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POHow can I see which wakelocks are active
 

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  1. POHow can I see which wakelocks are active
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    <p>For some reason my Android phone won't go to sleep. I assume that a wakelock is keeping it awake, but there is no way to tell which wakelocks are active. The running services doesn't list anything suspicious, and certainly nothing different from usual. So my questions are:</p> <ol> <li><p>Does Android definitely release wakelocks when a process ends? Is it possible an app was badly written and didn't release a wakelock before exiting?</p></li> <li><p>Is there any way to see the active wakelocks?</p></li> </ol> <p>This is what <code>dumpsys power</code> shows:</p> <pre><code>$ dumpsys power Power Manager State: mIsPowered=true mPowerState=0 mScreenOffTime=226093 ms mPartialCount=0 mWakeLockState= mUserState= mPowerState= mLocks.gather= mNextTimeout=91922738 now=92136117 -213s from now mDimScreen=true mStayOnConditions=0 mScreenOffReason=3 mUserState=0 mBroadcastQueue={-1,-1,-1} mBroadcastWhy={0,0,0} mPokey=1 mPokeAwakeonSet=false mKeyboardVisible=false mUserActivityAllowed=false mKeylightDelay=6000 mDimDelay=47000 mScreenOffDelay=7000 mPreventScreenOn=false mScreenBrightnessOverride=-1 mButtonBrightnessOverride=-1 mScreenOffTimeoutSetting=60000 mMaximumScreenOffTimeout=2147483647 mLastScreenOnTime=0 mBroadcastWakeLock=UnsynchronizedWakeLock(mFlags=0x1 mCount=0 mHeld=false) mStayOnWhilePluggedInScreenDimLock=UnsynchronizedWakeLock(mFlags=0x6 mCount=0 mHeld=false) mStayOnWhilePluggedInPartialLock=UnsynchronizedWakeLock(mFlags=0x1 mCount=0 mHeld=false) mPreventScreenOnPartialLock=UnsynchronizedWakeLock(mFlags=0x1 mCount=0 mHeld=false) mProximityPartialLock=UnsynchronizedWakeLock(mFlags=0x1 mCount=0 mHeld=false) mProximityWakeLockCount=0 mProximitySensorEnabled=false mProximitySensorActive=false mProximityPendingValue=-1 mLastProximityEventTime=0 mLightSensorEnabled=false mLightSensorValue=-1.0 mLightSensorPendingValue=-1.0 mLightSensorScreenBrightness=35 mLightSensorButtonBrightness=255 mLightSensorKeyboardBrightness=0 mUseSoftwareAutoBrightness=true mAutoBrightessEnabled=false mScreenBrightness: animating=false targetValue=-1 curValue=0.0 delta=-1.3333334 mLocks.size=0: mPokeLocks.size=1: poke lock 'PhoneApp': POKE_LOCK_IGNORE_CHEEK_EVENTS </code></pre>
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