Android- Finishing Touches 4- ad Unit Id & current SDK info

Obtaining the Ad unit Id and talking about the current admob sdk, which is having some problems for applications that use the 2.2 platform.

The main error is :
Parser is not a BridgeXmlBlockParser!

The following classes could not be instantiated:
- com.google.ads.AdView
See the Error Log (Window Show View) for more details.