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shangmisunmi / SunmiPrinterXSample

This repository shows how to use Sunmi-PrinterX SDK...
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java.lang.NullPointerException: Attempt to invoke virtual method 'com.sunmi.printerx.api.LineApi com.sunmi.printerx.PrinterSdk$Printer.lineApi()' on a null object reference #5

Open nadeemabualarayes opened 3 months ago

nadeemabualarayes commented 3 months ago

Null reference encountered during printing java.lang.NullPointerException: Attempt to invoke virtual method 'com.sunmi.printerx.api.LineApi com.sunmi.printerx.PrinterSdk$Printer.lineApi()' on a null object reference at com.sunmi.samples.printerx.TicketFragment.lambda$onViewCreated$0$com-sunmi-samples-printerx-TicketFragment(TicketFragment.java:52) at com.sunmi.samples.printerx.TicketFragment$$ExternalSyntheticLambda0.onClick(Unknown Source:2) at android.view.View.performClick(View.java:7527) at android.view.View.performClickInternal(View.java:7500) at android.view.View.-$$Nest$mperformClickInternal(Unknown Source:0) at android.view.View$PerformClick.run(View.java:29538) at android.os.Handler.handleCallback(Handler.java:942) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loopOnce(Looper.java:201) at android.os.Looper.loop(Looper.java:288) at android.app.ActivityThread.main(ActivityThread.java:7941) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:569) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1015)

                                                                                                     Could not open '/proc/ppm/policy/ut_fix_freq_idx'

2024-08-19 22:09:57.891 507-576 libPowerHal ven...hardware.mtkpower@1.0-service E error : 13, Permission denied 2024-08-19 22:09:57.891 507-576 libPowerHal ven...hardware.mtkpower@1.0-service E Could not open '/proc/cpufreq/cpufreq_cci_mode' 2024-08-19 22:09:57.891 507-576 libPowerHal ven...hardware.mtkpower@1.0-service E error : 2, No such file or directory 2024-08-19 22:09:57.891 507-576 libPowerHal ven...hardware.mtkpower@1.0-service E Could not open '/proc/gpufreq/gpufreq_opp_freq' 2024-08-19 22:09:57.891 507-576 libPowerHal ven...hardware.mtkpower@1.0-service E error : 13, Permission denied 2024-08-19 22:09:57.891 507-576 libPowerHal ven...hardware.mtkpower@1.0-service E Could not open '/sys/devices/platform/10012000.dvfsrc/helio-dvfsrc/dvfsrc_force_vcore_dvfs_opp' 2024-08-19 22:09:57.891 507-576 libPowerHal ven...hardware.mtkpower@1.0-service E error : 13, Permission denied 2024-08-19 22:09:57.891 507-576 libPowerHal ven...hardware.mtkpower@1.0-service E Could not open '/sys/devices/system/cpu/sched/sched_boost' 2024-08-19 22:09:57.891 507-576 libPowerHal ven...hardware.mtkpower@1.0-service E error : 2, No such file or directory

git175010415 commented 3 months ago

hi, you can update the printerx version like :'com.sunmi:printerx:latest.release' to 'com.sunmi:printerx:latest.release 1.0.17'

muathejamil commented 3 months ago

Hi we have the same issue, we cloned the repo and built the APK on the Sunmi v2s device but it is not working we are getting: image when I went to Settings I was not able to find the Sunmi printer image

muathejamil commented 3 months ago

WhatsApp Image 2024-08-23 at 18 40 32_ec697ee2

git175010415 commented 2 months ago

@muathejamil hi, Please provide the version of your device.