Mark username megaphone completion after hitting continue.

app/src/main/java/org/thoughtcrime/securesms/dependencies/ApplicationDependencyProvider.java

@@ -1,5 +1,6 @@
 package org.thoughtcrime.securesms.dependencies;
 
+import android.annotation.SuppressLint;
 import android.app.Application;
 import android.os.Handler;
 import android.os.HandlerThread;
@@ -191,6 +192,7 @@ public class ApplicationDependencyProvider implements ApplicationDependencies.Pr
     return new FrameRateTracker(context);
   }
 
+  @SuppressLint("DiscouragedApi")
   public @NonNull MegaphoneRepository provideMegaphoneRepository() {
     return new MegaphoneRepository(context);
   }

app/src/main/java/org/thoughtcrime/securesms/megaphone/MegaphoneRepository.java

@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms.megaphone;
 import android.app.Application;
 
 import androidx.annotation.AnyThread;
+import androidx.annotation.Discouraged;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.WorkerThread;
@@ -34,6 +35,7 @@ public class MegaphoneRepository {
 
   private boolean enabled;
 
+  @Discouraged(message = "Instances of MegaphoneRepository should be accessed via ApplicationDependencies.")
   public MegaphoneRepository(@NonNull Application context) {
     this.context       = context;
     this.executor      = SignalExecutors.SERIAL;

app/src/main/java/org/thoughtcrime/securesms/profiles/manage/UsernameEducationFragment.kt

@@ -7,7 +7,9 @@ import androidx.navigation.fragment.findNavController
 import org.thoughtcrime.securesms.R
 import org.thoughtcrime.securesms.components.ViewBinderDelegate
 import org.thoughtcrime.securesms.databinding.UsernameEducationFragmentBinding
+import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
 import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.megaphone.Megaphones
 import org.thoughtcrime.securesms.util.navigation.safeNavigate
 
 /**
@@ -28,6 +30,7 @@ class UsernameEducationFragment : Fragment(R.layout.username_education_fragment)
 
     binding.continueButton.setOnClickListener {
       SignalStore.uiHints().markHasSeenUsernameEducation()
+      ApplicationDependencies.getMegaphoneRepository().markFinished(Megaphones.Event.SET_UP_YOUR_USERNAME)
       findNavController().safeNavigate(UsernameEducationFragmentDirections.actionUsernameEducationFragmentToUsernameManageFragment())
     }
   }