Fix BiometricPrompt credential view rotation

Fixes: 310527539
Test: atest SystemUITests:com.android.systemui.biometrics
Flag: None
Change-Id: I77d758072a1c7478ad95c18ce923a6ed771dce13

2 files changed, 12 insertions, 1 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java b/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
index 1ac4163649a4..ab23564a1df4 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
@@ -30,6 +30,7 @@ import android.content.Context;
 import android.graphics.PixelFormat;
 import android.hardware.biometrics.BiometricAuthenticator.Modality;
 import android.hardware.biometrics.BiometricConstants;
+import android.hardware.biometrics.BiometricManager.Authenticators;
 import android.hardware.biometrics.PromptInfo;
 import android.hardware.face.FaceSensorPropertiesInternal;
 import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
@@ -168,7 +169,7 @@ public class AuthContainerView extends LinearLayout
     // HAT received from LockSettingsService when credential is verified.
     @Nullable private byte[] mCredentialAttestation;
 
-    // TODO(b/287311775): remove when legacy prompt is replaced
+    // TODO(b/313469218): remove when legacy prompt is replaced
     @Deprecated
     static class Config {
         Context mContext;
@@ -220,6 +221,9 @@ public class AuthContainerView extends LinearLayout
             mHandler.postDelayed(() -> {
                 addCredentialView(false /* animatePanel */, true /* animateContents */);
             }, mConfig.mSkipAnimation ? 0 : ANIMATE_CREDENTIAL_START_DELAY_MS);
+
+            // TODO(b/313469218): Remove Config
+            mConfig.mPromptInfo.setAuthenticators(Authenticators.DEVICE_CREDENTIAL);
         }
 
         @Override
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthContainerViewTest.kt b/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthContainerViewTest.kt
index f4122d59cea1..ea20d29556dc 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthContainerViewTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthContainerViewTest.kt
@@ -338,6 +338,13 @@ open class AuthContainerViewTest : SysuiTestCase() {
         waitForIdleSync()
 
         assertThat(container.hasCredentialView()).isTrue()
+        assertThat(container.hasBiometricPrompt()).isFalse()
+
+        // Check credential view persists after new attachment
+        container.onAttachedToWindow()
+
+        assertThat(container.hasCredentialView()).isTrue()
+        assertThat(container.hasBiometricPrompt()).isFalse()
     }
 
     @Test