Flutter ListView not scrolling

There can be a few reasons why a ListView in Flutter may not be scrolling. Let’s go through them one by one and provide some examples:

1. Missing or incorrect physics property:

Make sure that the physics property of your ListView is set to a scrollable physics such as ClampingScrollPhysics, BouncingScrollPhysics, or AlwaysScrollableScrollPhysics. Here’s an example:

    
      ListView(
        physics: ClampingScrollPhysics(),
        // ...
      )
    
  

2. ListView inside a non-scrollable container:

If your ListView is inside a non-scrollable container such as a Column, make sure to wrap the ListView with an Expanded widget to allow it to take up all the available vertical space and scroll. Here’s an example:

    
      Column(
        children: [
          // other widgets
          Expanded(
            child: ListView(
              // ...
            ),
          ),
          // other widgets
        ],
      )
    
  

3. Insufficient content height:

If the content of your ListView is not tall enough to require scrolling, it won’t scroll. You can consider adding more items to the ListView or increasing the size of each item. Here’s an example:

    
      ListView.builder(
        itemCount: 10,
        itemBuilder: (context, index) {
          return Container(
            height: 100,
            // other content
          );
        },
      )
    
  

4. Conflict with gesture detectors:

Check if there are any gesture detectors or gesture recognizer widgets that may interfere with scrolling. For example, if you have a GestureDetector wrapping the ListView, make sure to set the behavior parameter to HitTestBehavior.translucent to allow gestures to pass through to the ListView. Here’s an example:

    
      GestureDetector(
        behavior: HitTestBehavior.translucent,
        child: ListView(
          // ...
        ),
      )
    
  

By addressing these possible causes, you should be able to troubleshoot and resolve the issue of a Flutter ListView not scrolling.