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Java AbsListView.getFirstVisiblePosition方法代碼示例

本文整理匯總了Java中android.widget.AbsListView.getFirstVisiblePosition方法的典型用法代碼示例。如果您正苦於以下問題：Java AbsListView.getFirstVisiblePosition方法的具體用法？Java AbsListView.getFirstVisiblePosition怎麽用？Java AbsListView.getFirstVisiblePosition使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類android.widget.AbsListView的用法示例。


在下文中一共展示了AbsListView.getFirstVisiblePosition方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: canChildScrollUp

import android.widget.AbsListView; //導入方法依賴的package包/類
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);
    }
}
開發者ID:sathishmscict，項目名稱:android-Ultra-Pull-To-Refresh，代碼行數:15，代碼來源:PtrDefaultHandler.java

示例2: canChildScrollUp

import android.widget.AbsListView; //導入方法依賴的package包/類
/**
     * @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);
        }
    }
開發者ID:zwmlibs，項目名稱:BookReader-master，代碼行數:21，代碼來源:SwipeRefreshLayout.java

示例3: onScrollToTopOrBottom

import android.widget.AbsListView; //導入方法依賴的package包/類
private void onScrollToTopOrBottom(AbsListView view) {
    View childAt = view.getChildAt(0);
    if (childAt == null) {
        return;
    }
    //滑動到頂部
    if (view.getFirstVisiblePosition() == 0 &&
            childAt.getTop() >= 0) {
    //It is scrolled all the way up here
        if (mScrollChangeListener != null) {
            mScrollChangeListener.onScrollToTop();
        }
    }

    //滑動到底部
    if (view.getLastVisiblePosition() == view.getAdapter().getCount() - 1 &&
            view.getChildAt(
                    view.getChildCount() - 1).getBottom() <= view.getHeight()) {
        if (mScrollChangeListener != null) {
            mScrollChangeListener.onScrollToBottom();
        }
    }
}
開發者ID:hetianpeng，項目名稱:shareApk，代碼行數:24，代碼來源:CalculatorOnScrollListener.java

示例4: onScrollStateChanged

import android.widget.AbsListView; //導入方法依賴的package包/類
@Override
public void onScrollStateChanged(AbsListView absListView, int scrollState) {
    // 判斷是否是停止滾動狀態
    if (scrollState == SCROLL_STATE_IDLE) {
        //獲取停止時第一個可見item位置
        int firstVisiblePosition = absListView.getFirstVisiblePosition();
        //獲取停止時最後一個可見item位置
        int lastVisiblePosition = absListView.getLastVisiblePosition();
        //去除SwipeListView刷新頭
        if (firstVisiblePosition == 0 || firstVisiblePosition == lastVisiblePosition) {
            return;
        }
        //添加監聽回饋
        if (mListener != null) {
            mListener.onStopVisibleItem(firstVisiblePosition, lastVisiblePosition);
        }
    }
}
開發者ID:SavorGit，項目名稱:Hotspot-master-devp，代碼行數:19，代碼來源:OnScrollVisibleListener.java

示例5: defaultCanScrollUp

import android.widget.AbsListView; //導入方法依賴的package包/類
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);
    }
}
開發者ID:coopese，項目名稱:qmui，代碼行數:18，代碼來源:QMUIPullRefreshLayout.java

示例6: absListViewCanScrollList

import android.widget.AbsListView; //導入方法依賴的package包/類
/**
 * 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();
    }
}
開發者ID:stytooldex，項目名稱:pius1，代碼行數:24，代碼來源:SlideBottomPanel.java

示例7: canChildScrollDown

import android.widget.AbsListView; //導入方法依賴的package包/類
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);
    }
}
開發者ID:aliumujib，項目名稱:SwipeToRefresh，代碼行數:23，代碼來源:SwipeToRefreshLayout.java

示例8: canScrollUp

import android.widget.AbsListView; //導入方法依賴的package包/類
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);
    }
}
開發者ID:Brave-wan，項目名稱:SmartRefresh，代碼行數:15，代碼來源:RefreshContentWrapper.java

示例9: isChildScrollToTop

import android.widget.AbsListView; //導入方法依賴的package包/類
/**
 * 判斷目標View是否滑動到頂部-還能否繼續滑動
 *
 * @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);
    }
}
開發者ID:coderwjq，項目名稱:ZhaZhaShop，代碼行數:20，代碼來源:SuperSwipeRefreshLayout.java

示例10: canViewScrollUp

import android.widget.AbsListView; //導入方法依賴的package包/類
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;
    }
}
開發者ID:lucasax，項目名稱:Zero，代碼行數:14，代碼來源:MySwipeRefreshLayout.java

示例11: updateListViewScrollState

import android.widget.AbsListView; //導入方法依賴的package包/類
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);
    }
}
開發者ID:weiwenqiang，項目名稱:GitHub，代碼行數:15，代碼來源:ScrollLayout.java

示例12: canChildScrollUp

import android.widget.AbsListView; //導入方法依賴的package包/類
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);
    }
}
開發者ID:shenhuanet，項目名稱:AndroidOpen，代碼行數:14，代碼來源:SwipeToRefreshLayout.java

示例13: isListViewScrollOnTop

import android.widget.AbsListView; //導入方法依賴的package包/類
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;
}
開發者ID:kalikov，項目名稱:lighthouse，代碼行數:11，代碼來源:PodcastsActivity.java

示例14: canChildScrollUp

import android.widget.AbsListView; //導入方法依賴的package包/類
/**
 * 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);
    }
}
開發者ID:ebridfighter，項目名稱:GongXianSheng，代碼行數:21，代碼來源:SwipeToLoadLayout.java

示例15: isChildScrollToTop

import android.widget.AbsListView; //導入方法依賴的package包/類
/**
 * 判斷目標View是否滑動到頂部-還能否繼續滑動
 *
 * @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);
    }
}
開發者ID:alibaba，項目名稱:LuaViewPlayground，代碼行數:20，代碼來源:SuperSwipeRefreshLayout.java


注：本文中的android.widget.AbsListView.getFirstVisiblePosition方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。