Fix java.lang.NullPointerException: Attempt to invoke virtual method 'void com.android.billingclient.api.BillingClient.queryPurchasesAsync(com.android.billingclient.api.QueryPurchasesParams, com.android.billingclient.api.PurchasesResponseListener)' on a null object reference in com.wdtheprovider.inapppurchase.activities.BuyCodeActivity.onResume (BuyCodeActivity.java:258) #19
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.android.billingclient.api.BillingClient.queryPurchasesAsync(com.android.billingclient.api.QueryPurchasesParams, com.android.billingclient.api.PurchasesResponseListener)' on a null object reference
Version 1.3(10)
Stacktrace
com.wdtheprovider.inapppurchase.activities.BuyCodeActivity.onResume (BuyCodeActivity.java:258);
Reason
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.android.billingclient.api.BillingClient.queryPurchasesAsync(com.android.billingclient.api.QueryPurchasesParams, com.android.billingclient.api.PurchasesResponseListener)' on a null object reference
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