flutter allow user to select text
//Give your scaffold a key defined like so GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey(); /// Pastes given String to the clipboard and shows Popup-Snackbar void copyToClipboard(String toClipboard) { ClipboardData data = new ClipboardData(text: toClipboard); Clipboard.setData(data); _scaffoldKey.currentState.showSnackBar(new SnackBar( content: new Text(toClipboard + ' copied to clipboard.'), )); }