am 23270e75: am 5b674145: Adding basic on/off screen event handling to the sample background plugin.

Merge commit '23270e751a8769fba15d5cf41f0d572ea36b948e'

* commit '23270e751a8769fba15d5cf41f0d572ea36b948e':
  Adding basic on/off screen event handling to the sample background plugin.