java.lang.RuntimeException

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  • java.lang.RuntimeException: Unable to resume activity {com.softwareoverflow.cookingtimer/com.SoftwareOverflow.CookingScheduler.HomeScreen}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.SoftwareOverflow.CookingScheduler.util.IabHelper.queryInventoryAsync(com.SoftwareOverflow.CookingScheduler.util.IabHelper$QueryInventoryFinishedListener)' on a null object reference at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3028) at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3063) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2418) at android.app.ActivityThread.access$800(ActivityThread.java:155) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1317) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5343) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.SoftwareOverflow.CookingScheduler.util.IabHelper.queryInventoryAsync(com.SoftwareOverflow.CookingScheduler.util.IabHelper$QueryInventoryFinishedListener)' on a null object reference at com.SoftwareOverflow.CookingScheduler.HomeScreen.checkPurchase(HomeScreen.java:117) at com.SoftwareOverflow.CookingScheduler.HomeScreen.onResume(HomeScreen.java:140) at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1280) at android.app.Activity.performResume(Activity.java:6096) at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3011) ... 11 more
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