Java Code Examples for androidx.cardview.widget.CardView#setCardElevation()

public NoteViewHolder(View v) {
  super(v);
  durationText = (TextView) v.findViewById(R.id.time_text);
  menuButton = (ImageButton) v.findViewById(R.id.note_menu_button);
  text = (TextView) v.findViewById(R.id.note_text);
  image = (ImageView) v.findViewById(R.id.note_image);
  captionIcon = (ImageView) v.findViewById(R.id.edit_icon);
  captionView = itemView.findViewById(R.id.caption_section);
  captionTextView = (TextView) itemView.findViewById(R.id.caption);
  valuesList = (ViewGroup) itemView.findViewById(R.id.snapshot_values_list);
  relativeTimeView = (RelativeTimeTextView) itemView.findViewById(R.id.relative_time_text);
  CardView cardView = v.findViewById(R.id.card_view);
  cardView.setUseCompatPadding(true);
  cardView.setCardElevation(0);
  cardView.setBackground(
      cardView.getResources().getDrawable(R.drawable.card_view_with_hairline_border));
}
 

@Override
public void onBindDragView(View clickedView, View dragView) {
    CharSequence name = ((TextView) clickedView.findViewById(R.id.nameView)).getText();
    ((TextView) dragView.findViewById(R.id.nameView)).setText(name);

    CharSequence path = ((TextView) clickedView.findViewById(R.id.pathView)).getText();
    ((TextView) dragView.findViewById(R.id.pathView)).setText(path);

    boolean enabled = ((CheckBox) clickedView.findViewById(R.id.enableCheckbox)).isChecked();
    ((CheckBox) dragView.findViewById(R.id.enableCheckbox)).setChecked(enabled);

    CardView dragCard = dragView.findViewById(R.id.card);
    CardView clickedCard = clickedView.findViewById(R.id.card);

    dragCard.setMaxCardElevation(40);
    dragCard.setCardElevation(clickedCard.getCardElevation());
    // I know the dragView is a FrameLayout and that is why I can use setForeground below api level 23
    dragCard.setForeground(clickedView.getResources().getDrawable(R.drawable.card_view_drag_foreground));
}
 

/**
 * 设置简单图片适配器
 *
 * @param imageItems 图片信息列表
 */
public void setImageViewList(@Nullable List<? extends ImageItem> imageItems) {
    if (imageItems == null) {
        return;
    }
    if (viewList == null) {
        viewList = new ArrayList<>();
    } else {
        viewList.clear();
    }
    ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
            ViewGroup.LayoutParams.MATCH_PARENT);
    for (final ImageItem entity : imageItems) {
        CardView cardView = new CardView(this);
        cardView.setCardElevation(dp(2));
        cardView.setRadius(dp(5));
        cardView.setLayoutParams(params);

        CropImageView imageView = new CropImageView(this);
        imageView.setLayoutParams(params);
        imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
        if (entity.getCropUrl() != null && entity.getCropUrl().length() > 0) {
            Glide.with(this).load(entity.getCropUrl()).into(imageView);
        } else {
            Glide.with(this).load(entity.path).into(imageView);
        }
        cardView.addView(imageView);
        viewList.add(cardView);
        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                intentCrop(entity);
            }
        });
    }
    setViewList(viewList);
}
 

@Override
public void addView(View child) {
    if (child instanceof NavigationView) {
        super.addView(child);
    } else {
        CardView cardView = new CardView(getContext());
        cardView.setRadius(0);
        cardView.addView(child);
        cardView.setCardElevation(0);
        if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
            cardView.setContentPadding(-6, -9, -6, -9);
        }
        frameLayout.addView(cardView);
    }
}
 

@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
  View view;
  LayoutInflater inflater = LayoutInflater.from(parent.getContext());
  if (viewType == VIEW_TYPE_EXPERIMENT_TEXT_LABEL
      || viewType == VIEW_TYPE_EXPERIMENT_PICTURE_LABEL
      || viewType == VIEW_TYPE_EXPERIMENT_TRIGGER_LABEL
      || viewType == VIEW_TYPE_SNAPSHOT_LABEL
      || viewType == VIEW_TYPE_SKETCH) {
    view = inflater.inflate(R.layout.exp_card_pinned_note, parent, false);
    return new NoteViewHolder(view);
  } else if (viewType == VIEW_TYPE_RECORDING) {
    view = inflater.inflate(R.layout.exp_card_recording, parent, false);
    return new RecordingViewHolder(view);
  } else if (viewType == VIEW_TYPE_EXPERIMENT_ARCHIVED) {
    view = inflater.inflate(R.layout.metadata_archived, parent, false);
  } else if (viewType == VIEW_TYPE_RUN_CARD) {
    view = inflater.inflate(R.layout.exp_card_run, parent, false);
  } else {
    // TODO(b/117987511): display a card that explains why we can't show this data
    view = inflater.inflate(R.layout.exp_card_empty, parent, false);
  }
  CardView cardView = view.findViewById(R.id.card_view);
  if (cardView != null) {
    cardView.setUseCompatPadding(true);
    cardView.setCardElevation(0);
    cardView.setBackground(
        cardView.getResources().getDrawable(R.drawable.card_view_with_hairline_border));
  }
  return new DetailsViewHolder(view, viewType);
}
 

@Override
public void onBindDragView(View clickedView, View dragView) {
    CharSequence text = ((TextView) clickedView.findViewById(R.id.text)).getText();
    ((TextView) dragView.findViewById(R.id.text)).setText(text);
    CardView dragCard = dragView.findViewById(R.id.card);
    CardView clickedCard = clickedView.findViewById(R.id.card);

    dragCard.setMaxCardElevation(40);
    dragCard.setCardElevation(clickedCard.getCardElevation());
    // I know the dragView is a FrameLayout and that is why I can use setForeground below api level 23
    dragCard.setForeground(clickedView.getResources().getDrawable(R.drawable.card_view_drag_foreground));
}
 

@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
    int realCurrentPosition;
    int nextPosition;
    float baseElevation = mAdapter.getBaseElevation();
    float realOffset;
    boolean goingLeft = mLastOffset > positionOffset;

    // If we're going backwards, onPageScrolled receives the last position
    // instead of the current one
    if (goingLeft) {
        realCurrentPosition = position + 1;
        nextPosition = position;
        realOffset = 1 - positionOffset;
    } else {
        nextPosition = position + 1;
        realCurrentPosition = position;
        realOffset = positionOffset;
    }

    // Avoid crash on overscroll
    if (nextPosition > mAdapter.getCount() - 1
            || realCurrentPosition > mAdapter.getCount() - 1) {
        return;
    }

    CardView currentCard = mAdapter.getCardViewAt(realCurrentPosition);

    // This might be null if a fragment is being used
    // and the views weren't created yet
    if (currentCard != null) {
        if (mScalingEnabled) {
            currentCard.setScaleX((float) (1 + 0.1 * (1 - realOffset)));
            currentCard.setScaleY((float) (1 + 0.1 * (1 - realOffset)));
        }
        currentCard.setCardElevation((baseElevation + baseElevation
                * (CardAdapter.MAX_ELEVATION_FACTOR - 1) * (1 - realOffset)));
    }

    CardView nextCard = mAdapter.getCardViewAt(nextPosition);

    // We might be scrolling fast enough so that the next (or previous) card
    // was already destroyed or a fragment might not have been created yet
    if (nextCard != null) {
        if (mScalingEnabled) {
            nextCard.setScaleX((float) (1 + 0.1 * (realOffset)));
            nextCard.setScaleY((float) (1 + 0.1 * (realOffset)));
        }
        nextCard.setCardElevation((baseElevation + baseElevation
                * (CardAdapter.MAX_ELEVATION_FACTOR - 1) * (realOffset)));
    }

    mLastOffset = positionOffset;
}
 

@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int position) {
    RecyclerViewItem item = mItems.get(position);
    View view;
    if (item.cacheable()) {
        if (mViews.containsKey(item)) {
            view = mViews.get(item);
        } else {
            mViews.put(item, view = LayoutInflater.from(parent.getContext())
                    .inflate(item.getLayoutRes(), parent, false));
        }
    } else {
        try {
            view = LayoutInflater.from(parent.getContext())
                    .inflate(item.getLayoutRes(), parent, false);
        } catch (Exception ignored) {
            throw new IllegalArgumentException("Couldn't inflate " + item.getClass().getSimpleName());
        }
    }
    ViewGroup viewGroup = (ViewGroup) view.getParent();
    if (viewGroup != null) {
        viewGroup.removeView(view);
    }
    if (item.cardCompatible() && AppSettings.isForceCards(parent.getContext())) {
        CardView cardView =
                new CardView(view.getContext());
        cardView.setRadius(view.getResources().getDimension(R.dimen.cardview_radius));
        cardView.setCardElevation(view.getResources().getDimension(R.dimen.cardview_elevation));
        cardView.setUseCompatPadding(true);
        cardView.setFocusable(false);
        cardView.addView(view);
        view = cardView;
    }
    if (position == 0) {
        mFirstItem = view;
    }
    item.setOnViewChangeListener(mOnViewChangedListener);
    item.onCreateHolder(parent, view);

    return new RecyclerView.ViewHolder(view) {
    };
}