package com.google.firebase.quickstart.dynamiclinks;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.firebase.auth.AuthCredential;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.EmailAuthProvider;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ServerValue;
import com.google.firebase.dynamiclinks.DynamicLink;
import com.google.firebase.dynamiclinks.FirebaseDynamicLinks;
import com.google.firebase.dynamiclinks.PendingDynamicLinkData;
import com.google.firebase.dynamiclinks.ShortDynamicLink;
/**
* Snippets for the "rewarded referral" use case.
*/
public class ReferralActivity extends AppCompatActivity {
private Uri mInvitationUrl;
public void createLink() {
// [START ddl_referral_create_link]
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
String uid = user.getUid();
String link = "https://mygame.example.com/?invitedby=" + uid;
FirebaseDynamicLinks.getInstance().createDynamicLink()
.setLink(Uri.parse(link))
.setDomainUriPrefix("https://example.page.link")
.setAndroidParameters(
new DynamicLink.AndroidParameters.Builder("com.example.android")
.setMinimumVersion(125)
.build())
.setIosParameters(
new DynamicLink.IosParameters.Builder("com.example.ios")
.setAppStoreId("123456789")
.setMinimumVersion("1.0.1")
.build())
.buildShortDynamicLink()
.addOnSuccessListener(new OnSuccessListener<ShortDynamicLink>() {
@Override
public void onSuccess(ShortDynamicLink shortDynamicLink) {
mInvitationUrl = shortDynamicLink.getShortLink();
// ...
}
});
// [END ddl_referral_create_link]
}
public void sendInvitation() {
// [START ddl_referral_send]
String referrerName = FirebaseAuth.getInstance().getCurrentUser().getDisplayName();
String subject = String.format("%s wants you to play MyExampleGame!", referrerName);
String invitationLink = mInvitationUrl.toString();
String msg = "Let's play MyExampleGame together! Use my referrer link: "
+ invitationLink;
String msgHtml = String.format("<p>Let's play MyExampleGame together! Use my "
+ "<a href=\"%s\">referrer link</a>!</p>", invitationLink);
Intent intent = new Intent(Intent.ACTION_SENDTO);
intent.setData(Uri.parse("mailto:")); // only email apps should handle this
intent.putExtra(Intent.EXTRA_SUBJECT, subject);
intent.putExtra(Intent.EXTRA_TEXT, msg);
intent.putExtra(Intent.EXTRA_HTML_TEXT, msgHtml);
if (intent.resolveActivity(getPackageManager()) != null) {
startActivity(intent);
}
// [END ddl_referral_send]
}
// [START ddl_referral_on_create]
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// ...
FirebaseDynamicLinks.getInstance()
.getDynamicLink(getIntent())
.addOnSuccessListener(this, new OnSuccessListener<PendingDynamicLinkData>() {
@Override
public void onSuccess(PendingDynamicLinkData pendingDynamicLinkData) {
// Get deep link from result (may be null if no link is found)
Uri deepLink = null;
if (pendingDynamicLinkData != null) {
deepLink = pendingDynamicLinkData.getLink();
}
//
// If the user isn't signed in and the pending Dynamic Link is
// an invitation, sign in the user anonymously, and record the
// referrer's UID.
//
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
if (user == null
&& deepLink != null
&& deepLink.getBooleanQueryParameter("invitedby", false)) {
String referrerUid = deepLink.getQueryParameter("invitedby");
createAnonymousAccountWithReferrerInfo(referrerUid);
}
}
});
}
private void createAnonymousAccountWithReferrerInfo(final String referrerUid) {
FirebaseAuth.getInstance()
.signInAnonymously()
.addOnSuccessListener(new OnSuccessListener<AuthResult>() {
@Override
public void onSuccess(AuthResult authResult) {
// Keep track of the referrer in the RTDB. Database calls
// will depend on the structure of your app's RTDB.
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
DatabaseReference userRecord =
FirebaseDatabase.getInstance().getReference()
.child("users")
.child(user.getUid());
userRecord.child("referred_by").setValue(referrerUid);
}
});
}
// [END ddl_referral_on_create]
public void getCredential(String email, String password) {
// [START ddl_referral_get_cred]
AuthCredential credential = EmailAuthProvider.getCredential(email, password);
// [END ddl_referral_get_cred]
}
public void linkCredential(AuthCredential credential) {
// [START ddl_referral_link_cred]
FirebaseAuth.getInstance().getCurrentUser()
.linkWithCredential(credential)
.addOnSuccessListener(new OnSuccessListener<AuthResult>() {
@Override
public void onSuccess(AuthResult authResult) {
// Complete any post sign-up tasks here.
}
});
// [END ddl_referral_link_cred]
}
public void rewardUser(AuthCredential credential) {
// [START ddl_referral_reward_user]
FirebaseAuth.getInstance().getCurrentUser()
.linkWithCredential(credential)
.addOnSuccessListener(new OnSuccessListener<AuthResult>() {
@Override
public void onSuccess(AuthResult authResult) {
// Complete any post sign-up tasks here.
// Trigger the sign-up reward function by creating the
// "last_signin_at" field. (If this is a value you want to track,
// you would also update this field in the success listeners of
// your Firebase Authentication signIn calls.)
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
DatabaseReference userRecord =
FirebaseDatabase.getInstance().getReference()
.child("users")
.child(user.getUid());
userRecord.child("last_signin_at").setValue(ServerValue.TIMESTAMP);
}
});
// [END ddl_referral_reward_user]
}
}
