NullPointerxceptoin in library?
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I'm trying to fix the BLE issues in an app which heavily relies on Bluetooth, I've implemented the Sweetblue library, which is already a big improvement. However, a lot of people in my Internal Test and Alpha tracks are experiencing issues (Especially Motorola and Huawei users)… From the Play Console I find this stack trace to be the culprit:
The biggest issue her is that I cannot reproduce it with my own phone, nor with the development phones that I have... Does anybody have any clue?
java.lang.NullPointerException:
at com.idevicesinc.sweetblue.internal.P_BleDeviceImpl.addWriteTasks (Unknown Source:20)
at com.idevicesinc.sweetblue.internal.P_BleDeviceImpl.write_internal (Unknown Source:106)
at com.idevicesinc.sweetblue.internal.P_BleDeviceImpl.write (Unknown Source)
at com.idevicesinc.sweetblue.BleDevice.write (Unknown Source:2)
at com....Invers.CloudBoxx.writeCommand (CloudBoxx.java:199)
at com....Invers.CloudBoxx.unlock (CloudBoxx.java:117)
at com....ActivityMain2.requestBLEUnlock (ActivityMain2.java:378)
at com....fragments.FragmentCurrent2.lockUnlockButtonPress (FragmentCurrent2.java:447)
at com....fragments.FragmentCurrent2.lambda$onViewCreated$4 (FragmentCurrent2.java:176)
at com...******.fragments.-$$Lambda$FragmentCurrent2$F9cFy2mt3ExdgeY0E0RxslsFYZs.onClick (Unknown Source:2)
at android.view.View.performClick (View.java:6653)
at android.view.View.performClickInternal (View.java:6625)
at android.view.View.access$3100 (View.java:786)
at android.view.View$PerformClick.run (View.java:26223)
at android.os.Handler.handleCallback (Handler.java:891)
at android.os.Handler.dispatchMessage (Handler.java:102)
at android.os.Looper.loop (Looper.java:207)
at android.app.ActivityThread.main (ActivityThread.java:7470)
at java.lang.reflect.Method.invoke (Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:524)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:958)
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Unfortunately those line numbers are WAY off. If you're using proguard, please add these lines to your proguard file:
-keep class com.idevicesinc.sweetblue.** { *; } -keepattributes SourceFile,LineNumberTable,Signature,*Annotation*,EnclosingMethod -dontwarn com.idevicesinc.sweetblue.**