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java - 在android中通过fb登录后无法获取emailId

转载 作者:太空宇宙 更新时间:2023-11-03 13:52:02 25 4
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我正在使用最新的 Facebook SDK。我正在 Android Studio 中进行 fb 集成。我已经完成了 fb 文档中的所有步骤。但是我在通过fb成功登录后没有得到电子邮件ID。

这是我的 MainActivity.java

package com.example.myapp;
import android.app.Activity;
import android.content.Intent;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.facebook.AccessToken;
import com.facebook.AccessTokenTracker;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.FacebookSdk;
import com.facebook.GraphRequest;
import com.facebook.GraphResponse;
import com.facebook.Profile;
import com.facebook.ProfileTracker;
import com.facebook.login.LoginResult;
import com.facebook.login.widget.LoginButton;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Arrays;
import java.util.List;
public class MainActivity extends Activity {
private CallbackManager callbackManager;
Button fb;
private AccessTokenTracker accessTokenTracker;
private ProfileTracker profileTracker;
LoginButton loginButton;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FacebookSdk.sdkInitialize(this.getApplicationContext());
setContentView(R.layout.activity_main);
// fb = (Button)findViewById(R.id.button);
callbackManager = CallbackManager.Factory.create();
fb = (Button) findViewById(R.id.fb);
loginButton = (LoginButton) findViewById(R.id.login_button);
List< String > permissionNeeds = Arrays.asList("user_photos", "email",
"user_birthday", "public_profile", "AccessToken");
loginButton.registerCallback(callbackManager,
new FacebookCallback < LoginResult > () {@Override
public void onSuccess(LoginResult loginResult) {
System.out.println("onSuccess");
String accessToken = loginResult.getAccessToken()
.getToken();
Log.i("accessToken", accessToken);
GraphRequest request = GraphRequest.newMeRequest(loginResult.getAccessToken(),new GraphRequest.GraphJSONObjectCallback(){
@Override
public void onCompleted(JSONObject object, GraphResponse response) {
Log.i("LoginActivity",
object.toString());
Toast.makeText(getApplicationContext(), object.toString(),Toast.LENGTH_LONG).show();
try {
String id = object.getString("id").toString();
String name = object.getString("name");
String email = object.getString("email");
String gender = object.getString("gender");
String birthday = object.getString("birthday");
} catch (JSONException e) {
e.printStackTrace();
}
}
});
Bundle parameters = new Bundle();
parameters.putString("fields",
"id,name,email,gender, birthday");
request.setParameters(parameters);
request.executeAsync();
}
@Override
public void onCancel() {
System.out.println("onCancel");
}
@Override
public void onError(FacebookException exception) {
System.out.println("onError");
Log.v("LoginActivity", exception.getCause().toString());
}
});
}
public void onClick(View v) {
if (v == fb) {
loginButton.performClick();
}
}
@Override
protected void onActivityResult(int requestCode, int responseCode,
Intent data) {
super.onActivityResult(requestCode, responseCode, data);
callbackManager.onActivityResult(requestCode, responseCode, data);
}
}

这是我的activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:facebook="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.myapp.MainActivity">

<TextView
android:id="@+id/txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Hello World!" />

<FrameLayout
android:id="@+id/FrameLayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/txt">

<com.facebook.login.widget.LoginButton
android:id="@+id/login_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:visibility="gone" />

<Button
android:id="@+id/fb"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#416BC1"
android:onClick="onClick"
android:text="FaceBook"
android:textColor="#ffffff"
android:textStyle="bold" />
</FrameLayout>

</RelativeLayout>

这是我的 Mainifest

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.myapp">

<uses-permission android:name="android.permission.INTERNET"/>

<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>

<activity android:name="com.facebook.FacebookActivity"
android:configChanges=
"keyboard|keyboardHidden|screenLayout|screenSize|orientation"
android:theme="@android:style/Theme.Translucent.NoTitleBar"
android:label="@string/app_name" />
<!-- ATTENTION: This was auto-generated to add Google Play services to your project for
App Indexing. See https://g.co/AppIndexing/AndroidStudio for more information. -->

<meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/facebook_app_id"/>
</application>

</manifest>

这是我的 build.gradle Module:app

apply plugin: 'com.android.application'

android {
compileSdkVersion 23
buildToolsVersion "23.0.2"

defaultConfig {
applicationId "com.example.myapp"
minSdkVersion 15
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}

repositories {
mavenCentral()
}

dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.1.1'
compile 'com.facebook.android:facebook-android-sdk:4.7.0'

}

当我回应我得到

12-03 21:28:10.452 8572-8572/? I/LoginActivity: {"id":"983511081738745","name":"Subhankar Chakraborty","gender":"male"}

如果对我的应用程序有任何疑问,请告诉我。

最佳答案

试试这个它对我有用希望它也对你有用我在 android studio.and sdk4.7.0 中构建

MainActivity.class

import android.app.Activity;
import android.content.Intent;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.facebook.AccessToken;
import com.facebook.AccessTokenTracker;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.FacebookSdk;
import com.facebook.GraphRequest;
import com.facebook.GraphResponse;
import com.facebook.Profile;
import com.facebook.ProfileTracker;
import com.facebook.login.LoginManager;
import com.facebook.login.LoginResult;
import com.facebook.login.widget.LoginButton;


import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;


import java.net.MalformedURLException;
import java.net.URL;
import java.util.Arrays;
import java.util.List;


public class MainActivity extends Activity {



Button fb;

private CallbackManager callbackManager;
private LoginManager loginManager;
private List<String> permissionNeeds= Arrays.asList("user_photos", "email", "user_birthday", "user_friends");
private String fbUserId;
private String fbUserName;
private String fbEmail;
private String fbGender;
private String fbDob;
TextView txt;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FacebookSdk.sdkInitialize(this);
callbackManager = CallbackManager.Factory.create();
loginManager = LoginManager.getInstance();

setContentView(R.layout.activity_main);
fb = (Button)findViewById(R.id.button);
txt= (TextView)findViewById(R.id.txt);








}
public void onClick(View v) {
/* if (v == fb) {
loginButton.performClick();
}*/
FaceBookLogin();
}


@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
callbackManager.onActivityResult(requestCode, resultCode, data);

}




private void FaceBookLogin() {
loginManager.logInWithReadPermissions(MainActivity.this, permissionNeeds);
loginManager.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
GraphRequest request = GraphRequest.newMeRequest(
loginResult.getAccessToken(),
new GraphRequest.GraphJSONObjectCallback() {
@Override
public void onCompleted(
JSONObject object,
GraphResponse response) {

Log.v("LoginActivity", response.toString());


try {
fbUserId = object.getString("id");
fbUserName = object.getString("name");
fbEmail = object.getString("email");
fbGender = object.getString("gender");
fbDob = object.getString("birthday");

txt.setText(object.toString());

if (fbUserName.contains(" ")) {
String first_name = fbUserName.substring(0, fbUserName.indexOf(' '));
String lastName = fbUserName.substring(fbUserName.indexOf(' ') + 1);


} else {
// first_name = fbUserName;
//lastName = " ";
}
if (fbEmail != null) {
// SendValueToServer(fbUserName, first_name, lastName, fbEmail);
Toast.makeText(getApplicationContext(),"fbEmail"+fbEmail,Toast.LENGTH_SHORT).show();
} else {
// SendValueToServer(fbUserName, first_name, lastName, " ");
Toast.makeText(getApplicationContext(),"fbEmail:"+"blank",Toast.LENGTH_SHORT).show();
}


} catch (JSONException e) {
e.printStackTrace();
}
}
});
Bundle parameters = new Bundle();
parameters.putString("fields", "id,name,email,gender,birthday");
request.setParameters(parameters);
request.executeAsync();
}

@Override
public void onCancel() {

}

@Override
public void onError(FacebookException e) {

}
});


}



}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="test.technoexponent.com.test">

<uses-permission android:name="android.permission.INTERNET"/>

<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">

<activity android:name="test.technoexponent.com.test.MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>

<activity android:name="com.facebook.FacebookActivity"
android:configChanges=
"keyboard|keyboardHidden|screenLayout|screenSize|orientation"
android:theme="@android:style/Theme.Translucent.NoTitleBar"
android:label="@string/app_name" />
<!-- ATTENTION: This was auto-generated to add Google Play services to your project for
App Indexing. See https://g.co/AppIndexing/AndroidStudio for more information. -->

<meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/facebook_app_id"/>
</application>

</manifest>

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:facebook="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.myapp.MainActivity">

<TextView
android:id="@+id/txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Hello World!"
android:textSize="25sp"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true" />

<Button
android:id="@+id/fb"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#416BC1"
android:onClick="onClick"
android:text="FaceBook"
android:textColor="#ffffff"
android:textStyle="bold" />
</RelativeLayout>

设置,渐变

include ':app', ':facebook-android-sdk-4.7.0'

关于java - 在android中通过fb登录后无法获取emailId,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34070772/

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