Java AbsListView.getFirstVisiblePosition方法代码示例

本文整理汇总了Java中android.widget.AbsListView.getFirstVisiblePosition方法的典型用法代码示例。如果您正苦于以下问题：Java AbsListView.getFirstVisiblePosition方法的具体用法？Java AbsListView.getFirstVisiblePosition怎么用？Java AbsListView.getFirstVisiblePosition使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.widget.AbsListView的用法示例。

在下文中一共展示了AbsListView.getFirstVisiblePosition方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: canChildScrollUp

import android.widget.AbsListView; //导入方法依赖的package包/类
public static boolean canChildScrollUp(View view) {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (view instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) view;
            return absListView.getChildCount() > 0
                    && (absListView.getFirstVisiblePosition() > 0 || absListView.getChildAt(0)
                    .getTop() < absListView.getPaddingTop());
        } else {
            return view.getScrollY() > 0;
        }
    } else {
        return view.canScrollVertically(-1);
    }
}

开发者ID:sathishmscict，项目名称:android-Ultra-Pull-To-Refresh，代码行数:15，代码来源:PtrDefaultHandler.java

示例2: canChildScrollUp

import android.widget.AbsListView; //导入方法依赖的package包/类
/**
     * @return Whether it is possible for the child view of this layout to
     *         scroll up. Override this if the child view is a custom view.
     */
    public boolean canChildScrollUp() {
//        //For make it can work when my recycler view is in Gone.
//        return false;
        if (android.os.Build.VERSION.SDK_INT < 14) {
            if (mTarget instanceof AbsListView) {
                final AbsListView absListView = (AbsListView) mTarget;
                return absListView.getChildCount() > 0
                        && (absListView.getFirstVisiblePosition() > 0 || absListView.getChildAt(0)
                                .getTop() < absListView.getPaddingTop());
            } else {
                return ViewCompat.canScrollVertically(mTarget, -1) || mTarget.getScrollY() > 0;
            }
        } else {
            return ViewCompat.canScrollVertically(mTarget, -1);
        }
    }

开发者ID:zwmlibs，项目名称:BookReader-master，代码行数:21，代码来源:SwipeRefreshLayout.java

示例3: onScrollToTopOrBottom

import android.widget.AbsListView; //导入方法依赖的package包/类
private void onScrollToTopOrBottom(AbsListView view) {
    View childAt = view.getChildAt(0);
    if (childAt == null) {
        return;
    }
    //滑动到顶部
    if (view.getFirstVisiblePosition() == 0 &&
            childAt.getTop() >= 0) {
    //It is scrolled all the way up here
        if (mScrollChangeListener != null) {
            mScrollChangeListener.onScrollToTop();
        }
    }

    //滑动到底部
    if (view.getLastVisiblePosition() == view.getAdapter().getCount() - 1 &&
            view.getChildAt(
                    view.getChildCount() - 1).getBottom() <= view.getHeight()) {
        if (mScrollChangeListener != null) {
            mScrollChangeListener.onScrollToBottom();
        }
    }
}

开发者ID:hetianpeng，项目名称:shareApk，代码行数:24，代码来源:CalculatorOnScrollListener.java

示例4: onScrollStateChanged

import android.widget.AbsListView; //导入方法依赖的package包/类
@Override
public void onScrollStateChanged(AbsListView absListView, int scrollState) {
    // 判断是否是停止滚动状态
    if (scrollState == SCROLL_STATE_IDLE) {
        //获取停止时第一个可见item位置
        int firstVisiblePosition = absListView.getFirstVisiblePosition();
        //获取停止时最后一个可见item位置
        int lastVisiblePosition = absListView.getLastVisiblePosition();
        //去除SwipeListView刷新头
        if (firstVisiblePosition == 0 || firstVisiblePosition == lastVisiblePosition) {
            return;
        }
        //添加监听回馈
        if (mListener != null) {
            mListener.onStopVisibleItem(firstVisiblePosition, lastVisiblePosition);
        }
    }
}

开发者ID:SavorGit，项目名称:Hotspot-master-devp，代码行数:19，代码来源:OnScrollVisibleListener.java

示例5: defaultCanScrollUp

import android.widget.AbsListView; //导入方法依赖的package包/类
public static boolean defaultCanScrollUp(View view) {
    if (view == null) {
        return false;
    }
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (view instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) view;
            return absListView.getChildCount() > 0
                    && (absListView.getFirstVisiblePosition() > 0 || absListView.getChildAt(0)
                    .getTop() < absListView.getPaddingTop());
        } else {
            return ViewCompat.canScrollVertically(view, -1) || view.getScrollY() > 0;
        }
    } else {
        return ViewCompat.canScrollVertically(view, -1);
    }
}

开发者ID:coopese，项目名称:qmui，代码行数:18，代码来源:QMUIPullRefreshLayout.java

示例6: absListViewCanScrollList

import android.widget.AbsListView; //导入方法依赖的package包/类
/**
 * Copy From AbsListView (API Level >= 19)
 * @param absListView AbsListView
 * @param direction Negative to check scrolling up, positive to check
 *                  scrolling down.
 * @return true if the list can be scrolled in the specified direction,
 *         false otherwise
 */
private boolean absListViewCanScrollList(AbsListView absListView,int direction) {
    final int childCount = absListView.getChildCount();
    if (childCount == 0) {
        return false;
    }
    final int firstPosition = absListView.getFirstVisiblePosition();
    if (direction > 0) {//can scroll down
        final int lastBottom = absListView.getChildAt(childCount - 1).getBottom();
        final int lastPosition = firstPosition + childCount;
        return lastPosition < absListView.getCount() || lastBottom > absListView.getHeight() - absListView.getPaddingTop();
    } else {//can scroll  up
        final int firstTop = absListView.getChildAt(0).getTop();
        return firstPosition > 0 || firstTop < absListView.getPaddingTop();
    }
}

开发者ID:stytooldex，项目名称:pius1，代码行数:24，代码来源:SlideBottomPanel.java

示例7: canChildScrollDown

import android.widget.AbsListView; //导入方法依赖的package包/类
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);
    }
}

开发者ID:aliumujib，项目名称:SwipeToRefresh，代码行数:23，代码来源:SwipeToRefreshLayout.java

示例8: canScrollUp

import android.widget.AbsListView; //导入方法依赖的package包/类
private static boolean canScrollUp(View targetView) {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (targetView instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) targetView;
            return absListView.getChildCount() > 0
                    && (absListView.getFirstVisiblePosition() > 0 || absListView.getChildAt(0)
                    .getTop() < absListView.getPaddingTop());
        } else {
            return targetView.getScrollY() > 0;
        }
    } else {
        return targetView.canScrollVertically(-1);
    }
}

开发者ID:Brave-wan，项目名称:SmartRefresh，代码行数:15，代码来源:RefreshContentWrapper.java

示例9: isChildScrollToTop

import android.widget.AbsListView; //导入方法依赖的package包/类
/**
 * 判断目标View是否滑动到顶部-还能否继续滑动
 *
 * @return
 */
public boolean isChildScrollToTop() {
    if (Build.VERSION.SDK_INT < 14) {
        if (mTarget instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) mTarget;
            return !(absListView.getChildCount() > 0 && (absListView
                    .getFirstVisiblePosition() > 0 || absListView
                    .getChildAt(0).getTop() < absListView.getPaddingTop()));
        } else {
            return !(mTarget.getScrollY() > 0);
        }
    } else {
        return !ViewCompat.canScrollVertically(mTarget, -1);
    }
}

开发者ID:coderwjq，项目名称:ZhaZhaShop，代码行数:20，代码来源:SuperSwipeRefreshLayout.java

示例10: canViewScrollUp

import android.widget.AbsListView; //导入方法依赖的package包/类
private static boolean canViewScrollUp(View view) {
    if (view instanceof AbsListView) {
        // Pre-ICS we need to manually check the first visible item and the child view's top
        // value
        final AbsListView listView = (AbsListView) view;
        return listView.getChildCount() > 0 &&
                (listView.getFirstVisiblePosition() > 0
                        || listView.getChildAt(0).getTop() < listView.getPaddingTop());
    } else {
        // For all other view types we just check the getScrollY() value
        return view.getScrollY() > 0;
    }
}

开发者ID:lucasax，项目名称:Zero，代码行数:14，代码来源:MySwipeRefreshLayout.java

示例11: updateListViewScrollState

import android.widget.AbsListView; //导入方法依赖的package包/类
private void updateListViewScrollState(AbsListView listView) {
    if (listView.getChildCount() == 0) {
        setDraggable(true);
    } else {
        if (listView.getFirstVisiblePosition() == 0) {
            View firstChild = listView.getChildAt(0);
            if (firstChild.getTop() == listView.getPaddingTop()) {
                setDraggable(true);
                return;
            }
        }
        setDraggable(false);
    }
}

开发者ID:weiwenqiang，项目名称:GitHub，代码行数:15，代码来源:ScrollLayout.java

示例12: canChildScrollUp

import android.widget.AbsListView; //导入方法依赖的package包/类
public boolean canChildScrollUp() {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (mTarget instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) mTarget;
            return absListView.getChildCount() > 0 && (absListView.getFirstVisiblePosition() > 0
                    || absListView.getChildAt(0).getTop() < absListView.getPaddingTop());
        } else {
            return mTarget.getScrollY() > 0;
        }
    } else {
        return ViewCompat.canScrollVertically(mTarget, -1);
    }
}

开发者ID:shenhuanet，项目名称:AndroidOpen，代码行数:14，代码来源:SwipeToRefreshLayout.java

示例13: isListViewScrollOnTop

import android.widget.AbsListView; //导入方法依赖的package包/类
private static boolean isListViewScrollOnTop(AbsListView listView) {
    if (listView.getChildCount() == 0) {
        return true;
    }
    if (listView.getFirstVisiblePosition() > 0) {
        return false;
    }
    View topChild = listView.getChildAt(0);
    return topChild.getTop() >= 0;
}

开发者ID:kalikov，项目名称:lighthouse，代码行数:11，代码来源:PodcastsActivity.java

示例14: canChildScrollUp

import android.widget.AbsListView; //导入方法依赖的package包/类
/**
 * copy from {@link android.support.v4.widget.SwipeRefreshLayout#canChildScrollUp()}
 *
 * @return Whether it is possible for the child view of this layout to
 * scroll up. Override this if the child view is a custom view.
 */
protected boolean canChildScrollUp() {
    if (android.os.Build.VERSION.SDK_INT < 14) {
        if (mTargetView instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) mTargetView;
            return absListView.getChildCount() > 0
                    && (absListView.getFirstVisiblePosition() > 0 || absListView.getChildAt(0)
                    .getTop() < absListView.getPaddingTop());
        } else {
            return ViewCompat.canScrollVertically(mTargetView, -1) || mTargetView.getScrollY() > 0;
        }
    } else {
        return ViewCompat.canScrollVertically(mTargetView, -1);
    }
}

开发者ID:ebridfighter，项目名称:GongXianSheng，代码行数:21，代码来源:SwipeToLoadLayout.java

示例15: isChildScrollToTop

import android.widget.AbsListView; //导入方法依赖的package包/类
/**
 * 判断目标View是否滑动到顶部-还能否继续滑动
 *
 * @return
 */
public boolean isChildScrollToTop() {
    if (Build.VERSION.SDK_INT < 14) {
        if (((ViewGroup)mTarget).getChildAt(0) instanceof AbsListView) {
            final AbsListView absListView = (AbsListView) ((ViewGroup)mTarget).getChildAt(0);
            return !(absListView.getChildCount() > 0 && (absListView
                    .getFirstVisiblePosition() > 0 || absListView
                    .getChildAt(0).getTop() < absListView.getPaddingTop()));
        } else {
            return !(((ViewGroup)mTarget).getChildAt(0).getScrollY() > 0);
        }
    } else {
        return !ViewCompat.canScrollVertically(((ViewGroup)mTarget).getChildAt(0), -1);
    }
}

开发者ID:alibaba，项目名称:LuaViewPlayground，代码行数:20，代码来源:SuperSwipeRefreshLayout.java

注：本文中的android.widget.AbsListView.getFirstVisiblePosition方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。