Adding Dark or Transparent theme for the splash screen of Credential Manager

BUG: 379815309
Test: manual
After: http://b/379815309#attachment63533070
(cherry picked from https://partner-android-review.googlesource.com/q/commit:9ad18b8a967cac8ae1c081f93ed605249bc9c78d)
Merged-In: Ie0ede038228b2c30d65e8a5e7fa80369487261ed
Change-Id: Ie0ede038228b2c30d65e8a5e7fa80369487261ed

2 files changed, 28 insertions, 2 deletions

diff --git a/packages/CredentialManager/wear/AndroidManifest.xml b/packages/CredentialManager/wear/AndroidManifest.xml
index b480ac30d2cb..c91bf13bf98e 100644
--- a/packages/CredentialManager/wear/AndroidManifest.xml
+++ b/packages/CredentialManager/wear/AndroidManifest.xml
@@ -32,7 +32,8 @@
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:label="@string/app_name"
-        android:supportsRtl="true">
+        android:supportsRtl="true"
+        android:theme="@style/Theme.CredentialSelector">
 
         <!-- Activity called by GMS has to be exactly:
         com.android.credentialmanager.CredentialSelectorActivity -->
@@ -42,7 +43,8 @@
             android:exported="true"
             android:label="@string/app_name"
             android:launchMode="singleTop"
-            android:permission="android.permission.LAUNCH_CREDENTIAL_SELECTOR" />
+            android:permission="android.permission.LAUNCH_CREDENTIAL_SELECTOR"
+            android:theme="@style/Theme.CredentialSelector"/>
     </application>
 
 </manifest>
diff --git a/packages/CredentialManager/wear/res/values/themes.xml b/packages/CredentialManager/wear/res/values/themes.xml
new file mode 100644
index 000000000000..22329e9ff2ce
--- /dev/null
+++ b/packages/CredentialManager/wear/res/values/themes.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2023 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<resources>
+  <style name="Theme.CredentialSelector" parent="@*android:style/ThemeOverlay.DeviceDefault.Accent.DayNight">
+    <item name="android:windowContentOverlay">@null</item>
+    <item name="android:windowNoTitle">true</item>
+    <item name="android:windowBackground">@android:color/transparent</item>
+    <item name="android:windowIsTranslucent">true</item>
+  </style>
+</resources>
\ No newline at end of file