Examples with DOWN android.support.v7.widget.helper.ItemTouchHelper.DOWN used on opensource projects

Example 66 with DOWN

use of android.support.v7.widget.helper.ItemTouchHelper.DOWN in project guanggoo-android by mzlogin.

the class TopicListFragment method initViews.

private void initViews() {
    Context context = getContext();
    final LinearLayoutManager layoutManager = new LinearLayoutManager(context);
    mRecyclerView.setLayoutManager(layoutManager);
    if (mAdapter == null) {
        mAdapter = new TopicListAdapter(mListener);
    }
    mRecyclerView.setAdapter(mAdapter);
    // ref https://stackoverflow.com/questions/26543131/how-to-implement-endless-list-with-recyclerview
    mRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {

        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            // check for scroll down
            if (dy > 0) {
                visibleItemCount = layoutManager.getChildCount();
                totalItemCount = layoutManager.getItemCount();
                pastVisibleItems = layoutManager.findFirstVisibleItemPosition();
                if (mLoadable) {
                    if ((visibleItemCount + pastVisibleItems) >= totalItemCount) {
                        mLoadable = false;
                        if (totalItemCount >= ConstantUtil.TOPICS_PER_PAGE && totalItemCount <= ConstantUtil.MAX_TOPICS) {
                            mPresenter.getMoreTopic(totalItemCount / ConstantUtil.TOPICS_PER_PAGE + 1);
                        } else {
                            Toast.makeText(getActivity(), "1024", Toast.LENGTH_SHORT).show();
                        }
                    }
                }
            }
        }
    });
    initSwipeLayout(mRefreshLayout);
    initSwipeLayout(mEmptyLayout);
    handleEmptyList();
}

Example 67 with DOWN

use of android.support.v7.widget.helper.ItemTouchHelper.DOWN in project guanggoo-android by mzlogin.

the class ReplyListFragment method initViews.

private void initViews() {
    Context context = getContext();
    final LinearLayoutManager layoutManager = new LinearLayoutManager(context);
    mRecyclerView.setLayoutManager(layoutManager);
    mRecyclerView.addItemDecoration(new RecyclerView.ItemDecoration() {

        @Override
        public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
            outRect.set(0, 0, 0, 1);
        }
    });
    if (mAdapter == null) {
        mAdapter = new ReplyListAdapter(mListener);
    }
    mRecyclerView.setAdapter(mAdapter);
    // ref https://stackoverflow.com/questions/26543131/how-to-implement-endless-list-with-recyclerview
    mRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {

        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            // check for scroll down
            if (dy > 0) {
                visibleItemCount = layoutManager.getChildCount();
                totalItemCount = layoutManager.getItemCount();
                pastVisibleItems = layoutManager.findFirstVisibleItemPosition();
                if (mLoadable) {
                    if ((visibleItemCount + pastVisibleItems) >= totalItemCount) {
                        mLoadable = false;
                        if (totalItemCount >= ConstantUtil.REPLIES_PER_PAGE && totalItemCount <= ConstantUtil.MAX_TOPICS) {
                            mPresenter.getMoreReply(totalItemCount / ConstantUtil.REPLIES_PER_PAGE + 1);
                        } else {
                            Toast.makeText(getActivity(), "1024", Toast.LENGTH_SHORT).show();
                        }
                    }
                }
            }
        }
    });
    initSwipeLayout(mRefreshLayout);
    initSwipeLayout(mEmptyLayout);
    handleEmptyList();
}

Example 68 with DOWN

use of android.support.v7.widget.helper.ItemTouchHelper.DOWN in project superCleanMaster by joyoyao.

the class QuickReturnRecyclerViewOnScrollListener method onScrollStateChanged.

// endregion
@Override
public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
    super.onScrollStateChanged(recyclerView, newState);
    // apply another list' s on scroll listener
    for (RecyclerView.OnScrollListener listener : mExtraOnScrollListenerList) {
        listener.onScrollStateChanged(recyclerView, newState);
    }
    if (newState == RecyclerView.SCROLL_STATE_IDLE && mCanSlideInIdleScrollState) {
        int midHeader = -mMinHeaderTranslation / 2;
        int midFooter = mMinFooterTranslation / 2;
        switch(mQuickReturnType) {
            case HEADER:
                if (-mHeaderDiffTotal > 0 && -mHeaderDiffTotal < midHeader) {
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mHeader, "translationY", mHeader.getTranslationY(), 0);
                    anim.setDuration(100);
                    anim.start();
                    mHeaderDiffTotal = 0;
                } else if (-mHeaderDiffTotal < -mMinHeaderTranslation && -mHeaderDiffTotal >= midHeader) {
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mHeader, "translationY", mHeader.getTranslationY(), mMinHeaderTranslation);
                    anim.setDuration(100);
                    anim.start();
                    mHeaderDiffTotal = mMinHeaderTranslation;
                }
                break;
            case FOOTER:
                if (-mFooterDiffTotal > 0 && -mFooterDiffTotal < midFooter) {
                    // slide up
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mFooter, "translationY", mFooter.getTranslationY(), 0);
                    anim.setDuration(100);
                    anim.start();
                    mFooterDiffTotal = 0;
                } else if (-mFooterDiffTotal < mMinFooterTranslation && -mFooterDiffTotal >= midFooter) {
                    // slide down
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mFooter, "translationY", mFooter.getTranslationY(), mMinFooterTranslation);
                    anim.setDuration(100);
                    anim.start();
                    mFooterDiffTotal = -mMinFooterTranslation;
                }
                break;
            case BOTH:
                if (-mHeaderDiffTotal > 0 && -mHeaderDiffTotal < midHeader) {
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mHeader, "translationY", mHeader.getTranslationY(), 0);
                    anim.setDuration(100);
                    anim.start();
                    mHeaderDiffTotal = 0;
                } else if (-mHeaderDiffTotal < -mMinHeaderTranslation && -mHeaderDiffTotal >= midHeader) {
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mHeader, "translationY", mHeader.getTranslationY(), mMinHeaderTranslation);
                    anim.setDuration(100);
                    anim.start();
                    mHeaderDiffTotal = mMinHeaderTranslation;
                }
                if (-mFooterDiffTotal > 0 && -mFooterDiffTotal < midFooter) {
                    // slide up
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mFooter, "translationY", mFooter.getTranslationY(), 0);
                    anim.setDuration(100);
                    anim.start();
                    mFooterDiffTotal = 0;
                } else if (-mFooterDiffTotal < mMinFooterTranslation && -mFooterDiffTotal >= midFooter) {
                    // slide down
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mFooter, "translationY", mFooter.getTranslationY(), mMinFooterTranslation);
                    anim.setDuration(100);
                    anim.start();
                    mFooterDiffTotal = -mMinFooterTranslation;
                }
                break;
            case TWITTER:
                if (-mHeaderDiffTotal > 0 && -mHeaderDiffTotal < midHeader) {
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mHeader, "translationY", mHeader.getTranslationY(), 0);
                    anim.setDuration(100);
                    anim.start();
                    mHeaderDiffTotal = 0;
                } else if (-mHeaderDiffTotal < -mMinHeaderTranslation && -mHeaderDiffTotal >= midHeader) {
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mHeader, "translationY", mHeader.getTranslationY(), mMinHeaderTranslation);
                    anim.setDuration(100);
                    anim.start();
                    mHeaderDiffTotal = mMinHeaderTranslation;
                }
                if (-mFooterDiffTotal > 0 && -mFooterDiffTotal < midFooter) {
                    // slide up
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mFooter, "translationY", mFooter.getTranslationY(), 0);
                    anim.setDuration(100);
                    anim.start();
                    mFooterDiffTotal = 0;
                } else if (-mFooterDiffTotal < mMinFooterTranslation && -mFooterDiffTotal >= midFooter) {
                    // slide down
                    ObjectAnimator anim = ObjectAnimator.ofFloat(mFooter, "translationY", mFooter.getTranslationY(), mMinFooterTranslation);
                    anim.setDuration(100);
                    anim.start();
                    mFooterDiffTotal = -mMinFooterTranslation;
                }
                break;
        }
    }
}

Example 69 with DOWN

use of android.support.v7.widget.helper.ItemTouchHelper.DOWN in project Android-ObservableScrollView by ksoichiro.

the class ObservableRecyclerView method onScrollChanged.

@Override
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
    super.onScrollChanged(l, t, oldl, oldt);
    if (hasNoCallbacks()) {
        return;
    }
    if (getChildCount() > 0) {
        int firstVisiblePosition = getChildAdapterPosition(getChildAt(0));
        int lastVisiblePosition = getChildAdapterPosition(getChildAt(getChildCount() - 1));
        for (int i = firstVisiblePosition, j = 0; i <= lastVisiblePosition; i++, j++) {
            int childHeight = 0;
            View child = getChildAt(j);
            if (child != null) {
                if (mChildrenHeights.indexOfKey(i) < 0 || (child.getHeight() != mChildrenHeights.get(i))) {
                    childHeight = child.getHeight();
                }
            }
            mChildrenHeights.put(i, childHeight);
        }
        View firstVisibleChild = 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() + getPaddingTop();
            mPrevFirstVisiblePosition = firstVisiblePosition;
            dispatchOnScrollChanged(mScrollY, mFirstScroll, mDragging);
            if (mFirstScroll) {
                mFirstScroll = false;
            }
            if (mPrevScrollY < mScrollY) {
                // down
                mScrollState = ScrollState.UP;
            } else if (mScrollY < mPrevScrollY) {
                // up
                mScrollState = ScrollState.DOWN;
            } else {
                mScrollState = ScrollState.STOP;
            }
            mPrevScrollY = mScrollY;
        }
    }
}