Using Ionic 1.0.0 beta-8
After creating a new app, I built and deployed it to a Nexus 5 emulator and it worked fine. But when I tried to debug it on my Android 2.2 p
FYI, Google back-ported features from Honeycomb and again from later versions of Android into a "compatibility" library. You might be able to install that and get your app working on older versions of Android. You would need to update your Android SDK and install this library.
See Android Support Library docs.
If you're using Ionic, you could add a hook script that copies the library into your project when you add Android as a platform or start a build.