重现步骤
在viewDidLoad中添加交易队列观察者
[[SKPaymentQueue defaultQueue] addTransactionObserver:self];
然后完成一次购买后退出这个页面，下载在进入购买页面时就会崩溃。
因为这个页面添加了观察者，在页面消失的时候却没给它移除观察者导致。
在viewWillDisappear中添加移除代码
[[SKPaymentQueue defaultQueue] removeTransactionObserver:self];
点击编辑
重新设置
设置成功并保存
返回查看
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1、ios应用内付费参考链接： 1）http://blog.devtang.com/blog/2012/12/09...
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本文标题：In_App Purchase总结
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