Facebook SDK（登錄通過Facebook）

我遵循這個指令如何實現Facebook登錄Link---
然後完成所有必要的事情後，我得到了這個錯誤。Facebook SDK（登錄通過Facebook）

10-19 23:52:40.810 29563-29563/com.thesis.juandirection.juandirectionfinale D/dalvikvm: Late-enabling CheckJNI 
10-19 23:52:40.918 29563-29563/com.thesis.juandirection.juandirectionfinale W/dalvikvm: Exception Lcom/facebook/FacebookSdkNotInitializedException; thrown while initializing Lcom/facebook/login/widget/LoginButton; 
10-19 23:52:40.918 29563-29563/com.thesis.juandirection.juandirectionfinale W/dalvikvm: Class init failed in Constructor.constructNative (Lcom/facebook/login/widget/LoginButton;) 
10-19 23:52:40.918 29563-29563/com.thesis.juandirection.juandirectionfinale D/AndroidRuntime: Shutting down VM 
10-19 23:52:40.918 29563-29563/com.thesis.juandirection.juandirectionfinale W/dalvikvm: threadid=1: thread exiting with uncaught exception (group=0xa4d0bb20) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime: FATAL EXCEPTION: main 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime: Process: com.thesis.juandirection.juandirectionfinale, PID: 29563 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime: java.lang.ExceptionInInitializerError 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at java.lang.reflect.Constructor.constructNative(Native Method) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at java.lang.reflect.Constructor.newInstance(Constructor.java:423) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.createView(LayoutInflater.java:594) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:696) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.inflate(LayoutInflater.java:492) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.inflate(LayoutInflater.java:353) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:249) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:106) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.thesis.juandirection.juandirectionfinale.MainActivity.onCreate(MainActivity.java:31) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.Activity.performCreate(Activity.java:5231) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2148) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread.access$800(ActivityThread.java:135) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.os.Handler.dispatchMessage(Handler.java:102) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.os.Looper.loop(Looper.java:136) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread.main(ActivityThread.java:5001) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at java.lang.reflect.Method.invokeNative(Native Method) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at java.lang.reflect.Method.invoke(Method.java:515) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at dalvik.system.NativeStart.main(Native Method) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime: Caused by: null 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.facebook.internal.Validate.sdkInitialized(Validate.java:99) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.facebook.FacebookSdk.getCallbackRequestCodeOffset(FacebookSdk.java:735) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.facebook.internal.CallbackManagerImpl$RequestCodeOffset.toRequestCode(CallbackManagerImpl.java:109) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.facebook.login.widget.LoginButton.<clinit>(LoginButton.java:58) 
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at java.lang.reflect.Constructor.constructNative(Native Method)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at java.lang.reflect.Constructor.newInstance(Constructor.java:423)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.createView(LayoutInflater.java:594)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:696)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.inflate(LayoutInflater.java:492)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.inflate(LayoutInflater.java:397)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.view.LayoutInflater.inflate(LayoutInflater.java:353)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:249)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:106)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.thesis.juandirection.juandirectionfinale.MainActivity.onCreate(MainActivity.java:31)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.Activity.performCreate(Activity.java:5231)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2148)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread.access$800(ActivityThread.java:135)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.os.Handler.dispatchMessage(Handler.java:102)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.os.Looper.loop(Looper.java:136)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at android.app.ActivityThread.main(ActivityThread.java:5001)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at java.lang.reflect.Method.invokeNative(Native Method)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at java.lang.reflect.Method.invoke(Method.java:515)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)  
10-19 23:52:40.922 29563-29563/com.thesis.juandirection.juandirectionfinale E/AndroidRuntime:  at dalvik.system.NativeStart.main(Native Method)

我剛剛複製了本教程的XML部分，這裏是我的Android Manifest。

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

    <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" 
      android:label="@string/app_name" 
      android:configChanges= 
       "keyboard|keyboardHidden|screenLayout|screenSize|orientation"> 
      <intent-filter> 
       <action android:name="android.intent.action.MAIN" /> 
       <meta-data android:name="com.facebook.sdk.ApplicationId" 
        android:value="@string/facebook_app_id"/> 
       <category android:name="android.intent.category.LAUNCHER" /> 
      </intent-filter> 
     </activity> 
     <activity 
      android:name=".mapView.MapView" 
      android:label="@string/title_activity_map_view" > 
     </activity> 
     <activity 
      android:name=".searchView.searchView" 
      android:label="@string/title_activity_search_view" > 
      <meta-data 
       android:name="android.support.PARENT_ACTIVITY" 
       android:value=".mapView.MapView" /> 
     </activity> 
    </application> 

</manifest>

這是我的MainActivity。

import android.content.Intent; 
import android.os.Bundle; 
import android.support.v7.app.ActionBarActivity; 
import android.support.v7.widget.Toolbar; 
import android.view.Menu; 
import android.view.MenuItem; 
import android.view.View; 
import android.widget.TextView; 

import com.facebook.CallbackManager; 
import com.facebook.FacebookCallback; 
import com.facebook.FacebookException; 
import com.facebook.FacebookSdk; 
import com.facebook.login.LoginResult; 
import com.facebook.login.widget.LoginButton; 
import com.thesis.juandirection.juandirectionfinale.R; 
import com.thesis.juandirection.juandirectionfinale.mapView.MapView; 

public class MainActivity extends ActionBarActivity { 

    private TextView info; 
    private LoginButton loginButton; 
    private Toolbar toolbar; 
    private CallbackManager callbackManager; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 
     FacebookSdk.sdkInitialize(getApplicationContext()); 
     callbackManager = CallbackManager.Factory.create(); 
     info = (TextView)findViewById(R.id.info); 
     loginButton = (LoginButton)findViewById(R.id.login_button); 
     loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() { 
      @Override 
      public void onSuccess(LoginResult loginResult) { 
       info.setText(
         "User ID: " 
           + loginResult.getAccessToken().getUserId() 
           + "\n" + 
           "Auth Token: " 
           + loginResult.getAccessToken().getToken() 
       ); 
      } 

      @Override 
      public void onCancel() { 
       info.setText("Login attempt canceled."); 
      } 

      @Override 
      public void onError(FacebookException e) { 
       info.setText("Login attempt failed."); 
      } 
     }); 

/* 
     toolbar = (Toolbar) findViewById(R.id.app_bar); 
     setSupportActionBar(toolbar); 

     getSupportActionBar().setDisplayShowHomeEnabled(true)*/ 

    } 

    @Override 
    public boolean onCreateOptionsMenu(Menu menu) { 
     // Inflate the menu; this adds items to the action bar if it is present. 
     getMenuInflater().inflate(R.menu.menu_main, menu); 
     return true; 
    } 

    public void goMaps(View v) { 
     startActivity(new Intent(this, MapView.class)); 
    } 

    @Override 
    public boolean onOptionsItemSelected(MenuItem item) { 
     // Handle action bar item clicks here. The action bar will 
     // automatically handle clicks on the Home/Up button, so long 
     // as you specify a parent activity in AndroidManifest.xml. 
     int id = item.getItemId(); 

     //noinspection SimplifiableIfStatement 

     return super.onOptionsItemSelected(item); 
    } 
}

謝謝你們！編輯：添加Internet的權限不會改變結果。

來源

2015-10-20 Charles Galvez

嘗試初始化SDK之前的setContentView（）方法。

FacebookSdk.sdkInitialize(getApplicationContext()); 
    setContentView(R.layout.activity_main);

希望它能解決您的問題。

來源

2015-10-20 05:01:48 KishuDroid

就是這樣！謝謝！ :) –

您的welcome.Please upvote它也 – KishuDroid

也許你忘了初始化SDK

public class App extends Application { 


    @Override public void onCreate() { 
     super.onCreate(); 
     FacebookSdk.sdkInitialize(getApplicationContext()); 

    } 

}

而添加的name屬性指向App類。

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

希望它可以幫助

來源

2015-10-20 04:18:16 schwertfisch

我在按鈕上有問題，我想。因爲在設計視圖中有一個例外。 –

它是相同的解決方案，但我的解決方案適用於所有應用程序。 – schwertfisch

Facebook SDK（登錄通過Facebook）

回答

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