Android in-app billing: Can't start async operation because another async operation (is in progress)

Question

I am using the IabHelper utility classes, as recommended by Google\'s tutorial, and I\'m being hit hard by this error. Apparently IabHelper can not

Answer 1

I have same issue, but it resolved! I think you must be not run "launchPurchaseFlow" on UI thread, try to run launchPurchaseFlow on UI thread, it would be working fine!

mActivity.runOnUiThread(new Runnable(){
            public void run(){
                mHelper.launchPurchaseFlow(mActivity, item, 10001, mPurchaseFinishedListener,username);
            }
        });