TIMOB-9955: Android: ScrollView with a wrap view becomes unscrollable…

… on android Ti 2.1

android/modules/ui/src/java/ti/modules/titanium/ui/widget/TiUIScrollView.java

@@ -22,6 +22,8 @@
 
 import android.content.Context;
 import android.graphics.Canvas;
+import android.view.GestureDetector;
+import android.view.GestureDetector.SimpleOnGestureListener;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
@@ -47,10 +49,20 @@ private class TiScrollViewLayout extends TiCompositeLayout
 		private int parentWidth = 0;
 		private int parentHeight = 0;
 		private boolean canCancelEvents = true;
+		private GestureDetector gestureDetector;
 
 		public TiScrollViewLayout(Context context, LayoutArrangement arrangement)
 		{
 			super(context, arrangement, proxy);
+			gestureDetector = new GestureDetector(new SimpleOnGestureListener()
+			{
+				@Override
+				public void onLongPress(MotionEvent e)
+				{
+					// Only do this for long presses to match iOS behavior
+					requestDisallowInterceptTouchEvent(true);
+				}
+			});
 		}
 
 		public void setParentWidth(int width)
@@ -72,11 +84,10 @@ public void setCanCancelEvents(boolean value)
 		public boolean dispatchTouchEvent(MotionEvent ev)
 		{
 			// If canCancelEvents is false, then we want to prevent the scroll view from canceling the touch
-			// events of the child view
+			// events of the child view by calling requestDisallowInterceptTouchEvent(true)
 			if (!canCancelEvents) {
-				requestDisallowInterceptTouchEvent(true);
+				gestureDetector.onTouchEvent(ev);
 			}
-
 			return super.dispatchTouchEvent(ev);
 		}