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Android TelephonyManager Tutorial

The android.telephony.TelephonyManager class provides information about the telephony services such as subscriber id, sim serial number, phone network type etc. Moreover, you can determine the phone state etc.

Android TelephonyManager Example

Let's see the simple example of TelephonyManager that prints information of the telephony services.

activity_main.xml

Drag one textview from the pallete, now the xml file will look like this.

File: activity_main.xml

Activity class

Now, write the code to display the information about the telephony services.

File: MainActivity.java

AndroidManifest.xml

You need to provide READ_PHONE_STATE permission in the AndroidManifest.xml file.

File: AndroidManifest.xml


Output:

android telephony manager example output 1





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