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POAndroid In-App Billing v3: "Can't perform operation: queryInventory"
 

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  1. POAndroid In-App Billing v3: "Can't perform operation: queryInventory"
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    <p>I have setup In-App Billing for the first time using the new v3 API. It is working correctly on my devices but I have received a lot of error reports from other users.</p> <p>One of them is: </p> <pre><code>java.lang.IllegalStateException: IAB helper is not set up. Can't perform operation: queryInventory at my.package.util.iab.IabHelper.checkSetupDone(IabHelper.java:673) at my.package.util.iab.IabHelper.queryInventory(IabHelper.java:462) at my.package.util.iab.IabHelper$2.run(IabHelper.java:521) at java.lang.Thread.run(Thread.java:1019) </code></pre> <p>And another one is:</p> <pre><code>java.lang.NullPointerException at my.package.activities.MainActivity$4.onIabSetupFinished(MainActivity.java:159) at my.package.util.iab.IabHelper$1.onServiceConnected(IabHelper.java:242) </code></pre> <p>My activity implementation follows Google's example code (all referenced classes are untouched from the example):</p> <pre><code>IabHelper mHelper; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //... mHelper = new IabHelper(this, IAB_PUBLIC_KEY); mHelper.enableDebugLogging(true); mHelper.startSetup(new IabHelper.OnIabSetupFinishedListener() { public void onIabSetupFinished(IabResult result) { if (!result.isSuccess()) { // Oh noes, there was a problem. return; } // Hooray, IAB is fully set up. Now, let's get an inventory of // stuff we own. mHelper.queryInventoryAsync(mGotInventoryListener); //***(1)*** } }); } // Listener that's called when we finish querying the items we own IabHelper.QueryInventoryFinishedListener mGotInventoryListener = new IabHelper.QueryInventoryFinishedListener() { public void onQueryInventoryFinished(IabResult result, Inventory inventory) { if (!result.isFailure()) { if (inventory.hasPurchase(SoundsGlobals.IAB_SKU_PREMIUM)){ //we are premium, do things } } else{ //oops } } }; @Override protected void onDestroy() { if (mHelper != null) { mHelper.dispose(); mHelper = null; } super.onDestroy(); } </code></pre> <p>I assume that both errors originate from the line marked as <code>***(1)***</code></p> <p>What is the cause of these errors? If I'm calling <code>queryInventoryAsync</code> only within <code>onIabSetupFinished</code>, how is it possible that <code>mHelper</code> is null, or that <code>mHelper</code> is not set up?</p> <p>Does anyone know a solution to this?</p>
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    1. COAlso having the same exception: IAB helper is not set up. Can't perform operation: queryInventory. Could be a bug in the Google Play Billing Library?
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