FDL getDynamicLink(Intent) method to accept null intent to be in sync with the documentation and since the intent is not a must parameter to derive the pending FDL. (#2629)

Author: eldhosembabu

firebase-dynamic-links/src/main/java/com/google/firebase/dynamiclinks/FirebaseDynamicLinks.java

@@ -18,6 +18,7 @@
 import android.content.Intent;
 import android.net.Uri;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import com.google.android.gms.tasks.OnCompleteListener;
 import com.google.android.gms.tasks.OnFailureListener;
 import com.google.android.gms.tasks.OnSuccessListener;
@@ -99,7 +100,7 @@ public static synchronized FirebaseDynamicLinks getInstance(@NonNull FirebaseApp
    * <p>If a dynamic link, the call will also send FirebaseAnalytics dynamic link event.
    */
   @NonNull
-  public abstract Task<PendingDynamicLinkData> getDynamicLink(@NonNull Intent intent);
+  public abstract Task<PendingDynamicLinkData> getDynamicLink(@Nullable Intent intent);
 
   /**
    * Determine if the app has a pending dynamic link and provide access to the dynamic link

firebase-dynamic-links/src/main/java/com/google/firebase/dynamiclinks/internal/FirebaseDynamicLinksImpl.java

@@ -104,15 +104,20 @@ public PendingDynamicLinkData getPendingDynamicLinkData(@NonNull Intent intent)
   }
 
   @Override
-  public Task<PendingDynamicLinkData> getDynamicLink(@NonNull final Intent intent) {
+  public Task<PendingDynamicLinkData> getDynamicLink(@Nullable final Intent intent) {
+    String dynamicLinkDataString = intent != null ? intent.getDataString() : null;
     Task<PendingDynamicLinkData> result =
-        googleApi.doWrite(new GetDynamicLinkImpl(analytics, intent.getDataString()));
-    PendingDynamicLinkData pendingDynamicLinkData = getPendingDynamicLinkData(intent);
-    if (pendingDynamicLinkData != null) {
-      // DynamicLinkData included in the Intent, return it immediately and allow the Task to run in
-      // the background to do logging and mark the FDL as returned.
-      result = Tasks.forResult(pendingDynamicLinkData);
+        googleApi.doWrite(new GetDynamicLinkImpl(analytics, dynamicLinkDataString));
+
+    if (intent != null) {
+      PendingDynamicLinkData pendingDynamicLinkData = getPendingDynamicLinkData(intent);
+      if (pendingDynamicLinkData != null) {
+        // DynamicLinkData included in the Intent, return it immediately and allow the Task to run
+        // in the background to do logging and mark the FDL as returned.
+        result = Tasks.forResult(pendingDynamicLinkData);
+      }
     }
+
     return result;
   }
 

firebase-dynamic-links/src/test/java/com/google/firebase/dynamiclinks/internal/FirebaseDynamicLinksImplTest.java

@@ -159,6 +159,13 @@ public void testGetDynamicLink_Intent() {
         .doWrite(ArgumentMatchers.<TaskApiCall<DynamicLinksClient, PendingDynamicLinkData>>any());
   }
 
+  @Test
+  public void testGetDynamicLink_NullIntent() {
+    api.getDynamicLink((Intent) null);
+    verify(mockGoogleApi)
+        .doWrite(ArgumentMatchers.<TaskApiCall<DynamicLinksClient, PendingDynamicLinkData>>any());
+  }
+
   @Test
   public void testGetDynamicLink_IntentWithDynamicLinkData() {
     Bundle extensions = new Bundle();