From 95d0fb7f4911403844666632ece42467f60ad753 Mon Sep 17 00:00:00 2001
From: Fan Zhang <zhfan@google.com>
Date: Thu, 14 Feb 2019 16:07:37 -0800
Subject: [PATCH] Do not allow draw on top for default sms picker.

Fixes: 120484087
Test: manual
Change-Id: I4be265565678302fad207839216d5cd65dcb6e94
Merged-In: I4be265565678302fad207839216d5cd65dcb6e94
(cherry picked from commit 9d46e1fdfe1b70618c5a92c3e3461a4b379db236)
---
 .../android/settings/SmsDefaultDialog.java    | 24 +++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/com/android/settings/SmsDefaultDialog.java b/src/com/android/settings/SmsDefaultDialog.java
index e38c9b8f46d..b7077f7f98d 100644
--- a/src/com/android/settings/SmsDefaultDialog.java
+++ b/src/com/android/settings/SmsDefaultDialog.java
@@ -16,6 +16,8 @@
 
 package com.android.settings;
 
+import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -30,6 +32,8 @@ import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.Window;
+import android.view.WindowManager;
 import android.widget.BaseAdapter;
 import android.widget.ImageView;
 import android.widget.TextView;
@@ -59,6 +63,22 @@ public final class SmsDefaultDialog extends AlertActivity implements
         }
     }
 
+    @Override
+    protected void onStart() {
+        super.onStart();
+        getWindow().addPrivateFlags(PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
+        android.util.EventLog.writeEvent(0x534e4554, "120484087", -1, "");
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        final Window window = getWindow();
+        final WindowManager.LayoutParams attrs = window.getAttributes();
+        attrs.privateFlags &= ~PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+        window.setAttributes(attrs);
+    }
+
     @Override
     public void onClick(DialogInterface dialog, int which) {
         switch (which) {
@@ -84,7 +104,7 @@ public final class SmsDefaultDialog extends AlertActivity implements
     }
 
     private boolean buildDialog(String packageName) {
-        TelephonyManager tm = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
+        TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
         if (!tm.isSmsCapable()) {
             // No phone, no SMS
             return false;
@@ -194,7 +214,7 @@ public final class SmsDefaultDialog extends AlertActivity implements
             } else {
                 view.findViewById(R.id.default_label).setVisibility(View.GONE);
             }
-            ImageView imageView = (ImageView)view.findViewById(android.R.id.icon);
+            ImageView imageView = (ImageView) view.findViewById(android.R.id.icon);
             imageView.setImageDrawable(item.icon);
             return view;
         }