java.lang.SecurityException

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tip

Android SDK 23 introduced a new way to handle permissions, so as a temporary workaround you can set it to build for SDK below 23. As a permanent solution you have to ask user during runtime for permissions with checkSelfPermission() or requestPermissions()

tip

You need the permission android.permission.READ_EXTERNAL_STORAGE. Write on the Android Manifest

tip

MANAGE_USERS has a protection level of signature|system, so your application must be signed with the platform key. Take a look on this https://goo.gl/nXsTvH for more information about it.

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  • fix Android 7.0 SecurityException
    via GitHub by adrcotfas
    ,
  • UserManager getUserCount() (Jelly Bean)
    via Stack Overflow by Kedi
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  • Fatal exception error
    via Stack Overflow by user2850116
    ,
  • Dealing with Download Listener in Android
    via Stack Overflow by Alok Kumar
    ,
    • java.lang.SecurityException: Not allowed to change Do Not Disturb state at android.os.Parcel.readException(Parcel.java:1666) at android.os.Parcel.readException(Parcel.java:1619) at android.media.IAudioService$Stub$Proxy.setRingerModeExternal(IAudioService.java:962) at android.media.AudioManager.setRingerMode(AudioManager.java:1022) at de.tum.in.tumcampusapp.services.SilenceService.onHandleIntent(SilenceService.java:101) at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:67) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.os.HandlerThread.run(HandlerThread.java:61)

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