[Lenovo ZUK Z2 (Plus) Questions & Answers] metallingus7:
after flashing stock rom i am unable to use flash light and rear camera...

i tried other roms but the problem still exist.

----- CRASH LOG----

SUPPORTED_64_BIT_ABIS=[Ljava.lang.String;@1f93608

versionCode=21

BOARD=QC_Reference_Phone

BOOTLOADER=unknown

TYPE=user

ID=NRD90M

TIME=1492497818000

BRAND=ZUK

TAG=Build

HARDWARE=qcom

SERIAL=6240b8f4

SUPPORTED_ABIS=[Ljava.lang.String;@7c2a1a1

CPU_ABI=arm64-v8a

IS_DEBUGGABLE=false

RADIO=unknown

MANUFACTURER=ZUK

IS_EMULATOR=false

SUPPORTED_32_BIT_ABIS=[Ljava.lang.String;@42b4fab

TAGS=release-keys

CPU_ABI2=

UNKNOWN=unknown

PERMISSIONS_REVIEW_REQUIRED=false

USER=buildslave

FINGERPRINT=ZUK/z2_plus_hw/z2_plus_hw:7.0/NRD90M/2.5.104_170418:user/release-keys

HOST=byws20

versionName=0.9.0.0

PRODUCT=z2_plus_hw

DISPLAY=NRD90M dev-keys

MODEL=ZUK Z2132

DEVICE=z2_plus_hw

java.lang.RuntimeException: Unable to start receiver com.zui.cameragallery.camera.DisableCameraReceiver: java.lang.IllegalArgumentException: Component class com.zui.cameragallery.camera.CameraLauncher does not exist in com.zui.cameragallery

at android.app.ActivityThread.handleReceiver(ActivityThread.java:3079)

at android.app.ActivityThread.-wrap18(ActivityThread.java)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1565)

at android.os.Handler.dispatchMessage(Handler.java:102)

at android.os.Looper.loop(Looper.java:154)

at android.app.ActivityThread.main(ActivityThread.java:6153)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:758)

Caused by: java.lang.IllegalArgumentException: Component class com.zui.cameragallery.camera.CameraLauncher does not exist in com.zui.cameragallery

at android.os.Parcel.readException(Parcel.java:1687)

at android.os.Parcel.readException(Parcel.java:1636)

at android.content.pm.IPackageManager$Stub$Proxy.setComponentEnabledSetting(IPackageManager.java:4485)

at android.app.ApplicationPackageManager.setComponentEnabledSetting(ApplicationPackageManager.java:2233)

at com.zui.cameragallery.camera.DisableCameraReceiver.disableComponent(DisableCameraReceiver.java:82)

at com.zui.cameragallery.camera.DisableCameraReceiver.onReceive(DisableCameraReceiver.java:48)

at android.app.ActivityThread.handleReceiver(ActivityThread.java:3072)

... 8 more

java.lang.IllegalArgumentException: Component class com.zui.cameragallery.camera.CameraLauncher does not exist in com.zui.cameragallery

at android.os.Parcel.readException(Parcel.java:1687)

at android.os.Parcel.readException(Parcel.java:1636)

at android.content.pm.IPackageManager$Stub$Proxy.setComponentEnabledSetting(IPackageManager.java:4485)

at android.app.ApplicationPackageManager.setComponentEnabledSetting(ApplicationPackageManager.java:2233)

at com.zui.cameragallery.camera.DisableCameraReceiver.disableComponent(DisableCameraReceiver.java:82)

at com.zui.cameragallery.camera.DisableCameraReceiver.onReceive(DisableCameraReceiver.java:48)

at android.app.ActivityThread.handleReceiver(ActivityThread.java:3072)

at android.app.ActivityThread.-wrap18(ActivityThread.java)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1565)

at android.os.Handler.dispatchMessage(Handler.java:102)

at android.os.Looper.loop(Looper.java:154)

at android.app.ActivityThread.main(ActivityThread.java:6153)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:758)