flutter-layout

I want to implement pagination in GridView I use GridView.builder I want to download 10 by 10 items when the user reaches the last row You can do this using a NotificationListener . As a simple demonstration it will increase the length of your GridView whenever it reaches end of page : var items_number = 10 ; return NotificationListener<ScrollNotification>( onNotification: (scrollNotification){ if(scrollNotification.metrics.pixels == scrollNotification.metrics.maxScrollExtent){ setState(() { items_number += 10 ; }); } }, child: GridView.builder( itemCount: items_number, itemBuilder: (context,

I'm trying to create a layout in flutter consisting of a row with two child widgets, the first aligned to the left and the second aligned to the right, that also will wrap the widgets if the container is too narrow. This is similar to the question asked here Flutter align two items on extremes - one on the left and one on the right , which can be solved with a Wrap widget with alignment: WrapAlignment.spaceBetween . However when the widgets wrap using this method, the right widget wrapped to a new run is no longer right aligned. ( screenshots ) What I would like to happen is for the right

I would like to vertically align a DropdownButton right next to a TextField . Row( crossAxisAlignment: CrossAxisAlignment.start, children: <Widget>[ DropdownButton<String>( ... ), Flexible( child: TextField( ... ), ), ], ) The current behavior is: As you can see, the bottom lines aren't aligned. I guess that's happening due to a differences in height. What would be a good practice to fix that? (I'm guessing not using a fixed height) My final goal is something like this: Where both lines and the text of DropdownButton and TextField are vertically aligned. I am not sure whether this solution