commit 05d6fa9bcb90886ac2611f86bb7d2af7078eb3ad
author Weng Su <wengsu@google.com> Fri Jan 29 17:24:51 2021 +0800
committer Weng Su <wengsu@google.com> Wed Feb 03 10:00:07 2021 +0000
tree f1af7f8ceae9868c929a016dc1ad8e9deb749aa7
parent f5477b05d980647356f6cf64c8c63d43aed8b717

[Security Report] Fix Settings WifiScanModeActivity Overlaid issue

- Disallowed non system overlay windows

- Screenshot
  https://screenshot.googleplex.com/77fJ9QN6pV4zFYc

Bug: 174047492
Test: manual test
Merged-In: Ia7acad6d456ce5ebea2d982d4cb063d4f28cbfff
Change-Id: Ia7acad6d456ce5ebea2d982d4cb063d4f28cbfff
(cherry picked from commit d47d8e4fc5959ea5cc57dc074d572a81ec6ddcb0)

src/com/android/settings/wifi/WifiScanModeActivity.java

diff --git a/src/com/android/settings/wifi/WifiScanModeActivity.java b/src/com/android/settings/wifi/WifiScanModeActivity.java
index 5342729..33cedde 100644
--- a/src/com/android/settings/wifi/WifiScanModeActivity.java
+++ b/src/com/android/settings/wifi/WifiScanModeActivity.java
@@ -26,6 +26,7 @@
 import android.os.Bundle;
 import android.provider.Settings;
 import android.text.TextUtils;
+import android.view.WindowManager;
 
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.DialogFragment;
@@ -44,6 +45,8 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        getWindow().addSystemFlags(
+                WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
         Intent intent = getIntent();
         if (savedInstanceState == null) {
             if (intent != null && intent.getAction()