{"id":749,"date":"2020-05-03T00:16:07","date_gmt":"2020-05-02T15:16:07","guid":{"rendered":"https:\/\/www.typea.info\/blog\/?p=749"},"modified":"2020-05-03T00:16:07","modified_gmt":"2020-05-02T15:16:07","slug":"flutter-google-sign-in-android-ios","status":"publish","type":"post","link":"https:\/\/www.typea.info\/blog\/index.php\/2020\/05\/03\/flutter-google-sign-in-android-ios\/","title":{"rendered":"Flutter : Google Sign In \u3092\u8a66\u3059\u3002Android\u3068iPhone\u3067\u3002"},"content":{"rendered":"<p><\/p>\n<p><a href=\"https:\/\/www.amazon.co.jp\/gp\/product\/4822257908\/ref=as_li_ss_il?ie=UTF8&amp;psc=1&amp;linkCode=li2&amp;tag=typea09-22&amp;linkId=2a590ac49866056c1e52e3b0847a5cd6&amp;language=ja_JP\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"\/\/ws-fe.amazon-adsystem.com\/widgets\/q?_encoding=UTF8&amp;ASIN=4822257908&amp;Format=_SL160_&amp;ID=AsinImage&amp;MarketPlace=JP&amp;ServiceVersion=20070822&amp;WS=1&amp;tag=typea09-22&amp;language=ja_JP\" border=\"0\"><\/a><img loading=\"lazy\" decoding=\"async\" width=\"1\" height=\"1\" style=\"margin: 0px !important; border: currentcolor !important; border-image: none !important !important;\" alt=\"\" src=\"https:\/\/ir-jp.amazon-adsystem.com\/e\/ir?t=typea09-22&amp;language=ja_JP&amp;l=li2&amp;o=9&amp;a=4822257908\" border=\"0\"><\/p>\n<p><\/p>\n<p><a href=\"https:\/\/www.typea.info\/blog\/index.php\/category\/flutter\/\">Flutter + Firebase \u3067\u30a2\u30d7\u30ea\u958b\u767a\u306e\u90e8\u54c1\u96c6\u3081\u3002<\/a>Google\u30b5\u30a4\u30f3\u30a4\u30f3\u3092\u8a66\u3059\u3002<\/p>\n<p><\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6O9viG8Mr4s\" frameborder=\"0\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\"><\/iframe><\/p>\n<p><\/p>\n<h3>\u6e96\u5099<\/h3>\n<p><a href=\"https:\/\/pub.dev\/packages\/google_sign_in\">https:\/\/pub.dev\/packages\/google_sign_in<\/a><\/p>\n<ol>\n<li><a href=\"https:\/\/developers.google.com\/mobile\/add?platform=android\">Android<\/a>,<a href=\"https:\/\/developers.google.com\/mobile\/add?platform=ios\">iPhone<\/a> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u3001Firebase\u306b\u767b\u9332<\/li>\n<li><a href=\"https:\/\/console.developers.google.com\/apis\/dashboard\">\u9023\u7d61\u5148\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306f\u3001Google People API \u3092\u6709\u52b9\u5316<\/a><\/li>\n<li>iOS<\/li>\n<ol>\n<li>GoogleService-Info.plist \u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/li>\n<li>KEY=CFBundleURLSchemes \u306e array\/string \u306e\u5185\u5bb9\u3092\u3001\u4e0a\u8a18\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f <\/li>\n<p>KEY=REVERSED_CLIENT_ID \u306e\u5024\u306b\u7f6e\u304d\u63db\u3048<\/ol>\n<\/ol>\n<p><\/p>\n<h3>pubspec.yaml<\/h3>\n<ul>\n<li>\u4ee5\u4e0b\u3092\u8ffd\u8a18<\/li>\n<\/ul>\n<p><pre class=\"prettyprint\">dependencies:\n    :\n  google_sign_in: 4.4.4\n<\/pre>\n<p><\/p>\n<h3>lib\/main.dart<\/h3>\n<ul>\n<li>\u30e1\u30a4\u30f3\u30e1\u30cb\u30e5\u30fc\u306b\u3001GoogleSignInWidget\u3078\u306e\u9077\u79fb\u30dc\u30bf\u30f3\u3092\u914d\u7f6e<\/li>\n<\/ul>\n<p><pre class=\"prettyprint\">import 'dart:io';\nimport 'package:firebase_auth\/firebase_auth.dart';\nimport 'package:firebase_ml_vision\/firebase_ml_vision.dart';\nimport 'package:flutter\/cupertino.dart';\nimport 'package:flutter\/material.dart';\nimport 'package:cloud_firestore\/cloud_firestore.dart';\nimport 'package:image_picker\/image_picker.dart';\nimport 'package:image_cropper\/image_cropper.dart';\n\nimport '.\/google_sign_in.dart';\nimport '.\/second.dart';\n\nvoid main() =&gt; runApp(MyApp());\n\nclass MyApp extends StatelessWidget {\n  final message = \"Initial Message.\";\n  @override\n  Widget build(BuildContext context) {\n    return new MaterialApp(\n      title: 'Flutter Sample',\n      home: MyHomePage(message:this.message),\n    );\n  }\n}\n\nclass MyHomePageState extends State<myhomepage>{\n  @override\n  Widget build(BuildContext context) {\n    return Scaffold(\n      appBar: AppBar(\n        title: Text(widget.message)\n      ),\n      body: Column(\n        children: <widget>[\n          Container(\n            child: RaisedButton(\n              child: Text(\"Google Signin\"),\n              onPressed:  () =&gt; _pushPage(context, GoogleSignInWidget()),\n            ),\n          ),\n          Container(\n            child: RaisedButton(\n              child: Text(\"Firestore, Cloud Vision\"),\n              onPressed:  () =&gt; _pushPage(context, MyPage()),\n            ),\n          )\n        ],\n      )\n    );\n  }\n\n  void _pushPage(BuildContext context, Widget page) {\n    Navigator.of(context).push(\n      MaterialPageRoute<void>(builder: (_) =&gt; page)\n    );\n  }\n}\n\nclass MyHomePage extends StatefulWidget {\n  final String message;\n  MyHomePage({this.message}):super() {}\n  @override\n  State<statefulwidget> createState() =&gt; new MyHomePageState();\n}<\/statefulwidget><\/void><\/widget><\/myhomepage><\/pre>\n<p><\/p>\n<h3>lib\/google_sign_in.dart<\/h3>\n<ul>\n<li><a href=\"https:\/\/pub.dev\/packages\/google_sign_in\">https:\/\/pub.dev\/packages\/google_sign_in<\/a> \u3092\u53c2\u8003\u306b\u3057\u3066\u30b5\u30a4\u30f3\u30a4\u30f3<\/li>\n<li>\u9023\u7d61\u5148\u3092\u53d6\u5f97\u3059\u308b\u6a29\u9650\u3092\u6301\u305f\u305b\u3001\u53d6\u5f97\u3057\u305fJSON\u3092\u753b\u9762\u306b\u8868\u793a\u3055\u305b\u3068\u304f<\/li>\n<\/ul>\n<p><pre class=\"prettyprint\">import 'package:flutter\/material.dart';\nimport 'package:google_sign_in\/google_sign_in.dart';\nimport \"package:http\/http.dart\" as http;\nimport 'dart:convert' show json;\n\nGoogleSignIn _googleSignIn = GoogleSignIn(\n  scopes: &lt;String&gt;[\n    'email',\n    'https:\/\/www.googleapis.com\/auth\/contacts.readonly',\n  ]\n);\n\nclass GoogleSignInWidget extends StatefulWidget {\n  @override\n  State&lt;StatefulWidget&gt; createState() =&gt; GoogleSignInWidgetState();\n}\n\nclass GoogleSignInWidgetState extends State&lt;GoogleSignInWidget&gt;   {\n  GoogleSignInAccount _currentUser;\n  String _contactText;\n\n  @override\n  void initState() {\n    super.initState();\n    _googleSignIn.onCurrentUserChanged.listen(\n        (GoogleSignInAccount account) {\n          setState(() {\n            _currentUser = account;\n          });\n          if (_currentUser != null) {\n            _handleGetContact();\n          }\n        }\n    );\n    _googleSignIn.signInSilently();\n  }\n\n  Future&lt;void&gt; _handleGetContact() async {\n    setState(() {\n      _contactText = \"Loading contact info...\";\n    });\n    final http.Response response = await http.get(\n      'https:\/\/people.googleapis.com\/v1\/people\/me\/connections'\n          '?requestMask.includeField=person.names',\n      headers: await _currentUser.authHeaders,\n    );\n    final Map&lt;String, dynamic&gt; data = json.decode(response.body);\n    print(data);\n  }\n\n  Future&lt;void&gt; _handleSignIn() async {\n    try {\n      await _googleSignIn.signIn();\n    } catch(error) {\n      print(error);\n    }\n  }\n\n  Future&lt;void&gt; _handleSignOut() =&gt; _googleSignIn.disconnect();\n\n  Widget _buildBody() {\n    if (_currentUser != null) {\n      return Column(\n        mainAxisAlignment: MainAxisAlignment.spaceAround,\n        children: &lt;Widget&gt;[\n          ListTile(\n            leading: GoogleUserCircleAvatar(\n              identity: _currentUser,\n            ),\n            title: Text(_currentUser.displayName ?? ''),\n            subtitle: Text(_currentUser.email ?? ''),\n          ),\n          const Text('\u30b5\u30a4\u30f3\u30a4\u30f3\u6210\u529f'),\n          Text(_contactText ?? ''),\n          RaisedButton(\n            child: const Text('SIGN OUT'),\n            onPressed: _handleSignOut,\n          ),\n          RaisedButton(\n            child: const Text('REFRESH'),\n            onPressed: _handleGetContact,\n          ),\n        ],\n      );\n    } else {\n      return Column(\n        mainAxisAlignment: MainAxisAlignment.spaceAround,\n        children: &lt;Widget&gt;[\n          const Text('\u73fe\u5728\u30b5\u30a4\u30f3\u30a4\u30f3\u3057\u3066\u3044\u307e\u305b\u3093\u3002'),\n          RaisedButton(\n            child: const Text(\"Sign In\"),\n            onPressed: _handleSignIn,\n          ),\n        ],\n      );\n    }\n  }\n\n  @override\n  Widget build(BuildContext context) {\n    return Scaffold(\n      appBar: AppBar(\n        title: Text(\"Google Sign In\"),\n      ),\n      body: ConstrainedBox(\n        constraints: const BoxConstraints.expand(),\n        child: _buildBody(),\n      ),\n    );\n  }\n}\n<\/pre>\n<p><\/p>\n<h3>\u30a8\u30e9\u30fc\u5bfe\u5fdc<\/h3>\n<p><pre class=\"prettyprint\">PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null)<\/pre>\n<p><\/p>\n<ul>\n<li><a href=\"https:\/\/developers.google.com\/android\/guides\/client-auth\">SHA1\u30d5\u30a3\u30f3\u30ac\u30fc\u30d7\u30ea\u30f3\u30c8\u306e\u8a2d\u5b9a<\/a><\/li>\n<li><a href=\"https:\/\/console.developers.google.com\/apis\/library\/people.googleapis.com?project=typea-gcp-api-trial&amp;pli=1\">https:\/\/console.developers.google.com\/apis\/library\/people.googleapis.com?project=typea-gcp-api-trial&amp;pli=1<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Flutter + Firebase \u3067\u30a2\u30d7\u30ea\u958b\u767a\u306e\u90e8\u54c1\u96c6\u3081\u3002Google\u30b5\u30a4\u30f3\u30a4\u30f3\u3092\u8a66\u3059\u3002 \u6e96\u5099 https:\/\/pub.dev\/packages\/google_sign_in Android,iPhone \u30a2\u30d7\u30ea\u30b1\u30fc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[104,111],"tags":[],"class_list":["post-749","post","type-post","status-publish","format-standard","hentry","category-firebase","category-flutter"],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts\/749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=749"}],"version-history":[{"count":1,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts\/749\/revisions"}],"predecessor-version":[{"id":750,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts\/749\/revisions\/750"}],"wp:attachment":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}