WARNING: Application does not specify an API level requirement!

You have to add the following line in your manifest:

<uses-sdk android:minSdkVersion=”8″ />

The following table specifies the API Level supported by each version of the Android platform.

Platform Version	API Level
Android 2.3	9
Android 2.2	8
Android 2.1	7
Android 2.0.1	6
Android 2.0	5
Android 1.6	4
Android 1.5	3
Android 1.1	2
Android 1.0	1

For more informations have a look at http://developer.android.com/guide/appendix/api-levels.html.