DO NOT MERGE Live update cred man settings

This CL will enable live update of credential
providers if any are added/removed.

Test: atest
Bug: 264420106
Change-Id: I14804bac17a4efe5eccd3c5824558eace18da186

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

@@ -41,6 +41,8 @@ import android.os.UserHandle;
 import android.provider.DeviceConfig;
 import android.provider.Settings;
 import android.text.TextUtils;
+import com.android.settingslib.utils.ThreadUtils;
+import com.android.internal.content.PackageMonitor;
 import android.util.IconDrawableFactory;
 import android.util.Log;
 
@@ -236,20 +238,11 @@ public class CredentialManagerPreferenceController extends BasePreferenceControl
 
     @OnLifecycleEvent(ON_CREATE)
     void onCreate(LifecycleOwner lifecycleOwner) {
-        if (mCredentialManager == null) {
+        update();
-            return;
-        }
-
-        setAvailableServices(
-                lifecycleOwner,
-                mCredentialManager.getCredentialProviderServices(
-                        getUser(), CredentialManager.PROVIDER_FILTER_USER_PROVIDERS_ONLY),
-                null);
     }
 
     @VisibleForTesting
     void setAvailableServices(
-            LifecycleOwner lifecycleOwner,
             List<CredentialProviderInfo> availableServices,
             String flagOverrideForTest) {
         mFlagOverrideForTest = flagOverrideForTest;
@@ -642,6 +635,40 @@ public class CredentialManagerPreferenceController extends BasePreferenceControl
         void setActivityResult(int resultCode);
     }
 
+    /**
+     * Monitor coming and going credman services and calls {@link #update()} when necessary
+     */
+    private final PackageMonitor mSettingsPackageMonitor = new PackageMonitor() {
+        @Override
+        public void onPackageAdded(String packageName, int uid) {
+            ThreadUtils.postOnMainThread(() -> update());
+        }
+
+        @Override
+        public void onPackageModified(String packageName) {
+            ThreadUtils.postOnMainThread(() -> update());
+        }
+
+        @Override
+        public void onPackageRemoved(String packageName, int uid) {
+            ThreadUtils.postOnMainThread(() -> update());
+        }
+    };
+
+    /**
+     * Update the data in this UI.
+     */
+    private void update() {
+        if (mCredentialManager == null) {
+            return;
+        }
+
+        setAvailableServices(
+                mCredentialManager.getCredentialProviderServices(
+                        getUser(), CredentialManager.PROVIDER_FILTER_USER_PROVIDERS_ONLY),
+                null);
+    }
+
     /** Dialog fragment parent class. */
     private abstract static class CredentialManagerDialogFragment extends DialogFragment
             implements DialogInterface.OnClickListener {

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

@@ -484,7 +484,7 @@ public class CredentialManagerPreferenceControllerTest {
         CredentialManagerPreferenceController controller =
                 new CredentialManagerPreferenceController(
                         mContext, mCredentialsPreferenceCategory.getKey());
-        controller.setAvailableServices(() -> mock(Lifecycle.class), availableServices, addServiceOverride);
+        controller.setAvailableServices(availableServices, addServiceOverride);
         controller.setDelegate(mDelegate);
         return controller;
     }