update firestore version and add imports

Author: thatfiredev

firestore/app/build.gradle

@@ -39,7 +39,7 @@ dependencies {
     implementation 'androidx.multidex:multidex:2.0.1'
 
     // Firestore
-    implementation "com.google.firebase:firebase-firestore-ktx:24.3.0"
+    implementation "com.google.firebase:firebase-firestore-ktx:24.4.0"
 
     // Firebase / Play Services
     implementation "com.google.firebase:firebase-auth:21.0.8"

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

@@ -12,6 +12,9 @@
 import com.google.android.gms.tasks.Task;
 import com.google.android.gms.tasks.Tasks;
 import com.google.firebase.Timestamp;
+import com.google.firebase.firestore.AggregateQuery;
+import com.google.firebase.firestore.AggregateQuerySnapshot;
+import com.google.firebase.firestore.AggregateSource;
 import com.google.firebase.firestore.CollectionReference;
 import com.google.firebase.firestore.DocumentChange;
 import com.google.firebase.firestore.DocumentChange.Type;
@@ -1364,7 +1367,7 @@ public void onComplete(@NonNull Task<Void> task) {}
 
     public void countAggregateCollection() {
         // [START count_aggregate_collection]
-        Query query = db.collection("cities")
+        Query query = db.collection("cities");
         AggregateQuery countQuery = query.count();
         countQuery.get(AggregateSource.SERVER).addOnCompleteListener(new OnCompleteListener<AggregateQuerySnapshot>() {
             @Override

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

@@ -7,6 +7,7 @@ import androidx.annotation.WorkerThread
 import com.google.android.gms.tasks.Task
 import com.google.android.gms.tasks.Tasks
 import com.google.firebase.Timestamp
+import com.google.firebase.firestore.AggregateSource
 import com.google.firebase.firestore.CollectionReference
 import com.google.firebase.firestore.DocumentChange
 import com.google.firebase.firestore.DocumentSnapshot
@@ -1144,7 +1145,6 @@ abstract class DocSnippets(val db: FirebaseFirestore) {
                 Log.d(TAG, "Count failed: ", task.getException())
             }
         }
-        
         // [END count_aggregate_collection]
     }
 
@@ -1161,7 +1161,6 @@ abstract class DocSnippets(val db: FirebaseFirestore) {
                 Log.d(TAG, "Count failed: ", task.getException())
             }
         }
-        
         // [END count_aggregate_query]
     }
 }