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  1. ,
    Expert 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()

  2. ,
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    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.

Solutions on the web

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An error occured while executing doInBackground()
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An error occured while executing doInBackground()
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via GitHub by Amab
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An error occured while executing doInBackground()
via GitHub by Amab
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An error occured while executing doInBackground()
java.lang.SecurityException: Invalid value for visibility: 1	at android.os.Parcel.readException(Parcel.java:1321)	at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:182)	at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:136)	at android.content.ContentProviderProxy.insert(ContentProviderNative.java:447)	at android.content.ContentResolver.insert(ContentResolver.java:721)	at android.app.DownloadManager.enqueue(DownloadManager.java:1172)	at es.ugr.swad.swadroid.modules.downloads.DownloadFactory.downloadFile(DownloadFactory.java:105)	at es.ugr.swad.swadroid.modules.downloads.FileDownloaderAsyncTask.doInBackground(FileDownloaderAsyncTask.java:81)	at es.ugr.swad.swadroid.modules.downloads.FileDownloaderAsyncTask.doInBackground(FileDownloaderAsyncTask.java:1)	at android.os.AsyncTask$2.call(AsyncTask.java:252)	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)	at java.util.concurrent.FutureTask.run(FutureTask.java:137)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1081)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:574)	at java.lang.Thread.run(Thread.java:1020)