android.widget.AbsListView#getLastVisiblePosition ( )源码实例Demo

下面列出了android.widget.AbsListView#getLastVisiblePosition ( ) 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： YiBo 文件： StatusScrollListener.java

@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
	this.scrollState = scrollState;
	
	switch (scrollState) {
       case OnScrollListener.SCROLL_STATE_IDLE:
	    //Log.v(TAG, "已经停止：SCROLL_STATE_IDLE" + "-->" + view.getCount()); 
	    Context context = view.getContext();
	    SheJiaoMaoApplication sheJiaoMao = (SheJiaoMaoApplication) context.getApplicationContext();
	    if (view.getLastVisiblePosition() == view.getCount() - 1
	    	&& sheJiaoMao.isAutoLoadMore()) {
	    	view.getChildAt(view.getChildCount() - 1).performClick();
	    }
	    
	    displayImage(view);
	    break;
       case OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:
		   //Log.v(TAG, "SCROLL_STATE_TOUCH_SCROLL:当屏幕滚动且用户使用的触碰或手指还在屏幕上时为1");
		   break;
       case OnScrollListener.SCROLL_STATE_FLING:
	    //Log.v(TAG, "SCROLL_STATE_FLING:由于用户的操作，屏幕产生惯性滑动时为2");
	    break;
    }

}

源代码2 项目： Auie 文件： UIFlexListView.java

@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
	switch (scrollState) {
	case OnScrollListener.SCROLL_STATE_IDLE:
		//控制上拉加载更多
		if (isSuspend && view.getLastVisiblePosition() == (view.getCount() - 1)) {
               mListView.setType(UIListView.TYPE_ONLY_UP_LOADMORD);
		}else {
			mListView.setType(UIListView.TYPE_NONE);
		}
		break;

	default:
		break;
	}
}

源代码3 项目： SwipyRefreshLayout 文件： SwipyRefreshLayout.java

public boolean canChildScrollDown() {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (mTarget instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) mTarget;
            try {
                if (absListView.getCount() > 0) {
                    if (absListView.getLastVisiblePosition() + 1 == absListView.getCount()) {
                        int lastIndex = absListView.getLastVisiblePosition() - absListView.getFirstVisiblePosition();
                        return absListView.getChildAt(lastIndex).getBottom() == absListView.getPaddingBottom();
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return true;
        } else {
            return true;
        }
    } else {
        return ViewCompat.canScrollVertically(mTarget, 1);
    }
}

源代码4 项目： android-Ultra-Pull-To-Refresh-With-Load-More-master 文件： PtrDefaultHandler2.java

public static boolean canChildScrollDown(View view) {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (view instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) view;
            return absListView.getChildCount() > 0
                    && (absListView.getLastVisiblePosition() < absListView.getChildCount() - 1
                    || absListView.getChildAt(absListView.getChildCount() - 1).getBottom() > absListView.getPaddingBottom());
        } else if (view instanceof ScrollView) {
            ScrollView scrollView = (ScrollView) view;
            if (scrollView.getChildCount() == 0) {
                return false;
            } else {
                return scrollView.getScrollY() < scrollView.getChildAt(0).getHeight() - scrollView.getHeight();
            }
        } else {
            return false;
        }
    } else {
        return view.canScrollVertically(1);
    }
}

源代码5 项目： Android-Pull-To-Refresh 文件： ViewScrollChecker.java

private static boolean performAbsListView(AbsListView view, int direction) {
    int childCount = view.getChildCount();
    if (childCount > 0) {
        switch (direction) {
            case DIRECTION_DOWN:
                ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) view.getLayoutParams();
                int firstItemTop = view.getChildAt(0).getTop();
                int listViewTop = view.getTop() + view.getPaddingTop() - lp.topMargin;
                if (DEBUG_SCROLL_CHECK)
                    L.e(TAG, "firstItemTop=%s,listViewTop=%s", firstItemTop, listViewTop);
                return (view.getFirstVisiblePosition() > 0
                        || firstItemTop < listViewTop);
            case DIRECTION_UP:
                int lastItemBottom = view.getChildAt(childCount - 1).getBottom();
                int listViewBottom = view.getBottom() - view.getPaddingBottom();
                if (DEBUG_SCROLL_CHECK)
                    L.e(TAG, "lastItemBottom=%s,listViewBottom=%s", lastItemBottom, listViewBottom);
                return (view.getLastVisiblePosition() < childCount - 1
                        || lastItemBottom > listViewBottom);
        }
    }
    if (DEBUG_SCROLL_CHECK)
        L.e(TAG, "AbsListView cannot scroll vertically or childCount is 0!!");
    return false;
}

源代码6 项目： 30-android-libraries-in-30-days 文件： AbsListScrollSize.java

/**
     * This method is by no means accurate, and Will only work to any degree of accuracy if your list items
     * are the same height.
     * Otherwise it becomes vastly more difficult to calculate the correct height.
     *
     * @param listView listView to get height of, if no adapter is attached then nothing will happen.
     * @return 0 for failure.
     */
    public static int calculateApproximateHeight(AbsListView listView) {
        final ListAdapter adapter = listView.getAdapter();
        int onScreenHeight = 0, totalHeight = 0;
        final int totalCount = adapter.getCount();
        final int visibleCount = listView.getLastVisiblePosition() - listView.getFirstVisiblePosition();
        if (totalCount > 0) {
            View view;
            for (int i = 0; i < visibleCount; i++) {
//                final View view = adapter.getView(0, null, listView);
                view = listView.getChildAt(i);
//                view.measure(
//                        View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
//                        View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
                onScreenHeight += view.getMeasuredHeight();
            }
            // Get the average on screen height, then multiply it up.
            totalHeight = (onScreenHeight / visibleCount) * totalCount;
            // Add the divider height.
            if (listView instanceof ListView) {
                totalHeight += ((ListView) listView).getDividerHeight() * (totalCount - 1);
            }
        }
        return totalHeight;
    }

源代码7 项目： Paralloid 文件： AbsListScrollSize.java

/**
     * This method is by no means accurate, and Will only work to any degree of accuracy if your list items
     * are the same height.
     * Otherwise it becomes vastly more difficult to calculate the correct height.
     *
     * @param listView listView to get height of, if no adapter is attached then nothing will happen.
     * @return 0 for failure.
     */
    public static int calculateApproximateHeight(AbsListView listView) {
        final ListAdapter adapter = listView.getAdapter();
        int onScreenHeight = 0, totalHeight = 0;
        final int totalCount = adapter.getCount();
        final int visibleCount = listView.getLastVisiblePosition() - listView.getFirstVisiblePosition();
        if (totalCount > 0) {
            View view;
            for (int i = 0; i < visibleCount; i++) {
//                final View view = adapter.getView(0, null, listView);
                view = listView.getChildAt(i);
//                view.measure(
//                        View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
//                        View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
                onScreenHeight += view.getMeasuredHeight();
            }
            // Get the average on screen height, then multiply it up.
            totalHeight = (onScreenHeight / visibleCount) * totalCount;
            // Add the divider height.
            if (listView instanceof ListView) {
                totalHeight += ((ListView) listView).getDividerHeight() * (totalCount - 1);
            }
        }
        return totalHeight;
    }

源代码8 项目： SwipeToRefresh 文件： SwipeToRefreshLayout.java

public boolean canChildScrollDown() {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (mTarget instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) mTarget;
            try {
                if (absListView.getCount() > 0) {
                    if (absListView.getLastVisiblePosition() + 1 == absListView.getCount()) {
                        int lastIndex = absListView.getLastVisiblePosition() - absListView.getFirstVisiblePosition();
                        return absListView.getChildAt(lastIndex).getBottom() == absListView.getPaddingBottom();
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return true;
        } else {
            return true;
        }
    } else {
        return ViewCompat.canScrollVertically(mTarget, 1);
    }
}

源代码9 项目： AndroidStudyDemo 文件： SwipyRefreshLayout.java

public boolean canChildScrollDown() {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (mTarget instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) mTarget;
            try {
                if (absListView.getCount() > 0) {
                    if (absListView.getLastVisiblePosition() + 1 == absListView.getCount()) {
                        int lastIndex = absListView.getLastVisiblePosition() - absListView.getFirstVisiblePosition();
                        return absListView.getChildAt(lastIndex).getBottom() == absListView.getPaddingBottom();
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return true;
        } else {
            return true;
        }
    } else {
        return ViewCompat.canScrollVertically(mTarget, 1);
    }
}

源代码10 项目： dynamiclistview 文件： Util.java

public static int getItemIndexAtLocation(AbsListView listView, int y) {
	int index = 0;

	if (listView.getCount() <= 0) 
		return index;

	int k = listView.getFirstVisiblePosition();

	for(int i = k ; i <= listView.getLastVisiblePosition() ; i++) {
		View view = listView.getChildAt(i - k);
		if (y > view.getTop() && y < view.getBottom() ) {
			return index = i;
		}
	}

	return 0;
}

源代码11 项目： AndroidStudyDemo 文件： DiySwipeRefreshLayout.java

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);
    }
}

源代码12 项目： FamilyChat 文件： CommonPtrLayout.java

private boolean canScrollDown(View view)
{
    if (android.os.Build.VERSION.SDK_INT < 14)
    {
        if (view instanceof AbsListView)
        {
            final AbsListView absListView = (AbsListView) view;
            return absListView.getChildCount() > 0
                    && (absListView.getLastVisiblePosition() < absListView.getChildCount() - 1
                    || absListView.getChildAt(absListView.getChildCount() - 1).getBottom() > absListView.getPaddingBottom());
        } else
        {
            return ViewCompat.canScrollVertically(view, 1) || view.getScrollY() < 0;
        }
    } else
    {
        return ViewCompat.canScrollVertically(view, 1);
    }
}

源代码13 项目： CollapsingRefresh 文件： ScrollBoundaryUtil.java

public static boolean canScrollDown(View targetView) {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (targetView instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) targetView;
            return absListView.getChildCount() > 0
                    && (absListView.getLastVisiblePosition() < absListView.getChildCount() - 1
                    || absListView.getChildAt(absListView.getChildCount() - 1).getBottom() > absListView.getPaddingBottom());
        } else {
            return targetView.getScrollY() < 0;
        }
    } else {
        return targetView.canScrollVertically(1);
    }
}

源代码14 项目： SimpleProject 文件： ScrollStateUtil.java

/**
 * AbsListView类型的View是否已滑动到底部
 * @param listView
 * @return
 */
public static boolean absListViewReachBottom(AbsListView listView) {
	if (listView.getChildCount() > 0) {
		int lastItemBottom = listView.getChildAt(listView.getChildCount() - 1).getBottom();
		int listHeight = listView.getBottom() - listView.getTop();
		return listView.getLastVisiblePosition() == listView.getAdapter().getCount() - 1
				&& lastItemBottom <= listHeight;
	}

	return false;
}

源代码15 项目： FanXin-based-HuanXin 文件： AutoListView.java

private void ifNeedLoad(AbsListView view, int scrollState) {
	if (!loadEnable) {
		return;
	}
	try {
		if (scrollState == OnScrollListener.SCROLL_STATE_IDLE
				&& !isLoading
				&& view.getLastVisiblePosition() == view
						.getPositionForView(footer) && !isLoadFull) {
			onLoad();
			isLoading = true;
		}
	} catch (Exception e) {
	}
}

源代码16 项目： AssistantBySDK 文件： LingjuSwipeRefreshLayout.java

public boolean canChildScrollDown() {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (mTarget instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) mTarget;
            return absListView.getChildCount() > 0
                    && absListView.getLastVisiblePosition() == absListView.getAdapter().getCount() - 1;
        } else {
            return mTarget.getScrollY() < 0;
        }
    } else {
        return ViewCompat.canScrollVertically(mTarget, 1);
    }
}

源代码17 项目： CloudReader 文件： SlidingLayout.java

/**
 * 判断View是否可以下拉
 *
 * @return canChildScrollDown
 */
public boolean canChildScrollDown() {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        if (mTargetView instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) mTargetView;
            return absListView.getChildCount() > 0 && absListView.getAdapter() != null
                    && (absListView.getLastVisiblePosition() < absListView.getAdapter().getCount() - 1 || absListView.getChildAt(absListView.getChildCount() - 1)
                    .getBottom() < absListView.getPaddingBottom());
        } else {
            return ViewCompat.canScrollVertically(mTargetView, 1) || mTargetView.getScrollY() > 0;
        }
    } else {
        return ViewCompat.canScrollVertically(mTargetView, 1);
    }
}

源代码18 项目： CanRefresh 文件： CanRefreshLayout.java

private boolean canScrollDown(View view) {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (view instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) view;
            return absListView.getChildCount() > 0
                    && (absListView.getLastVisiblePosition() < absListView.getChildCount() - 1
                    || absListView.getChildAt(absListView.getChildCount() - 1).getBottom() > absListView.getPaddingBottom());
        } else {
            return ViewCompat.canScrollVertically(view, 1) || view.getScrollY() < 0;
        }
    } else {
        return ViewCompat.canScrollVertically(view, 1);
    }
}

源代码19 项目： rss 文件： ListViewFeeds.java

@Override
public
void onScrollStateChanged(AbsListView view, int scrollState)
{
    FeedsActivity activity = (FeedsActivity) view.getContext();

    if(SCROLL_STATE_TOUCH_SCROLL == scrollState || SCROLL_STATE_IDLE == scrollState)
    {
        Adapter adapter = view.getAdapter();
        int first = view.getFirstVisiblePosition();
        int last = view.getLastVisiblePosition();

        for(int i = 0; last - first >= i; i++)
        {
            View viewItem = view.getChildAt(i);

            if(null != viewItem && viewItem.isShown() && 0 <= viewItem.getTop())
            {
                FeedItem item = (FeedItem) adapter.getItem(first + i);
                activity.readItem(item.m_time);
            }
        }
    }
    if(SCROLL_STATE_IDLE == scrollState)
    {
        AsyncNavigationAdapter.run(activity);
    }
}

源代码20 项目： TwinklingRefreshLayout 文件： ScrollingUtil.java

public static boolean isAbsListViewToBottom(AbsListView absListView) {
    if (absListView != null && absListView.getAdapter() != null && absListView.getChildCount() > 0 && absListView.getLastVisiblePosition() == absListView.getAdapter().getCount() - 1) {
        View lastChild = absListView.getChildAt(absListView.getChildCount() - 1);

        return lastChild.getBottom() <= absListView.getMeasuredHeight();
    }
    return false;
}