in Android/app/src/main/java/com/example/samplestickerapp/AddStickerPackActivity.java [119:133]
private void launchWhatsAppPlayStorePage() {
if (getActivity() != null) {
final PackageManager packageManager = getActivity().getPackageManager();
final boolean whatsAppInstalled = WhitelistCheck.isPackageInstalled(WhitelistCheck.CONSUMER_WHATSAPP_PACKAGE_NAME, packageManager);
final boolean smbAppInstalled = WhitelistCheck.isPackageInstalled(WhitelistCheck.SMB_WHATSAPP_PACKAGE_NAME, packageManager);
final String playPackageLinkPrefix = "http://play.google.com/store/apps/details?id=";
if (whatsAppInstalled && smbAppInstalled) {
launchPlayStoreWithUri("https://play.google.com/store/apps/developer?id=WhatsApp+LLC");
} else if (whatsAppInstalled) {
launchPlayStoreWithUri(playPackageLinkPrefix + WhitelistCheck.CONSUMER_WHATSAPP_PACKAGE_NAME);
} else if (smbAppInstalled) {
launchPlayStoreWithUri(playPackageLinkPrefix + WhitelistCheck.SMB_WHATSAPP_PACKAGE_NAME);
}
}
}