I want to load the google map API on my android. I try everything I search but it still crash. this is my MainActivity.java
package com.example.androidmapsv2;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
public class MainActivity extends FragmentActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // Show the Up button in the action bar.
        getActionBar().setDisplayHomeAsUpEnabled(true);
        GooglePlayServicesUtil.isGooglePlayServicesAvailable(getApplicationContext());
        GoogleMap map = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map)).getMap();
    }
}
This is my layout activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<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"
    tools:context=".MainActivity" >
    <fragment
        android:id="@+id/map"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        class="com.google.android.gms.maps.SupportMapFragment"/>
</RelativeLayout>
This is my manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.androidmapsv2"
    android:versionCode="1"
    android:versionName="1.0" >
    <uses-sdk
        android:minSdkVersion="11"
        android:targetSdkVersion="16" />
    <permission
        android:name="com.example.androidmapsv2.permission.MAPS_RECEIVE"
        android:protectionLevel="signature" >
    </permission>
    <uses-permission android:name="com.example.androidmapsv2.permission.MAPS_RECEIVE" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <!-- Require OpenGL ES version 2 -->
    <uses-feature
        android:glEsVersion="0x00020000"
        android:required="true" />
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <uses-library android:name="com.google.android.maps" />
        <activity
            android:name="com.example.androidmapsv2.MainActivity"
            android:label="aaa" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <meta-data
            android:name="com.google.android.maps.v2.API_KEY"
            android:value="AIzaSyDr9xN8L3sF6W2ZRWmTR7q0lhTeOWhXEfQ" />
    </application>
</manifest>
This is the key i've got

This is the libs included (Solved in update)

and i don't have a real android device, so i install it on emulator in this tutorial
This is the logcat
   01-09 18:05:19.184: E/Trace(1366): error opening trace file: No such file or directory (2)
01-09 18:05:19.354: W/dalvikvm(1366): Unable to resolve superclass of Lcom/example/androidmapsv2/MainActivity; (5)
01-09 18:05:19.354: W/dalvikvm(1366): Link of class 'Lcom/example/androidmapsv2/MainActivity;' failed
01-09 18:05:19.365: D/AndroidRuntime(1366): Shutting down VM
01-09 18:05:19.365: W/dalvikvm(1366): threadid=1: thread exiting with uncaught exception (group=0x40a13300)
01-09 18:05:19.384: E/AndroidRuntime(1366): FATAL EXCEPTION: main
01-09 18:05:19.384: E/AndroidRuntime(1366): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.androidmapsv2/com.example.androidmapsv2.MainActivity}: java.lang.ClassNotFoundException: com.example.androidmapsv2.MainActivity
01-09 18:05:19.384: E/AndroidRuntime(1366):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1983)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at android.app.ActivityThread.access$600(ActivityThread.java:130)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at android.os.Handler.dispatchMessage(Handler.java:99)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at android.os.Looper.loop(Looper.java:137)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at android.app.ActivityThread.main(ActivityThread.java:4745)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at java.lang.reflect.Method.invokeNative(Native Method)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at java.lang.reflect.Method.invoke(Method.java:511)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at dalvik.system.NativeStart.main(Native Method)
01-09 18:05:19.384: E/AndroidRuntime(1366): Caused by: java.lang.ClassNotFoundException: com.example.androidmapsv2.MainActivity
01-09 18:05:19.384: E/AndroidRuntime(1366):     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at android.app.Instrumentation.newActivity(Instrumentation.java:1053)
01-09 18:05:19.384: E/AndroidRuntime(1366):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1974)
01-09 18:05:19.384: E/AndroidRuntime(1366):     ... 11 more
UPDATED
i've tried to copy the google-play-services_lib to workspace and red mark disappear
but it come another error. It missing the google-play-services_lib.jar (the lib folder name + .jar). how to fix it 
when i click the  google-play-services_lib.jar, the remove button doesn't show up(like picture). However i try remove all Android Dependencies and import the others lib again. now it working, but still crash. 
I've tried change
MainActivity extends Activity
To
MainActivity extends FragmentActivity
and the layout
<?xml version="1.0" encoding="utf-8"?>
<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"
    tools:context=".MainActivity" >
    <fragment
        android:id="@+id/map"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        class="com.google.android.gms.maps.SupportMapFragment"/>
</RelativeLayout>
it appear another error. help me, now i'm out of solution for this
Finally, i solved my error. It caused by my eclipse (i guess). When you add the library class, it automatically appear "google-play-services_lib.jar", you don't have to do anything. I reinstall Eclipse and everything work fine 

I also faces this kind of the problem,when first time coding for the map with API V2.
Just try using the extends  with FragmentActivity instead of the Activity
you have to copy the project(goolge_play_services) into your workspace and then attach it to your project. In above image it show the cross red,so select it and remove and then after once again add attach the library with the project.
It is required to use SupportMapFragment if API version is below 11
<fragment
    android:id="@+id/map"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    class="com.google.android.gms.maps.SupportMapFragment"/>
Important
Don't forget to extend your Activity with FragmentActivity
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