Adcode for Eclipse

Eclipse
Xml
On Top
xmlns:ad="http://schemas.android.com/apk/res-auto"
   
And at last before layout
<com.google.android.gms.ads.AdView
android:layout_width="320dp"
android:layout_height="50dp"
android:layout_alignParentBottom="true"
ads:adSize="BANNER"
ads:adUnitId="ca-app-pub-8936412455737587/8586620751">
</com.google.android.gms.ads.AdView>

Change padding Left, Right and Bottom to 0dp instead of activity.dimen

Java
After r.main
AdView adView=(AdView)findViewById(R.adView);
AdRequest adRequest=new Adrequest.Builder()
.addTestDevice("abc")
.addTest.Build();
AdView.loadAd(adRequest);

Manifest
Before <application
<uses_sdk
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.:INTERNET"/>

And after </application>
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_service_version"/>

<activity
android:name="com.google.android.gms.ads.AdActivity"
android:changes="KeyboardKeyboardHidden/Orientation/ScreenLayout/uiMode/ScreenSize/smallestScreenSize"/>