Example usage for android.support.v4.view ScrollingView computeVerticalScrollRange

Introduction

In this page you can find the example usage for android.support.v4.view ScrollingView computeVerticalScrollRange.

Prototype

int computeVerticalScrollRange();

Source Link

Document

Compute the vertical range that the vertical scrollbar represents.

The range is expressed in arbitrary units that must be the same as the units used by #computeVerticalScrollExtent() and #computeVerticalScrollOffset() .

Usage

From source file:com.callba.phone.widget.refreshlayout.RefreshLayout.java

/**
 * @return {@code true} if child view almost scroll to bottom.
 *///  www.  ja  v a2  s  .  com
public boolean isAlmostBottom() {
    if (mTarget instanceof AbsListView) {
        final AbsListView absListView = (AbsListView) mTarget;
        return absListView.getLastVisiblePosition() >= absListView.getCount() - 1;
    } else if (mTarget instanceof ScrollingView) {
        final ScrollingView scrollingView = (ScrollingView) mTarget;
        final int offset = scrollingView.computeVerticalScrollOffset();
        final int range = scrollingView.computeVerticalScrollRange()
                - scrollingView.computeVerticalScrollExtent();
        return offset >= range;
    } else {
        return !ViewCompat.canScrollVertically(mTarget, 1);
    }
}

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From source file:com.hippo.refreshlayout.RefreshLayout.java

/**
 * @return {@code true} if child view almost scroll to bottom.
 *///  www  . j  av  a 2  s. c om
public boolean isAlmostBottom() {
    if (null == mTarget) {
        return false;
    }

    if (mTarget instanceof AbsListView) {
        final AbsListView absListView = (AbsListView) mTarget;
        return absListView.getLastVisiblePosition() >= absListView.getCount() - 1;
    } else if (mTarget instanceof ScrollingView) {
        final ScrollingView scrollingView = (ScrollingView) mTarget;
        final int offset = scrollingView.computeVerticalScrollOffset();
        final int range = scrollingView.computeVerticalScrollRange()
                - scrollingView.computeVerticalScrollExtent();
        return offset >= range;
    } else {
        return !ViewCompat.canScrollVertically(mTarget, 1);
    }
}

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