Getting the IMEI ID null from the telephonymanager. What to do?

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Getting the IMEI ID null from the telephonymanager. What to do?

26 Mar 2021
KINGSN
Android Studio

I am getting the IMEI ID null from the telephonymanager. What to do?

is there any workaround for that?

IF YOU HAVE THIS PROBLEM THEN HERE IS THE SOLUTION

Android Q has restricted to access for both IMEI and serial no. It is available only for platform and apps with special carrier permission. Also the permission READ_PRIVILEGED_PHONE_STATE is not available for non platform apps.

If you try to access it throws below exception

java.lang.SecurityException: getImeiForSlot

The user 10180 does not meet the requirements to access device identifiers


This just would not work as of Android Q. Third party apps can not use IMEI nor the serial number of a phone and other non-resettable device identifiers.
The only permissions that are able to use those is READ_PRIVILEGED_PHONE_STATE and that cannot be used by any third party apps - Manufacture and Software Applications. If you use that method you will get an error Security exception or get null .
You can still try to get a unique id by using:
import android.provider.Settings.Secure;

private String android_id =Secure.getString(getContext().getContentResolver(),Secure.ANDROID_ID);

My method of Getting Android Id

private String GetDeviceID(){
    TelephonyManager tm=(TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
    String deviceID = null;
    int readIMEI= ContextCompat.checkSelfPermission(this,
            Manifest.permission.READ_PHONE_STATE);
    if(deviceID == null) {
        if (readIMEI == PackageManager.PERMISSION_GRANTED) {
            deviceID = android.provider.Settings.Secure.getString(this.getContentResolver(), android.provider.Settings.Secure.ANDROID_ID);
        }
    }
    return deviceID;
}