SDLSurface.java.patch

--- a/src/main/java/org/libsdl/app/SDLSurface.java
+++ b/src/main/java/org/libsdl/app/SDLSurface.java
@@ -193,9 +193,22 @@
         return SDLActivity.handleKeyEvent(v, keyCode, event, null);
     }
 
+    public interface OnInterceptTouchListener {
+        boolean onTouch(MotionEvent ev);
+    }
+
+    private OnInterceptTouchListener mOnInterceptTouchListener = null;
+
+    public void setInterceptTouchListener(OnInterceptTouchListener listener) {
+        this.mOnInterceptTouchListener = listener;
+    }
+
     // Touch events
     @Override
     public boolean onTouch(View v, MotionEvent event) {
+        if (mOnInterceptTouchListener != null)
+            if (mOnInterceptTouchListener.onTouch(event))
+                return false;
         /* Ref: http://developer.android.com/training/gestures/multi.html */
         int touchDevId = event.getDeviceId();
         final int pointerCount = event.getPointerCount();