am ae19acd4: am d4161658: am e9b533bf: am 82f0ba79: am 4a6b6948: am 07322102: revise code sample for callback interface
am ae19acd4: am d4161658: am e9b533bf: am 82f0ba79: am 4a6b6948: am 07322102: revise code sample for callback interface

* commit 'ae19acd489d7a12235c09fa13e6355328699f7ea':
  revise code sample for callback interface

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base