我试图找出如何在机器人框架内部重新发现意图。 更具体地说, 我想在“ com.android. international. policy. Impl. impl. ” 下找到的“ Password UnlockScreen ” 中注册自己为 NFC 意图的接收者。 问题是我不在活动范围内 。
在没有活动背景的情况下,是否可以向我通报新的NFC意图?
我试图找出如何在机器人框架内部重新发现意图。 更具体地说, 我想在“ com.android. international. policy. Impl. impl. ” 下找到的“ Password UnlockScreen ” 中注册自己为 NFC 意图的接收者。 问题是我不在活动范围内 。
在没有活动背景的情况下,是否可以向我通报新的NFC意图?
首先,通过密码 UnlockScreen 上下文参数的构建器。第二个选项是使用 getContext ()
方法获取上下文。您也可以在此文件中找到示例 。
否,您需要一个活动上下文来接收 NFC 意图。此外,当屏幕被锁定时, NFC 会被关闭:也就是说,无论如何不会发送任何意图 。
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