in effetti mi restituisce la voce "null"
Andato avanti nei passaggi ma mi da che i permessi sono negati:
Exception occurred while executing 'put':
java.lang.SecurityException: Permission denial: writing to settings requires:android.permission.WRITE_SECURE_SETTINGS
at com.android.providers.settings.SettingsProvider.en forceWritePermission(SettingsProvider.java:2374)
at com.android.providers.settings.SettingsProvider.mu tateGlobalSetting(SettingsProvider.java:1413)
at com.android.providers.settings.SettingsProvider.in sertGlobalSetting(SettingsProvider.java:1367)
at com.android.providers.settings.SettingsProvider.ca ll(SettingsProvider.java:501)
at android.content.ContentProvider.call(ContentProvid er.java:2448)
at android.content.ContentProvider$Transport.call(Con tentProvider.java:517)
at com.android.providers.settings.SettingsService$MyS hellCommand.putForUser(SettingsService.java:375)
at com.android.providers.settings.SettingsService$MyS hellCommand.onCommand(SettingsService.java:277)
at android.os.BasicShellCommandHandler.exec(BasicShel lCommandHandler.java:98)
at android.os.ShellCommand.exec(ShellCommand.java:44)
at com.android.providers.settings.SettingsService.onS hellCommand(SettingsService.java:49)
at android.os.Binder.shellCommand(Binder.java:936)
at android.os.Binder.onTransact(Binder.java:820)
at android.os.Binder.execTransactInternal(Binder.java :1166)
at android.os.Binder.execTransact(Binder.java:1130)