java.lang.SecurityException: Permission Denial: reading com.android.providers.media.MediaProvider u-优快云博客

本文链接：https://blog.youkuaiyun.com/csdn9228/article/details/100704933

本文详细解析了java.lang.SecurityException异常，特别是当应用程序尝试读取外部存储而未正确请求READ_EXTERNAL_STORAGE权限时的情况。文章提供了错误堆栈跟踪，解释了为何需要手动启用此权限，并指导如何在应用中正确实现权限请求。

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java.lang.SecurityException: Permission Denial: reading com.android.providers.media.MediaProvider uri content://media/external/file from pid=30511, uid=10264 requires android.permission.READ_EXTERNAL_STORAGE, or grantUriPermission()
at android.os.Parcel.createException(Parcel.java:1953)
at android.os.Parcel.readException(Parcel.java:1921)
at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:183)
at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:135)
at android.content.ContentProviderProxy.query(ContentProviderNative.java:418)
at android.content.ContentResolver.query(ContentResolver.java:816)
at android.content.ContentResolver.query(ContentResolver.java:766)
at android.content.ContentResolver.query(ContentResolver.java:717)
at com.example.network.util.ApkUtil.getAllApkFile(ApkUtil.java:35)
at com.example.network.activity.ApkInfoActivity.showApkList(ApkInfoActivity.java:66)
at com.example.network.activity.ApkInfoActivity.access$000(ApkInfoActivity.java:35)
at com.example.network.activity.ApkInfoActivity$1.run(ApkInfoActivity.java:59)
at android.os.Handler.handleCallback(Handler.java:907)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:216)
at android.app.ActivityThread.main(ActivityThread.java:7625)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:987)