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The source code is released under:
GNU General Public License
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package org.dklisiaris.downtown.widgets; //from ww w . j a v a2s . c o m import android.content.Context; import android.util.AttributeSet; import android.view.GestureDetector; import android.view.GestureDetector.SimpleOnGestureListener; import android.view.MotionEvent; import android.view.View; import android.widget.ScrollView; public class CustomScrollView extends ScrollView { private GestureDetector mGestureDetector; View.OnTouchListener mGestureListener; public CustomScrollView(Context context, AttributeSet attrs) { super(context, attrs); mGestureDetector = new GestureDetector(context, new YScrollDetector()); setFadingEdgeLength(0); } @Override public boolean onInterceptTouchEvent(MotionEvent ev) { return super.onInterceptTouchEvent(ev) && mGestureDetector.onTouchEvent(ev); } // Return false if we're scrolling in the x direction class YScrollDetector extends SimpleOnGestureListener { @Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { if(Math.abs(distanceY) > Math.abs(distanceX)) { return true; } return false; } } }