Java Code Examples for android.widget.AdapterView#getPaddingTop()

The following examples show how to use android.widget.AdapterView#getPaddingTop() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: MDRootLayout.java    From talk-android with MIT License 6 votes vote down vote up
private static boolean canAdapterViewScroll(AdapterView lv) {
    /* Force it to layout it's children */
    if (lv.getLastVisiblePosition() == -1)
        return false;

    /* We can scroll if the first or last item is not visible */
    boolean firstItemVisible = lv.getFirstVisiblePosition() == 0;
    boolean lastItemVisible = lv.getLastVisiblePosition() == lv.getCount() - 1;

    if (firstItemVisible && lastItemVisible && lv.getChildCount() > 0) {
        /* Or the first item's top is above or own top */
        if (lv.getChildAt(0).getTop() < lv.getPaddingTop())
            return true;
        /* or the last item's bottom is beyond our own bottom */
        return lv.getChildAt(lv.getChildCount() - 1).getBottom() >
                lv.getHeight() - lv.getPaddingBottom();
    }

    return true;
}