close keyboard on button click flutter
class _HomeState extends State<Home> {
var currentFocus;
unfocus() {
currentFocus = FocusScope.of(context);
if (!currentFocus.hasPrimaryFocus) {
currentFocus.unfocus();
}
}
Widget build(BuildContext context) {
return GestureDetector(
onTap: unfocus,
child: Scaffold(...)
)
}flutter android back button
@override
Widget build(BuildContext context) {
return WillPopScope(
onWillPop: () {
_moveToScreen2(context, );
},
child: Scaffold(
key: _scaffoldKey,
appBar: AppBar(
leading: IconButton(
icon: Icon(Icons.arrow_back),
onPressed: () {
_moveToScreen2(context);
}),
title: Text("Screen 1"),
),
),
);
}
/**
* This is probably too thin to be in its own method - consider using
* `Navigator.pushReplacementNamed(context, "screen2")` directly
*/
void _moveToScreen2(BuildContext context) =>
Navigator.pushReplacementNamed(context, "screen2");cordova android close app with back button
document.addEventListener("deviceready", onDeviceReady, false);
function onDeviceReady(){
document.addEventListener("backbutton", function(e){
if($.mobile.activePage.is('#homepage')){
e.preventDefault();
navigator.app.exitApp();
}
else {
navigator.app.backHistory();
}
}, false);
}Copyright © 2021 Codeinu
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