Power-Related States
Run/Idle
Sleep
During Other Apps
Hiker’s Buddy Foreground
GPS
off
no SL
!UI event
cancel or
fix
power
key
key
!UI
alarm
GPS on
SL
GPS on
SL
Request
location
switch
switch
Alarm
Launch
Check GPS
reset
1 to 3 min
event
loop
A
B
C
D
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