text stringlengths 1 372 |
|---|
drawer: drawer( |
// add a ListView to the drawer. this ensures the user can scroll |
// through the options in the drawer if there isn't enough vertical |
// space to fit everything. |
child: ListView( |
// important: remove any padding from the ListView. |
padding: EdgeInsets.zero, |
children: [ |
const DrawerHeader( |
decoration: BoxDecoration( |
color: colors.blue, |
), |
child: Text('Drawer header'), |
), |
ListTile( |
title: const Text('Home'), |
selected: _selectedIndex == 0, |
onTap: () { |
// update the state of the app |
_onItemTapped(0); |
// then close the drawer |
navigator.pop(context); |
}, |
), |
ListTile( |
title: const Text('Business'), |
selected: _selectedIndex == 1, |
onTap: () { |
// update the state of the app |
_onItemTapped(1); |
// then close the drawer |
navigator.pop(context); |
}, |
), |
ListTile( |
title: const Text('School'), |
selected: _selectedIndex == 2, |
onTap: () { |
// update the state of the app |
_onItemTapped(2); |
// then close the drawer |
navigator.pop(context); |
}, |
), |
], |
), |
), |
); |
} |
} |
<code_end> |
<topic_end> |
<topic_start> |
deep linking |
flutter supports deep linking on iOS, android, and web browsers. |
opening a URL displays that screen in your app. with the following |
steps, you can launch and display routes by using named routes |
(either with the routes parameter or |
onGenerateRoute), or by |
using the router widget. |
info note |
named routes are no longer recommended for most |
applications. for more information, see |
limitations in the navigation overview page. |
if you’re running the app in a web browser, there’s no additional setup |
required. route paths are handled in the same way as an iOS or android deep |
link. by default, web apps read the deep link path from the url fragment using |
the pattern: /#/path/to/app/screen, but this can be changed by |
configuring the URL strategy for your app. |
if you are a visual learner, check out the following video: |
deep linking in flutter |
<topic_end> |
<topic_start> |
get started |
to get started, see our cookbooks for android and iOS: |
<topic_end> |
<topic_start> |
migrating from plugin-based deep linking |
if you have written a plugin to handle deep links, as described in |
deep links and flutter applications |
(a free article on medium), |
it will continue to work until you opt in to this behavior by adding |
FlutterDeepLinkingEnabled to info.plist or |
flutter_deeplinking_enabled to AndroidManifest.xml, respectively. |
<topic_end> |
<topic_start> |
behavior |
the behavior varies slightly based on the platform and whether the app is |
launched and running. |
when using the router widget, |
your app has the ability to replace the |
current set of pages when a new deep link |
is opened while the app is running. |
<topic_end> |
<topic_start> |
for more information |
learning flutter’s new navigation and routing system provides an |
introduction to the router system. |
<topic_end> |
<topic_start> |
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