private void checkAndUpdateAvatar() {
   TLRPC.FileLocation newPhoto = null;
   AvatarDrawable avatarDrawable = null;
   if (currentChat != null) {
     TLRPC.Chat chat = MessagesController.getInstance().getChat(currentChat.id);
     if (chat == null) {
       return;
     }
     currentChat = chat;
     if (currentChat.photo != null) {
       newPhoto = currentChat.photo.photo_small;
     }
     avatarDrawable = new AvatarDrawable(currentChat);
   } else if (currentUser != null) {
     TLRPC.User user = MessagesController.getInstance().getUser(currentUser.id);
     if (user == null) {
       return;
     }
     currentUser = user;
     if (currentUser.photo != null) {
       newPhoto = currentUser.photo.photo_small;
     }
     avatarDrawable = new AvatarDrawable(currentUser);
   }
   if (avatarImageView != null) {
     avatarImageView.setImage(newPhoto, "50_50", avatarDrawable);
   }
 }
 public void setSticker(TLRPC.Document document, int side) {
   if (document != null && document.thumb != null) {
     imageView.setImage(document.thumb.location, null, "webp", null);
   }
   if (side == -1) {
     setBackgroundResource(theme.StickerCell_bg_1_R);
     setPadding(AndroidUtilities.dp(7), 0, 0, 0);
   } else if (side == 0) {
     setBackgroundResource(theme.StickerCell_bg_2_R);
     setPadding(0, 0, 0, 0);
   } else if (side == 1) {
     setBackgroundResource(theme.StickerCell_bg_3_R);
     setPadding(0, 0, AndroidUtilities.dp(7), 0);
   } else if (side == 2) {
     setBackgroundResource(theme.StickerCell_bg_4_R);
     setPadding(AndroidUtilities.dp(3), 0, AndroidUtilities.dp(3), 0);
   }
   if (getBackground() != null) {
     getBackground().setAlpha(230);
   }
 }
    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {
      int viewType = getItemViewType(i);
      if (viewType == 0) {
        PhotoPickerPhotoCell cell = (PhotoPickerPhotoCell) view;
        if (view == null) {
          view = new PhotoPickerPhotoCell(mContext);
          cell = (PhotoPickerPhotoCell) view;
          cell.checkFrame.setOnClickListener(
              new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                  int index = (Integer) ((View) v.getParent()).getTag();
                  if (selectedAlbum != null) {
                    MediaController.PhotoEntry photoEntry = selectedAlbum.photos.get(index);
                    if (selectedPhotos.containsKey(photoEntry.imageId)) {
                      selectedPhotos.remove(photoEntry.imageId);
                      photoEntry.imagePath = null;
                      photoEntry.thumbPath = null;
                      updatePhotoAtIndex(index);
                    } else {
                      selectedPhotos.put(photoEntry.imageId, photoEntry);
                    }
                    ((PhotoPickerPhotoCell) v.getParent())
                        .checkBox.setChecked(selectedPhotos.containsKey(photoEntry.imageId), true);
                  } else {
                    AndroidUtilities.hideKeyboard(getParentActivity().getCurrentFocus());
                    MediaController.SearchImage photoEntry;
                    if (searchResult.isEmpty() && lastSearchString == null) {
                      photoEntry = recentImages.get((Integer) ((View) v.getParent()).getTag());
                    } else {
                      photoEntry = searchResult.get((Integer) ((View) v.getParent()).getTag());
                    }
                    if (selectedWebPhotos.containsKey(photoEntry.id)) {
                      selectedWebPhotos.remove(photoEntry.id);
                      photoEntry.imagePath = null;
                      photoEntry.thumbPath = null;
                      updatePhotoAtIndex(index);
                    } else {
                      selectedWebPhotos.put(photoEntry.id, photoEntry);
                    }
                    ((PhotoPickerPhotoCell) v.getParent())
                        .checkBox.setChecked(selectedWebPhotos.containsKey(photoEntry.id), true);
                  }
                  pickerBottomLayout.updateSelectedCount(
                      selectedPhotos.size() + selectedWebPhotos.size(), true);
                  delegate.selectedPhotosChanged();
                }
              });
          cell.checkFrame.setVisibility(singlePhoto ? View.GONE : View.VISIBLE);
        }
        cell.itemWidth = itemWidth;
        BackupImageView imageView = ((PhotoPickerPhotoCell) view).photoImage;
        imageView.setTag(i);
        view.setTag(i);
        boolean showing;
        imageView.setOrientation(0, true);

        if (selectedAlbum != null) {
          MediaController.PhotoEntry photoEntry = selectedAlbum.photos.get(i);
          if (photoEntry.thumbPath != null) {
            imageView.setImage(
                photoEntry.thumbPath,
                null,
                mContext.getResources().getDrawable(R.drawable.nophotos));
          } else if (photoEntry.path != null) {
            imageView.setOrientation(photoEntry.orientation, true);
            if (photoEntry.isVideo) {
              imageView.setImage(
                  "vthumb://" + photoEntry.imageId + ":" + photoEntry.path,
                  null,
                  mContext.getResources().getDrawable(R.drawable.nophotos));
            } else {
              imageView.setImage(
                  "thumb://" + photoEntry.imageId + ":" + photoEntry.path,
                  null,
                  mContext.getResources().getDrawable(R.drawable.nophotos));
            }
          } else {
            imageView.setImageResource(R.drawable.nophotos);
          }
          cell.checkBox.setChecked(selectedPhotos.containsKey(photoEntry.imageId), false);
          showing = PhotoViewer.getInstance().isShowingImage(photoEntry.path);
        } else {
          MediaController.SearchImage photoEntry;
          if (searchResult.isEmpty() && lastSearchString == null) {
            photoEntry = recentImages.get(i);
          } else {
            photoEntry = searchResult.get(i);
          }
          if (photoEntry.thumbPath != null) {
            imageView.setImage(
                photoEntry.thumbPath,
                null,
                mContext.getResources().getDrawable(R.drawable.nophotos));
          } else if (photoEntry.thumbUrl != null && photoEntry.thumbUrl.length() > 0) {
            imageView.setImage(
                photoEntry.thumbUrl,
                null,
                mContext.getResources().getDrawable(R.drawable.nophotos));
          } else {
            imageView.setImageResource(R.drawable.nophotos);
          }
          cell.checkBox.setChecked(selectedWebPhotos.containsKey(photoEntry.id), false);
          showing = PhotoViewer.getInstance().isShowingImage(photoEntry.thumbUrl);
        }
        imageView.getImageReceiver().setVisible(!showing, true);
        cell.checkBox.setVisibility(singlePhoto || showing ? View.GONE : View.VISIBLE);
      } else if (viewType == 1) {
        if (view == null) {
          LayoutInflater li =
              (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
          view = li.inflate(R.layout.media_loading_layout, viewGroup, false);
        }
        ViewGroup.LayoutParams params = view.getLayoutParams();
        params.width = itemWidth;
        params.height = itemWidth;
        view.setLayoutParams(params);
      }
      return view;
    }
  private ViewGroup getViewForMessage(int num, boolean applyOffset) {
    if (NotificationsController.getInstance().popupMessages.size() == 1
        && (num < 0 || num >= NotificationsController.getInstance().popupMessages.size())) {
      return null;
    }
    if (num == -1) {
      num = NotificationsController.getInstance().popupMessages.size() - 1;
    } else if (num == NotificationsController.getInstance().popupMessages.size()) {
      num = 0;
    }
    ViewGroup view;
    MessageObject messageObject = NotificationsController.getInstance().popupMessages.get(num);
    if (messageObject.type == 1 || messageObject.type == 4) {
      if (imageViews.size() > 0) {
        view = imageViews.get(0);
        imageViews.remove(0);
      } else {
        view = new FrameLayoutAnimationListener(this);
        view.addView(getLayoutInflater().inflate(R.layout.popup_image_layout, null));
        view.setTag(2);

        view.setOnClickListener(
            new View.OnClickListener() {
              @Override
              public void onClick(View v) {
                openCurrentMessage();
              }
            });
      }

      TextView messageText = (TextView) view.findViewById(R.id.message_text);
      BackupImageView imageView = (BackupImageView) view.findViewById(R.id.message_image);
      imageView.setAspectFit(true);

      if (messageObject.type == 1) {
        TLRPC.PhotoSize currentPhotoObject =
            FileLoader.getClosestPhotoSizeWithSize(
                messageObject.photoThumbs, AndroidUtilities.getPhotoSize());
        TLRPC.PhotoSize thumb =
            FileLoader.getClosestPhotoSizeWithSize(messageObject.photoThumbs, 100);
        boolean photoSet = false;
        if (currentPhotoObject != null) {
          boolean photoExist = true;
          if (messageObject.type == 1) {
            File cacheFile = FileLoader.getPathToMessage(messageObject.messageOwner);
            if (!cacheFile.exists()) {
              photoExist = false;
            }
          }
          if (photoExist
              || MediaController.getInstance()
                  .canDownloadMedia(MediaController.AUTODOWNLOAD_MASK_PHOTO)) {
            imageView.setImage(
                currentPhotoObject.location, "100_100", thumb.location, currentPhotoObject.size);
            photoSet = true;
          } else {
            if (thumb != null) {
              imageView.setImage(thumb.location, null, (Drawable) null);
              photoSet = true;
            }
          }
        }
        if (!photoSet) {
          imageView.setVisibility(View.GONE);
          messageText.setVisibility(View.VISIBLE);
          messageText.setTextSize(
              TypedValue.COMPLEX_UNIT_SP, MessagesController.getInstance().fontSize);
          messageText.setText(messageObject.messageText);
        } else {
          imageView.setVisibility(View.VISIBLE);
          messageText.setVisibility(View.GONE);
        }
      } else if (messageObject.type == 4) {
        messageText.setVisibility(View.GONE);
        messageText.setText(messageObject.messageText);
        imageView.setVisibility(View.VISIBLE);
        double lat = messageObject.messageOwner.media.geo.lat;
        double lon = messageObject.messageOwner.media.geo._long;
        String currentUrl =
            String.format(
                Locale.US,
                "https://maps.googleapis.com/maps/api/staticmap?center=%f,%f&zoom=13&size=100x100&maptype=roadmap&scale=%d&markers=color:red|size:big|%f,%f&sensor=false",
                lat,
                lon,
                Math.min(2, (int) Math.ceil(AndroidUtilities.density)),
                lat,
                lon);
        imageView.setImage(currentUrl, null, null);
      }
    } else if (messageObject.type == 2) {
      PopupAudioView cell;
      if (audioViews.size() > 0) {
        view = audioViews.get(0);
        audioViews.remove(0);
        cell = (PopupAudioView) view.findViewWithTag(300);
      } else {
        view = new FrameLayoutAnimationListener(this);
        view.addView(getLayoutInflater().inflate(R.layout.popup_audio_layout, null));
        view.setTag(3);

        view.setOnClickListener(
            new View.OnClickListener() {
              @Override
              public void onClick(View v) {
                openCurrentMessage();
              }
            });

        ViewGroup audioContainer = (ViewGroup) view.findViewById(R.id.audio_container);
        cell = new PopupAudioView(this);
        cell.setTag(300);
        audioContainer.addView(cell);
      }

      cell.setMessageObject(messageObject);
      if (MediaController.getInstance().canDownloadMedia(MediaController.AUTODOWNLOAD_MASK_AUDIO)) {
        cell.downloadAudioIfNeed();
      }
    } else {
      if (textViews.size() > 0) {
        view = textViews.get(0);
        textViews.remove(0);
      } else {
        view = new FrameLayoutAnimationListener(this);
        view.addView(getLayoutInflater().inflate(R.layout.popup_text_layout, null));
        view.setTag(1);

        View textContainer = view.findViewById(R.id.text_container);
        textContainer.setOnClickListener(
            new View.OnClickListener() {
              @Override
              public void onClick(View v) {
                openCurrentMessage();
              }
            });
      }
      TextView messageText = (TextView) view.findViewById(R.id.message_text);
      messageText.setTag(301);
      messageText.setTextSize(
          TypedValue.COMPLEX_UNIT_SP, MessagesController.getInstance().fontSize);
      messageText.setText(messageObject.messageText);
    }
    if (view.getParent() == null) {
      messageContainer.addView(view);
    }
    view.setVisibility(View.VISIBLE);

    if (applyOffset) {
      int widht = AndroidUtilities.displaySize.x - AndroidUtilities.dp(24);
      FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) view.getLayoutParams();
      layoutParams.gravity = Gravity.TOP | Gravity.LEFT;
      layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
      layoutParams.width = widht;
      if (num == currentMessageNum) {
        layoutParams.leftMargin = 0;
      } else if (num == currentMessageNum - 1) {
        layoutParams.leftMargin = -widht;
      } else if (num == currentMessageNum + 1) {
        layoutParams.leftMargin = widht;
      }
      view.setLayoutParams(layoutParams);
      view.invalidate();
    }

    return view;
  }