How to implement referral program in mobile Apps for both Android and iPhone

Question

We have a mobile app that\'s available in both Google Play Store and Apple AppStore, we want to implement a referral program to get more users to install and use our App.

Answer 1

Gradle File

 implementation 'com.android.installreferrer:installreferrer:1.0'

PUT CODE IN ACTIVITY WHERE IT NEED TO RECIEVE REFFERAL CODE

 InstallReferrerClient mReferrerClient;

 mReferrerClient = InstallReferrerClient.newBuilder(this).build();

 mReferrerClient.startConnection(new InstallReferrerStateListener() {
 @Override
 public void onInstallReferrerSetupFinished(int responseCode) {
            switch (responseCode) {
                case InstallReferrerClient.InstallReferrerResponse.OK:
                    // Connection established
                    try {
                        ReferrerDetails response = 
 mReferrerClient.getInstallReferrer();
                        if (!response.getInstallReferrer().contains("utm_source"))
                            edtPRferelCode.setText("" + 
 response.getInstallReferrer());
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                    mReferrerClient.endConnection();
                    break;
                case 
 InstallReferrerClient.InstallReferrerResponse.FEATURE_NOT_SUPPORTED:
                    // API not available on the current Play Store app
                    break;
                case 
 InstallReferrerClient.InstallReferrerResponse.SERVICE_UNAVAILABLE:
                    // Connection could not be established
                    break;
            }
        }

        @Override
        public void onInstallReferrerServiceDisconnected() {
            // Try to restart the connection on the next request to
            // Google Play by calling the startConnection() method.
        }
    });

SHARE LINK EXAMPLE

https://play.google.com/store/apps/details?id=com.yourpackage&referrer=9BE46300