Example usage for android.view View getBottom

Introduction

In this page you can find the example usage for android.view View getBottom.

Prototype

@ViewDebug.CapturedViewProperty
public final int getBottom() 

Source Link

Document

Bottom position of this view relative to its parent.

Usage

From source file:com.microsoft.mimickeralarm.appcore.AlarmListItemTouchHelperCallback.java

@Override
public void onChildDraw(Canvas canvas, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, float dX,
        float dY, int actionState, boolean isCurrentlyActive) {

    if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {

        View itemView = viewHolder.itemView;
        Resources resources = AlarmApplication.getAppContext().getResources();
        Bitmap icon = BitmapFactory.decodeResource(resources, R.drawable.delete_trash_can);
        int iconPadding = resources.getDimensionPixelOffset(R.dimen.alarm_list_delete_icon_padding);
        int maxDrawWidth = (iconPadding * 2) + icon.getWidth();

        Paint paint = new Paint();
        paint.setColor(ContextCompat.getColor(AlarmApplication.getAppContext(), R.color.red));

        int x = Math.round(Math.abs(dX));

        // Reset the dismiss flag if the view resets to its default position
        if (x == 0) {
            mCanDismiss = false;/*from www.j  a  va2s  . c o  m*/
        }

        // If we have travelled beyond the icon area via direct user interaction
        // we will dismiss when we get a swipe callback.  We do this to try to avoid
        // unwanted swipe dismissal
        if ((x > maxDrawWidth) && isCurrentlyActive) {
            mCanDismiss = true;
        }

        int drawWidth = Math.min(x, maxDrawWidth);
        // Cap the height of the drawable area to the selectable area - this improves the visual
        // for the first taller item in the alarm list
        int itemTop = itemView.getBottom() - resources.getDimensionPixelSize(R.dimen.alarm_list_item_height);

        if (dX > 0) {
            // Handle swiping to the right
            // Draw red background in area that we vacate up to maxDrawWidth
            canvas.drawRect((float) itemView.getLeft(), (float) itemTop, drawWidth,
                    (float) itemView.getBottom(), paint);

            // Only draw icon when we've past the padding threshold
            if (x > iconPadding) {

                Rect destRect = new Rect();
                destRect.left = itemView.getLeft() + iconPadding;
                destRect.top = itemTop + (itemView.getBottom() - itemTop - icon.getHeight()) / 2;
                int maxRight = destRect.left + icon.getWidth();
                destRect.right = Math.min(x, maxRight);
                destRect.bottom = destRect.top + icon.getHeight();

                // Only draw the appropriate parts of the bitmap as it is revealed
                Rect srcRect = null;
                if (x < maxRight) {
                    srcRect = new Rect();
                    srcRect.top = 0;
                    srcRect.left = 0;
                    srcRect.bottom = icon.getHeight();
                    srcRect.right = x - iconPadding;
                }

                canvas.drawBitmap(icon, srcRect, destRect, paint);
            }

        } else {
            // Handle swiping to the left
            // Draw red background in area that we vacate  up to maxDrawWidth
            canvas.drawRect((float) itemView.getRight() - drawWidth, (float) itemTop,
                    (float) itemView.getRight(), (float) itemView.getBottom(), paint);

            // Only draw icon when we've past the padding threshold
            if (x > iconPadding) {
                int fromLeftX = itemView.getRight() - x;
                Rect destRect = new Rect();
                destRect.right = itemView.getRight() - iconPadding;
                destRect.top = itemTop + (itemView.getBottom() - itemTop - icon.getHeight()) / 2;
                int maxFromLeft = destRect.right - icon.getWidth();
                destRect.left = Math.max(fromLeftX, maxFromLeft);
                destRect.bottom = destRect.top + icon.getHeight();

                // Only draw the appropriate parts of the bitmap as it is revealed
                Rect srcRect = null;
                if (fromLeftX > maxFromLeft) {
                    srcRect = new Rect();
                    srcRect.top = 0;
                    srcRect.right = icon.getWidth();
                    srcRect.bottom = icon.getHeight();
                    srcRect.left = srcRect.right - (x - iconPadding);
                }

                canvas.drawBitmap(icon, srcRect, destRect, paint);
            }
        }

        // Fade out the item as we swipe it
        float alpha = 1.0f - Math.abs(dX) / (float) itemView.getWidth();
        itemView.setAlpha(alpha);
        itemView.setTranslationX(dX);
    } else {
        super.onChildDraw(canvas, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
    }
}

---

From source file:com.chauthai.swipereveallayout.ViewDragHelper.java

/**
 * Tests scrollability within child views of v given a delta of dx.
 *
 * @param v      View to test for horizontal scrollability
 * @param checkV Whether the view v passed should itself be checked for scrollability (true),
 *               or just its children (false).
 * @param dx     Delta scrolled in pixels along the X axis
 * @param dy     Delta scrolled in pixels along the Y axis
 * @param x      X coordinate of the active touch point
 * @param y      Y coordinate of the active touch point
 * @return true if child views of v can be scrolled by delta of dx.
 *//*  w  ww .  j  a  v a 2 s .  c  o  m*/
protected boolean canScroll(View v, boolean checkV, int dx, int dy, int x, int y) {
    if (v instanceof ViewGroup) {
        final ViewGroup group = (ViewGroup) v;
        final int scrollX = v.getScrollX();
        final int scrollY = v.getScrollY();
        final int count = group.getChildCount();
        // Count backwards - let topmost views consume scroll distance first.
        for (int i = count - 1; i >= 0; i--) {
            // TODO: Add versioned support here for transformed views.
            // This will not work for transformed views in Honeycomb+
            final View child = group.getChildAt(i);
            if (x + scrollX >= child.getLeft() && x + scrollX < child.getRight()
                    && y + scrollY >= child.getTop() && y + scrollY < child.getBottom() && canScroll(child,
                            true, dx, dy, x + scrollX - child.getLeft(), y + scrollY - child.getTop())) {
                return true;
            }
        }
    }
    return checkV && (ViewCompat.canScrollHorizontally(v, -dx) || ViewCompat.canScrollVertically(v, -dy));
}

---

From source file:com.dmcc.bid.widget.swipebacklayout.ViewDragHelper.java

public View findTopChildUnder(int x, int y) {
    final int childCount = mParentView.getChildCount();
    for (int i = childCount - 1; i >= 0; i--) {
        final View child = mParentView.getChildAt(mCallback.getOrderedChildIndex(i));
        if (x >= child.getLeft() && x < child.getRight() && y >= child.getTop() && y < child.getBottom()) {
            return child;
        }/*from   w  w w.j  a v  a  2 s . com*/
    }
    return null;
}

---

From source file:co.codecrunch.musicplayerlite.slidinguppanelhelper.SlidingUpPanelLayout.java

/**
 * Tests scrollability within child views of v given a delta of dx.
 *
 * @param v/*  ww w.j  a va2s  .c  o m*/
 *            View to test for horizontal scrollability
 * @param checkV
 *            Whether the view v passed should itself be checked for
 *            scrollability (true), or just its children (false).
 * @param dx
 *            Delta scrolled in pixels
 * @param x
 *            X coordinate of the active touch point
 * @param y
 *            Y coordinate of the active touch point
 * @return true if child views of v can be scrolled by delta of dx.
 */
protected boolean canScroll(View v, boolean checkV, int dx, int x, int y) {
    if (v instanceof ViewGroup) {
        final ViewGroup group = (ViewGroup) v;
        final int scrollX = v.getScrollX();
        final int scrollY = v.getScrollY();
        final int count = group.getChildCount();
        // Count backwards - let topmost views consume scroll distance
        // first.
        for (int i = count - 1; i >= 0; i--) {
            final View child = group.getChildAt(i);
            if (x + scrollX >= child.getLeft() && x + scrollX < child.getRight()
                    && y + scrollY >= child.getTop() && y + scrollY < child.getBottom() && canScroll(child,
                            true, dx, x + scrollX - child.getLeft(), y + scrollY - child.getTop())) {
                return true;
            }
        }
    }
    return checkV && ViewCompat.canScrollHorizontally(v, -dx);
}

---

From source file:com.yangc.swipebacklayout.helper.ViewDragHelper.java

/**
 * Tests scrollability within child views of v given a delta of dx.
 *
 * @param v View to test for horizontal scrollability
 * @param checkV Whether the view v passed should itself be checked for scrollability (true), or just its children (false).
 * @param dx Delta scrolled in pixels along the X axis
 * @param dy Delta scrolled in pixels along the Y axis
 * @param x X coordinate of the active touch point
 * @param y Y coordinate of the active touch point
 * @return true if child views of v can be scrolled by delta of dx.
 *//*  ww w  .j a v  a 2  s . com*/
protected boolean canScroll(View v, boolean checkV, int dx, int dy, int x, int y) {
    if (v instanceof ViewGroup) {
        final ViewGroup group = (ViewGroup) v;
        final int scrollX = v.getScrollX();
        final int scrollY = v.getScrollY();
        final int count = group.getChildCount();
        // Count backwards - let topmost views consume scroll distance
        // first.
        for (int i = count - 1; i >= 0; i--) {
            // TODO: Add versioned support here for transformed views.
            // This will not work for transformed views in Honeycomb+
            final View child = group.getChildAt(i);
            if (x + scrollX >= child.getLeft() && x + scrollX < child.getRight()
                    && y + scrollY >= child.getTop() && y + scrollY < child.getBottom() && canScroll(child,
                            true, dx, dy, x + scrollX - child.getLeft(), y + scrollY - child.getTop())) {
                return true;
            }
        }
    }
    return checkV && (ViewCompat.canScrollHorizontally(v, -dx) || ViewCompat.canScrollVertically(v, -dy));
}

---

From source file:com.lansun.qmyo.view.ViewDragHelper.java

/**
 * Tests scrollability within child views of v given a delta of dx.
 * // ww w  .j  a v a2s  . c om
 * @param v
 *            View to test for horizontal scrollability
 * @param checkV
 *            Whether the view v passed should itself be checked for scrollability (true), or just its children (false).
 * @param dx
 *            Delta scrolled in pixels along the X axis
 * @param dy
 *            Delta scrolled in pixels along the Y axis
 * @param x
 *            X coordinate of the active touch point
 * @param y
 *            Y coordinate of the active touch point
 * @return true if child views of v can be scrolled by delta of dx.
 */
protected boolean canScroll(View v, boolean checkV, int dx, int dy, int x, int y) {
    if (v instanceof ViewGroup) {
        final ViewGroup group = (ViewGroup) v;
        final int scrollX = v.getScrollX();
        final int scrollY = v.getScrollY();
        final int count = group.getChildCount();
        // Count backwards - let topmost views consume scroll distance first.
        for (int i = count - 1; i >= 0; i--) {
            // This will not work for transformed views in Honeycomb+
            final View child = group.getChildAt(i);
            if (x + scrollX >= child.getLeft() && x + scrollX < child.getRight()
                    && y + scrollY >= child.getTop() && y + scrollY < child.getBottom() && canScroll(child,
                            true, dx, dy, x + scrollX - child.getLeft(), y + scrollY - child.getTop())) {
                return true;
            }
        }
    }

    return checkV && (ViewCompat.canScrollHorizontally(v, -dx) || ViewCompat.canScrollVertically(v, -dy));
}

---

From source file:com.shawnway.nav.app.yylg.view.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {

    if (isInEditMode() || tabCount == 0) {
        return;//from ww w .j  av  a  2  s.c o  m
    }

    final int height = getHeight();

    // draw indicator line

    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    // if there is an offset, start interpolating left and right coordinates
    // between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();

        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
    }
    switch (indicatorStyle) {
    case STYLE_CIRCLE:
        canvas.drawCircle((lineLeft + lineRight) / 2, (currentTab.getTop() + currentTab.getBottom()) / 2,
                circleSize, rectPaint);
        break;
    case STYLE_RECTANGLE:
        drawRectangle(canvas, height, currentTab, lineLeft, lineRight);
        break;
    case STYLE_NORMAL:
        drawNormalUnderLine(canvas, height, currentTab, lineLeft, lineRight);
    default:
        break;
    }
    super.onDraw(canvas);

    // // draw underline
    //
    // rectPaint.setColor(underlineColor);
    // canvas.drawRect(0, height - underlineHeight,
    // tabsContainer.getWidth(), height, rectPaint);

    // draw divider
    //
    // dividerPaint.setColor(dividerColor);
    // for (int i = 0; i < tabCount - 1; i++) {
    // View tab = tabsContainer.getChildAt(i);
    // canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(),
    // height - dividerPadding, dividerPaint);
    // }
}

---

From source file:com.cyanogenmod.filemanager.ui.widgets.ViewDragHelper.java

/**
 * Tests scrollability within child views of v given a delta of dx.
 *
 * @param v View to test for horizontal scrollability
 * @param checkV Whether the view v passed should itself be checked for scrollability (true),
 *               or just its children (false).
 * @param dx Delta scrolled in pixels along the X axis
 * @param dy Delta scrolled in pixels along the Y axis
 * @param x X coordinate of the active touch point
 * @param y Y coordinate of the active touch point
 * @return true if child views of v can be scrolled by delta of dx.
 *///from   w  w  w.j  a  va 2 s  . com
protected boolean canScroll(View v, boolean checkV, int dx, int dy, int x, int y) {
    if (v instanceof ViewGroup) {
        final ViewGroup group = (ViewGroup) v;
        final int scrollX = v.getScrollX();
        final int scrollY = v.getScrollY();
        final int count = group.getChildCount();
        // Count backwards - let topmost views consume scroll distance first.
        for (int i = count - 1; i >= 0; i--) {
            // TODO: Add versioned support here for transformed views.
            // This will not work for transformed views in Honeycomb+
            final View child = group.getChildAt(i);
            if (x + scrollX >= child.getLeft() && x + scrollX < child.getRight()
                    && y + scrollY >= child.getTop() && y + scrollY < child.getBottom() && canScroll(child,
                            true, dx, dy, x + scrollX - child.getLeft(), y + scrollY - child.getTop())) {
                return true;
            }
        }
    }

    return checkV && (v.canScrollHorizontally(-dx) || v.canScrollVertically(-dy));
}

---

From source file:com.shawnway.nav.app.wtw.view.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {

    if (isInEditMode() || tabCount == 0) {
        return;/* w  w w . j  av a  2s .  co m*/
    }

    final int height = getHeight();

    // draw indicator line

    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    // if there is an offset, startWeChat interpolating left and right coordinates
    // between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();

        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
    }
    switch (indicatorStyle) {
    case STYLE_CIRCLE:
        canvas.drawCircle((lineLeft + lineRight) / 2, (currentTab.getTop() + currentTab.getBottom()) / 2,
                circleSize, rectPaint);
        break;
    case STYLE_RECTANGLE:
        drawRectangle(canvas, height, currentTab, lineLeft, lineRight);
        break;
    case STYLE_NORMAL:
        drawNormalUnderLine(canvas, height, currentTab, lineLeft, lineRight);
    default:
        break;
    }
    super.onDraw(canvas);

    // // draw underline
    //
    // rectPaint.setColor(underlineColor);
    // canvas.drawRect(0, height - underlineHeight,
    // tabsContainer.getWidth(), height, rectPaint);

    // draw divider
    //
    // dividerPaint.setColor(dividerColor);
    // for (int i = 0; i < tabCount - 1; i++) {
    // View tab = tabsContainer.getChildAt(i);
    // canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(),
    // height - dividerPadding, dividerPaint);
    // }
}

---

From source file:com.callba.phone.widget.refreshlayout.RefreshLayout.java

/**
 * @return Whether it is possible for the child view of this layout to
 *         scroll down. Override this if the child view is a custom view.
 *//*w  w  w  .ja v  a 2  s. com*/
public boolean canChildScrollDown() {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (mTarget instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) mTarget;
            View lastChild = absListView.getChildAt(absListView.getChildCount() - 1);
            if (lastChild != null) {
                return (absListView.getLastVisiblePosition() == (absListView.getCount() - 1))
                        && lastChild.getBottom() > absListView.getPaddingBottom();
            } else {
                return false;
            }
        } else {
            return mTarget.getHeight() - mTarget.getScrollY() > 0;
        }
    } else {
        return ViewCompat.canScrollVertically(mTarget, 1);
    }
}

---

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