ActivityTaskTest
Test android task
launchMode :
0) Normal
1) singleTask
2) singleTop
3) singleInstance
Intent标示 :
0) none
1) FLAG_ACTIVITY_NEW_TASK
2) FLAG_ACTIVITY_CLEAR_TOP
3) FLAG_ACTIVITY_RESET_TASK_IF_NEEDED (略)
4) FLAG_ACTIVITY_SINGLE_TOP (略)