In my case i had code like this (in class state) final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>(); void showInSnackBar(String value) { _scaffoldKey.currentState.showSnackBar(new SnackBar(content: new Text(value))); } but i didn’t setup the key for scaffold. so when i add key: _scaffoldKey @override Widget build(BuildContext context) { return new Scaffold( key: _scaffoldKey, body: new SafeArea( snackbar start … Read more
With the Material Components Library you can globally change the snackbar style in your app theme: <style name=”AppTheme” parent=”Theme.MaterialComponents.*”> <!– Style to use for Snackbars in this theme. –> <item name=”snackbarStyle”>@style/Widget.MaterialComponents.Snackbar</item> <!– Style to use for action button within a Snackbar in this theme. –> <item name=”snackbarButtonStyle”>@style/Widget.MaterialComponents.Button.TextButton.Snackbar</item> <!– Style to use for message text within … Read more
It is possible to make the snackbar appear on top of the screen using this: Snackbar snack = Snackbar.make(parentLayout, str, Snackbar.LENGTH_LONG); View view = snack.getView(); FrameLayout.LayoutParams params =(FrameLayout.LayoutParams)view.getLayoutParams(); params.gravity = Gravity.TOP; view.setLayoutParams(params); snack.show(); From the OP: I had to change the first line: Snackbar snack = Snackbar.make(findViewById(android.R.id.content), “Had a snack at Snackbar”, Snackbar.LENGTH_LONG);
The Snackbar does not allow you to set a custom layout. However, as Primoz990 suggested you can get the Snackbar’s View. The getView function returns the Snackbar.SnackbarLayout, which is a horizontal LinearLayout object whose children are a TextView and a Button. To add your own View to the Snackbar, you just need to hide the … Read more