[본삭금]facebook 안드로이드 연동 실패

http://code.tutsplus.com/tutorials/quick-tip-add-facebook-login-to-your-android-app--cms-23837

위 사이트 예제를 보고 페이스북 연동 버튼 만들기를 해 보았습니다.

틀린점을 찾을수는 없었지만 애뮬 또는 스마트폰으로 실행 시

"---이(가)중지되었습니다"라는 에러 메세지와 함께 자동으로 꺼짐니다.

gibgub에서 받은 예제 샘플들은 다 잘 실행이 되는데 제가 만든것만 실행하면 안되서 어떤점이 문제인지 몰라서 질문을 드립니다.

안드로이드 스튜디오를 사용하고 있습니다.

소스를 전부 붙여 봤습니다.

먼저

activity_main.xml

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 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">
 
<TextView
    android:id="@+id/info"
    android:text="@string/hello_world" android:layout_width="wrap_content"
    android:layout_height="wrap_content" />
 
<com.facebook.login.widget.LoginButton
    android:id="@+id/login_button"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content" />
</RelativeLayout>
 
 
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AndroidManifest.xml

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 <?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.ji.exfacebook" >
 
    <uses-permission android:name="android.permission.INTERNET"/>
 
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
 
        <meta-data android:name="com.facebook.sdk.ApplicationId"
            android:value="488458194669011"/>
 
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <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="ExFacebook" />
 
    </application>
 
</manifest>
 
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MainActiviy.java
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 package com.example.ji.exfacebook;
 
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
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;
 
public class MainActivity extends Activity {
 
    private CallbackManager callbackManager;
    private TextView info;
    private LoginButton loginButton;
 
 
    @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//로그인 시도가 성공시
            public void onSuccess(LoginResult loginResult) {
 
                info.setText(
                        "User ID: "
                                + loginResult.getAccessToken().getUserId()
                                + "\n" +
                                "Auth Token: "
                                + loginResult.getAccessToken().getToken()
                );
            }
 
            @Override// 취소시
            public void onCancel() {
                info.setText("Login attempt canceled.");
            }
 
            @Override
            public void onError(FacebookException e) {
                info.setText("Login attempt failed.");
            }
        });
    }
 
    @Override//필요 결과과
   protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        callbackManager.onActivityResult(requestCode, resultCode, data);
    }
 
    @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;
    }
 
    @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
        if (id == R.id.action_settings) {
            return true;
        }
 
        return super.onOptionsItemSelected(item);
    }
}
 
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Strings.xml
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 <resources>
<string name="app_name">ExFacebook</string>
 
<string name="hello_world">Hello world!</string>
<string name="action_settings">Settings</string>
<string name="app_id">488458194669011</string>
</resources>
 
 
 
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bulid.gradle(module:app)
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 apply plugin: 'com.android.application'
 
android {
    compileSdkVersion 23
    buildToolsVersion "23.0.1"
 
    defaultConfig {
        applicationId "com.example.ji.exfacebook"
        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'])
    compile 'com.facebook.android:facebook-android-sdk:4.6.0'
}
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