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PORunning code on the main/UI thread in Cocos2dx
 

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    <p><strong>Edit:</strong> So the issue was on the Java side. The purchase finished listener wasn't being called. This was very helpful: <a href="https://stackoverflow.com/questions/13831503/iabhelper-purchasefinishedlistener">IabHelper PurchaseFinishedListener</a></p> <p>My Cocos2dx game runs fine on Android and iOS for the most part. Only think giving me trouble is Android In-App Billing.</p> <p>I'm using JNI to call from C++ to Java. The Java code goes back and forth w/ Google Play billing system and ultimately calls back to the C++ code indicating how much treasure to give to the user (amount successfully purchased).</p> <p>The call from Java back to C++ is doing something very strange. The C++ code that runs should update the display of two things. However it only updates one and it's not consistent. Also multiple calls from Java to C++ result in CCNodes ignoring touches and doing other strange things.</p> <p>After reading up on similar issues I realized that perhaps the Java to C++ call wasn't on the main/UI thread. So I tried to fix that like this:</p> <pre><code>// Java code IabHelper.OnConsumeFinishedListener mConsumeFinishedListener = new IabHelper.OnConsumeFinishedListener() { public void onConsumeFinished(Purchase purchase, IabResult result) { if (result.isSuccess()) { String sku = purchase.getSku(); if (sku.equals(IAB_ID_ABC)) { me.runOnUiThread(new Runnable() { public void run() { callCppMethodFromJava_giveUserABC(); } }); } } }; </code></pre> <p>Here I'm trying to call giveUserABC on the main/UI thread. giveUserABC is called however it's exhibiting strange behavior as described above.</p> <p>Another thing I tried is posting a notification via CCNotificationCenter in giveUserABC. This was a shot in the dark but I read that it worked somewhere for someone.</p> <p>Unfortunately none of this has fixed the strange behavior. Any help in understanding and fixing this situation is greatly appreciated!</p>
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    1. COCould you post the C++ part? Especially the callback after purchase.
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    2. CO@Losiowaty Are you interested in the C++ syntax or something else? The syntax wasn't too much of issue. Name your function something like `void Java_org_cocos2dx_lib_Cocos2dxActivity_MyAwesomeFunction`. In the Java code you would have `public static native void MyAwesomeFunction();`
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