Kamis, 30 April 2015

How to solve the ListView scrolling problem inside ScrollView as a parent in Android Java

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Hi there,

Now iam going to give you a solution for "How to solve the ListView scrolling problem inside ScrollView as a parent in Android Java".

Introduction
Most of us we developers,facing problems while adding a ListView into a layout inside a ScrollView because of the screen size the items of the layout may overflow,so what we developers must want to use a ScrollView for solving that overflow problem.But there comes the problem what happense when we put a ListView as an item into the ScrollView.Due to multiple scrollable items in a single screen,the android os confused to handle the scroll event for which item the ListView or ScrollView,atlast it will give scroll event to ScrollView as it is the top most view considering the ListView.



How to get the touch event to ListView?
Don't feel overloaded it is simple to get all the things done.

  • Only one thing we want to do is just initialize a custom TouchListener for the ListView.
  • Initialize the ListView 

ListView itemsList=(ListView)findViewById(R.id.listItemsSale);

  •  Now simply add a TouchListener to the ListView.
itemsList.setOnTouchListener(new OnTouchListener() {
   // Setting on Touch Listener for handling the touch inside ScrollView
   @Override
   public boolean onTouch(View v, MotionEvent event) {
   // Disallow the touch request for parent scroll on touch of child view
   v.getParent().requestDisallowInterceptTouchEvent(true);
   return false;
   }
});

Conclusion
Feel free to use the above code anywhere you want.Any new ideas or helps feel free to use the comment box. 

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