Simple:
1) Install Google AdMob Ads SDK (you can use Android SDK Manager for that)
2) Add GoogleAdMobAdsSdk.jar to your project (Project Properties>>Java Build Path>>Add External JARs…)
3) In the Manifest add ACCESS_NETWORK_STATE and INTERNET permissions, and also an activity inside application tag, like that:
Code:
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<application
android:debuggable="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:label="@string/app_name"
android:name=".BillingSampleActivity" >
<intent-filter >
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
android:name="com.google.ads.AdActivity" />
</application>
4) Get Publisher ID from AdMob
5) Add banner to your layout
Code:
<com.google.ads.AdView
android:id="@+id/adView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
ads:adSize="BANNER"
ads:adUnitId="your_admob_publisher_id"
ads:loadAdOnCreate="true" />
Thats it!