java.lang.SecurityException

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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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  • UserManager getUserCount() (Jelly Bean)
    via Stack Overflow by Kedi
    ,
  • Fatal exception error
    via Stack Overflow by user2850116
    ,
    • java.lang.SecurityException: Permission denial: writing to settings requires android.permission.WRITE_SETTINGS at android.os.Parcel.readException(Parcel.java:1540) at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:190) at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:142) at android.content.ContentProviderProxy.call(ContentProviderNative.java:643) at android.provider.Settings$NameValueCache.putStringForUser(Settings.java:1094) at android.provider.Settings$System.putStringForUser(Settings.java:1371) at android.provider.Settings$System.putIntForUser(Settings.java:1476) at android.provider.Settings$System.putInt(Settings.java:1470) at com.matodayu.oxo.FullscreenActivity$4$1.run(FullscreenActivity.java:184) at android.app.Activity.runOnUiThread(Activity.java:5285) at com.matodayu.oxo.FullscreenActivity$4.onClick(FullscreenActivity.java:179) at android.view.View.performClick(View.java:4809) at android.view.View$PerformClick.run(View.java:20123) at android.os.Handler.handleCallback(Handler.java:815) at android.os.Handler.dispatchMessage(Handler.java:104) at android.os.Looper.loop(Looper.java:194) at android.app.ActivityThread.main(ActivityThread.java:5534) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:955) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:750)

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