From 8ffe58d79446a498faf174d9c660d25c05a235b2 Mon Sep 17 00:00:00 2001
From: Tim Peng <timhypeng@google.com>
Date: Fri, 7 May 2021 21:33:17 +0800
Subject: [PATCH] [ANR] Read device icon on the main thread

-com.android.systemui - Main thread blockedat android.provider.MediaStore$Images$Media.getBitmapat com.android.settingslib.bluetooth.BluetoothUtils.getBtDrawableWithDescrip...
-move it to background thread

Bug: 184924171
Test: atest MediaOutputAdapterTest
Change-Id: I50908fbd429d366ec794511046c8f62dfa80b6ac
---
 .../media/dialog/MediaOutputBaseAdapter.java     | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
index c6373f5e0c5f5..bcef43c93be45 100644
--- a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
@@ -24,6 +24,7 @@ import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
+import android.graphics.drawable.Icon;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -41,6 +42,7 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import com.android.settingslib.bluetooth.BluetoothUtils;
 import com.android.settingslib.media.MediaDevice;
+import com.android.settingslib.utils.ThreadUtils;
 import com.android.systemui.R;
 import com.android.systemui.animation.Interpolators;
 
@@ -116,6 +118,7 @@ public abstract class MediaOutputBaseAdapter extends
         final View mDivider;
         final View mBottomDivider;
         final CheckBox mCheckBox;
+        private String mDeviceId;
 
         MediaDeviceBaseViewHolder(View view) {
             super(view);
@@ -134,8 +137,17 @@ public abstract class MediaOutputBaseAdapter extends
         }
 
         void onBind(MediaDevice device, boolean topMargin, boolean bottomMargin) {
-            mTitleIcon.setImageIcon(mController.getDeviceIconCompat(device).toIcon(mContext));
-            setMargin(topMargin, bottomMargin);
+            mDeviceId = device.getId();
+            ThreadUtils.postOnBackgroundThread(() -> {
+                Icon icon = mController.getDeviceIconCompat(device).toIcon(mContext);
+                ThreadUtils.postOnMainThread(() -> {
+                    if (!TextUtils.equals(mDeviceId, device.getId())) {
+                        return;
+                    }
+                    mTitleIcon.setImageIcon(icon);
+                    setMargin(topMargin, bottomMargin);
+                });
+            });
         }
 
         void onBind(int customizedItem, boolean topMargin, boolean bottomMargin) {