[Miscellaneous Android Development] jonharrell:
I'm getting an error on Acer A1-810 with 4.2.2:

2016/12/25 14:41:12: Checking firmware version.

cannot create '.\build.prop': No such file or directory

2016/12/25 14:41:12: E: Failed to check firmware version: 'adb pull /system/build.prop' failed.

Full log:

----------

2016/12/25 14:40:36: ADB Connection to your Acer Iconia A1-810 / A1-811 / A3-A10 / B1-711 / B1-720 successful.

2016/12/25 14:40:36: Copying Busybox to your Acer Iconia A1-810 / A1-811 / A3-A10 / B1-711 / B1-720.

3553 KB/s (1062992 bytes in 0.292s)

2016/12/25 14:40:37: Successfully copied Busybox to your Acer Iconia A1-810 / A1-811 / A3-A10 / B1-711 / B1-720.

2016/12/25 14:40:37: Starting Telnet server on your Acer Iconia A1-810 / A1-811 / A3-A10 / B1-711 / B1-720.

POWER MANAGER (dumpsys power)

Power Manager State:

mDirty=0x0

mWakefulness=Awake

mIsPowered=true

mPlugType=2

mBatteryLevel=62

mBatteryLevelWhenDreamStarted=0

mDockState=0

mStayOn=false

mProximityPositive=false

mBootCompleted=true

mSystemReady=true

mWakeLockSummary=0x0

mUserActivitySummary=0x1

mRequestWaitForNegativeProximity=false

mSandmanScheduled=false

mLastWakeTime=979228 (703179 ms ago)

mLastSleepTime=638451 (1043956 ms ago)

mSendWakeUpFinishedNotificationWhenReady=false

mSendGoToSleepFinishedNotificationWhenReady=false

mLastUserActivityTime=1621441 (60966 ms ago)

mLastUserActivityTimeNoChangeLights=0 (1682408 ms ago)

mDisplayReady=true

mHoldingWakeLockSuspendBlocker=true

Settings and Configuration:

mDreamsSupportedConfig=true

mDreamsEnabledSetting=false

mDreamsActivateOnSleepSetting=true

mDreamsActivateOnDockSetting=false

mScreenOffTimeoutSetting=2147483647

mMaximumScreenOffTimeoutFromDeviceAdmin=2147483647 (enforced=false)

mStayOnWhilePluggedInSetting=0

mScreenBrightnessSetting=143

mScreenAutoBrightnessAdjustmentSetting=0.0

mScreenBrightnessModeSetting=0

mScreenBrightnessOverrideFromWindowManager=-1

mUserActivityTimeoutOverrideFromWindowManager=-1

mTemporaryScreenBrightnessSettingOverride=-1

mTemporaryScreenAutoBrightnessAdjustmentSettingOverride=NaN

mScreenBrightnessSettingMinimum=30

mScreenBrightnessSettingMaximum=254

mScreenBrightnessSettingDefault=105

Screen off timeout: 2147483647 ms

Screen dim duration: 7000 ms

Wake Locks: size=0

Suspend Blockers: size=3

PowerManagerService: ref count=1

PowerManagerService.Broadcasts: ref count=0

PowerManagerService.WirelessChargerDetector: ref count=0

Screen On Blocker: held=false, mNestCount=0

Display Blanker: blanked=false

Display Controller Locked State:

mDisplayReadyLocked=true

mPendingRequestLocked=screenState=2, useProximitySensor=false, screenBrightness=143, screenAutoBrightnessAdjustment=0.0, useAutoBrightness=false, useEcoBrightness=false, blockScreenOn=false

mPendingRequestChangedLocked=false

mPendingWaitForNegativeProximityLocked=false

mPendingUpdatePowerStateLocked=false

Display Controller Configuration:

mScreenBrightnessDimConfig=20

mScreenBrightnessRangeMinimum=20

mScreenBrightnessRangeMaximum=255

mUseSoftwareAutoBrightnessConfig=false

mScreenAutoBrightnessSpline=null

mLightSensorWarmUpTimeConfig=0

Display Controller Thread State:

mPowerRequest=screenState=2, useProximitySensor=false, screenBrightness=143, screenAutoBrightnessAdjustment=0.0, useAutoBrightness=false, useEcoBrightness=false, blockScreenOn=false

mWaitingForNegativeProximity=false

mProximitySensor=null

mProximitySensorEnabled=false

mProximityThreshold=0.0

mProximity=Unknown

mPendingProximity=Unknown

mPendingProximityDebounceTime=0 (1682416 ms ago)

mScreenOffBecauseOfProximity=false

mLightSensor=null

mLightSensorEnabled=false

mLightSensorEnableTime=0 (1682417 ms ago)

mAmbientLux=0.0

mAmbientLuxValid=false

mLastObservedLux=0.0

mLastObservedLuxTime=0 (1682417 ms ago)

mRecentLightSamples=0

mRecentShortTermAverageLux=0.0

mRecentLongTermAverageLux=0.0

mDebounceLuxDirection=0

mDebounceLuxTime=0 (1682418 ms ago)

mScreenAutoBrightness=-1

mUsingScreenAutoBrightness=false

mLastScreenAutoBrightnessGamma=1.0

mTwilight.getCurrentState()={TwilightState: isNight=false, mYesterdaySunset=Dec 24, 2016 6:27:24 PM, mTodaySunrise=Dec 25, 2016 5:35:34 AM, mTodaySunset=Dec 25, 2016 6:27:53 PM, mTomorrowSunrise=Dec 26, 2016 5:36:03 AM}

mElectronBeamOnAnimator.isStarted()=false

mElectronBeamOffAnimator.isStarted()=false

Display Power State:

mScreenOn=true

mScreenBrightness=143

mScreenReady=true

mScreenUpdatePending=false

mElectronBeamPrepared=false

mElectronBeamLevel=1.0

mElectronBeamReady=true

mElectronBeamDrawPending=false

Photonic Modulator State:

mPendingOn=true

mPendingBacklight=143

mActualOn=true

mActualBacklight=143

mChangeInProgress=false

Electron Beam State:

mPrepared=false

mMode=2

mDisplayLayerStack=0

mDisplayWidth=768

mDisplayHeight=1024

mSurfaceVisible=false

mSurfaceAlpha=0.0

Wireless Charger Detector State:

mGravitySensor=null

mPoweredWirelessly=false

mAtRest=false

mRestX=0.0, mRestY=0.0, mRestZ=0.0

mDetectionInProgress=false

mMustUpdateRestPosition=false

mTotalSamples=0

mMovingSamples=0

mFirstSampleTime=0

mFirstSampleX=0.0, mFirstSampleY=0.0, mFirstSampleZ=0.0

2016/12/25 14:40:37: Turn on your Acer Iconia A1-810 / A1-811 / A3-A10 / B1-711 / B1-720 now and unlock the screen.

2016/12/25 14:40:37: Hit ENTER when you are done.

[ENTER] Continue

[Q] Quit

Enter a selection:

2016/12/25 14:40:47: Don't touch the screen! I'm taking it over now ;)

Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.mediatek.connectivity/.CdsInfoActivity }

Warning: Activity not started, its current task has been brought to the front

2016/12/25 14:41:10: Checking, if telnet server is started. If the tool crashes now, try to start telnet server manually by clicking on 'Run'.

system 5274 1 1204 216 ffffffff 00000000 S /data/local/tmp/busybox

2016/12/25 14:41:11: Successfully started Telnet server on your Acer Iconia A1-810 / A1-811 / A3-A10 / B1-711 / B1-720.

/data/local/tmp/busybox telnet 127.0.0.1 1234 | cat /proc/dumchar_info

exit

exit

127.0.0.1 1234 | cat /proc/dumchar_info <

Part_Name Size StartAddr Type MapTo

preloader 0x0000000000c00000 0x0000000000000000 2 /dev/misc-sd

mbr 0x0000000000080000 0x0000000000000000 2 /dev/block/mmcblk0

ebr1 0x0000000000080000 0x0000000000080000 2 /dev/block/mmcblk0p1

pmt 0x0000000000400000 0x0000000000100000 2 /dev/block/mmcblk0

pro_info 0x0000000000300000 0x0000000000500000 2 /dev/block/mmcblk0

nvram 0x0000000000500000 0x0000000000800000 2 /dev/block/mmcblk0

protect_f 0x0000000000a00000 0x0000000000d00000 2 /dev/block/mmcblk0p2

protect_s 0x0000000000a00000 0x0000000001700000 2 /dev/block/mmcblk0p3

seccfg 0x0000000000020000 0x0000000002100000 2 /dev/block/mmcblk0

uboot 0x0000000000060000 0x0000000002120000 2 /dev/block/mmcblk0

bootimg 0x0000000000600000 0x0000000002180000 2 /dev/block/mmcblk0

recovery 0x0000000000a00000 0x0000000002780000 2 /dev/block/mmcblk0

sec_ro 0x0000000000600000 0x0000000003180000 2 /dev/block/mmcblk0p4

misc 0x0000000000080000 0x0000000003780000 2 /dev/block/mmcblk0

logo 0x0000000000300000 0x0000000003800000 2 /dev/block/mmcblk0

expdb 0x0000000000a00000 0x0000000003b00000 2 /dev/block/mmcblk0

android 0x0000000040000000 0x0000000004500000 2 /dev/block/mmcblk0p5

2016/12/25 14:41:12: Checking firmware version.

cannot create '.\build.prop': No such file or directory

2016/12/25 14:41:12: E: Failed to check firmware version: 'adb pull /system/build.prop' failed.

Press Enter to leave Application...