How do I programmatically access the value shown in the image below ?
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This is the hardware serial number. To access it on
Android Q (>= SDK 29)
android.Manifest.permission.READ_PRIVILEGED_PHONE_STATEis required. Only system apps can require this permission. If the calling package is the device or profile owner then theREAD_PHONE_STATEpermission suffices.Android 8 and later (>= SDK 26) use
android.os.Build.getSerial()which requires the dangerous permission READ_PHONE_STATE. Usingandroid.os.Build.SERIALreturns android.os.Build.UNKNOWN.Android 7.1 and earlier (<= SDK 25) and earlier
android.os.Build.SERIALdoes return a valid serial.It’s unique for any device. If you are looking for possibilities on how to get/use a unique device id you should read here.
For a solution involving reflection without requiring a permission see this answer.