Use a Bitmap instead of a BitmapDrawable for open group attachment notification icon.

src/org/thoughtcrime/securesms/loki/api/PublicChatManager.kt

@@ -79,8 +79,6 @@ class PublicChatManager(private val context: Context) {
                 ?.downloadOpenGroupAvatar(server, info.profilePictureURL)
         avatar = BitmapUtil.fromByteArray(avatarBytes)
       }
-      // FIXME: If updating the avatar here, there can be a memory issue if a public chat message contains some attachment.
-      // The error message is "Failed to execute task in background: Canvas: trying to use a recycled bitmap android.graphics.Bitmap"
       val result = GroupManager.createOpenGroup(chat.id, context, avatar, chat.displayName)
       threadID = result.threadId
     }

src/org/thoughtcrime/securesms/loki/views/ProfilePictureView.kt

@@ -69,8 +69,7 @@ class ProfilePictureView : RelativeLayout {
             }
         }
         fun isOpenGroupWithAvatar(recipient: Recipient): Boolean {
-            return recipient.isOpenGroupRecipient &&
-                    DatabaseFactory.getGroupDatabase(context).hasAvatar(recipient.address.toString())
+            return recipient.isOpenGroupRecipient && recipient.groupAvatarId != null
         }
         if (recipient.isGroupRecipient && !isOpenGroupWithAvatar(recipient)) {
             val users = MentionsManager.shared.userPublicKeyCache[threadID]?.toMutableList() ?: mutableListOf()

src/org/thoughtcrime/securesms/notifications/SingleRecipientNotificationBuilder.java

@@ -84,13 +84,17 @@ public class SingleRecipientNotificationBuilder extends AbstractNotificationBuil
       ContactPhoto contactPhoto = recipient.getContactPhoto();
       if (contactPhoto != null) {
         try {
-          setLargeIcon(GlideApp.with(context.getApplicationContext())
-                               .load(contactPhoto)
-                               .diskCacheStrategy(DiskCacheStrategy.ALL)
-                               .circleCrop()
-                               .submit(context.getResources().getDimensionPixelSize(android.R.dimen.notification_large_icon_width),
-                                       context.getResources().getDimensionPixelSize(android.R.dimen.notification_large_icon_height))
-                               .get());
+          // AC: For some reason, if not use ".asBitmap()" method, the returned BitmapDrawable
+          // wraps a recycled bitmap and leads to a crash.
+          Bitmap iconBitmap = GlideApp.with(context.getApplicationContext())
+                  .asBitmap()
+                  .load(contactPhoto)
+                  .diskCacheStrategy(DiskCacheStrategy.ALL)
+                  .circleCrop()
+                  .submit(context.getResources().getDimensionPixelSize(android.R.dimen.notification_large_icon_width),
+                          context.getResources().getDimensionPixelSize(android.R.dimen.notification_large_icon_height))
+                  .get();
+          setLargeIcon(iconBitmap);
         } catch (InterruptedException | ExecutionException e) {
           Log.w(TAG, e);
           setLargeIcon(getPlaceholderDrawable(context, recipient));

src/org/thoughtcrime/securesms/recipients/Recipient.java

@@ -509,6 +509,11 @@ public class Recipient implements RecipientModifiedListener {
     if (notify) notifyListeners();
   }
 
+  @Nullable
+  public synchronized Long getGroupAvatarId() {
+    return groupAvatarId;
+  }
+
   public synchronized @Nullable Uri getMessageRingtone() {
     if (messageRingtone != null && messageRingtone.getScheme() != null && messageRingtone.getScheme().startsWith("file")) {
       return null;