Example usage for android.view View setPressed

Introduction

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

Prototype

public void setPressed(boolean pressed) 

Source Link

Document

Sets the pressed state for this view.

Usage

From source file:com.appunite.list.HorizontalListView.java

/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly./*from  ww w .j  a v a 2 s. com*/
 *
 * @param child The view to add
 * @param position The position of this child
 * @param x The x position relative to which this view will be positioned
 * @param flowRight If true, align top edge to x. If false, align bottom
 *        edge to x.
 * @param childTop Left edge where children should be positioned
 * @param selected Is this position selected?
 * @param recycled Has this view been pulled from the recycle bin? If so it
 *        does not need to be remeasured.
 */
private void setupChild(View child, int position, int x, boolean flowRight, int childTop, boolean selected,
        boolean recycled) {
    final boolean isSelected = selected && shouldShowSelector();
    final boolean updateChildSelected = isSelected != child.isSelected();
    final int mode = mTouchMode;
    final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLL && mMotionPosition == position;
    final boolean updateChildPressed = isPressed != child.isPressed();
    final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

    // Respect layout params that are already in the view. Otherwise make some up...
    // noinspection unchecked
    LayoutParams p = (LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter && p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowRight ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
            p.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowRight ? -1 : 0, p, true);
    }

    if (updateChildSelected) {
        child.setSelected(isSelected);
    }

    if (updateChildPressed) {
        child.setPressed(isPressed);
    }

    if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) {
        if (child instanceof Checkable) {
            ((Checkable) child).setChecked(mCheckStates.get(position));
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            Compat.setActivated(child, mCheckStates.get(position));
        }
    }

    if (needToMeasure) {
        int childHeightSpec = ViewGroup.getChildMeasureSpec(mHeightMeasureSpec,
                mListPadding.top + mListPadding.bottom, p.height);
        int lpWidth = p.width;
        int childWidthSpec;
        if (lpWidth > 0) {
            childWidthSpec = MeasureSpec.makeMeasureSpec(lpWidth, MeasureSpec.EXACTLY);
        } else {
            childWidthSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
        }
        child.measure(childWidthSpec, childHeightSpec);
    } else {
        cleanupLayoutState(child);
    }

    final int w = child.getMeasuredWidth();
    final int h = child.getMeasuredHeight();
    final int childLeft = flowRight ? x : x - w;

    if (needToMeasure) {
        final int childBottom = childTop + h;
        final int childRight = childLeft + w;
        child.layout(childLeft, childTop, childRight, childBottom);
    } else {
        child.offsetTopAndBottom(childTop - child.getTop());
        child.offsetLeftAndRight(childLeft - child.getLeft());
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB && recycled
            && (((LayoutParams) child.getLayoutParams()).scrappedFromPosition) != position) {
        Compat.jumpDrawablesToCurrentState(child);
    }
}

---

From source file:com.common.widget.hzlib.HorizontalListView.java

/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly./* w w  w. j  av a 2  s.  co  m*/
 *
 * @param child The view to add
 * @param position The position of this child
 * @param x The x position relative to which this view will be positioned
 * @param flowRight If true, align top edge to x. If false, align bottom
 *        edge to x.
 * @param childTop Left edge where children should be positioned
 * @param selected Is this position selected?
 * @param recycled Has this view been pulled from the recycle bin? If so it
 *        does not need to be remeasured.
 */
@SuppressLint("NewApi")
private void setupChild(View child, int position, int x, boolean flowRight, int childTop, boolean selected,
        boolean recycled) {
    final boolean isSelected = selected && shouldShowSelector();
    final boolean updateChildSelected = isSelected != child.isSelected();
    final int mode = mTouchMode;
    final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLL && mMotionPosition == position;
    final boolean updateChildPressed = isPressed != child.isPressed();
    final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

    // Respect layout params that are already in the view. Otherwise make some up...
    // noinspection unchecked
    LayoutParams p = (LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter && p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowRight ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
            p.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowRight ? -1 : 0, p, true);
    }

    if (updateChildSelected) {
        child.setSelected(isSelected);
    }

    if (updateChildPressed) {
        child.setPressed(isPressed);
    }

    if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) {
        if (child instanceof Checkable) {
            ((Checkable) child).setChecked(mCheckStates.get(position));
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            child.setActivated(mCheckStates.get(position));
        }
    }

    if (needToMeasure) {
        int childHeightSpec = ViewGroup.getChildMeasureSpec(mHeightMeasureSpec,
                mListPadding.top + mListPadding.bottom, p.height);
        int lpWidth = p.width;
        int childWidthSpec;
        if (lpWidth > 0) {
            childWidthSpec = MeasureSpec.makeMeasureSpec(lpWidth, MeasureSpec.EXACTLY);
        } else {
            childWidthSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
        }
        child.measure(childWidthSpec, childHeightSpec);
    } else {
        cleanupLayoutState(child);
    }

    final int w = child.getMeasuredWidth();
    final int h = child.getMeasuredHeight();
    final int childLeft = flowRight ? x : x - w;

    if (needToMeasure) {
        final int childBottom = childTop + h;
        final int childRight = childLeft + w;
        child.layout(childLeft, childTop, childRight, childBottom);
    } else {
        child.offsetTopAndBottom(childTop - child.getTop());
        child.offsetLeftAndRight(childLeft - child.getLeft());
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB && recycled
            && (((LayoutParams) child.getLayoutParams()).scrappedFromPosition) != position) {
        Compat.jumpDrawablesToCurrentState(child);
    }
}

---

From source file:com.liu.hz.view.HorizontalListView.java

/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.//  ww  w  .ja  v a 2 s . c o  m
 *
 * @param child The view to add
 * @param position The position of this child
 * @param x The x position relative to which this view will be positioned
 * @param flowRight If true, align top edge to x. If false, align bottom
 *        edge to x.
 * @param childTop Left edge where children should be positioned
 * @param selected Is this position selected?
 * @param recycled Has this view been pulled from the recycle bin? If so it
 *        does not need to be remeasured.
 */
private void setupChild(View child, int position, int x, boolean flowRight, int childTop, boolean selected,
        boolean recycled) {
    final boolean isSelected = selected && shouldShowSelector();
    final boolean updateChildSelected = isSelected != child.isSelected();
    final int mode = mTouchMode;
    final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLL && mMotionPosition == position;
    final boolean updateChildPressed = isPressed != child.isPressed();
    final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

    // Respect layout params that are already in the view. Otherwise make some up...
    // noinspection unchecked
    LayoutParams p = (LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter && p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowRight ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
            p.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowRight ? -1 : 0, p, true);
    }

    if (updateChildSelected) {
        child.setSelected(isSelected);
    }

    if (updateChildPressed) {
        child.setPressed(isPressed);
    }

    if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) {
        if (child instanceof Checkable) {
            ((Checkable) child).setChecked(mCheckStates.get(position));
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            child.setActivated(mCheckStates.get(position));
        }
    }

    if (needToMeasure) {
        int childHeightSpec = ViewGroup.getChildMeasureSpec(mHeightMeasureSpec,
                mListPadding.top + mListPadding.bottom, p.height);
        int lpWidth = p.width;
        int childWidthSpec;
        if (lpWidth > 0) {
            childWidthSpec = MeasureSpec.makeMeasureSpec(lpWidth, MeasureSpec.EXACTLY);
        } else {
            childWidthSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
        }
        child.measure(childWidthSpec, childHeightSpec);
    } else {
        cleanupLayoutState(child);
    }

    final int w = child.getMeasuredWidth();
    final int h = child.getMeasuredHeight();
    final int childLeft = flowRight ? x : x - w;

    if (needToMeasure) {
        final int childBottom = childTop + h;
        final int childRight = childLeft + w;
        child.layout(childLeft, childTop, childRight, childBottom);
    } else {
        child.offsetTopAndBottom(childTop - child.getTop());
        child.offsetLeftAndRight(childLeft - child.getLeft());
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB && recycled
            && (((LayoutParams) child.getLayoutParams()).scrappedFromPosition) != position) {
        Compat.jumpDrawablesToCurrentState(child);
    }
}

---

From source file:com.example.hlist.widget.HListView.java

/**
 * Add a view as a child and make sure it is measured (if necessary) and positioned properly.
 * // www  .  j a  v a 2  s  .  co  m
 * @param child
 *           The view to add
 * @param position
 *           The position of this child
 * @param x
 *           The x position relative to which this view will be positioned
 * @param flowDown
 *           If true, align left edge to x. If false, align right edge to x.
 * @param childrenTop
 *           Top edge where children should be positioned
 * @param selected
 *           Is this position selected?
 * @param recycled
 *           Has this view been pulled from the recycle bin? If so it does not need to be remeasured.
 */
@TargetApi(11)
private void setupChild(View child, int position, int x, boolean flowDown, int childrenTop, boolean selected,
        boolean recycled) {
    final boolean isSelected = selected && shouldShowSelector();
    final boolean updateChildSelected = isSelected != child.isSelected();
    final int mode = mTouchMode;
    final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLL && mMotionPosition == position;
    final boolean updateChildPressed = isPressed != child.isPressed();
    final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

    // Respect layout params that are already in the view. Otherwise make some up...
    // noinspection unchecked
    AbsHListView.LayoutParams p = (AbsHListView.LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (AbsHListView.LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter && p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowDown ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
            p.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowDown ? -1 : 0, p, true);
    }

    if (updateChildSelected) {
        child.setSelected(isSelected);
    }

    if (updateChildPressed) {
        child.setPressed(isPressed);
    }

    if (mChoiceMode != ListView.CHOICE_MODE_NONE && mCheckStates != null) {
        if (child instanceof Checkable) {
            ((Checkable) child).setChecked(mCheckStates.get(position, false));
        } else if (android.os.Build.VERSION.SDK_INT >= 11) {
            child.setActivated(mCheckStates.get(position, false));
        }
    }

    if (needToMeasure) {
        int childHeightSpec = ViewGroup.getChildMeasureSpec(mHeightMeasureSpec,
                mListPadding.top + mListPadding.bottom, p.height);
        int lpWidth = p.width;
        int childWidthSpec;
        if (lpWidth > 0) {
            childWidthSpec = MeasureSpec.makeMeasureSpec(lpWidth, MeasureSpec.EXACTLY);
        } else {
            childWidthSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
        }
        child.measure(childWidthSpec, childHeightSpec);
    } else {
        cleanupLayoutState(child);
    }

    final int w = child.getMeasuredWidth();
    final int h = child.getMeasuredHeight();
    final int childLeft = flowDown ? x : x - w;

    if (needToMeasure) {
        final int childBottom = childrenTop + h;
        final int childRight = childLeft + w;
        child.layout(childLeft, childrenTop, childRight, childBottom);
    } else {
        child.offsetLeftAndRight(childLeft - child.getLeft());
        child.offsetTopAndBottom(childrenTop - child.getTop());
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }

    if (android.os.Build.VERSION.SDK_INT >= 11) {
        if (recycled
                && (((AbsHListView.LayoutParams) child.getLayoutParams()).scrappedFromPosition) != position) {
            child.jumpDrawablesToCurrentState();
        }
    }
}

---

From source file:com.appunite.list.ListView.java

/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.//  w ww.ja  v a2  s .c  o m
 *
 * @param child The view to add
 * @param position The position of this child
 * @param y The y position relative to which this view will be positioned
 * @param flowDown If true, align top edge to y. If false, align bottom
 *        edge to y.
 * @param childrenLeft Left edge where children should be positioned
 * @param selected Is this position selected?
 * @param recycled Has this view been pulled from the recycle bin? If so it
 *        does not need to be remeasured.
 */
private void setupChild(View child, int position, int y, boolean flowDown, int childrenLeft, boolean selected,
        boolean recycled) {
    final boolean isSelected = selected && shouldShowSelector();
    final boolean updateChildSelected = isSelected != child.isSelected();
    final int mode = mTouchMode;
    final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLL && mMotionPosition == position;
    final boolean updateChildPressed = isPressed != child.isPressed();
    final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

    // Respect layout params that are already in the view. Otherwise make some up...
    // noinspection unchecked
    AbsListView.LayoutParams p = (AbsListView.LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (AbsListView.LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter && p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowDown ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
            p.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowDown ? -1 : 0, p, true);
    }

    if (updateChildSelected) {
        child.setSelected(isSelected);
    }

    if (updateChildPressed) {
        child.setPressed(isPressed);
    }

    if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) {
        if (child instanceof Checkable) {
            ((Checkable) child).setChecked(mCheckStates.get(position));
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            Compat.setActivated(child, mCheckStates.get(position));
        }
    }

    if (needToMeasure) {
        int childWidthSpec = ViewGroup.getChildMeasureSpec(mWidthMeasureSpec,
                mListPadding.left + mListPadding.right, p.width);
        int lpHeight = p.height;
        int childHeightSpec;
        if (lpHeight > 0) {
            childHeightSpec = MeasureSpec.makeMeasureSpec(lpHeight, MeasureSpec.EXACTLY);
        } else {
            childHeightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
        }
        child.measure(childWidthSpec, childHeightSpec);
    } else {
        cleanupLayoutState(child);
    }

    final int w = child.getMeasuredWidth();
    final int h = child.getMeasuredHeight();
    final int childTop = flowDown ? y : y - h;

    if (needToMeasure) {
        final int childRight = childrenLeft + w;
        final int childBottom = childTop + h;
        child.layout(childrenLeft, childTop, childRight, childBottom);
    } else {
        child.offsetLeftAndRight(childrenLeft - child.getLeft());
        child.offsetTopAndBottom(childTop - child.getTop());
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB && recycled
            && (((AbsListView.LayoutParams) child.getLayoutParams()).scrappedFromPosition) != position) {
        Compat.jumpDrawablesToCurrentState(child);
    }
}

---

From source file:com.awrtechnologies.carbudgetsales.hlistview.widget.HListView.java

/**
 * Add a view as a child and make sure it is measured (if necessary) and positioned properly.
 * //from  www .ja  v a  2  s  .c o  m
 * @param child
 *           The view to add
 * @param position
 *           The position of this child
 * @param x
 *           The x position relative to which this view will be positioned
 * @param flowDown
 *           If true, align left edge to x. If false, align right edge to x.
 * @param childrenTop
 *           Top edge where children should be positioned
 * @param selected
 *           Is this position selected?
 * @param recycled
 *           Has this view been pulled from the recycle bin? If so it does not need to be remeasured.
 */
@TargetApi(11)
private void setupChild(View child, int position, int x, boolean flowDown, int childrenTop, boolean selected,
        boolean recycled) {
    final boolean isSelected = selected && shouldShowSelector();
    final boolean updateChildSelected = isSelected != child.isSelected();
    final int mode = mTouchMode;
    final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLL && mMotionPosition == position;
    final boolean updateChildPressed = isPressed != child.isPressed();
    final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

    // Respect layout params that are already in the view. Otherwise make some up...
    // noinspection unchecked
    AbsHListView.LayoutParams p = (AbsHListView.LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (AbsHListView.LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter && p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowDown ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
            p.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowDown ? -1 : 0, p, true);
    }

    if (updateChildSelected) {
        child.setSelected(isSelected);
    }

    if (updateChildPressed) {
        child.setPressed(isPressed);
    }

    if (mChoiceMode != AbsListView.CHOICE_MODE_NONE && mCheckStates != null) {
        if (child instanceof Checkable) {
            ((Checkable) child).setChecked(mCheckStates.get(position, false));
        } else if (android.os.Build.VERSION.SDK_INT >= 11) {
            child.setActivated(mCheckStates.get(position, false));
        }
    }

    if (needToMeasure) {
        int childHeightSpec = ViewGroup.getChildMeasureSpec(mHeightMeasureSpec,
                mListPadding.top + mListPadding.bottom, p.height);
        int lpWidth = p.width;
        int childWidthSpec;
        if (lpWidth > 0) {
            childWidthSpec = MeasureSpec.makeMeasureSpec(lpWidth, MeasureSpec.EXACTLY);
        } else {
            childWidthSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
        }
        child.measure(childWidthSpec, childHeightSpec);
    } else {
        cleanupLayoutState(child);
    }

    final int w = child.getMeasuredWidth();
    final int h = child.getMeasuredHeight();
    final int childLeft = flowDown ? x : x - w;

    if (needToMeasure) {
        final int childBottom = childrenTop + h;
        final int childRight = childLeft + w;
        child.layout(childLeft, childrenTop, childRight, childBottom);
    } else {
        child.offsetLeftAndRight(childLeft - child.getLeft());
        child.offsetTopAndBottom(childrenTop - child.getTop());
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }

    if (android.os.Build.VERSION.SDK_INT >= 11) {
        if (recycled
                && (((AbsHListView.LayoutParams) child.getLayoutParams()).scrappedFromPosition) != position) {
            child.jumpDrawablesToCurrentState();
        }
    }
}

---

From source file:com.awrtechnologies.valor.valorfireplace.hlistview.widget.HListView.java

/**
 * Add a view as a child and make sure it is measured (if necessary) and positioned properly.
 *
 * @param child//from w  w w  .  j a  va 2  s  . c  o  m
 *           The view to add
 * @param position
 *           The position of this child
 * @param x
 *           The x position relative to which this view will be positioned
 * @param flowDown
 *           If true, align left edge to x. If false, align right edge to x.
 * @param childrenTop
 *           Top edge where children should be positioned
 * @param selected
 *           Is this position selected?
 * @param recycled
 *           Has this view been pulled from the recycle bin? If so it does not need to be remeasured.
 */
@TargetApi(11)
private void setupChild(View child, int position, int x, boolean flowDown, int childrenTop, boolean selected,
        boolean recycled) {
    final boolean isSelected = selected && shouldShowSelector();
    final boolean updateChildSelected = isSelected != child.isSelected();
    final int mode = mTouchMode;
    final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLL && mMotionPosition == position;
    final boolean updateChildPressed = isPressed != child.isPressed();
    final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

    // Respect layout params that are already in the view. Otherwise make some up...
    // noinspection unchecked
    AbsHListView.LayoutParams p = (AbsHListView.LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (AbsHListView.LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter && p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowDown ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
            p.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowDown ? -1 : 0, p, true);
    }

    if (updateChildSelected) {
        child.setSelected(isSelected);
    }

    if (updateChildPressed) {
        child.setPressed(isPressed);
    }

    if (mChoiceMode != ListView.CHOICE_MODE_NONE && mCheckStates != null) {
        if (child instanceof Checkable) {
            ((Checkable) child).setChecked(mCheckStates.get(position, false));
        } else if (android.os.Build.VERSION.SDK_INT >= 11) {
            child.setActivated(mCheckStates.get(position, false));
        }
    }

    if (needToMeasure) {
        int childHeightSpec = ViewGroup.getChildMeasureSpec(mHeightMeasureSpec,
                mListPadding.top + mListPadding.bottom, p.height);
        int lpWidth = p.width;
        int childWidthSpec;
        if (lpWidth > 0) {
            childWidthSpec = View.MeasureSpec.makeMeasureSpec(lpWidth, View.MeasureSpec.EXACTLY);
        } else {
            childWidthSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
        }
        child.measure(childWidthSpec, childHeightSpec);
    } else {
        cleanupLayoutState(child);
    }

    final int w = child.getMeasuredWidth();
    final int h = child.getMeasuredHeight();
    final int childLeft = flowDown ? x : x - w;

    if (needToMeasure) {
        final int childBottom = childrenTop + h;
        final int childRight = childLeft + w;
        child.layout(childLeft, childrenTop, childRight, childBottom);
    } else {
        child.offsetLeftAndRight(childLeft - child.getLeft());
        child.offsetTopAndBottom(childrenTop - child.getTop());
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }

    if (android.os.Build.VERSION.SDK_INT >= 11) {
        if (recycled
                && (((AbsHListView.LayoutParams) child.getLayoutParams()).scrappedFromPosition) != position) {
            child.jumpDrawablesToCurrentState();
        }
    }
}

---

From source file:com.common.widget.hzlib.ListView.java

/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly./*from  www  .ja va  2s . c o m*/
 *
 * @param child The view to add
 * @param position The position of this child
 * @param y The y position relative to which this view will be positioned
 * @param flowDown If true, align top edge to y. If false, align bottom
 *        edge to y.
 * @param childrenLeft Left edge where children should be positioned
 * @param selected Is this position selected?
 * @param recycled Has this view been pulled from the recycle bin? If so it
 *        does not need to be remeasured.
 */
private void setupChild(View child, int position, int y, boolean flowDown, int childrenLeft, boolean selected,
        boolean recycled) {
    final boolean isSelected = selected && shouldShowSelector();
    final boolean updateChildSelected = isSelected != child.isSelected();
    final int mode = mTouchMode;
    final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLL && mMotionPosition == position;
    final boolean updateChildPressed = isPressed != child.isPressed();
    final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

    // Respect layout params that are already in the view. Otherwise make some up...
    // noinspection unchecked
    AbsListView.LayoutParams p = (AbsListView.LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (AbsListView.LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter && p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowDown ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
            p.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowDown ? -1 : 0, p, true);
    }

    if (updateChildSelected) {
        child.setSelected(isSelected);
    }

    if (updateChildPressed) {
        child.setPressed(isPressed);
    }

    if (mChoiceMode != CHOICE_MODE_NONE && mCheckStates != null) {
        if (child instanceof Checkable) {
            ((Checkable) child).setChecked(mCheckStates.get(position));
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            child.setActivated(mCheckStates.get(position));
        }
    }

    if (needToMeasure) {
        int childWidthSpec = ViewGroup.getChildMeasureSpec(mWidthMeasureSpec,
                mListPadding.left + mListPadding.right, p.width);
        int lpHeight = p.height;
        int childHeightSpec;
        if (lpHeight > 0) {
            childHeightSpec = MeasureSpec.makeMeasureSpec(lpHeight, MeasureSpec.EXACTLY);
        } else {
            childHeightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
        }
        child.measure(childWidthSpec, childHeightSpec);
    } else {
        cleanupLayoutState(child);
    }

    final int w = child.getMeasuredWidth();
    final int h = child.getMeasuredHeight();
    final int childTop = flowDown ? y : y - h;

    if (needToMeasure) {
        final int childRight = childrenLeft + w;
        final int childBottom = childTop + h;
        child.layout(childrenLeft, childTop, childRight, childBottom);
    } else {
        child.offsetLeftAndRight(childrenLeft - child.getLeft());
        child.offsetTopAndBottom(childTop - child.getTop());
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB && recycled
            && (((AbsListView.LayoutParams) child.getLayoutParams()).scrappedFromPosition) != position) {
        Compat.jumpDrawablesToCurrentState(child);
    }
}

---

From source file:com.android.launcher3.Workspace.java

public void beginDragShared(View child, DragSource source) {
    child.clearFocus();//from   w w  w.j ava2 s .c  o m
    child.setPressed(false);

    // The outline is used to visualize where the item will land if dropped
    mDragOutline = createDragOutline(child, DRAG_BITMAP_PADDING);

    mLauncher.onDragStarted(child);
    // The drag bitmap follows the touch point around on the screen
    AtomicInteger padding = new AtomicInteger(DRAG_BITMAP_PADDING);
    final Bitmap b = createDragBitmap(child, padding);

    final int bmpWidth = b.getWidth();
    final int bmpHeight = b.getHeight();

    float scale = mLauncher.getDragLayer().getLocationInDragLayer(child, mTempXY);
    int dragLayerX = Math.round(mTempXY[0] - (bmpWidth - scale * child.getWidth()) / 2);
    int dragLayerY = Math.round(mTempXY[1] - (bmpHeight - scale * bmpHeight) / 2 - padding.get() / 2);

    LauncherAppState app = LauncherAppState.getInstance();
    DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
    Point dragVisualizeOffset = null;
    Rect dragRect = null;
    if (child instanceof BubbleTextView) {
        int iconSize = grid.iconSizePx;
        int top = child.getPaddingTop();
        int left = (bmpWidth - iconSize) / 2;
        int right = left + iconSize;
        int bottom = top + iconSize;
        dragLayerY += top;
        // Note: The drag region is used to calculate drag layer offsets, but the
        // dragVisualizeOffset in addition to the dragRect (the size) to position the outline.
        dragVisualizeOffset = new Point(-padding.get() / 2, padding.get() / 2);
        dragRect = new Rect(left, top, right, bottom);
    } else if (child instanceof FolderIcon) {
        int previewSize = grid.folderIconSizePx;
        dragRect = new Rect(0, child.getPaddingTop(), child.getWidth(), previewSize);
    }

    // Clear the pressed state if necessary
    if (child instanceof BubbleTextView) {
        BubbleTextView icon = (BubbleTextView) child;
        icon.clearPressedBackground();
    }

    if (child.getTag() == null || !(child.getTag() instanceof ItemInfo)) {
        String msg = "Drag started with a view that has no tag set. This "
                + "will cause a crash (issue 11627249) down the line. " + "View: " + child + "  tag: "
                + child.getTag();
        throw new IllegalStateException(msg);
    }

    DragView dv = mDragController.startDrag(b, dragLayerX, dragLayerY, source, child.getTag(),
            DragController.DRAG_ACTION_MOVE, dragVisualizeOffset, dragRect, scale);
    dv.setIntrinsicIconScaleFactor(source.getIntrinsicIconScaleFactor());

    if (child.getParent() instanceof ShortcutAndWidgetContainer) {
        mDragSourceInternal = (ShortcutAndWidgetContainer) child.getParent();
    }

    b.recycle();
}

---

From source file:com.example.libwidgettv.bak.AbsListView.java

private boolean startScrollIfNeeded(int y) {
    // Check if we have moved far enough that it looks more like a
    // scroll than a tap
    final int deltaY = y - mMotionY;
    final int distance = Math.abs(deltaY);
    final boolean overscroll = getScrollY() != 0;
    if (overscroll || distance > mTouchSlop) {
        createScrollingCache();/*from   www. j ava  2  s .  com*/
        if (overscroll) {
            mTouchMode = TOUCH_MODE_OVERSCROLL;
            mMotionCorrection = 0;
        } else {
            mTouchMode = TOUCH_MODE_SCROLL;
            mMotionCorrection = deltaY > 0 ? mTouchSlop : -mTouchSlop;
        }
        final Handler handler = getHandler();
        // Handler should not be null unless the AbsListView is not attached
        // to a
        // window, which would make it very hard to scroll it... but the
        // monkeys
        // say it's possible.
        if (handler != null) {
            handler.removeCallbacks(mPendingCheckForLongPress);
        }
        setPressed(false);
        View motionView = getChildAt(mMotionPosition - mFirstPosition);
        if (motionView != null) {
            motionView.setPressed(false);
        }
        reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL);
        // Time to start stealing events! Once we've stolen them, don't let
        // anyone
        // steal from us
        final ViewParent parent = getParent();
        if (parent != null) {
            parent.requestDisallowInterceptTouchEvent(true);
        }
        scrollIfNeeded(y);
        return true;
    }

    return false;
}

---

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