How to get the serial number of your Android device

How to get the serial number of your Android device

In Android application development, sometimes we need to obtain the unique identifier of the device, such as the device serial number. The device serial number is a string that can be used to identify a specific Android device. This article will introduce how to get the device serial number in the Android application.

Method 1: Use TelephonyManager class

To get the device serial number, we can use the TelephonyManager class provided by Android. This class provides functions related to mobile phone communication, including obtaining the serial number of the device.

First, add the following permissions in the AndroidManifest.xml file:

<uses-permission android:name="android.permission.READ_PHONE_STATE" />

Then, use the following method in your code to get the device serial number:

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