Hide provider from this list if autofill provider

Since we are merging the two lists we should
hide the provider from this list to avoid
duplicates.

Test: local & unit
Bug: 279205251
Change-Id: I70ec4a4bda13bdcd5fd8f82f6ba6045e94d5daa9

src/com/android/settings/applications/credentials/CredentialManagerPreferenceController.java

@@ -340,6 +340,21 @@ public class CredentialManagerPreferenceController extends BasePreferenceControl
     @VisibleForTesting
     public Map<ServiceInfo, SwitchPreference> buildPreferenceList(
             Context context, PreferenceGroup group) {
+        // Group the services by package name.
+        Map<String, List<CredentialProviderInfo>> groupedInfos = new HashMap<>();
+        for (CredentialProviderInfo cpi : mServices) {
+            String packageName = cpi.getServiceInfo().packageName;
+            if (isProviderHiddenBecauseOfAutofill(packageName)) {
+                continue;
+            }
+
+            if (!groupedInfos.containsKey(packageName)) {
+                groupedInfos.put(packageName, new ArrayList<>());
+            }
+
+            groupedInfos.get(packageName).add(cpi);
+        }
+
         // Build the pref list.
         Map<ServiceInfo, SwitchPreference> output = new HashMap<>();
         for (CredentialProviderInfo service : mServices) {
@@ -519,6 +534,23 @@ public class CredentialManagerPreferenceController extends BasePreferenceControl
         return new NewProviderConfirmationDialogFragment(host, service, appName);
     }
 
+    /** If the provider is also the autofill provider then hide it. */
+    @VisibleForTesting
+    public boolean isProviderHiddenBecauseOfAutofill(String packageName) {
+        final String autofillService = Settings.Secure.getStringForUser(
+                mContext.getContentResolver(),
+                Settings.Secure.AUTOFILL_SERVICE,
+                getUser());
+        if (autofillService == null || TextUtils.isEmpty(autofillService)) {
+            return false;
+        }
+        if (packageName == null || TextUtils.isEmpty(packageName)) {
+            return false;
+        }
+
+        return autofillService.startsWith(packageName);
+    }
+
     @VisibleForTesting
     void completeEnableProviderDialogBox(int whichButton, ServiceInfo service, boolean setActivityResult) {
         int activityResult = -1;

tests/unit/src/com/android/settings/applications/credentials/CredentialManagerPreferenceControllerTest.java

@@ -120,6 +120,25 @@ public class CredentialManagerPreferenceControllerTest {
         assertThat(controller.getAvailabilityStatus()).isEqualTo(AVAILABLE);
     }
 
+    @Test
+    public void verifyHiddenIfAutofillSelectedProvider() {
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Collections.emptyList());
+
+        // Set the autofill provider.
+        Settings.Secure.putStringForUser(mContext.getContentResolver(),
+                Settings.Secure.AUTOFILL_SERVICE, "com.example.test/AutofillClass",
+                UserHandle.myUserId());
+
+        // Verify the error cases
+        assertThat(controller.isProviderHiddenBecauseOfAutofill(null)).isFalse();
+        assertThat(controller.isProviderHiddenBecauseOfAutofill("")).isFalse();
+        assertThat(controller.isProviderHiddenBecauseOfAutofill("test")).isFalse();
+
+        // Verify the example.
+        assertThat(controller.isProviderHiddenBecauseOfAutofill("com.example.test")).isTrue();
+    }
+
     @Test
     public void displayPreference_noServices_noPreferencesAdded_useAutofillUri() {
         Settings.Secure.putStringForUser(