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

下面列出了androidx.recyclerview.widget.RecyclerView#getDecoratedBoundsWithMargins ( ) 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: WidgetCase   文件: DividerItemDecoration.java
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int left;
    final int right;
    //noinspection AndroidLintNewApi - NewApi lint fails to handle overrides.
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right,
                parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount - 1; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int bottom = mBounds.bottom + Math.round(child.getTranslationY());
        final int top = bottom - mDivider.getIntrinsicHeight();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}
 
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right,
                parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount() - (doNotDrawForLastItem ? 1 : 0);
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int bottom = mBounds.bottom + Math.round(child.getTranslationY());
        final int top = bottom - mDivider.getIntrinsicHeight();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}
 
@SuppressLint("NewApi")
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right,
                parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int bottom = mBounds.bottom + Math.round(ViewCompat.getTranslationY(child));
        final int top = bottom - mDivider.getIntrinsicHeight();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}
 
源代码4 项目: AndroidApp   文件: SimpleDividerItemDecoration.java
@Override
public void onDraw(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    canvas.save();
    final int right;
    //noinspection AndroidLintNewApi - NewApi lint fails to handle overrides.
    if (parent.getClipToPadding()) {
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(leftPadding, parent.getPaddingTop(), right,
                parent.getHeight() - parent.getPaddingBottom());
    } else {
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, bounds);
        final int bottom = bounds.bottom + Math.round(child.getTranslationY());
        final int top = bottom - 1;
        divider.setBounds(leftPadding, top, right, bottom);
        divider.draw(canvas);
    }
    canvas.restore();
}
 
private void drawHorizontal(Canvas canvas, RecyclerView parent) {
  final int itemCount = parent.getAdapter().getItemCount();
  final int childCount = parent.getChildCount();
  final int lastRowChildCount = getLastRowChildCount(itemCount);
  for (int i = 0; i < childCount; i++) {
    final View child = parent.getChildAt(i);

    if (isChildInLastRow(parent, child, itemCount, lastRowChildCount)) {
      continue;
    }

    parent.getDecoratedBoundsWithMargins(child, bounds);
    final int y = bounds.bottom;
    final int startX = bounds.left;
    final int stopX = bounds.right;
    canvas.drawLine(startX, y, stopX, y, dividerPaint);
  }
}
 
private void drawVertical(Canvas canvas, RecyclerView parent) {
  final int childCount = parent.getChildCount();
  final boolean isRTL =
      ViewCompat.getLayoutDirection(parent) == ViewCompat.LAYOUT_DIRECTION_RTL;
  for (int i = 0; i < childCount; i++) {
    final View child = parent.getChildAt(i);

    if (isChildInLastColumn(parent, child)) {
      continue;
    }

    parent.getDecoratedBoundsWithMargins(child, bounds);
    final int x = isRTL ? bounds.left : bounds.right;
    final int startY = bounds.top;
    final int stopY = bounds.bottom;
    canvas.drawLine(x, startY, x, stopY, dividerPaint);
  }
}
 
源代码7 项目: klingar   文件: DividerItemDecoration.java
private void drawVertical(Canvas canvas, RecyclerView parent) {
  canvas.save();
  // Drawable width defines left/right padding. Drawable height defines divider height.
  final int left = parent.getPaddingStart() + divider.getIntrinsicWidth();
  final int right = parent.getWidth() - parent.getPaddingEnd() - divider.getIntrinsicWidth();

  final int childCount = parent.getChildCount();
  for (int i = 0; i < childCount; i++) {
    final View child = parent.getChildAt(i);
    parent.getDecoratedBoundsWithMargins(child, bounds);
    final int bottom = bounds.bottom + Math.round(child.getTranslationY());
    final int top = bottom - divider.getIntrinsicHeight();
    divider.setBounds(left, top, right, bottom);
    divider.draw(canvas);
  }
  canvas.restore();
}
 
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int left;
    final int right;
    //noinspection AndroidLintNewApi - NewApi lint fails to handle overrides.
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right,
                parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int bottom = mBounds.bottom + Math.round(child.getTranslationY());
        final int top = bottom - mDividerSize;
        mDividerPaint.setColor(mDividerColor);
        mDividerPaint.setStyle(Paint.Style.FILL);
        canvas.drawRect(left + mMarginStart, top + mMarginTop, right - mMarginEnd, bottom - mMarginBottom, mDividerPaint);
    }
    canvas.restore();
}
 
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();

    int left;
    int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        if (isDecorated(i)) {
            View child = parent.getChildAt(i);
            parent.getDecoratedBoundsWithMargins(child, mBounds);
            int bottom = mBounds.bottom + Math.round(child.getTranslationY());
            int top = bottom - mDivider.getIntrinsicHeight();
            mDivider.setBounds(left, top, right, bottom);
            mDivider.draw(canvas);
        }
    }

    canvas.restore();
}
 
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int left;
    final int right;
    //noinspection AndroidLintNewApi - NewApi lint fails to handle overrides.
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right,
                parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    RecyclerView.Adapter adapter = parent.getAdapter();
    final int itemCount = adapter == null ? -1 : adapter.getItemCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        int adapterPosition = parent.getChildAdapterPosition(child);
        if (adapterPosition == 0 || adapterPosition == itemCount - 1)
            continue;

        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int bottom = mBounds.bottom + Math.round(child.getTranslationY());
        final int top = bottom - mDivider.getIntrinsicHeight();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}
 
源代码11 项目: FeatureAdapter   文件: OptionsItemDecoration.java
@Override
public void onDrawViewImpl(Canvas canvas, View view, RecyclerView.ViewHolder holder, RecyclerView parent, RecyclerView.State state) {
  canvas.save();
  parent.getDecoratedBoundsWithMargins(view, tempBounds);
  divider.setBounds(tempBounds.left, tempBounds.bottom - divider.getIntrinsicHeight(), tempBounds.right, tempBounds.bottom);
  divider.draw(canvas);
  canvas.restore();
}
 
@Override
public void onDraw(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    canvas.save();
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right,
                parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }
    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        if (!hasDivider(parent, child))
            continue;
        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int bottom = mBounds.bottom + Math.round(ViewCompat.getTranslationY(child));
        final int top = bottom - mDivider.getIntrinsicHeight();
        mDivider.setBounds(left, top, right, bottom);
        mDivider.setAlpha((int) (child.getAlpha() * 255));
        mDivider.draw(canvas);
    }
    canvas.restore();
}
 
/**
 * Draw a horizontal line.
 *
 * @param canvas Canvas
 * @param parent RecyclerView
 */
private void drawHorizontalLine(Canvas canvas, RecyclerView parent) {
    RecyclerView.LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager == null || mDivider == null) {
        return;
    }

    canvas.save();
    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        if (isLastRow(child, parent)) {
            continue;
        }

        parent.getDecoratedBoundsWithMargins(child, mBounds);
        final int left = mBounds.left;
        final int right = mBounds.right;
        int bottom = mBounds.bottom + Math.round(child.getTranslationY());
        // Horizontal GridLayout display in the left, margin top or bottom mDividerHeight / 2.
        if (mOrientation == HORIZONTAL && layoutManager instanceof GridLayoutManager) {
            bottom += mDividerHeight / 2;
        }
        final int top = bottom - mDividerHeight;
        mDivider.setBounds(left, top, right, bottom);
        mDivider.draw(canvas);
    }
    canvas.restore();
}
 
源代码14 项目: mage-android   文件: EventItemDecorator.java
@Override
public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
    if (parent.getLayoutManager() == null) {
        return;
    }

    c.save();
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        c.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, bounds);

        int position = parent.getChildAdapterPosition(child);
        if (parent.getAdapter().getItemViewType(position) == EventListAdapter.ITEM_TYPE_HEADER ||
            parent.getAdapter().getItemViewType(position + 1) == EventListAdapter.ITEM_TYPE_HEADER ||
            position == state.getItemCount() - 1) {
            continue;
        }

        final int bottom = bounds.bottom + Math.round(ViewCompat.getTranslationY(child));
        final int top = bottom - divider.getIntrinsicHeight();
        divider.setBounds(left, top, right, bottom);
        divider.draw(c);
    }
    c.restore();
}
 
源代码15 项目: FlexibleAdapter   文件: FlexibleItemDecoration.java
@SuppressLint("NewApi")
protected void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right,
                parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int itemCount = parent.getChildCount();
    for (int i = 0; i < itemCount - mDividerOnLastItem; i++) {
        final View child = parent.getChildAt(i);
        RecyclerView.ViewHolder viewHolder = parent.getChildViewHolder(child);
        if (shouldDrawDivider(viewHolder)) {
            parent.getDecoratedBoundsWithMargins(child, mBounds);
            final int bottom = mBounds.bottom + Math.round(child.getTranslationY());
            final int top = bottom - mDivider.getIntrinsicHeight();
            mDivider.setBounds(left, top, right, bottom);
            mDivider.draw(canvas);
        }
    }
    canvas.restore();
}
 
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    int left;
    int right;
    if (mDividerPadding != 0) {
        left = mDividerPadding;
        right = parent.getWidth() - mDividerPadding;
        canvas.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    int childCount = parent.getChildCount();

    for (int i = 0; i < childCount; ++i) {
        View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, this.mBounds);
        int bottom = this.mBounds.bottom + Math.round(child.getTranslationY());
        int top = bottom - this.mDivider.getIntrinsicHeight();
        this.mDivider.setBounds(left, top, right, bottom);
        this.mDivider.draw(canvas);
    }

    canvas.restore();
}