Google Play Referrer API Sample
- https://developer.android.com/google/play/installreferrer/library.html
- https://android-developers.googleblog.com/2017/11/google-play-referrer-api-track-and.html
- http://blog.techium.jp/entry/2017/11/28/100000_1
- API works with the Play Store app from version 8.3.73 and later for all developers.
- InstallReferrerClientImplの処理が重要
- ReferrerDetailsから取得できる値はBundleから取り出してる
InstallReferrerClientImpl
// Version 8.3.73 - U_MR_Release
private static final int PLAY_STORE_MIN_APP_VER = 80837300;
private static final String SERVICE_PACKAGE_NAME = "com.android.vending";
private static final String SERVICE_NAME =
"com.google.android.finsky.externalreferrer.GetInstallReferrerService";
private static final String SERVICE_ACTION_NAME =
"com.google.android.finsky.BIND_GET_INSTALL_REFERRER_SERVICE";