Activity scoped listeners

Author: samtstern

config/app/src/main/java/com/google/samples/quickstart/config/MainActivity.java

@@ -113,7 +113,7 @@ private void fetchDiscount() {
         // more than cacheExpiration seconds ago. Thus the next fetch would go to the server unless
         // throttling is in progress. The default expiration duration is 43200 (12 hours).
         mFirebaseRemoteConfig.fetch(cacheExpiration)
-                .addOnCompleteListener(new OnCompleteListener<Void>() {
+                .addOnCompleteListener(this, new OnCompleteListener<Void>() {
                     @Override
                     public void onComplete(@NonNull Task<Void> task) {
                         if (task.isSuccessful()) {

database/app/src/main/java/com/google/firebase/quickstart/database/SignInActivity.java

@@ -71,7 +71,7 @@ private void signIn() {
         String password = mPasswordField.getText().toString();
 
         mAuth.signInWithEmailAndPassword(email, password)
-                .addOnCompleteListener(new OnCompleteListener<AuthResult>() {
+                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                     @Override
                     public void onComplete(@NonNull Task<AuthResult> task) {
                         Log.d(TAG, "signIn:onComplete:" + task.isSuccessful());
@@ -98,7 +98,7 @@ private void signUp() {
         String password = mPasswordField.getText().toString();
 
         mAuth.createUserWithEmailAndPassword(email, password)
-                .addOnCompleteListener(new OnCompleteListener<AuthResult>() {
+                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                     @Override
                     public void onComplete(@NonNull Task<AuthResult> task) {
                         Log.d(TAG, "createUser:onComplete:" + task.isSuccessful());