android.view.View#isPressed ( )源码实例Demo

下面列出了android.view.View#isPressed ( ) 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: ans-android-sdk   文件: ViewClickProbe.java
/**
 * 判断是否触发Click上报
 *
 * @param element          被点击控件
 * @param hasTrackClickAnn 是否有附属注解
 */
private boolean checkTrackClickEnable(Object pageObj, Object element, boolean hasTrackClickAnn) {
    AgentProcess instance = AgentProcess.getInstance();
    if (element instanceof View) {
        View v = (View) element;
        boolean isByUser = v.isPressed();
        if (v instanceof RatingBar || v instanceof CompoundButton) {
            if (!isByUser) {
                return false;
            }
        }
    }

    boolean isInBlack = instance.isThisViewInAutoClickBlackList(element)
            || (element != null && instance.isThisViewTypeInAutoClickBlackList(element.getClass()))
            || (pageObj != null && instance.isThisPageInAutoClickBlackList(pageObj.getClass().getName()));
    if (isInBlack) {
        return false;
    } else if (AgentProcess.getInstance().hasAutoClickWhiteList()) {
        return instance.isThisViewInAutoClickWhiteList(element)
                || (element != null && instance.isThisViewTypeInAutoClickWhiteList(element.getClass()))
                || (pageObj != null && instance.isThisPageInAutoClickWhiteList(pageObj.getClass().getName()));
    }
    return true;
}
 
源代码2 项目: android_9.0.0_r45   文件: DropDownListView.java
private void setPressedItem(@NonNull View child, int position, float x, float y) {
    mDrawsInPressedState = true;

    // Ordering is essential. First, update the container's pressed state.
    drawableHotspotChanged(x, y);
    if (!isPressed()) {
        setPressed(true);
    }

    // Next, run layout if we need to stabilize child positions.
    if (mDataChanged) {
        layoutChildren();
    }

    // Manage the pressed view based on motion position. This allows us to
    // play nicely with actual touch and scroll events.
    final View motionView = getChildAt(mMotionPosition - mFirstPosition);
    if (motionView != null && motionView != child && motionView.isPressed()) {
        motionView.setPressed(false);
    }
    mMotionPosition = position;

    // Offset for child coordinates.
    final float childX = x - child.getLeft();
    final float childY = y - child.getTop();
    child.drawableHotspotChanged(childX, childY);
    if (!child.isPressed()) {
        child.setPressed(true);
    }

    // Ensure that keyboard focus starts from the last touched position.
    setSelectedPositionInt(position);
    positionSelectorLikeTouch(position, child, x, y);

    // Refresh the drawable state to reflect the new pressed state,
    // which will also update the selector state.
    refreshDrawableState();
}
 
源代码3 项目: FantasySlide   文件: SideBar.java
void onMotionEventUp() {
    for (int i = 0; opened && i < getChildCount(); i++) {
        View child = getChildAt(i);
        if (child.isPressed()) {
            if (fantasyListener == null || !fantasyListener.onSelect(child, i)) {
                child.performClick();
            }
            return;
        }
    }
    if (fantasyListener != null) {
        fantasyListener.onCancel();
    }
}
 
/** Returns a matcher that matches {@link View}s that are pressed. */
public static Matcher<View> isPressed() {
  return new TypeSafeMatcher<View>() {
    @Override
    public void describeTo(Description description) {
      description.appendText("is pressed");
    }

    @Override
    public boolean matchesSafely(View view) {
      return view.isPressed();
    }
  };
}
 
源代码5 项目: Quiz   文件: ExerciseActivity.java
/**
 * Returns pressed button View
 * 
 * @return pressed button View
 */
private View getPressedButton() {
	for (View v : answerViews.keySet()) {
		if (v.isPressed()) {
			return v;
		}
	}
	return null;
}
 
源代码6 项目: letv   文件: HListView.java
@TargetApi(11)
private void setupChild(View child, int position, int x, boolean flowDown, int childrenTop, boolean selected, boolean recycled) {
    boolean isSelected = selected && shouldShowSelector();
    boolean updateChildSelected = isSelected != child.isSelected();
    int mode = this.mTouchMode;
    boolean isPressed = mode > 0 && mode < 3 && this.mMotionPosition == position;
    boolean updateChildPressed = isPressed != child.isPressed();
    boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();
    LayoutParams p = (LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = this.mAdapter.getItemViewType(position);
    if ((!recycled || p.forceAdd) && !(p.recycledHeaderFooter && p.viewType == -2)) {
        p.forceAdd = false;
        if (p.viewType == -2) {
            p.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowDown ? -1 : 0, p, true);
    } else {
        attachViewToParent(child, flowDown ? -1 : 0, p);
    }
    if (updateChildSelected) {
        child.setSelected(isSelected);
    }
    if (updateChildPressed) {
        child.setPressed(isPressed);
    }
    if (!(this.mChoiceMode == 0 || this.mCheckStates == null)) {
        if (child instanceof Checkable) {
            ((Checkable) child).setChecked(((Boolean) this.mCheckStates.get(position, Boolean.valueOf(false))).booleanValue());
        } else if (VERSION.SDK_INT >= 11) {
            child.setActivated(((Boolean) this.mCheckStates.get(position, Boolean.valueOf(false))).booleanValue());
        }
    }
    if (needToMeasure) {
        int childWidthSpec;
        int childHeightSpec = ViewGroup.getChildMeasureSpec(this.mHeightMeasureSpec, this.mListPadding.top + this.mListPadding.bottom, p.height);
        int lpWidth = p.width;
        if (lpWidth > 0) {
            childWidthSpec = MeasureSpec.makeMeasureSpec(lpWidth, 1073741824);
        } else {
            childWidthSpec = MeasureSpec.makeMeasureSpec(0, 0);
        }
        child.measure(childWidthSpec, childHeightSpec);
    } else {
        cleanupLayoutState(child);
    }
    int w = child.getMeasuredWidth();
    int h = child.getMeasuredHeight();
    int childLeft = flowDown ? x : x - w;
    if (needToMeasure) {
        child.layout(childLeft, childrenTop, childLeft + w, childrenTop + h);
    } else {
        child.offsetLeftAndRight(childLeft - child.getLeft());
        child.offsetTopAndBottom(childrenTop - child.getTop());
    }
    if (this.mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }
    if (VERSION.SDK_INT >= 11 && recycled && ((LayoutParams) child.getLayoutParams()).scrappedFromPosition != position) {
        child.jumpDrawablesToCurrentState();
    }
}
 
源代码7 项目: AndroidStudyDemo   文件: ZrcListView.java
/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.
 *
 * @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.
 */
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
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
    ZrcAbsListView.LayoutParams p = (ZrcAbsListView.LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (ZrcAbsListView.LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter &&
            p.viewType == ZrcAdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowDown ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == ZrcAdapterView.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 (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 (recycled &&
            (((ZrcAbsListView.LayoutParams) child.getLayoutParams()).scrappedFromPosition) !=
                    position) {
        if (Build.VERSION.SDK_INT >= 11) {
            child.jumpDrawablesToCurrentState();
        }
    }
}
 
源代码8 项目: recent-images   文件: TwoWayGridView.java
/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.
 *
 * @param child The view to add
 * @param position The position of the view
 * @param y The y position relative to which this view will be positioned
 * @param flow 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.
 * @param where Where to add the item in the list
 *
 */
private void setupChild(View child, int position, int y, boolean flow, int childrenLeft,
		boolean selected, boolean recycled, int where) {
	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();

	boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

	// Respect layout params that are already in the view. Otherwise make
	// some up...
	TwoWayAbsListView.LayoutParams p = (TwoWayAbsListView.LayoutParams)child.getLayoutParams();
	if (p == null) {
		p = new TwoWayAbsListView.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,
				ViewGroup.LayoutParams.WRAP_CONTENT, 0);
	}
	p.viewType = mAdapter.getItemViewType(position);

	if (recycled && !p.forceAdd) {
		attachViewToParent(child, where, p);
	} else {
		p.forceAdd = false;
		addViewInLayout(child, where, p, true);
	}

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

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

	if (needToMeasure) {
		int childHeightSpec = ViewGroup.getChildMeasureSpec(
				MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), 0, p.height);

		int childWidthSpec = ViewGroup.getChildMeasureSpec(
				MeasureSpec.makeMeasureSpec(mColumnWidth, MeasureSpec.EXACTLY), 0, p.width);
		child.measure(childWidthSpec, childHeightSpec);
	} else {
		cleanupLayoutState(child);
	}

	final int w = child.getMeasuredWidth();
	final int h = child.getMeasuredHeight();

	int childLeft;
	final int childTop = flow ? y : y - h;

	switch (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
	case Gravity.LEFT:
		childLeft = childrenLeft;
		break;
	case Gravity.CENTER_HORIZONTAL:
		childLeft = childrenLeft + ((mColumnWidth - w) / 2);
		break;
	case Gravity.RIGHT:
		childLeft = childrenLeft + mColumnWidth - w;
		break;
	default:
		childLeft = childrenLeft;
		break;
	}

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

	if (mCachingStarted) {
		child.setDrawingCacheEnabled(true);
	}
}
 
源代码9 项目: recent-images   文件: TwoWayGridView.java
/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.
 *
 * @param child The view to add
 * @param position The position of the view
 * @param x The x position relative to which this view will be positioned
 * @param flow 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.
 * @param where Where to add the item in the list
 *
 */
private void setupChild(View child, int position, int x, boolean flow, int childrenTop,
		boolean selected, boolean recycled, int where) {
	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();

	boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

	// Respect layout params that are already in the view. Otherwise make
	// some up...
	TwoWayAbsListView.LayoutParams p = (TwoWayAbsListView.LayoutParams)child.getLayoutParams();
	if (p == null) {
		p = new TwoWayAbsListView.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
				ViewGroup.LayoutParams.FILL_PARENT, 0);
	}
	p.viewType = mAdapter.getItemViewType(position);

	if (recycled && !p.forceAdd) {
		attachViewToParent(child, where, p);
	} else {
		p.forceAdd = false;
		addViewInLayout(child, where, p, true);
	}

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

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

	if (needToMeasure) {
		int childWidthSpec = ViewGroup.getChildMeasureSpec(
				MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), 0, p.width);

		int childHeightSpec = ViewGroup.getChildMeasureSpec(
				MeasureSpec.makeMeasureSpec(mRowHeight, MeasureSpec.EXACTLY), 0, p.height);
		child.measure(childWidthSpec, childHeightSpec);
	} else {
		cleanupLayoutState(child);
	}

	final int w = child.getMeasuredWidth();
	final int h = child.getMeasuredHeight();

	final int childLeft = flow ? x : x - w;
	int childTop;

	switch (mGravity & Gravity.VERTICAL_GRAVITY_MASK) {
	case Gravity.TOP:
		childTop = childrenTop;
		break;
	case Gravity.CENTER_HORIZONTAL:
		childTop = childrenTop + ((mRowHeight - h) / 2);
		break;
	case Gravity.RIGHT:
		childTop = childrenTop + mRowHeight - h;
		break;
	default:
		childTop = childrenTop;
		break;
	}

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

	if (mCachingStarted) {
		child.setDrawingCacheEnabled(true);
	}
}
 
源代码10 项目: SimplifyReader   文件: PLAListView.java
/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.
 *
 * @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
    LayoutParams p = (LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.WRAP_CONTENT, 0);
    }
    p.viewType = mAdapter.getItemViewType(position);
    p.scrappedFromPosition = position;

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

        onMeasureChild( child, position, childWidthSpec, childHeightSpec );
        //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);
        onLayoutChild(child, position, childrenLeft, childTop, childRight, childBottom);
    } else {
        final int offsetLeft = childrenLeft - child.getLeft();
        final int offsetTop = childTop - child.getTop();
        onOffsetChild(child, position, offsetLeft, offsetTop);
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }
}
 
源代码11 项目: Lay-s   文件: PLAListView.java
/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.
 *
 * @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
    LayoutParams p = (LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.WRAP_CONTENT, 0);
    }
    p.viewType = mAdapter.getItemViewType(position);
    p.scrappedFromPosition = position;

    if ((recycled && !p.forceAdd) || (p.recycledHeaderFooter &&
            p.viewType == PLAAdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowDown ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == PLAAdapterView.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 (needToMeasure) {
        int childWidthSpec = ViewGroup.getChildMeasureSpec(mWidthMeasureSpec,
                mListPadding.left + mListPadding.right, p.width);
        int lpHeight = p.height;
        int childHeightSpec;
        if (lpHeight > 0) {
            childHeightSpec = View.MeasureSpec.makeMeasureSpec(lpHeight, View.MeasureSpec.EXACTLY);
        } else {
            childHeightSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
        }

        onMeasureChild( child, position, childWidthSpec, childHeightSpec );
        //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);
        onLayoutChild(child, position, childrenLeft, childTop, childRight, childBottom);
    } else {
        final int offsetLeft = childrenLeft - child.getLeft();
        final int offsetTop = childTop - child.getTop();
        onOffsetChild(child, position, offsetLeft, offsetTop);
    }

    if (mCachingStarted && !child.isDrawingCacheEnabled()) {
        child.setDrawingCacheEnabled(true);
    }
}
 
源代码12 项目: Klyph   文件: HListView.java
/**
 * Add a view as a child and make sure it is measured (if necessary) and positioned properly.
 * 
 * @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.
 */
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 ) );
		} else if ( android.os.Build.VERSION.SDK_INT >= 11 ) {
			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 = 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();
		}
	}
}
 
源代码13 项目: UltimateAndroid   文件: ExtendableListView.java
/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.
 *
 * @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 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,
                        boolean selected, boolean recycled) {
    final boolean isSelected = false; // TODO : selected && shouldShowSelector();
    final boolean updateChildSelected = isSelected != child.isSelected();
    final int mode = mTouchMode;
    final boolean isPressed = mode > TOUCH_MODE_DOWN && mode < TOUCH_MODE_SCROLLING &&
            mMotionPosition == position;
    final boolean updateChildPressed = isPressed != child.isPressed();
    final boolean needToMeasure = !recycled || updateChildSelected || child.isLayoutRequested();

    int itemViewType = mAdapter.getItemViewType(position);

    LayoutParams layoutParams;
    if (itemViewType == ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
        layoutParams = generateWrapperLayoutParams(child);
    }
    else {
        layoutParams = generateChildLayoutParams(child);
    }

    layoutParams.viewType = itemViewType;
    layoutParams.position = position;

    if (recycled || (layoutParams.recycledHeaderFooter &&
            layoutParams.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        if (DBG) Log.d(TAG, "setupChild attachViewToParent position:" + position);
        attachViewToParent(child, flowDown ? -1 : 0, layoutParams);
    }
    else {
        if (DBG) Log.d(TAG, "setupChild addViewInLayout position:" + position);
        if (layoutParams.viewType == AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER) {
            layoutParams.recycledHeaderFooter = true;
        }
        addViewInLayout(child, flowDown ? -1 : 0, layoutParams, true);
    }

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

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

    if (needToMeasure) {
        if (DBG) Log.d(TAG, "setupChild onMeasureChild position:" + position);
        onMeasureChild(child, layoutParams);
    }
    else {
        if (DBG) Log.d(TAG, "setupChild cleanupLayoutState position:" + position);
        cleanupLayoutState(child);
    }

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

    if (DBG) {
        Log.d(TAG, "setupChild position:" + position + " h:" + h + " w:" + w);
    }

    final int childrenLeft = getChildLeft(position);

    if (needToMeasure) {
        final int childRight = childrenLeft + w;
        final int childBottom = childTop + h;
        onLayoutChild(child, position, flowDown, childrenLeft, childTop, childRight, childBottom);
    }
    else {
        onOffsetChild(child, position, flowDown, childrenLeft, childTop);
    }

}
 
源代码14 项目: ZrcListView   文件: ZrcListView.java
/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.
 *
 * @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.
 */
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
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
    ZrcAbsListView.LayoutParams p = (ZrcAbsListView.LayoutParams) child.getLayoutParams();
    if (p == null) {
        p = (ZrcAbsListView.LayoutParams) generateDefaultLayoutParams();
    }
    p.viewType = mAdapter.getItemViewType(position);

    if ((recycled && !p.forceAdd)
            || (p.recycledHeaderFooter &&
            p.viewType == ZrcAdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER)) {
        attachViewToParent(child, flowDown ? -1 : 0, p);
    } else {
        p.forceAdd = false;
        if (p.viewType == ZrcAdapterView.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 (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 (recycled &&
            (((ZrcAbsListView.LayoutParams) child.getLayoutParams()).scrappedFromPosition) !=
                    position) {
        if (APIUtil.isSupport(11)) {
            child.jumpDrawablesToCurrentState();
        }
    }
}
 
源代码15 项目: EverMemo   文件: PLA_ListView.java
/**
 * Add a view as a child and make sure it is measured (if necessary) and
 * positioned properly.
 *
 * @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
	PLA_AbsListView.LayoutParams p = (PLA_AbsListView.LayoutParams) child.getLayoutParams();
	if (p == null) {
		p = new PLA_AbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
				ViewGroup.LayoutParams.WRAP_CONTENT, 0);
	}
	p.viewType = mAdapter.getItemViewType(position);

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

		onMeasureChild( child, position, childWidthSpec, childHeightSpec );
		//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);
		onLayoutChild(child, position, childrenLeft, childTop, childRight, childBottom);
	} else {
		final int offsetLeft = childrenLeft - child.getLeft();
		final int offsetTop = childTop - child.getTop();
		onOffsetChild(child, position, offsetLeft, offsetTop);
	}

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