https://www.cnblogs.com/huansky/p/13785634.html
示例demo
https://blog.csdn.net/msn465780/article/details/128434269
问题整理
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应用间通讯出现‘Failed to find provider info for ’的问题
通过https://blog.csdn.net/qq_34727886/article/details/110951082 ,在client的manifests节点下增加queries节点。<queries> <package android:name="server包名" /> <!-- 也可以单独指定provider --> <!-- <provider android:authorities="com.example.databasetest.provider" />--> </queries>
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Android12出现
The authority unknown does not match the one of the contentProvider
错误,Android7正常。
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