From 97660dd1f42adac96a8dcd13f785a782945044dd Mon Sep 17 00:00:00 2001
From: Hugh Chen <hughchen@google.com>
Date: Mon, 12 Apr 2021 10:42:23 +0800
Subject: [PATCH] Add 50% opacity if detect there is no device image yet

Screenshot:
https://screenshot.googleplex.com/Ah9DKn85S3AWB4r.png

Bug: 177901821
Test: build pass and manual test
Change-Id: Ia5142cdd1cf105d978043987ad92c5c4e8c79e0c
---
 .../bluetooth/AdvancedBluetoothDetailsHeaderController.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java b/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java
index 4c30baa5b27..51eff853533 100644
--- a/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java
+++ b/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java
@@ -85,6 +85,7 @@ public class AdvancedBluetoothDetailsHeaderController extends BasePreferenceCont
     private static final int RIGHT_DEVICE_ID = 2;
     private static final int CASE_DEVICE_ID = 3;
     private static final int MAIN_DEVICE_ID = 4;
+    private static final float HALF_ALPHA = 0.5f;
 
     @VisibleForTesting
     LayoutPreference mLayoutPreference;
@@ -425,10 +426,12 @@ public class AdvancedBluetoothDetailsHeaderController extends BasePreferenceCont
     @VisibleForTesting
     void updateIcon(ImageView imageView, String iconUri) {
         if (mIconCache.containsKey(iconUri)) {
+            imageView.setAlpha(1f);
             imageView.setImageBitmap(mIconCache.get(iconUri));
             return;
         }
 
+        imageView.setAlpha(HALF_ALPHA);
         ThreadUtils.postOnBackgroundThread(() -> {
             final Uri uri = Uri.parse(iconUri);
             try {
@@ -439,6 +442,7 @@ public class AdvancedBluetoothDetailsHeaderController extends BasePreferenceCont
                         mContext.getContentResolver(), uri);
                 ThreadUtils.postOnMainThread(() -> {
                     mIconCache.put(iconUri, bitmap);
+                    imageView.setAlpha(1f);
                     imageView.setImageBitmap(bitmap);
                 });
             } catch (IOException e) {