Add channel group for alert windows notifications

Bug: 62256269
Test: manual
Change-Id: If4253cb8303124c5c6d974e9680486d77f314059

3 files changed, 13 insertions, 0 deletions

diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index f747d3dfcba3..90ece60d324d 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -3223,6 +3223,9 @@
 
     <!-- Alert windows notification strings -->
     <skip />
+    <!-- Name of notification channel group the system post notification to inform the use about apps
+         that are drawing ui on-top of other apps (alert-windows) [CHAR LIMIT=NONE] -->
+    <string name="alert_windows_notification_channel_group_name">Display over other apps</string>
     <!-- Name of notification channel the system post notification to inform the use about apps
          that are drawing ui on-top of other apps (alert-windows) [CHAR LIMIT=NONE] -->
     <string name="alert_windows_notification_channel_name"><xliff:g id="name" example="Google Maps">%s</xliff:g> displaying over other apps</string>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 8d2666e7c648..bfd40bd704e1 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2946,6 +2946,7 @@
   <java-symbol type="drawable" name="resolver_icon_placeholder" />
 
   <!-- Alert windows notification -->
+  <java-symbol type="string" name="alert_windows_notification_channel_group_name" />
   <java-symbol type="string" name="alert_windows_notification_channel_name" />
   <java-symbol type="string" name="alert_windows_notification_title" />
   <java-symbol type="string" name="alert_windows_notification_message" />
diff --git a/services/core/java/com/android/server/wm/AlertWindowNotification.java b/services/core/java/com/android/server/wm/AlertWindowNotification.java
index 972623c9478d..7eebe39f4ee4 100644
--- a/services/core/java/com/android/server/wm/AlertWindowNotification.java
+++ b/services/core/java/com/android/server/wm/AlertWindowNotification.java
@@ -25,6 +25,7 @@ import static android.provider.Settings.ACTION_MANAGE_OVERLAY_PERMISSION;
 
 import android.app.Notification;
 import android.app.NotificationChannel;
+import android.app.NotificationChannelGroup;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Context;
@@ -45,6 +46,7 @@ class AlertWindowNotification {
     private static final int NOTIFICATION_ID = 0;
 
     private static int sNextRequestCode = 0;
+    private static NotificationChannelGroup sChannelGroup;
     private final int mRequestCode;
     private final WindowManagerService mService;
     private String mNotificationTag;
@@ -61,6 +63,12 @@ class AlertWindowNotification {
         mNotificationTag = CHANNEL_PREFIX + mPackageName;
         mRequestCode = sNextRequestCode++;
         mIconUtilities = new IconUtilities(mService.mContext);
+        if (sChannelGroup == null) {
+            sChannelGroup = new NotificationChannelGroup(CHANNEL_PREFIX,
+                    mService.mContext.getString(
+                            R.string.alert_windows_notification_channel_group_name));
+            mNotificationManager.createNotificationChannelGroup(sChannelGroup);
+        }
     }
 
     void post() {
@@ -142,6 +150,7 @@ class AlertWindowNotification {
         channel.enableLights(false);
         channel.enableVibration(false);
         channel.setBlockableSystem(true);
+        channel.setGroup(sChannelGroup.getId());
         mNotificationManager.createNotificationChannel(channel);
     }