This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
There seems to be a configuration issue with your Android SDK installation. You might try creating a new AVD, or at least double-check the settings on the AVD you are using. If that fails, I would reinstall both Eclipse and the Android SDK.