diff --git a/packages/CompanionDeviceManager/AndroidManifest.xml b/packages/CompanionDeviceManager/AndroidManifest.xml
index 34bc4ebcd0aa2..2224dfc6a81ba 100644
--- a/packages/CompanionDeviceManager/AndroidManifest.xml
+++ b/packages/CompanionDeviceManager/AndroidManifest.xml
@@ -28,6 +28,7 @@
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
+    <uses-permission android:name="android.permission.HIDE_NON_SYSTEM_OVERLAY_WINDOWS"/>
 
     <application
         android:allowClearUserData="true"
diff --git a/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/DeviceChooserActivity.java b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/DeviceChooserActivity.java
index 16ef59f201f17..34139a8e58e9e 100644
--- a/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/DeviceChooserActivity.java
+++ b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/DeviceChooserActivity.java
@@ -17,6 +17,7 @@
 package com.android.companiondevicemanager;
 
 import static android.companion.BluetoothDeviceFilterUtils.getDeviceMacAddress;
+import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
 
 import android.app.Activity;
 import android.companion.CompanionDeviceManager;
@@ -56,6 +57,8 @@ public class DeviceChooserActivity extends Activity {
             Log.e(LOG_TAG, "About to show UI, but no devices to show");
         }
 
+        getWindow().addPrivateFlags(PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
+
         if (getService().mRequest.isSingleDevice()) {
             setContentView(R.layout.device_confirmation);
             final DeviceFilterPair selectedDevice = getService().mDevicesFound.get(0);
@@ -157,4 +160,4 @@ public class DeviceChooserActivity extends Activity {
                 new Intent().putExtra(CompanionDeviceManager.EXTRA_DEVICE, selectedDevice.device));
         finish();
     }
-}
\ No newline at end of file
+}