{"id":47669,"date":"2023-10-04T16:17:08","date_gmt":"2022-12-28T08:20:58","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8apollo%e5%9c%a8android%e4%b8%ad%e5%ae%9e%e7%8e%b0graphql%e5%ae%a2%e6%88%b7%e7%ab%af%e3%80%82\/"},"modified":"2024-05-04T02:51:45","modified_gmt":"2024-05-03T18:51:45","slug":"%e4%bd%bf%e7%94%a8apollo%e5%9c%a8android%e4%b8%ad%e5%ae%9e%e7%8e%b0graphql%e5%ae%a2%e6%88%b7%e7%ab%af%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8apollo%e5%9c%a8android%e4%b8%ad%e5%ae%9e%e7%8e%b0graphql%e5%ae%a2%e6%88%b7%e7%ab%af%e3%80%82\/","title":{"rendered":"\u4f7f\u7528apollo\u5728Android\u4e2d\u5b9e\u73b0GraphQL\u5ba2\u6237\u7aef"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u6211\u76ee\u524d\u6b63\u5728\u4ee5\u5a31\u4e50\u4e3a\u76ee\u7684\u5f00\u53d1Android\u5e94\u7528\u7a0b\u5e8f\uff0c\u5728\u5c1d\u8bd5\u4f7f\u7528GraphQL\u4e0e\u670d\u52a1\u5668\u7aef\u8fdb\u884c\u4ea4\u4e92\u65f6\uff0c\u9047\u5230\u4e86\u4e00\u4e9b\u7a0d\u5fae\u9648\u65e7\u7684\u4e92\u8054\u7f51\u4fe1\u606f\uff0c\u5e76\u4e14\u5728\u5b98\u65b9\u9875\u9762\u4e0a\u4e5f\u6709\u4e00\u4e9b\u95ee\u9898\uff0c\u56e0\u6b64\u6211\u5c06\u5176\u4f5c\u4e3a\u5907\u5fd8\u5f55\u8bb0\u5f55\u4e0b\u6765\u3002<\/p>\n

\u670d\u52a1\u5668\u7aef<\/h1>\n

\u7531\u4e8e\u6211\u5e73\u65f6\u662f\u4e00\u540dRails\u5de5\u7a0b\u5e08\uff0c\u6240\u4ee5\u5728\u670d\u52a1\u5668\u7aef\u4f7f\u7528\u4e86Rails\u3002\u4e0d\u611f\u5174\u8da3\u670d\u52a1\u5668\u7aef\u5b9e\u73b0\u7684\u4eba\u53ef\u4ee5\u8df3\u8fc7\u3002<\/p>\n

\u8981\u5728Ruby\u4e2d\u4f7f\u7528GraphQL\uff0c\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u53eb\u505agraphql-ruby\u7684gem\u3002\u53ea\u9700\u8981\u5c06\u5b83\u6dfb\u52a0\u5230Gemfile\u4e2d\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e86\u3002<\/p>\n

gem<\/span> 'graphql'<\/span>\r\n<\/code><\/pre>\n
\u9996\u5148\uff0c\u4f7f\u7528rails generate\u547d\u4ee4\u751f\u6210\u4f7f\u7528GraphQL\u6240\u9700\u7684\u5404\u79cd\u6587\u4ef6\u3002<\/p>\n
rails g graphql:install\r\n<\/code><\/pre>\n
\u5728config\/routes.rb\u4e2d\u6dfb\u52a0\u4e86\u4e0eGraphQL\u76f8\u5173\u7684\u7aef\u70b9\uff0c\u540c\u65f6\u4f1a\u751f\u6210\u4e00\u4e2aapp\/graphql\u76ee\u5f55\u3002\u8fd8\u4f1a\u5728app\/controllers\u76ee\u5f55\u4e0b\u751f\u6210\u4e00\u4e2a\u7528\u4e8e\u5904\u7406\u7684graphql_controller.rb\u6587\u4ef6\u3002<\/p>\n
\u53e6\u5916\uff0c\u5728GraphQL\u7684\u5f00\u53d1\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u53eb\u505aGraphiQL\u7684\u6267\u884c\u73af\u5883\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b83\u662f\u7528JavaScript\u5f00\u53d1\u7684\u3002\u6211\u8ba4\u4e3a\u5728Gemfile\u4e2d\u4e5f\u6dfb\u52a0\u4e86\u4e00\u4e2a\u53eb\u505agraphiql-rails\u7684gem\uff0c\u5b83\u5c06GraphiQL\u5c01\u88c5\u4e3a\u4e86\u4e00\u4e2aRails\u5f15\u64ce\u3002\u4ececonfig\/routes.rb\u4e2d\u6dfb\u52a0\u7684\u4ee5\u4e0b\u8def\u7531\uff0c\u4f3c\u4e4e\u53ef\u4ee5\u901a\u8fc7\/graphiql\u8bbf\u95ee\u3002<\/p>\n
if<\/span> Rails<\/span>.<\/span>env<\/span>.<\/span>development?<\/span>\r\n  mount<\/span> GraphiQL<\/span>::<\/span>Rails<\/span>::<\/span>Engine<\/span>,<\/span> at: <\/span>\"\/graphiql\"<\/span>,<\/span> graphql_path: <\/span>\"\/graphql\"<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u8fdb\u884c\u5f00\u53d1\uff0c\u4f46\u5f53\u60f3\u8981\u8fde\u63a5\u5230\u6b63\u5f0f\u73af\u5883\u6216\u5176\u4ed6GraphQL\u7ec8\u7aef\u65f6\uff0cGraphiQL\u5e94\u7528\u7a0b\u5e8f\u975e\u5e38\u65b9\u4fbf\u3002\u5b83\u5df2\u7ecf\u88abElectron\u6846\u67b6\u8f6c\u53d8\u4e3a\u684c\u9762\u5e94\u7528\u7a0b\u5e8f\uff0c\u6240\u4ee5\u5bf9\u4e8eMac\u7528\u6237\u6765\u8bf4\uff0c<\/p>\n
brew cask install graphiql\r\nopen \/Applications\/GraphiQL.app\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u901a\u8fc7\u5b89\u88c5\u6765\u5b8c\u6210\u3002\u6211\u8ba4\u4e3a\u5b89\u88c5\u5b83\u4f1a\u975e\u5e38\u65b9\u4fbf\uff0c\u56e0\u4e3a\u5b83\u5728\u5f88\u591a\u65b9\u9762\u90fd\u5f88\u5b9e\u7528\u3002<\/p>\n
rails g graphql:object Movie id:ID! url:String! key:String! title:String! description:String! published_at:String \r\nrails g graphql:object Category id:ID! name:String! movies:[Movie]\r\n<\/code><\/pre>\n
\u751f\u6210\u5b8c\u4e4b\u540e\uff0c\u60a8\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u6587\u4ef6\u3002
\napp\/graphql\/types\/movie_type.rb
\napp\/graphql\/types\/category_type.rb
\n\u8fd9\u4e9b\u6587\u4ef6\u5b9a\u4e49\u4e86\u5bf9\u8c61\u3002<\/p>\n
module<\/span> Types<\/span>\r\n  class<\/span> CategoryType<\/span> <<\/span> Types<\/span>::<\/span>BaseObject<\/span>\r\n    field<\/span> :id<\/span>,<\/span> ID<\/span>,<\/span> null: <\/span>false<\/span>\r\n    field<\/span> :name<\/span>,<\/span> String<\/span>,<\/span> null: <\/span>false<\/span>\r\n    field<\/span> :movies<\/span>,<\/span> [<\/span>Types<\/span>::<\/span>MovieType<\/span>],<\/span> null: <\/span>true<\/span> do<\/span>\r\n      argument<\/span> :num<\/span>,<\/span> Integer<\/span>,<\/span> required: <\/span>false<\/span>\r\n    end<\/span>\r\n\r\n    def<\/span> movies<\/span>(<\/span>num: <\/span>8<\/span>)<\/span>\r\n      object<\/span>.<\/span>movies<\/span>.<\/span>limit<\/span>(<\/span>num<\/span>)<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
module<\/span> Types<\/span>\r\n  class<\/span> MovieType<\/span> <<\/span> Types<\/span>::<\/span>BaseObject<\/span>\r\n    field<\/span> :id<\/span>,<\/span> ID<\/span>,<\/span> null: <\/span>false<\/span>\r\n    field<\/span> :url<\/span>,<\/span> String<\/span>,<\/span> null: <\/span>false<\/span>\r\n    field<\/span> :key<\/span>,<\/span> String<\/span>,<\/span> null: <\/span>false<\/span>\r\n    field<\/span> :status<\/span>,<\/span> String<\/span>,<\/span> null: <\/span>false<\/span>\r\n    field<\/span> :title<\/span>,<\/span> String<\/span>,<\/span> null: <\/span>false<\/span>\r\n    field<\/span> :description<\/span>,<\/span> String<\/span>,<\/span> null: <\/span>false<\/span>\r\n    field<\/span> :published_at<\/span>,<\/span> String<\/span>,<\/span> null: <\/span>false<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
module<\/span> Types<\/span>\r\n  class<\/span> QueryType<\/span> <<\/span> Types<\/span>::<\/span>BaseObject<\/span>\r\n    field<\/span> :category<\/span>,<\/span> CategoryType<\/span>,<\/span> null: <\/span>true<\/span> do<\/span>\r\n      argument<\/span> :id<\/span>,<\/span> ID<\/span>,<\/span> required: <\/span>true<\/span>\r\n    end<\/span>\r\n\r\n    def<\/span> category<\/span>(<\/span>id<\/span>:)<\/span>\r\n      Category<\/span>.<\/span>find<\/span>(<\/span>id<\/span>)<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\"image.png\"<\/div>\n
\u6211\u5feb\u901f\u5730\u51c6\u5907\u4e86\u670d\u52a1\u5668\u7aef\u7684\u5de5\u4f5c\u3002\u867d\u7136\u8fd9\u6b21\u6211\u4f7f\u7528\u4e86Rails\u8fdb\u884c\u5f00\u53d1\uff0c\u4f46\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u559c\u597d\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u6765\u8fdb\u884c\u5b9e\u73b0\u3002<\/p>\n
Android\u65b9\u9762<\/h1>\n
\u5f53\u5728Android\u5e94\u7528\u4e2d\u8c03\u7528API\u65f6\uff0c\u4ee5\u524dRESTful API\u901a\u5e38\u4f7f\u7528\u5e93\u5982Retrofit2\u3002GraphQL\u867d\u7136\u5728\u83b7\u53d6\u4fe1\u606f\u65f6\u4e5f\u4f7f\u7528POST\u65b9\u6cd5\uff0c\u4f46\u6700\u521d\u6211\u8ba4\u4e3a\u53ef\u4ee5\u901a\u8fc7Retrofit2\u5b9e\u73b0POST\u3002\u7136\u800c\uff0c\u5728GraphQL\u4e2d\uff0c\u8bb8\u591a\u4eba\u4f7f\u7528\u540d\u4e3aapollo\u7684\u5e93\u3002\u8fd9\u6b21\u6211\u4e5f\u4f7f\u7528\u4e86apollo\u6765\u5b9e\u73b0GraphQL\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u3002<\/p>\n
\u5173\u4e8e\u4f7f\u7528\u65b9\u9762\uff0cApollo\u56e2\u961f\u5df2\u7ecf\u4e3aAndroid\u51c6\u5907\u4e86\u6587\u6863\uff08\u5728\u8fd9\u91cc\uff09\u3002\u4e0d\u8fc7\uff0c\u6587\u6863\u6709\u4e9b\u4fe1\u606f\u4e0d\u592a\u660e\u786e\uff0c\u6211\u4e5f\u9047\u5230\u4e86\u4e9b\u56f0\u96be\uff0c\u6240\u4ee5\u6211\u60f3\u5728\u8fd9\u91cc\u5199\u4e0b\u6211\u81ea\u5df1\u7684\u5907\u5fd8\u5f55\uff0c\u4ee5\u5907\u5fd8\u8bb0\u3002<\/p>\n
\u57fa\u672c\u4e0a\uff0c\u6211\u4f1a\u6839\u636e\u8fd9\u91cc\u7684\u5165\u95e8\u6307\u5357\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n
\u8bf7\u5728build.gradle\u6587\u4ef6\u4e2d\u6dfb\u52a0\u5fc5\u8981\u7684\u63d2\u4ef6\u3002<\/h2>\n
\u9996\u5148\uff0c\u9700\u8981\u5c06\u5fc5\u8981\u7684\u63d2\u4ef6\u6dfb\u52a0\u5230build.gradle\u6587\u4ef6\u4e2d\u3002\u5728\u9879\u76ee\u76ee\u5f55\u7684\u9876\u5c42build.gradle\u6587\u4ef6\u7684dependencies\u5757\u4e2d\u6dfb\u52a0\u4ee5\u4e0bclasspath\u3002
\n\u5728\u67e5\u770bMaven\u65f6\uff0c\u6709apollo-gradle-plugin\u548cgradle-plugin\u4e24\u4e2a\u9009\u9879\uff0c\u4f46\u6211\u4eec\u5c06\u4f7f\u7528apollo-gradle-plugin\u3002<\/p>\n
  buildscript {\r\n      dependencies {\r\n          \/\/ \u7701\u7565\r\n+         classpath 'com.apollographql.apollo:apollo-gradle-plugin:0.5.0'\r\n<\/span>      }\r\n  }\r\n<\/code><\/pre>\n
\u53ea\u9700\u4e00\u79cd\u9009\u9879\uff1a\u5728app\u76ee\u5f55\u4e0b\u7684build.gradle\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4e24\u884c\u3002\u5173\u4e8eapply plugin: ‘com.apollographql.android’\uff0c\u9700\u8981\u5728Android Plugin\u4e4b\u540e\u7684\u4f4d\u7f6e\u5199\u5165\uff0c\u6240\u4ee5\u60a8\u53ef\u4ee5\u5c06\u5176\u6dfb\u52a0\u5230apply plugin\u7684\u6700\u5e95\u90e8\u5373\u53ef\u3002<\/p>\n
  apply plugin: 'com.android.application'\r\n\u3000\u3000\u3000\u3000apply<\/span> plugin: 'kotlin-android'\r\n\u3000\u3000\u3000\u3000apply<\/span> plugin: 'kotlin-android-extensions'\r\n+ apply plugin: 'com.apollographql.android'\r\n<\/span>\r\n  \/\/ \u7701\u7565\r\n\r\n  dependencies {\r\n    \/\/ \u7701\u7565\r\n+   implementation 'com.apollographql.apollo:apollo-runtime:0.5.0'\r\n<\/span>  } \r\n<\/code><\/pre>\n
\u7248\u672c\u5df2\u5168\u90e8\u66f4\u65b0\u4e3a0.5.0\u3002\u5982\u679c\u60a8\u67e5\u770b\u4ee5\u524d\u7684\u6587\u7ae0\uff0c\u4f1a\u53d1\u73b0\u6709\u4e9b\u4f7f\u7528\u4e860.4.1\u7b49\u7248\u672c\uff0c\u4f46\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002\u603b\u4f53\u800c\u8a00\uff0c\u4f7f\u7528\u6700\u65b0\u7248\u672c\u5373\u53ef\u3002
\n\u5728\u5b8c\u6210\u5bf9build.gradle\u7684\u4fee\u6539\u540e\uff0c\u8bf7\u540c\u6b65\u5e76\u5e94\u7528\u53d8\u66f4\u3002<\/p>\n
\u653e\u7f6eschema.json<\/h2>\n
\u60a8\u9700\u8981\u5c06\u5b9a\u4e49\u4e86\u670d\u52a1\u5668GraphQL\u7ec8\u70b9\u7684\u67b6\u6784\u6587\u4ef6\u653e\u7f6e\u5728Android\u9879\u76ee\u4e2d\u3002\u6839\u636e\u8fd9\u4e2a\u6587\u4ef6\uff0cApollo\u5c06\u4f1a\u68c0\u67e5\u5f00\u53d1\u8005\u7f16\u5199\u7684GraphQL\u67e5\u8be2\u662f\u5426\u6709\u6548\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aJava\u6587\u4ef6<\/p>\n
\u8981\u83b7\u5f97schema.json\uff0c\u9700\u8981\u4f7f\u7528apollo-codegen\u547d\u4ee4\u3002\u5982\u679c\u60a8\u5c1a\u672a\u5b89\u88c5apollo-codegen\u547d\u4ee4\uff0c<\/p>\n
yarn global add apollo-codegen\r\n<\/code><\/pre>\n
\u8bf7\u5b89\u88c5yarn\uff0c\u5982\u679c\u60a8\u6ca1\u6709\u5b89\u88c5yarn\u53ef\u4ee5\u901a\u8fc7brew install yarn\u8fdb\u884c\u5b89\u88c5\u3002\u6211\u4eec\u5c06\u68c0\u67e5apollo-codegen\u662f\u5426\u5df2\u6b63\u786e\u5b89\u88c5\u5e76\u786e\u8ba4\u5176\u7248\u672c\u3002<\/p>\n
$ <\/span>apollo-codegen --version<\/span>\r\n0.20.2\r\n<\/code><\/pre>\n
\u63a5\u4e0b\u6765\u4e0b\u8f7dschema.json\u6587\u4ef6\u3002<\/p>\n
apollo-codegen download-schema https:\/\/hogehoge.com\/graphql --output<\/span> schema.json\r\n<\/code><\/pre>\n
schema.json\u5728\u6211\u7684\u60c5\u51b5\u4e0b\uff0c
\n\u88ab\u653e\u7f6e\u5728app\/src\/main\/graphql\/com\/hogehoge\/schema.json\uff0c
\n\u4f46\u662f\u9700\u8981\u653e\u7f6e\u5728\u4e0e.graphql\u6587\u4ef6\u76f8\u540c\u7684\u76ee\u5f55\u4e0b\u3002<\/p>\n
\u521b\u5efa\u4e00\u4e2a.graphql\u6587\u4ef6<\/h2>\n
\u8fd9\u6b21\u6211\u4eec\u4ee5\u4ee5\u4e0b\u7684\u65b9\u5f0f\u8fdb\u884c\u4e86\u5b9e\u65bd\u3002<\/p>\n
query<\/span> Category<\/span>(<\/span>$id<\/span>:<\/span> ID<\/span>!,<\/span> $num<\/span>:<\/span> Int<\/span>)<\/span> {<\/span>\r\n  category<\/span>(<\/span>id<\/span>:<\/span> $id<\/span>)<\/span> {<\/span>\r\n    id<\/span>\r\n    name<\/span>\r\n    movies<\/span>(<\/span>num<\/span>:<\/span> $num<\/span>)<\/span> {<\/span>\r\n      id<\/span>\r\n      title<\/span>\r\n      publishedAt<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\u8fd9\u91cc\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u5173\u4e8emovies\u90e8\u5206\u7684\u5b9e\u73b0\u662f\u901a\u8fc7ResponseField.forList\u8fd9\u4e2a\u65b9\u6cd5\u5b9e\u73b0\u7684\uff0c\u4f46\u5728v0.4.1\u4e2d\u5c1a\u672a\u5b9e\u65bd\uff0c\u8fd9\u79cd\u5f62\u5f0f\u53ef\u80fd\u5728\u90a3\u4e2a\u65f6\u5019\u5e76\u4e0d\u8d77\u4f5c\u7528\u3002\u4ecev0.4.2\u5f00\u59cb\u4f3c\u4e4e\u6709\u4e86\u8fd9\u4e2a\u9009\u9879\u3002<\/p>\n
\u5728\u5229\u7528\u65b9\u5b9e\u65bd\u4e2d\u3002<\/h2>\n
\u5f53\u51c6\u5907\u4f7f\u7528okHttpClient\u548capolloClient\u65f6\uff0c\u53ef\u4ee5\u6309\u7167\uff08\u53c2\u8003\uff09\u4e2d\u7684\u6307\u793a\u8fdb\u884c\u64cd\u4f5c\u3002
\napolloClient.query\u7684\u53c2\u6570\u5e94\u662f\u4e4b\u524d\u521b\u5efa\u7684.graphql\u6587\u4ef6\u3002\u5982\u679c\u5c1a\u672a\u8fdb\u884c\u6784\u5efa\uff0c\u5219\u53ef\u80fd\u4f1a\u51fa\u73b0\u9519\u8bef\uff0c\u56e0\u4e3aCategoryQuery\u7c7b\u5c1a\u672a\u751f\u6210\u3002\u56e0\u6b64\u5efa\u8bae\u5728\u6dfb\u52a0.graphql\u6587\u4ef6\u65f6\u5c1d\u8bd5\u8fdb\u884c\u6784\u5efa\u3002
\n\u5728.graphql\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u53c2\u6570\u90e8\u5206\u4f3c\u4e4e\u4f1a\u6210\u4e3a\u65b9\u6cd5\u7684\u4e00\u90e8\u5206\u3002<\/p>\n
CategoryQuery<\/span>.<\/span>builder<\/span>()<\/span>\r\n             .<\/span>id<\/span>(<\/span>2<\/span>)<\/span> \/\/ \u30ab\u30c6\u30b4\u30ea\u30fcID\u306e\u5947\u6570\u3002$id<\/span>\r\n             .<\/span>num<\/span>(<\/span>6<\/span>)<\/span> \/\/ \u52d5\u753b\u306e\u6570\u306e\u5f15\u6570\u3002$num<\/span>\r\n             .<\/span>build<\/span>()<\/span>\r\n<\/code><\/pre>\n
    val<\/span> okHttpClient<\/span> =<\/span> OkHttpClient<\/span>.<\/span>Builder<\/span>().<\/span>build<\/span>()<\/span>\r\n    val<\/span> apolloClient<\/span> =<\/span> ApolloClient<\/span>.<\/span>builder<\/span>()<\/span>\r\n        .<\/span>serverUrl<\/span>(<\/span>\"https:\/\/hogehoge.com\/graphql\"<\/span>)<\/span> \/\/ \u30b5\u30fc\u30d0\u306e\u30db\u30b9\u30c8\u306e\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u7acb\u3066\u3066\u3044\u308b\u5834\u5408\u300110.0.2.2\u306b\u306a\u308b\u3089\u3057\u3044\u306e\u3067\u6ce8\u610f\u3002rails s\u3067\u8d77\u52d5\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001http:\/\/10.0.2.2:3000\u3068\u306a\u308b\u300210.0.2.2\u3067\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u5834\u5408\u306f\u300110.0.3.2\u306a\u3069\u3082\u8a66\u3057\u3066\u307f\u308b\u3002<\/span>\r\n        .<\/span>okHttpClient<\/span>(<\/span>okHttpClient<\/span>)<\/span>\r\n        .<\/span>build<\/span>()<\/span>\r\n\r\n    \/\/ API\u3067\u53d6\u5f97\u3057\u305fCategory\u3092\u683c\u7d0d\u3059\u308bList\u3092\u7528\u610f<\/span>\r\n    \/\/ Category\u306f\u7c21\u5358\u306adata class\u3092\u5225\u3067\u5b9a\u7fa9\u3002 => data class Category(val name: String)<\/span>\r\n    val<\/span> categories<\/span> =<\/span> mutableListOf<\/span><<\/span>Category<\/span>>()<\/span>\r\n    \/\/ API\u3067\u53d6\u5f97\u5f8c\u3001adapter\u306b\u66f4\u65b0\u3092\u901a\u77e5\u3059\u308b\u305f\u3081\u3002API\u30b3\u30fc\u30eb\u306f\u5225\u30b9\u30ec\u30c3\u30c9\u3002<\/span>\r\n    val<\/span> handler<\/span> =<\/span> Handler<\/span>()<\/span>\r\n\r\n    apolloClient<\/span>.<\/span>query<\/span>(<\/span>\r\n        CategoryQuery<\/span>.<\/span>builder<\/span>().<\/span>id<\/span>(<\/span>\"2\"<\/span>).<\/span>num<\/span>(<\/span>6<\/span>).<\/span>build<\/span>()<\/span>\r\n    ).<\/span>enqueue<\/span>(<\/span>\r\n        \/\/ ApolloCall.Callback\u3092\u5b9f\u88c5\u3057\u305f\u7121\u540d\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3002\u5fc5\u8981\u306a\u30e1\u30bd\u30c3\u30c9\u3092override\u3059\u308b\u3002<\/span>\r\n        object<\/span> : <\/span>ApolloCall<\/span>.<\/span>Callback<\/span><<\/span>CategoryQuery<\/span>.<\/span>Data<\/span>>()<\/span> {<\/span>\r\n          override<\/span> fun<\/span> onResponse<\/span>(<\/span>response<\/span>:<\/span> Response<\/span><<\/span>CategoryQuery<\/span>.<\/span>Data<\/span>>)<\/span> {<\/span>\r\n            response<\/span>.<\/span>data<\/span>()<\/span>?.<\/span>category<\/span>()<\/span>?.<\/span>forEach<\/span> {<\/span>\r\n              categories<\/span>.<\/span>add<\/span>(<\/span>Category<\/span>(<\/span>it<\/span>.<\/span>name<\/span>()))<\/span> \/\/ \u30b5\u30f3\u30d7\u30eb\u306e\u305f\u3081\u3001movies\u306f\u7121\u8996\u3002<\/span>\r\n\r\n              handler<\/span>.<\/span>post<\/span> {<\/span>\r\n                \/\/ adapter\u306fRecyclerView\u7528\u306eadapter<\/span>\r\n                adapter<\/span>.<\/span>categories<\/span> =<\/span> categories<\/span>\r\n                adapter<\/span>.<\/span>notifyDataSetChanged<\/span>()<\/span>\r\n              }<\/span>\r\n            }<\/span>\r\n          }<\/span>\r\n\r\n          override<\/span> fun<\/span> onFailure<\/span>(<\/span>e<\/span>:<\/span> ApolloException<\/span>)<\/span> {<\/span>\r\n            Log<\/span>.<\/span>e<\/span>(<\/span>\"ApolloCall Failure\"<\/span>,<\/span> e<\/span>.<\/span>message<\/span>,<\/span> e<\/span>)<\/span>\r\n          }<\/span>\r\n        }<\/span>\r\n    )<\/span>\r\n<\/code><\/pre>\n
\u6211\u8ba4\u4e3a\uff0c\u5982\u679c\u4f7f\u7528RxAndroid\u7b49API\uff0c\u53ef\u80fd\u4f1a\u66f4\u52a0\u7b80\u6d01\u3002<\/p>\n
\u8bf7\u53c2\u8003<\/h1>\n
    \n
  • \n
      Apollo GraphQL Client for Android<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          APOLLO ANDROID GUIDE<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \n
          • \n
              GitHub GraphQL API v4 \u3092 Android \u3067\u904a\u3093\u3067\u307f\u308b<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                Apollo-android\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u3063\u3066\u307f\u308b<\/ul>\n
                \n
                \u867d\u7136\u636e\u8bf4\u53ef\u5728apollo-cli\u4e0a\u6267\u884cschema:download\uff0c\u4f46\u5728\u4f7f\u7528Android Studio\u8fdb\u884c\u7f16\u8bd1\u65f6\uff0c\u51fa\u73b0\u4e86”GraphQL schema file should contain a valid GraphQL introspection query result”\u7684\u9519\u8bef\uff0c\u65e0\u6cd5\u6210\u529f\u8fdb\u884c\u3002\u23ce<\/p>\n
                \u4f3c\u4e4e\u4e5f\u53ef\u4ee5\u660e\u786e\u6307\u5b9aschema.json\u6587\u4ef6\u7684\u8def\u5f84\u3002\uff08\u53c2\u8003\uff09\u23ce<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
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