Category : gridview

I have solution for Tasmota IOT devices and the app is capturing MQTT JSON formated messages in to JSONArray using .put. Later the JSONArray is propagated to GridView adapter and I am using notifyDataSetChanged() with success to propagate these changes within JSONArray content. The challenge is how to keep JSONArray upto date with new MQTT ..

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I have given a grid view inside NavigationView, but onclick functionality on gridview inside navigationview is not working. When i click on gridview item no click event detect and navigationdrawer get closed final ImageAdapter imageAdapter = new ImageAdapter(this); gridView.setAdapter(imageAdapter); gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView parent, View view, int position, long id) { Log.e(TAG, ..

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I tried multiple times to adapt my GridView.count to different screen sizes using the childAspectRatio property and MediaQuery.of, but on different devices I often get a "renderflex Overflowed" error because the child doesn’t fit in the grid. GridView.count( crossAxisCount: 2, physics: ClampingScrollPhysics(), shrinkWrap: true, childAspectRatio: (_width – 2 * kHorizontalPagePadding) / (_height / 8), children:[…], ..

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I’m trying to implement a StaggeredGridView with a Sliver AppBar. I can’t find out about the issue. class Dash extends StatefulWidget { @override _DashState createState() => _DashState(); } class _DashState extends State<Dash> { @override Widget build(BuildContext context) { return Scaffold( body: Stack( children: [ CustomScrollView( physics: AlwaysScrollableScrollPhysics(), slivers: [ SliverAppBar( backgroundColor: kDashboardPurple, automaticallyImplyLeading: false, title: ..

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