extends:http://www.cnblogs.com/tt_mc/p/4269833.html
adb shell dumpsys activity activities | sed -En -e '/Running activities/,/Run #0/p'
extends:http://www.cnblogs.com/tt_mc/p/4269833.html
adb shell dumpsys activity activities | sed -En -e '/Running activities/,/Run #0/p'