Play इंस्टॉल की रेफ़रर लाइब्रेरी

dependencies {
    ...
    implementation "com.android.installreferrer:installreferrer:2.2"
}

dependencies {
    ...
    implementation("com.android.installreferrer:installreferrer:2.2")
}

private lateinit var referrerClient: InstallReferrerClient

referrerClient = InstallReferrerClient.newBuilder(this).build()
referrerClient.startConnection(object : InstallReferrerStateListener {

    override fun onInstallReferrerSetupFinished(responseCode: Int) {
        when (responseCode) {
            InstallReferrerResponse.OK -> {
                // Connection established.
            }
            InstallReferrerResponse.FEATURE_NOT_SUPPORTED -> {
                // API not available on the current Play Store app.
            }
            InstallReferrerResponse.SERVICE_UNAVAILABLE -> {
                // Connection couldn't be established.
            }
        }
    }

    override fun onInstallReferrerServiceDisconnected() {
        // Try to restart the connection on the next request to
        // Google Play by calling the startConnection() method.
    }
})

InstallReferrerClient referrerClient;

referrerClient = InstallReferrerClient.newBuilder(this).build();
referrerClient.startConnection(new InstallReferrerStateListener() {
    @Override
    public void onInstallReferrerSetupFinished(int responseCode) {
        switch (responseCode) {
            case InstallReferrerResponse.OK:
                // Connection established.
                break;
            case InstallReferrerResponse.FEATURE_NOT_SUPPORTED:
                // API not available on the current Play Store app.
                break;
            case InstallReferrerResponse.SERVICE_UNAVAILABLE:
                // Connection couldn't be established.
                break;
        }
    }

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

val response: ReferrerDetails = referrerClient.installReferrer
val referrerUrl: String = response.installReferrer
val referrerClickTime: Long = response.referrerClickTimestampSeconds
val appInstallTime: Long = response.installBeginTimestampSeconds
val instantExperienceLaunched: Boolean = response.googlePlayInstantParam

ReferrerDetails response = referrerClient.getInstallReferrer();
String referrerUrl = response.getInstallReferrer();
long referrerClickTime = response.getReferrerClickTimestampSeconds();
long appInstallTime = response.getInstallBeginTimestampSeconds();
boolean instantExperienceLaunched = response.getGooglePlayInstantParam();