Unique name of android phone

Question

I want to get a unique name or id of the android phone by using the following :

String uniqueID = android.provider.Settings.Secure.getString(getContentResolver(),
    android.provider.Settings.Secure.ANDROID_ID);

but it is return null , i do not know what is the problem .
Any help?

dbyrne · Accepted Answer · 2011-03-14 19:20:00Z

1

Personally, I wouldn't use ANDROID_ID. It's been known to be null sometimes and it can change after a factory reset. The device id on the other hand is always non-null (in my experience at least), and unique.

You can add this code to your Activity to retrieve the unique device id of the phone:

TelephonyManager tm =
  (TelephonyManager)this.getSystemService(Context.TELEPHONY_SERVICE);

String device = tm.getDeviceId();

edited Mar 14, 2011 at 19:20

answered Mar 14, 2011 at 19:14

dbyrne

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2 Comments

Robby Pond Over a year ago

That will also require the READ_PHONE_STATE permission. developer.android.com/reference/android/…

EboMike Over a year ago

Keep in mind that this won't work on a phone without a radio, like a WiFi-only tablet.

SARATH V · Accepted Answer · 2017-08-23 12:07:49Z

0

Try it with context,

String m_androidId = Settings.Secure.getString(getApplicationContext().getContentResolver(), Settings.Secure.ANDROID_ID);

answered Aug 23, 2017 at 12:07

SARATH V

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