Examples with RecyclerView androidx.recyclerview.widget.RecyclerView used on opensource projects

Example 96 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project UltimateRecyclerView by cymcsg.

the class ItemTouchListenerAdapter method onSingleTapUp.

@Override
public boolean onSingleTapUp(MotionEvent e) {
    View view = getChildViewUnder(e);
    if (view == null)
        return false;
    view.setPressed(false);
    int position = shiftAdjustInt(recyclerView.getChildAdapterPosition(view));
    if (position != AdmobAdapter.POSITION_ON_AD) {
        listener.onItemClick(recyclerView, view, position);
    }
    return true;
}

Example 97 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project UltimateRecyclerView by cymcsg.

the class UltimateRecyclerView method enableShoworHideToolbarAndFloatingButton.

protected void enableShoworHideToolbarAndFloatingButton(RecyclerView recyclerView) {
    if (mCallbacks != null) {
        if (getChildCount() > 0) {
            int firstVisiblePosition = recyclerView.getChildAdapterPosition(recyclerView.getChildAt(0));
            int lastVisiblePosition = recyclerView.getChildAdapterPosition(recyclerView.getChildAt(recyclerView.getChildCount() - 1));
            try {
                for (int i = firstVisiblePosition, j = 0; i <= lastVisiblePosition; i++, j++) {
                    int childHeight = 0;
                    View child = recyclerView.getChildAt(j);
                    if (mChildrenHeights.indexOfKey(i) < 0 || (child != null && child.getHeight() != mChildrenHeights.get(i))) {
                        if (child != null)
                            childHeight = child.getHeight();
                    }
                    mChildrenHeights.put(i, childHeight);
                }
            } catch (NullPointerException e) {
                e.printStackTrace();
                // todo: need to solve this issue when the first child is missing from the scroll. Please also see the debug from the RV error.
                // todo: 07-01 11:50:36.359  32348-32348/com.marshalchen.ultimaterecyclerview.demo D/RVerror? Attempt to invoke virtual method 'int android.view.View.getHeight()' on a null object reference
                URLogs.e(e, "");
            }
            View firstVisibleChild = recyclerView.getChildAt(0);
            if (firstVisibleChild != null) {
                if (mPrevFirstVisiblePosition < firstVisiblePosition) {
                    // scroll down
                    int skippedChildrenHeight = 0;
                    if (firstVisiblePosition - mPrevFirstVisiblePosition != 1) {
                        for (int i = firstVisiblePosition - 1; i > mPrevFirstVisiblePosition; i--) {
                            if (0 < mChildrenHeights.indexOfKey(i)) {
                                skippedChildrenHeight += mChildrenHeights.get(i);
                            } else {
                                // Approximate each item's height to the first visible child.
                                // It may be incorrect, but without this, scrollY will be broken
                                // when scrolling from the bottom.
                                skippedChildrenHeight += firstVisibleChild.getHeight();
                            }
                        }
                    }
                    mPrevScrolledChildrenHeight += mPrevFirstVisibleChildHeight + skippedChildrenHeight;
                    mPrevFirstVisibleChildHeight = firstVisibleChild.getHeight();
                } else if (firstVisiblePosition < mPrevFirstVisiblePosition) {
                    // scroll up
                    int skippedChildrenHeight = 0;
                    if (mPrevFirstVisiblePosition - firstVisiblePosition != 1) {
                        for (int i = mPrevFirstVisiblePosition - 1; i > firstVisiblePosition; i--) {
                            if (0 < mChildrenHeights.indexOfKey(i)) {
                                skippedChildrenHeight += mChildrenHeights.get(i);
                            } else {
                                // Approximate each item's height to the first visible child.
                                // It may be incorrect, but without this, scrollY will be broken
                                // when scrolling from the bottom.
                                skippedChildrenHeight += firstVisibleChild.getHeight();
                            }
                        }
                    }
                    mPrevScrolledChildrenHeight -= firstVisibleChild.getHeight() + skippedChildrenHeight;
                    mPrevFirstVisibleChildHeight = firstVisibleChild.getHeight();
                } else if (firstVisiblePosition == 0) {
                    mPrevFirstVisibleChildHeight = firstVisibleChild.getHeight();
                    mPrevScrolledChildrenHeight = 0;
                }
                if (mPrevFirstVisibleChildHeight < 0) {
                    mPrevFirstVisibleChildHeight = 0;
                }
                mScrollY = mPrevScrolledChildrenHeight - firstVisibleChild.getTop();
                mPrevFirstVisiblePosition = firstVisiblePosition;
                mCallbacks.onScrollChanged(mScrollY, mFirstScroll, mDragging);
                if (mPrevScrollY < mScrollY) {
                    // down
                    if (mFirstScroll) {
                        // first scroll down , mPrevScrollY == 0, reach here.
                        mFirstScroll = false;
                        mObservableScrollState = ObservableScrollState.STOP;
                    }
                    mObservableScrollState = ObservableScrollState.UP;
                } else if (mScrollY < mPrevScrollY) {
                    // up
                    mObservableScrollState = ObservableScrollState.DOWN;
                } else {
                    mObservableScrollState = ObservableScrollState.STOP;
                }
                if (mFirstScroll) {
                    mFirstScroll = false;
                }
                mPrevScrollY = mScrollY;
            }
        }
    }
}

Example 98 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project UltimateRecyclerView by cymcsg.

the class UltimateRecyclerView method initViews.

protected void initViews() {
    inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View view = inflater.inflate(R.layout.ultimate_recycler_view_layout, this);
    mRecyclerView = (RecyclerView) view.findViewById(R.id.ultimate_list);
    mSwipeRefreshLayout = (VerticalSwipeRefreshLayout) view.findViewById(R.id.swipe_refresh_layout);
    setScrollbars();
    mSwipeRefreshLayout.setEnabled(false);
    if (mRecyclerView != null) {
        mRecyclerView.setClipToPadding(mClipToPadding);
        if (mPadding != -1.1f) {
            mRecyclerView.setPadding(mPadding, mPadding, mPadding, mPadding);
        } else {
            mRecyclerView.setPadding(mPaddingLeft, mPaddingTop, mPaddingRight, mPaddingBottom);
        }
    }
    defaultFloatingActionButton = (FloatingActionButton) view.findViewById(R.id.defaultFloatingActionButton);
    setDefaultScrollListener();
    /**
     * empty view setup
     */
    mEmpty = (ViewStub) view.findViewById(R.id.emptyview);
    if (mEmptyId != 0) {
        mEmpty.setLayoutResource(mEmptyId);
        mEmptyView = mEmpty.inflate();
        mEmpty.setVisibility(View.GONE);
    }
    /**
     * floating button setup
     */
    mFloatingButtonViewStub = (ViewStub) view.findViewById(R.id.floatingActionViewStub);
    mFloatingButtonViewStub.setLayoutResource(mFloatingButtonId);
}

Example 99 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project UltimateRecyclerView by cymcsg.

the class UltimateRecyclerView method setScrollbars.

/**
 * Add ScrollBar of Recyclerview
 */
protected void setScrollbars() {
    LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    switch(mScrollbarsStyle) {
        case SCROLLBARS_VERTICAL:
            mSwipeRefreshLayout.removeView(mRecyclerView);
            View verticalView = inflater.inflate(R.layout.vertical_recycler_view, mSwipeRefreshLayout, true);
            mRecyclerView = (RecyclerView) verticalView.findViewById(R.id.ultimate_list);
            break;
        case SCROLLBARS_HORIZONTAL:
            mSwipeRefreshLayout.removeView(mRecyclerView);
            View horizontalView = inflater.inflate(R.layout.horizontal_recycler_view, mSwipeRefreshLayout, true);
            mRecyclerView = (RecyclerView) horizontalView.findViewById(R.id.ultimate_list);
            break;
        default:
            break;
    }
}

Example 100 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project LshUtils by SenhLinsh.

the class TextBottomDecoration method onDrawOver.

@Override
public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
    super.onDrawOver(c, parent, state);
    int itemCount = parent.getAdapter().getItemCount();
    int childCount = parent.getChildCount();
    if (itemCount > childCount) {
        View view = parent.getChildAt(parent.getChildCount() - 1);
        int position = parent.getChildAdapterPosition(view);
        if (position == itemCount - 1) {
            c.save();
            // 计算 Footer 所占矩形范围
            parent.getDecoratedBoundsWithMargins(view, mBounds);
            int bottom = mBounds.bottom + Math.round(view.getTranslationY());
            int top = bottom - mCurHeight;
            int left = parent.getPaddingLeft();
            int right = parent.getWidth() - parent.getPaddingRight();
            // 裁切范围
            c.clipRect(left, top, right, bottom);
            // 绘制背景
            if (mBgColor != 0)
                c.drawColor(mBgColor);
            // 绘制文字
            if (mTextLayout != null) {
                c.translate(0, (bottom + top) / 2f - mTextLayout.getHeight() / 2f);
                mTextLayout.draw(c);
            } else {
                drawText(c, bottom, top, left, right);
            }
            c.restore();
        }
    }
}