Java Code Examples for androidx.recyclerview.widget.RecyclerView#getMeasuredHeight()

The following examples show how to use androidx.recyclerview.widget.RecyclerView#getMeasuredHeight() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GridSpacingItemDecoration.java    From a with GNU General Public License v3.0 6 votes vote down vote up 
private void drawVertical(Canvas canvas, RecyclerView parent) {
    final int top = parent.getPaddingTop();
    final int bottom = parent.getMeasuredHeight() - parent.getPaddingBottom();
    final int childSize = parent.getChildCount();
    for (int i = 0; i < childSize; i++) {
        final View child = parent.getChildAt(i);
        RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams();
        final int left = child.getRight() + layoutParams.rightMargin;
        final int right = left + space;
        if (mDivider != null) {
            mDivider.setBounds(left, top, right, bottom);
            mDivider.draw(canvas);
        }
        if (mPaint != null) {
            canvas.drawRect(left, top, right, bottom, mPaint);
        }
    }
}
Example 2
Source File: GridSpacingItemDecoration.java    From MyBookshelf with GNU General Public License v3.0 6 votes vote down vote up 
private void drawVertical(Canvas canvas, RecyclerView parent) {
    final int top = parent.getPaddingTop();
    final int bottom = parent.getMeasuredHeight() - parent.getPaddingBottom();
    final int childSize = parent.getChildCount();
    for (int i = 0; i < childSize; i++) {
        final View child = parent.getChildAt(i);
        RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams();
        final int left = child.getRight() + layoutParams.rightMargin;
        final int right = left + space;
        if (mDivider != null) {
            mDivider.setBounds(left, top, right, bottom);
            mDivider.draw(canvas);
        }
        if (mPaint != null) {
            canvas.drawRect(left, top, right, bottom, mPaint);
        }
    }
}
Example 3
Source File: RecyclerViewItemRangeSelector.java    From Telegram-FOSS with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
    boolean adapterIsEmpty = rv.getAdapter() == null || rv.getAdapter().getItemCount() == 0;
    boolean result = dragSelectActive && !adapterIsEmpty;

    if (result) {
        recyclerView = rv;

        if (hotspotHeight > -1) {
            hotspotTopBoundStart = hotspotOffsetTop;
            hotspotTopBoundEnd = hotspotOffsetTop + hotspotHeight;
            hotspotBottomBoundStart = rv.getMeasuredHeight() - hotspotHeight - hotspotOffsetBottom;
            hotspotBottomBoundEnd = rv.getMeasuredHeight() - hotspotOffsetBottom;
        }
    }

    if (result && e.getAction() == MotionEvent.ACTION_UP) {
        onDragSelectionStop();
    }
    return result;
}
Example 4
Source File: RecyclerViewItemRangeSelector.java    From Telegram with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
    boolean adapterIsEmpty = rv.getAdapter() == null || rv.getAdapter().getItemCount() == 0;
    boolean result = dragSelectActive && !adapterIsEmpty;

    if (result) {
        recyclerView = rv;

        if (hotspotHeight > -1) {
            hotspotTopBoundStart = hotspotOffsetTop;
            hotspotTopBoundEnd = hotspotOffsetTop + hotspotHeight;
            hotspotBottomBoundStart = rv.getMeasuredHeight() - hotspotHeight - hotspotOffsetBottom;
            hotspotBottomBoundEnd = rv.getMeasuredHeight() - hotspotOffsetBottom;
        }
    }

    if (result && e.getAction() == MotionEvent.ACTION_UP) {
        onDragSelectionStop();
    }
    return result;
}
Example 5
Source File: MainAdapter.java    From GeometricWeather with GNU Lesser General Public License v3.0 5 votes vote down vote up 
public void onScroll(RecyclerView recyclerView) {
    AbstractMainViewHolder holder;
    for (int i = 0; i < getItemCount(); i ++) {
        holder = (AbstractMainViewHolder) recyclerView.findViewHolderForAdapterPosition(i);
        if (holder != null && holder.getTop() < recyclerView.getMeasuredHeight()) {
            holder.enterScreen(pendingAnimatorList, listAnimationEnabled);
        }
    }
}
Example 6
Source File: MediaActivity.java    From Telegram-FOSS with GNU General Public License v2.0 4 votes vote down vote up 
private void updateSections(RecyclerView listView, boolean checkTopBottom) {
    int count = listView.getChildCount();
    int minPositionDateHolder = Integer.MAX_VALUE;
    View minDateChild = null;
    float padding = listView.getPaddingTop() + actionBar.getTranslationY();
    int minTop = Integer.MAX_VALUE;
    int maxBottom = 0;

    for (int a = 0; a < count; a++) {
        View view = listView.getChildAt(a);
        int bottom = view.getBottom();
        minTop = Math.min(minTop, view.getTop());
        maxBottom = Math.max(bottom, maxBottom);
        if (bottom <= padding) {
            continue;
        }
        int position = view.getBottom();
        if (view instanceof SharedMediaSectionCell || view instanceof GraySectionCell) {
            if (view.getAlpha() != 1.0f) {
                view.setAlpha(1.0f);
            }
            if (position < minPositionDateHolder) {
                minPositionDateHolder = position;
                minDateChild = view;
            }
        }
    }
    if (minDateChild != null) {
        if (minDateChild.getTop() > padding) {
            if (minDateChild.getAlpha() != 1.0f) {
                minDateChild.setAlpha(1.0f);
            }
        } else {
            if (minDateChild.getAlpha() != 0.0f) {
                minDateChild.setAlpha(0.0f);
            }
        }
    }
    if (checkTopBottom) {
        if (maxBottom != 0 && maxBottom < (listView.getMeasuredHeight() - listView.getPaddingBottom())) {
            resetScroll();
        } else if (minTop != Integer.MAX_VALUE && minTop > listView.getPaddingTop() + actionBar.getTranslationY()) {
            scrollWithoutActionBar(listView, -listView.computeVerticalScrollOffset());
            resetScroll();
        }
    }
}
Example 7
Source File: MediaActivity.java    From Telegram with GNU General Public License v2.0 4 votes vote down vote up 
private void updateSections(RecyclerView listView, boolean checkTopBottom) {
    int count = listView.getChildCount();
    int minPositionDateHolder = Integer.MAX_VALUE;
    View minDateChild = null;
    float padding = listView.getPaddingTop() + actionBar.getTranslationY();
    int minTop = Integer.MAX_VALUE;
    int maxBottom = 0;

    for (int a = 0; a < count; a++) {
        View view = listView.getChildAt(a);
        int bottom = view.getBottom();
        minTop = Math.min(minTop, view.getTop());
        maxBottom = Math.max(bottom, maxBottom);
        if (bottom <= padding) {
            continue;
        }
        int position = view.getBottom();
        if (view instanceof SharedMediaSectionCell || view instanceof GraySectionCell) {
            if (view.getAlpha() != 1.0f) {
                view.setAlpha(1.0f);
            }
            if (position < minPositionDateHolder) {
                minPositionDateHolder = position;
                minDateChild = view;
            }
        }
    }
    if (minDateChild != null) {
        if (minDateChild.getTop() > padding) {
            if (minDateChild.getAlpha() != 1.0f) {
                minDateChild.setAlpha(1.0f);
            }
        } else {
            if (minDateChild.getAlpha() != 0.0f) {
                minDateChild.setAlpha(0.0f);
            }
        }
    }
    if (checkTopBottom) {
        if (maxBottom != 0 && maxBottom < (listView.getMeasuredHeight() - listView.getPaddingBottom())) {
            resetScroll();
        } else if (minTop != Integer.MAX_VALUE && minTop > listView.getPaddingTop() + actionBar.getTranslationY()) {
            scrollWithoutActionBar(listView, -listView.computeVerticalScrollOffset());
            resetScroll();
        }
    }
}