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Android 应用程序集成Google 登录及二次封装

日期:2017-05-15点击:292
谷歌登录API:  https://developers.google.com/identity/sign-in/android/

1、注册并且登录google网站

       https://accounts.google.com/

2、进入google开发者平台创建应用

     https://developers.google.com/mobile/add?platform=android&cntapi=signin&cntapp=Default%20Demo%20App&cntpkg=com.google.samples.quickstart.signin&cnturl=https:%2F%2Fdevelopers.google.com%2Fidentity%2Fsign-in%2Fandroid%2Fstart%3Fconfigured%3Dtrue&cntlbl=Continue%20with%20Try%20Sign-In

3、在开发者平台填写响应的信息,包括 应用名、包名、签名的SHA-1值

     图1

     

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4、在项目中添加谷歌服务

       4.1、在SDK Manager 里面下载 google service

                

        4.2、在project目录下的build.gradle下添加

                 classpath 'com.google.gms:google-services:2.1.0-alpha4'

              查看最新版本号:https://jcenter.bintray.com/com/google/gms/google-services/

        4.3  在model目录下的build.gradle下添加

               compile 'com.google.android.gms:play-services-auth:8.4.0'

 5、代码实现

         5.1、在布局文件中            

 1 <com.google.android.gms.common.SignInButton  2 android:id="@+id/google_signIn_bt"  3 android:layout_width="wrap_content"  4 android:layout_height="wrap_content" />  5  6 <Button  7 android:id="@+id/google_loginOut_bt"  8 android:layout_width="match_parent"  9 android:layout_height="wrap_content" 10 android:text="google退出登录" 11 android:layout_gravity="center" 12 android:gravity="center" 13 > 14 </Button>

        5.2、java代码

 1 package com.pegasus.map.presentation.ui.activity;  2  3 import android.content.Intent;  4 import android.os.Bundle;  5 import android.view.View;  6 import android.widget.Button;  7  8 import com.google.android.gms.auth.api.Auth;  9 import com.google.android.gms.auth.api.signin.GoogleSignInAccount;  10 import com.google.android.gms.auth.api.signin.GoogleSignInOptions;  11 import com.google.android.gms.auth.api.signin.GoogleSignInResult;  12 import com.google.android.gms.common.ConnectionResult;  13 import com.google.android.gms.common.SignInButton;  14 import com.google.android.gms.common.api.GoogleApiClient;  15 import com.google.android.gms.common.api.ResultCallback;  16 import com.google.android.gms.common.api.Status;  17 import com.pegasus.map.R;  18 import com.pegasus.map.presentation.ui.base.BaseActivity;  19  20 import butterknife.Bind;  21 import butterknife.ButterKnife;  22  23 /**  24  * Created by ${zyj} on 2016/3/24.  25  * 登录  26 */  27  28 public class LoginActivity1 extends BaseActivity implements GoogleApiClient.OnConnectionFailedListener , View.OnClickListener {  29  30 public int RequestCode = 10 ;  31  32  @Bind( R.id.google_signIn_bt )  33 public SignInButton google_signIn_bt ;  34  35  @Bind( R.id.google_loginOut_bt )  36 public Button google_loginOut_bt ;  37  38 public GoogleSignInOptions gso ;  39 public GoogleApiClient mGoogleApiClient ;  40  41  @Override  42 protected void onCreate(Bundle savedInstanceState) {  43 super.onCreate(savedInstanceState);  44  setContentView(R.layout.activity_login);  45 ButterKnife.bind(this);  46  init();  47  }  48  49  50 private void init() {  51 //初始化谷歌登录服务  52 gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)  53 .requestEmail() //获取邮箱  54 .requestId() //获取id 号  55 .requestIdToken("456212545785") //获取token  56  .build();  57  58 // Build a GoogleApiClient with access to GoogleSignIn.API and the options above.  59 mGoogleApiClient = new GoogleApiClient.Builder( this )  60 .enableAutoManage( this , this )  61  .addApi(Auth.GOOGLE_SIGN_IN_API, gso)  62  .build();  63  64 //登录  65  google_signIn_bt.setSize(SignInButton.SIZE_STANDARD);  66  google_signIn_bt.setScopes(gso.getScopeArray());  67 google_signIn_bt.setOnClickListener(this) ;  68  69 //退出  70 google_loginOut_bt.setOnClickListener(this) ;  71  72  }  73  74  @Override  75 protected void onActivityResult(int requestCode, int resultCode, Intent data) {  76 super.onActivityResult(requestCode, resultCode, data);  77  78 //谷歌登录成功回调  79 if ( requestCode == RequestCode ) {  80 GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);  81  handleSignInResult( result ) ;  82  }  83  }  84  85  @Override  86 public void onConnectionFailed(ConnectionResult connectionResult) {  87  88  }  89  90  @Override  91 public void onClick(View v) {  92 switch ( v.getId() ){  93 case R.id.google_signIn_bt : //登录  94  signIn();  95 break;  96  97 case R.id.google_loginOut_bt :  98  signOut();  99 break; 100  } 101  } 102 103 /** 104  * 登录 105 */ 106 private void signIn() { 107 Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient); 108  startActivityForResult(signInIntent, RequestCode ); 109  } 110 111 /** 112  * 退出 113 */ 114 private void signOut() { 115  Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback( 116 new ResultCallback<Status>() { 117  @Override 118 public void onResult(Status status) { 119 // ... 120  } 121  }); 122  } 123 124 private void handleSignInResult(GoogleSignInResult result) { 125 if (result.isSuccess()) { 126 // Signed in successfully, show authenticated UI. 127 GoogleSignInAccount acct = result.getSignInAccount(); 128 //获取用户名 129 String name = acct.getDisplayName() ; 130 String email = acct.getEmail() ; 131 String token = acct.getIdToken() ; 132 String id = acct.getId() ; 133 134 } else { 135 // Signed out, show unauthenticated UI. 136  } 137  } 138 139 }

 

 6、Google SDK 二次封装

         

 1 package com.pegasus.map.presentation.utils;  2  3 import android.content.Intent;  4 import android.support.v4.app.FragmentActivity;  5 import android.util.Log;  6 import android.widget.Toast;  7  8 import com.google.android.gms.auth.api.Auth;  9 import com.google.android.gms.auth.api.signin.GoogleSignInAccount;  10 import com.google.android.gms.auth.api.signin.GoogleSignInOptions;  11 import com.google.android.gms.auth.api.signin.GoogleSignInResult;  12 import com.google.android.gms.common.api.GoogleApiClient;  13 import com.google.android.gms.common.api.ResultCallback;  14 import com.google.android.gms.common.api.Status;  15 import com.pegasus.map.R;  16  17 /**  18  * Created by ${zyj} on 2016/3/30.  19 */  20 public class GoogleLogin {  21  22 public int requestCode = 10 ;  23 private FragmentActivity activity ;  24 public GoogleSignInOptions gso ;  25 public GoogleApiClient mGoogleApiClient ;  26 public GoogleApiClient.OnConnectionFailedListener listener ;  27 private GoogleSignListener googleSignListener ;  28  29 public GoogleLogin(FragmentActivity activity , GoogleApiClient.OnConnectionFailedListener listener ){  30 this.activity = activity ;  31 this.listener = listener ;  32  33 //初始化谷歌登录服务  34 gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)  35  .requestEmail()  36  .requestId()  37  .requestIdToken( activity.getString(R.string.google_server_client_id))  38  .requestProfile()  39  .build();  40  41 // Build a GoogleApiClient with access to GoogleSignIn.API and the options above.  42 mGoogleApiClient = new GoogleApiClient.Builder( activity )  43  .enableAutoManage( activity , listener )  44  .addApi(Auth.GOOGLE_SIGN_IN_API, gso)  45  .build();  46  }  47  48  49 /**  50  * 登录  51 */  52 public void signIn() {  53 Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);  54  activity.startActivityForResult(signInIntent, requestCode);  55  }  56  57 /**  58  * 退出登录  59 */  60 public void signOut() {  61  Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(  62 new ResultCallback<Status>() {  63  @Override  64 public void onResult(Status status) {  65 if ( status.isSuccess() ){  66 if ( googleSignListener != null ){  67  googleSignListener.googleLogoutSuccess();  68  }  69 }else {  70 if ( googleSignListener!= null ){  71  googleSignListener.googleLogoutFail();  72  }  73  }  74  }  75  });  76  }  77  78 public String handleSignInResult(GoogleSignInResult result) {  79 String res = "" ;  80 if (result.isSuccess()) {  81 //登录成功  82 GoogleSignInAccount acct = result.getSignInAccount();  83 res = "登录成功"  84 + "用户名为:" + acct.getDisplayName()  85 + " 邮箱为:" + acct.getEmail()  86 + " token为:" + acct.getIdToken()  87 + " 头像地址为:" + acct.getPhotoUrl()  88 + " Id为:" + acct.getId()  89 + " GrantedScopes为:" + acct.getGrantedScopes() ;  90 Log.e("res", "res:"+res);  91  Toast.makeText( activity, res, Toast.LENGTH_SHORT).show();  92 if ( googleSignListener != null ){  93  googleSignListener.googleLoginSuccess();  94  }  95 } else {  96 // Signed out, show unauthenticated UI.  97 res = "-1" ; //-1代表用户退出登录了 , 可以自定义  98 Toast.makeText( activity , "退出登录", Toast.LENGTH_SHORT).show();  99 if ( googleSignListener != null ){ 100  googleSignListener.googleLoginFail(); 101  } 102  } 103 return res ; 104  } 105 106 107 public void setGoogleSignListener( GoogleSignListener googleSignListener ){ 108 this.googleSignListener = googleSignListener ; 109  } 110 111 public interface GoogleSignListener { 112 void googleLoginSuccess(); 113 void googleLoginFail() ; 114 void googleLogoutSuccess(); 115 void googleLogoutFail() ; 116  } 117 118 }

   注意:当你把 GoogleLogin 类复制到你项目中的时候,activity.getString(R.string.google_server_client_id)  这一句会报错,可以先不用管,在6.5 部分会做说明

 

  6.1  在activity里使用封装类

   activity 实现   GoogleApiClient.OnConnectionFailedListener , GoogleLogin.GoogleSignListener  两个接口

 6.2

 //初始化谷歌登录服务 GoogleLogin googleLogin = new GoogleLogin( this , this ) ; googleLogin.setGoogleSignListener(this);

 6.3

 1  @Override  2 protected void onActivityResult(int requestCode, int resultCode, Intent data) {  3 super.onActivityResult(requestCode, resultCode, data);  4  5 //谷歌登录成功回调  6 if (requestCode == googleLogin.requestCode ) {  7 GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);  8  googleLogin.handleSignInResult( result ) ;  9  } 10 }

6.4

1 //登录 2 googleLogin.signIn(); 3 4 //退出 5 googleLogin.signOut();

 6.5 获取 google_server_client_id , 并在strings 里面配置

       https://console.developers.google.com/projectselector/apis/credentials

       在上面的网站里选择

         

        

         点击选择项目,然后选择你创建的app,进入下面一个界面,得到对应的Client ID

       

      

 

 

补充:(2016/8/9)

    有很多人留言或者发私信说一直登陆失败。然后我就自己写了一个demo,核心代码完全复制博客里面的 GoogleLogin (代码见第六个标题, 6、Google SDK 二次封装) 里面的代码,真的是一行代码都没有改,完完全全复制的。最后实现登陆成功,可见博客里面的代码是没有问题的。我在操作过程中,有几个关键的地方提一下。

1、权限问题

    只需要添加联网权限即可   <uses-permission android:name="android.permission.INTERNET"></uses-permission>

 

 2、签名问题

      在开发者后台创建app的时候,需要添加 SHA-1的值,这个值是从你的签名里面获取的。注意,在你运行demo的时候,如果直接运行是不行的,因为直接运行,android studio 会为你的app使用默认签名,这个签名是系统自带的,这个签名的SHA-1值肯定和你真正的签名文件SHA-1值不一样,所以必然会登录失败。 你需要修改你的app debug 时的签名和 发布时的签名一直就好了。 

 

 

         

      

原文链接:https://yq.aliyun.com/articles/303971
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