Google Maps einsetzen; Anfängerfragen

Thread [<3> main] (Suspended (exception InflateException))    
    ViewRoot.handleMessage(Message) line: 1716    
    ViewRoot(Handler).dispatchMessage(Message) line: 99    
    Looper.loop() line: 123    
    ActivityThread.main(String[]) line: 4203    
    Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method]    
    Method.invoke(Object, Object...) line: 521    
    ZygoteInit$MethodAndArgsCaller.run() line: 791    
    ZygoteInit.main(String[]) line: 549    
    NativeStart.main(String[]) line: not available [native method]    

Thread [<3> main] (Suspended (exception InflateException))    
    ZygoteInit$MethodAndArgsCaller.run() line: 797    
    ZygoteInit.main(String[]) line: 549    
    NativeStart.main(String[]) line: not available [native method]

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.App" android:versionCode="1"   android:versionName="0.1">
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.INTERNET" />
      <uses-permission android:name="android.permission.ACCESS_GPS" />
      <uses-permission android:name="android.permission.ACCESS_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_ASSISTED_GPS" />
      <uses-permission android:name="android.permission.ACCESS_CELL_ID" /> 

    <application android:icon="@drawable/icon" android:label="@string/app_name">
        
        <uses-library android:name="com.google.android.maps" />
        
        <activity android:name=".App"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>



    </application>
    <uses-sdk android:minSdkVersion="3" />
    
</manifest>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent">
      

  
  <com.google.android.maps.MapView
        android:id="@+id/myMapView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:apiKey="mein_key"
    />
  

  
</LinearLayout>