can View Scroll - Android User Interface

Android examples for User Interface:ScrollView

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Description

can View Scroll

Demo Code


//package com.java2s;
import android.support.v4.view.ViewCompat;
import android.view.View;
import android.view.ViewGroup;

public class Main {
    public static boolean canScroll(View v, boolean checkV, int dy, int x,
            int y) {
        if (v instanceof ViewGroup) {
            final ViewGroup group = (ViewGroup) v;
            final int scrollX = v.getScrollX();
            final int scrollY = v.getScrollY();
            final int count = group.getChildCount();
            for (int i = count - 1; i >= 0; i--) {
                final View child = group.getChildAt(i);
                if (x + scrollX >= child.getLeft()
                        && x + scrollX < child.getRight()
                        && y + scrollY >= child.getTop()
                        && y + scrollY < child.getBottom()
                        && canScroll(child, true, dy,
                                x + scrollX - child.getLeft(), y + scrollY
                                        - child.getTop())) {
                    return true;
                }// ww w  .ja v a2  s. c om
            }
        }
        return checkV && ViewCompat.canScrollVertically(v, -dy);
    }
}

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