Get Phone number of android mobile device - Android native code to Unity c#

Questions & Answers
1

Hi, everyone. I am working on integration that will allow users to pay for in-game items using their credit and i need their phone numbers as part of the authentication process. I know that I need to do the following in android native code to get the phone number

Code

TelephonyManager telephonyManager (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
String mMobileNo =  telephonyManager.getLine1Number();

Add following permission in AndroidManifest.xml

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

But how do I implement this in unity? Any help would be amazing thanks.

2

Unity IAP should handle all of your needs but it might not be straight forward if this is your first time implementing custom IAPs via Unity.
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“With Unity IAP, setting up in-app purchases across iOS, Mac, Google Play, Windows and other app stores has never been easier. You can enable in-app purchases across multiple stores with a single unified API. Once enabled, you get the insight you need to fully understand and optimize your in-game economy.”
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https://unity3d.com/unity/features/iap
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3

Thanks for the reply but I have already integrated unity IAP. What we are working on is a solution for, markets with low credit card penetration. Let me know if you have any insight on how to implement what I asked

4

First, you would need to request the permission of the user:

Some people have successfully obtained the Android TelephonyManager data from Unity:
https://forum.unity.com/threads/solved-android-library-plugin-and-getsimserialnumber.344084/

However, this requires mixing java and unity, and is in general an invasive technique, that will displease users with multiple phone numbers.

Just ask the damn user for their phone numbers.