java.lang.NullPointerException: Attempt to invoke virtual method 'void com.bestworkouts.sheikoworkout.util.IabHelper.launchPurchaseFlow(android.app.Activity, java.lang.String, int, com.bestworkouts.sheikoworkout.util.IabHelper$OnIabPurchaseFinishedListener, java.lang.String)' on a null object reference

Stack Overflow | LBJ33 | 6 months ago
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    Android In-app purchases Problems

    Stack Overflow | 6 months ago | LBJ33
    java.lang.NullPointerException: Attempt to invoke virtual method 'void com.bestworkouts.sheikoworkout.util.IabHelper.launchPurchaseFlow(android.app.Activity, java.lang.String, int, com.bestworkouts.sheikoworkout.util.IabHelper$OnIabPurchaseFinishedListener, java.lang.String)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void com.bestworkouts.sheikoworkout.util.IabHelper.launchPurchaseFlow(android.app.Activity, java.lang.String, int, com.bestworkouts.sheikoworkout.util.IabHelper$OnIabPurchaseFinishedListener, java.lang.String)' on a null object reference

      at com.bestworkouts.sheikoworkout.purchases$1.onClick()
    2. com.bestworkouts.sheikoworkout
      purchases$1.onClick
      1. com.bestworkouts.sheikoworkout.purchases$1.onClick(purchases.java:41)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5697)
      2. android.widget.TextView.performClick(TextView.java:10814)
      3. android.view.View$PerformClick.run(View.java:22526)
      4. android.os.Handler.handleCallback(Handler.java:739)
      5. android.os.Handler.dispatchMessage(Handler.java:95)
      6. android.os.Looper.loop(Looper.java:158)
      7. android.app.ActivityThread.main(ActivityThread.java:7229)
      7 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
      2 frames