Fix UI flicker issue when selecting the device

Test: cts
Fix: 393509673
Flag: EXEMPT test fix
Change-Id: Ic950806bcc48e85ee0bb4b33e27b4c648f3d11d9

1 files changed, 5 insertions, 2 deletions

diff --git a/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionAssociationActivity.java b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionAssociationActivity.java
index b2c1e604db7e..964268e4ad14 100644
--- a/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionAssociationActivity.java
+++ b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionAssociationActivity.java
@@ -65,6 +65,7 @@ import android.graphics.drawable.Icon;
 import android.net.MacAddress;
 import android.os.Bundle;
 import android.os.Handler;
+import android.os.Looper;
 import android.os.RemoteException;
 import android.os.ResultReceiver;
 import android.text.Spanned;
@@ -621,8 +622,10 @@ public class CompanionAssociationActivity extends FragmentActivity implements
             Slog.w(TAG, "Already selected.");
             return;
         }
-        // Notify the adapter to highlight the selected item.
-        mDeviceAdapter.setSelectedPosition(position);
+        // Delay highlighting the selected item by posting to the main thread.
+        // This helps avoid flicker in the user consent dialog after device selection.
+        new Handler(
+                Looper.getMainLooper()).post(() -> mDeviceAdapter.setSelectedPosition(position));
 
         mSelectedDevice = requireNonNull(selectedDevice);