Merge "Disallow overlays for ResolverActivity" into qt-dev am: f3661fc780

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15960137

Change-Id: I9b7a79b6d27be475f72549b3716d8036459b3f31

1 files changed, 16 insertions, 0 deletions

diff --git a/core/java/com/android/internal/app/ResolverActivity.java b/core/java/com/android/internal/app/ResolverActivity.java
index 996158755c6a..070e3c101c8e 100644
--- a/core/java/com/android/internal/app/ResolverActivity.java
+++ b/core/java/com/android/internal/app/ResolverActivity.java
@@ -17,6 +17,7 @@
 package com.android.internal.app;
 
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
 
 import android.annotation.Nullable;
 import android.annotation.StringRes;
@@ -68,7 +69,9 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
+import android.view.Window;
 import android.view.WindowInsets;
+import android.view.WindowManager;
 import android.widget.AbsListView;
 import android.widget.AdapterView;
 import android.widget.BaseAdapter;
@@ -790,8 +793,21 @@ public class ResolverActivity extends Activity {
     }
 
     @Override
+    protected void onStart() {
+        super.onStart();
+
+        this.getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
+    }
+
+    @Override
     protected void onStop() {
         super.onStop();
+
+        final Window window = this.getWindow();
+        final WindowManager.LayoutParams attrs = window.getAttributes();
+        attrs.privateFlags &= ~SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+        window.setAttributes(attrs);
+
         if (mRegistered) {
             mPackageMonitor.unregister();
             mRegistered = false;