**Java.Lang.SecurityException:** was not granted this permission: android.permission.WRITE_SETTINGS.'

Question

Hello guys , so i am trying to make my device screen go to sleep with this code in android :

Android.Provider.Settings.System.PutInt(((Activity)Forms.Context).ContentResolver,
Android.Provider.Settings.System.ScreenOffTimeout, 1000);

I added this permission :
<uses-permission android:name="android.permission.WRITE_SETTINGS" />

When I tired to run the application , i get that Exception ..
does anyone knows how to allow /get granted the WRITE_SETTINGS Permission
Appreciate your help guys ..

Answer 1

Hello,​

Welcome to our Microsoft Q&A platform!

As stated by user passsy in the stackoverflow question provided by Brian, android.permission.WRITE_SETTINGS has a android:protectionLevel of "signature", which makes the permission unavailable for use in user applications since API level 23.

See https://developer.android.com/guide/topics/manifest/permission-element#plevel for the description of protection levels for permissions.

Best Regards,

Leon Lu

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