInput;\r\nEditText confirmPasswordInput;<\/code><\/pre>\nDefina o EditText<\/strong> componentes no onCreate<\/code> m\u00e9todo:<\/p>\nnameInput = (EditText) findViewById(R.id.nameInput);\r\npasswordInput = (EditText) findViewById(R.id.passwordInput);\r\nconfirmPasswordInput = (EditText) findViewById(R.id.confirmPasswordInput);<\/code><\/pre>\nImplementar o registro<\/code> para enviar uma solicita\u00e7\u00e3o POST para :8000\/assinatura<\/code> com o nome e a senha fornecidos:<\/p>\npublic void signup(View view) {\r\n if (!passwordInput.getText().toString().equals(confirmPasswordInput.getText().toString())) {\r\n Toast.makeText(getApplicationContext(), \"The passwords do not match\", Toast.LENGTH_LONG).show();\r\n } else {\r\n String json = \"{\"name\": \"\" + nameInput.getText() + \"\", \"password\":\"\" + passwordInput.getText() + \"\"}\";\r\n networkHelper.post(\"https:\/\/10.0.3.2:8000\/signup\", json, new Callback() {\r\n @Override\r\n public void onFailure(Request request, IOException e) {\r\n }\r\n @Override\r\n public void onResponse(Response response) throws IOException {\r\n String responseStr = response.body().string();\r\n final String messageText = \"Status code : \" + response.code() +\r\n \"n\" +\r\n \"Response body : \" + responseStr;\r\n runOnUiThread(new Runnable() {\r\n @Override\r\n public void run() {\r\n Toast.makeText(getApplicationContext(), messageText, Toast.LENGTH_LONG).show();\r\n }\r\n });\r\n }\r\n });\r\n }\r\n}<\/code><\/pre>\nExecute o aplicativo e digite um nome e uma senha. Se a conta de usu\u00e1rio tiver sido criada com sucesso, voc\u00ea receber\u00e1 de volta uma mensagem 201 Criado<\/code> e dever\u00e1 ver o usu\u00e1rio rec\u00e9m-criado no painel do administrador:<\/p>\n
Por fim, vamos terminar com a tela de login. Em activity_login.xml<\/code>, adicione o seguinte em RelativeLayout<\/strong>:<\/p>\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n<\/button><\/code><\/pre>\nAdicione as propriedades a Login.java<\/code>:<\/p>\nNetworkHelper networkHelper = new NetworkHelper();\r\n\r\nEditText nameInput;\r\nEditText passwordInput;<\/code><\/pre>\nE fa\u00e7a a mesma opera\u00e7\u00e3o de vincula\u00e7\u00e3o de exibi\u00e7\u00e3o em onCreate<\/code>:<\/p>\nnameInput = (EditText) findViewById(R.id.nameInput);\r\npasswordInput = (EditText) findViewById(R.id.passwordInput);<\/code><\/pre>\nImplementar o login<\/code> m\u00e9todo:<\/p>\npublic void login(View view) {\r\n String json = \"{\"name\": \"\" + nameInput.getText() + \"\", \"password\":\"\" + passwordInput.getText() + \"\"}\";\r\n networkHelper.post(\"https:\/\/10.0.3.2:8000\/smarthome\/_session\", json, new Callback() {\r\n @Override\r\n public void onFailure(Request request, IOException e) {\r\n }\r\n @Override\r\n public void onResponse(Response response) throws IOException {\r\n String responseStr = response.body().string();\r\n final String messageText = \"Status code : \" + response.code() +\r\n \"n\" +\r\n \"Response body : \" + responseStr;\r\n runOnUiThread(new Runnable() {\r\n @Override\r\n public void run() {\r\n Toast.makeText(getApplicationContext(), messageText, Toast.LENGTH_LONG).show();\r\n }\r\n });\r\n }\r\n });\r\n}<\/code><\/pre>\nExecute o aplicativo e fa\u00e7a login com o nome de usu\u00e1rio e a senha que voc\u00ea escolheu anteriormente. Se a autentica\u00e7\u00e3o for bem-sucedida, voc\u00ea receber\u00e1 de volta um c\u00f3digo de status 200 OK:<\/p>\n
OBSERVA\u00c7\u00c3O:<\/strong> Todos os SDKs do Couchbase Lite t\u00eam um m\u00e9todo no Replica\u00e7\u00e3o<\/code> que recebe um nome e uma senha e realiza a autentica\u00e7\u00e3o para voc\u00ea, de modo que voc\u00ea provavelmente n\u00e3o precisar\u00e1 fazer essa solicita\u00e7\u00e3o POST para \/smarthome\/_session<\/code>.<\/p>\nConclus\u00e3o<\/h2>\n Neste tutorial, voc\u00ea aprendeu a usar a API REST do Admin para criar usu\u00e1rios por meio de uma tela de inscri\u00e7\u00e3o em um aplicativo Android.<\/p>","protected":false},"excerpt":{"rendered":"
With the Sync Gateway API, you can authenticate on the client side as a specific user to replicate the data this user has access to. In the case of basic authentication, the user must already exist in the Sync Gateway […]<\/p>","protected":false},"author":51,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1810],"tags":[],"ppma_author":[9028],"class_list":["post-1966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-couchbase-mobile"],"acf":[],"yoast_head":"\n
Sign Up to your Android app with Node.js & Couchbase Mobile<\/title>\n<meta name=\"description\" content=\"Learn how to use the Admin REST API to create users through a Sign Up screen and setup an App Server with Node.js to manage the users in an Android app.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/pt\/adding-user-sign-up-to-your-android-app-with-node-js-and-couchbase-mobile\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Adding user Sign Up to your Android app with Node.js and Couchbase Mobile\" \/>\n<meta property=\"og:description\" content=\"Learn how to use the Admin REST API to create users through a Sign Up screen and setup an App Server with Node.js to manage the users in an Android app.\" \/>\n<meta property=\"og:url\" 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