refactor(analytics, firestore, mlkit): fix deprecation warnings

analytics/app/src/main/java/com/google/firebase/example/analytics/MainActivity.java

@@ -260,7 +260,7 @@ public void onAdRevenuePaid(MaxAd impressionData) {
         Bundle params = new Bundle();
         params.putString(FirebaseAnalytics.Param.AD_PLATFORM, "appLovin");
         params.putString(FirebaseAnalytics.Param.AD_SOURCE, impressionData.getNetworkName());
-        params.putString(FirebaseAnalytics.Param.AD_FORMAT, impressionData.getFormat().getDisplayName());
+        params.putString(FirebaseAnalytics.Param.AD_FORMAT, impressionData.getFormat().getLabel());
         params.putString(FirebaseAnalytics.Param.AD_UNIT_NAME, impressionData.getAdUnitId());
         params.putDouble(FirebaseAnalytics.Param.VALUE, revenue);
         params.putString(FirebaseAnalytics.Param.CURRENCY, "USD"); // All Applovin revenue is sent in USD

analytics/app/src/main/java/com/google/firebase/example/analytics/kotlin/MainActivity.kt

@@ -272,7 +272,7 @@ class MainActivity :
             firebaseAnalytics.logEvent(FirebaseAnalytics.Event.AD_IMPRESSION) {
                 param(FirebaseAnalytics.Param.AD_PLATFORM, "appLovin")
                 param(FirebaseAnalytics.Param.AD_UNIT_NAME, impressionData.adUnitId)
-                param(FirebaseAnalytics.Param.AD_FORMAT, impressionData.format.displayName)
+                param(FirebaseAnalytics.Param.AD_FORMAT, impressionData.format.label)
                 param(FirebaseAnalytics.Param.AD_SOURCE, impressionData.networkName)
                 param(FirebaseAnalytics.Param.VALUE, impressionData.revenue)
                 param(FirebaseAnalytics.Param.CURRENCY, "USD") // All Applovin revenue is sent in USD

firestore/app/src/main/java/com/google/example/firestore/DocSnippets.java

@@ -122,16 +122,6 @@ void runAll() {
         }
     }
 
-
-    void deleteAll() {
-        deleteCollection("cities");
-        deleteCollection("users");
-    }
-
-    private void deleteCollection(final String path) {
-        deleteCollection(db.collection(path), 50, EXECUTOR);
-    }
-
     public void setup() {
         // [START get_firestore_instance]
         FirebaseFirestore db = FirebaseFirestore.getInstance();
@@ -1212,63 +1202,6 @@ public void onSuccess(QuerySnapshot queryDocumentSnapshots) {
         // [END fs_collection_group_query]
     }
 
-    // [START delete_collection]
-    /**
-     * Delete all documents in a collection. Uses an Executor to perform work on a background
-     * thread. This does *not* automatically discover and delete subcollections.
-     */
-    private Task<Void> deleteCollection(final CollectionReference collection,
-                                        final int batchSize,
-                                        Executor executor) {
-
-        // Perform the delete operation on the provided Executor, which allows us to use
-        // simpler synchronous logic without blocking the main thread.
-        return Tasks.call(executor, new Callable<Void>() {
-            @Override
-            public Void call() throws Exception {
-                // Get the first batch of documents in the collection
-                Query query = collection.orderBy(FieldPath.documentId()).limit(batchSize);
-
-                // Get a list of deleted documents
-                List<DocumentSnapshot> deleted = deleteQueryBatch(query);
-
-                // While the deleted documents in the last batch indicate that there
-                // may still be more documents in the collection, page down to the
-                // next batch and delete again
-                while (deleted.size() >= batchSize) {
-                    // Move the query cursor to start after the last doc in the batch
-                    DocumentSnapshot last = deleted.get(deleted.size() - 1);
-                    query = collection.orderBy(FieldPath.documentId())
-                            .startAfter(last.getId())
-                            .limit(batchSize);
-
-                    deleted = deleteQueryBatch(query);
-                }
-
-                return null;
-            }
-        });
-
-    }
-
-    /**
-     * Delete all results from a query in a single WriteBatch. Must be run on a worker thread
-     * to avoid blocking/crashing the main thread.
-     */
-    @WorkerThread
-    private List<DocumentSnapshot> deleteQueryBatch(final Query query) throws Exception {
-        QuerySnapshot querySnapshot = Tasks.await(query.get());
-
-        WriteBatch batch = query.getFirestore().batch();
-        for (QueryDocumentSnapshot snapshot : querySnapshot) {
-            batch.delete(snapshot.getReference());
-        }
-        Tasks.await(batch.commit());
-
-        return querySnapshot.getDocuments();
-    }
-    // [END delete_collection]
-
     public void toggleOffline() {
         // [START disable_network]
         db.disableNetwork()

firestore/app/src/main/java/com/google/example/firestore/MainActivity.java

@@ -7,6 +7,7 @@
 import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
+import android.widget.Toast;
 
 import com.google.android.gms.tasks.OnCompleteListener;
 import com.google.android.gms.tasks.OnFailureListener;
@@ -85,24 +86,8 @@ public void onFailure(@NonNull Exception e) {
     }
 
     private void onDeleteAllClicked() {
-        FirebaseAuth.getInstance()
-                .signInAnonymously()
-                .addOnSuccessListener(this, new OnSuccessListener<AuthResult>() {
-                    @Override
-                    public void onSuccess(AuthResult authResult) {
-                        Log.d(TAG, "auth:onSuccess");
-
-                        // Delete
-                        DocSnippets docSnippets = new DocSnippets(mFirestore);
-                        docSnippets.deleteAll();
-                    }
-                })
-                .addOnFailureListener(this, new OnFailureListener() {
-                    @Override
-                    public void onFailure(@NonNull Exception e) {
-                        Log.d(TAG, "auth:onFailure", e);
-                    }
-                });
+        // See: https://firebase.google.com/docs/firestore/manage-data/delete-data#collections
+        Toast.makeText(this, "Deleting all is no longer supported", Toast.LENGTH_LONG).show();
     }
 
     @Override

firestore/app/src/main/java/com/google/example/firestore/kotlin/DocSnippets.kt

@@ -1001,62 +1001,6 @@ abstract class DocSnippets(val db: FirebaseFirestore) {
         // [END fs_collection_group_query]
     }
 
-    // [START delete_collection]
-    /**
-     * Delete all documents in a collection. Uses an Executor to perform work on a background
-     * thread. This does *not* automatically discover and delete subcollections.
-     */
-    private fun deleteCollection(
-        collection: CollectionReference,
-        batchSize: Int,
-        executor: Executor
-    ): Task<Void> {
-
-        // Perform the delete operation on the provided Executor, which allows us to use
-        // simpler synchronous logic without blocking the main thread.
-        return Tasks.call(executor, Callable<Void> {
-            // Get the first batch of documents in the collection
-            var query = collection.orderBy(FieldPath.documentId()).limit(batchSize.toLong())
-
-            // Get a list of deleted documents
-            var deleted = deleteQueryBatch(query)
-
-            // While the deleted documents in the last batch indicate that there
-            // may still be more documents in the collection, page down to the
-            // next batch and delete again
-            while (deleted.size >= batchSize) {
-                // Move the query cursor to start after the last doc in the batch
-                val last = deleted[deleted.size - 1]
-                query = collection.orderBy(FieldPath.documentId())
-                        .startAfter(last.id)
-                        .limit(batchSize.toLong())
-
-                deleted = deleteQueryBatch(query)
-            }
-
-            null
-        })
-    }
-
-    /**
-     * Delete all results from a query in a single WriteBatch. Must be run on a worker thread
-     * to avoid blocking/crashing the main thread.
-     */
-    @WorkerThread
-    @Throws(Exception::class)
-    private fun deleteQueryBatch(query: Query): List<DocumentSnapshot> {
-        val querySnapshot = Tasks.await(query.get())
-
-        val batch = query.firestore.batch()
-        for (snapshot in querySnapshot) {
-            batch.delete(snapshot.reference)
-        }
-        Tasks.await(batch.commit())
-
-        return querySnapshot.documents
-    }
-    // [END delete_collection]
-
     fun toggleOffline() {
         // [START disable_network]
         db.disableNetwork().addOnCompleteListener {

settings.gradle

@@ -13,7 +13,6 @@ include ':auth:app',
         ':admob:app',
         ':messaging:app',
         ':crashlytics:app',
-        ':mlkit:app',
         ':perf:app',
         ':test-lab:app',
         ':analytics:app',