androidx.recyclerview.widget.RecyclerView#getMeasuredHeight ( )源码实例Demo

下面列出了androidx.recyclerview.widget.RecyclerView#getMeasuredHeight ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： a 文件： GridSpacingItemDecoration.java

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);
        }
    }
}

源代码2 项目： MyBookshelf 文件： GridSpacingItemDecoration.java

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);
        }
    }
}

源代码3 项目： Telegram-FOSS 文件： RecyclerViewItemRangeSelector.java

@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;
}

源代码4 项目： Telegram 文件： RecyclerViewItemRangeSelector.java

@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;
}

源代码5 项目： GeometricWeather 文件： MainAdapter.java

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);
        }
    }
}

源代码6 项目： Telegram-FOSS 文件： MediaActivity.java

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();
        }
    }
}

源代码7 项目： Telegram 文件： MediaActivity.java

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();
        }
    }
}

方法所在类

androidx.recyclerview.widget.RecyclerView