From 14e56a3f02dbce1931c1d225c876097acec4d3a4 Mon Sep 17 00:00:00 2001
From: Raff Tsai <rafftsai@google.com>
Date: Fri, 8 Mar 2019 16:19:30 +0800
Subject: [PATCH] Do not allow draw on top for App notification settings

Fixes: 119115683
Test: manual
Change-Id: Ib7b878a23b4a99171c58b5de992fb87feca8a28a
Merged-In: Ib7b878a23b4a99171c58b5de992fb87feca8a28a
(cherry picked from commit fe86a2a51f0b8e01e5f595bd60edc594eef58aba)
(cherry picked from commit e4800786cff0df47392d0954d700743a1f6cfc8f)
---
 .../notification/AppNotificationSettings.java    | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/com/android/settings/notification/AppNotificationSettings.java b/src/com/android/settings/notification/AppNotificationSettings.java
index 72a4cc1a60..c2402a4d9c 100644
--- a/src/com/android/settings/notification/AppNotificationSettings.java
+++ b/src/com/android/settings/notification/AppNotificationSettings.java
@@ -17,6 +17,8 @@
 package com.android.settings.notification;
 
 import android.app.Activity;
+import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+
 import android.app.NotificationChannel;
 import android.app.NotificationChannelGroup;
 import android.app.NotificationManager;
@@ -33,6 +35,8 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.Switch;
+import android.view.Window;
+import android.view.WindowManager;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
@@ -76,6 +80,9 @@ public class AppNotificationSettings extends NotificationSettingsBase {
     public void onResume() {
         super.onResume();
 
+        getActivity().getWindow().addPrivateFlags(PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
+        android.util.EventLog.writeEvent(0x534e4554, "119115683", -1, "");
+
         if (mUid < 0 || TextUtils.isEmpty(mPkg) || mPkgInfo == null) {
             Log.w(TAG, "Missing package or uid or packageinfo");
             finish();
@@ -125,6 +132,15 @@ public class AppNotificationSettings extends NotificationSettingsBase {
         updateDependents(mAppRow.banned);
     }
 
+    @Override
+    public void onPause() {
+        super.onPause();
+        final Window window = getActivity().getWindow();
+        final WindowManager.LayoutParams attrs = window.getAttributes();
+        attrs.privateFlags &= ~PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+        window.setAttributes(attrs);
+    }
+
     private void addHeaderPref() {
         ArrayMap<String, AppRow> rows = new ArrayMap<>();
         rows.put(mAppRow.pkg, mAppRow);
-- 
2.24.1