Permission Denial: opening provider android.support.v4.content.FileProvider from ProcessRecord{a1687-优快云博客

本文详细解析了在Android系统中，从应用录音并尝试使用系统音乐播放软件播放时遇到的权限错误问题。通过分析错误堆栈，指出了解决方案，即在请求intent中设置临时读取权限，以允许跨应用间的数据访问。

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我在应用中录音，然后让系统的音乐播放软件播放报错：

java.lang.SecurityException: Permission Denial: opening provider android.support.v4.content.FileProvider from ProcessRecord{1df216e 31232:com.miui.player/u0a30} (pid=31232, uid=10030) that is not exported from UID 10207

at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2815)

at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2893)

at android.app.ActivityThread.-wrap11(Unknown Source:0)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1616)

at android.os.Handler.dispatchMessage(Handler.java:106)

at android.os.Looper.loop(Looper.java:164)

at android.app.ActivityThread.main(ActivityThread.java:6650)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:818)

Caused by: java.lang.SecurityException: Permission Denial: opening provider android.support.v4.content.FileProvider from ProcessRecord{1df216e 31232:com.miui.player/u0a30} (pid=31232, uid=10030) that is not exported from UID 10207

at android.os.Parcel.readException(Parcel.java:2005)

at android.os.Parcel.readException(Parcel.java:1951)

at android.app.IActivityManager$Stub$Proxy.getContentProvider(IActivityManager.java:4858)

at android.app.ActivityThread.acquireProvider(ActivityThread.java:5941)

at android.app.ContextImpl$ApplicationContentResolver.acquireProvider(ContextImpl.java:2521)

at android.content.ContentResolver.acquireProvider(ContentResolver.java:1749)

at android.content.ContentResolver.acquireContentProviderClient(ContentResolver.java:1824)

at com.xiaomi.music.sql.SqlUtils.query(SqlUtils.java:518)

at com.xiaomi.music.sql.SqlUtils.query(SqlUtils.java:576)

at com.miui.player.phone.ui.AudioPreview.scanFromProvider(AudioPreview.java:138)

at com.miui.player.phone.ui.AudioPreview.launch(AudioPreview.java:118)

at com.miui.player.phone.ui.AudioPreview.permissionCheck(AudioPreview.java:526)

at com.miui.player.phone.ui.AudioPreview.onCreate(AudioPreview.java:92)

at android.app.Activity.performCreate(Activity.java:7098)

at android.app.Activity.performCreate(Activity.java:7089)

at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1215)

at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2768)