Take the 2-minute tour ×  I have two activitys in my app. The
first activity acquires a wakelock that is still present even
when this activity is destroyed. This activity also sets an
alarm whcih starts the second activity. I want the second
activity to release the wakelock that was acquired by the first
activty.  So bassically:  First activity acquires wakelock >>
First activity is destroyed >> Wakelock still acquired >>
canender (alarm) opens a new activity (Second Activity) >>
Second activity releases wakelock??  The question is how do i
release a wakelock in a different activity to where the wakelock
has been acquired?  This is the code i am using to acquire the
wakelock in the first activity:      WakeLock wl;
PowerManager pM =
(PowerManager)getSystemService(Context.POWER_SERVICE);     wl =
pM.newWakeLock(PowerManager.FULL_WAKE_LOCK, "wakeLock");  Is
there any code i could use to release the wakelock in the second
activty?  share|improve this question why dont you use Singleton
pattern approach for t