Swipe and kill app
I/ActivityManager( 1278): Killing 1759:com.appcelerator.apptest/u0a52 (adj 9): remove task

Task manager and force stop app
I/ActivityManager( 1278): Force stopping com.appcelerator.apptest appid=10052 user=0: from pid 1490
I/ActivityManager( 1278): Killing 2134:com.appcelerator.apptest/u0a52 (adj 7): stop com.appcelerator.apptest