commit 94253d725e87ed39fc9fc4dddfcb0060b40850b8
author Bonian Chen <bonianchen@google.com> Tue Aug 17 09:46:00 2021 +0800
committer Bonian Chen <bonianchen@google.com> Mon Aug 30 06:53:50 2021 +0000
tree 8ef10f645a7c6f172f324ecaa2b0084751430868
parent 7514b30f06977a77e505f6f7d2206d6f11b6d120

[Settings] Avoid from floating overlay when displaying SIM selection UI

Avoid from floating overlay when displaying SIM selection UI, which
could avoid from security issue.

Bug: 195667589
Test: local
Change-Id: I8db76005f2c3ad6cc94d68703b2b1647d81371f5
(cherry picked from commit 1cc61672ef9ea78f79cfdb55f4e732bd50b06e34)

src/com/android/settings/sim/SimDialogActivity.java

diff --git a/src/com/android/settings/sim/SimDialogActivity.java b/src/com/android/settings/sim/SimDialogActivity.java
index 252b6c0..e5457ae 100644
--- a/src/com/android/settings/sim/SimDialogActivity.java
+++ b/src/com/android/settings/sim/SimDialogActivity.java
@@ -24,6 +24,7 @@
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.util.Log;
+import android.view.WindowManager;
 import android.widget.Toast;
 
 import androidx.fragment.app.Fragment;
@@ -59,6 +60,8 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        getWindow().addSystemFlags(
+                WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
         showOrUpdateDialog();
     }