How to get the device's IMEI/ESN programmatically in android?

Question

To identify each devices uniquely I would like to use the IMEI (or ESN number for CDMA devices). How to access this programmatically?

Answer 1

In addition to the answer of Trevor Johns, you can use this as follows:

TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
telephonyManager.getDeviceId();

And you should add the following permission into your Manifest.xml file:

In emulator, you'll probably get a like a "00000..." value. getDeviceId() returns NULL if device ID is not available.