Android14 register receiver注册广播报错缺少exported或not exported

When a receiver isn't exclusively registered for system broadcasts, one must set either RECEIVER_EXPORTED or RECEIVER_NOT exporting.

一、问题分析

实际上异常信息已经很明确，在注册广播时需要指定RECEIVER_EXPORTED和RECEIVER_NOT_EXPORTED中的一个。

参考 [官方指南](https://developer.android.google.cn/reference/android/content/Context?hl=en#registerReceiver(android.contentBroadcasterilter, android.content.IntentFilter, int))：遵循指导步骤并访问以下链接地址

RECEIVER_EXPORTED或RECEIVER_NOT_EXPORTED应作为第三个参数flag传入且只能指定其中一个

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