Хотеть сделать
Откройте несколько навигационных страниц (drawerlayout) в одном и том же действии.
Один из панели инструментов, а другие - нажатием обычной кнопки. Я уже знаю, что OpenDrawer(GravityCompat.Start); помогает открыть страницу навигации нажатием кнопки. Таким образом, я ищу способ открыть несколько страниц навигации в одном и том же действии.
Параметр
Создайте проект с навигацией по умолчанию.
Что я сделал
Измените макет activity_main.xml с DrawerLayout на FrameLayout и сделайте 2 DrawerLayout в FrameLayout, который я сделал.
Кроме того, я сделал еще одну панель инструментов в app_bar_main.xml.
※ Имя файла по умолчанию, которое я сделал проект.
Код
Activity_main.xml
<?xml version = "1.0" encoding = "utf-8"?>
<FrameLayout xmlns:android = "http://schemas.android.com/apk/res/android"
xmlns:app = "http://schemas.android.com/apk/res-auto"
xmlns:tools = "http://schemas.android.com/tools"
android:id = "@+id/frame_drawer"
android:layout_width = "match_parent"
android:layout_height = "match_parent">
<androidx.drawerlayout.widget.DrawerLayout
android:layout_width = "match_parent"
android:layout_height = "match_parent"
android:id = "@+id/drawer_layout"
android:fitsSystemWindows = "true"
tools:openDrawer = "start">
<include
layout = "@layout/app_bar_main"
android:layout_width = "match_parent"
android:layout_height = "match_parent" />
<com.google.android.material.navigation.NavigationView
android:id = "@+id/nav_view"
android:layout_width = "wrap_content"
android:layout_height = "match_parent"
android:layout_gravity = "start"
android:fitsSystemWindows = "true"
app:menu = "@menu/activity_main_drawer" />
</androidx.drawerlayout.widget.DrawerLayout>
<androidx.drawerlayout.widget.DrawerLayout
android:layout_width = "match_parent"
android:layout_height = "match_parent"
android:id = "@+id/drawer_layout2"
android:fitsSystemWindows = "true"
tools:openDrawer = "start">
<include
layout = "@layout/app_bar_main"
android:layout_width = "match_parent"
android:layout_height = "match_parent" />
<com.google.android.material.navigation.NavigationView
android:id = "@+id/nav_view2"
android:layout_width = "wrap_content"
android:layout_height = "match_parent"
android:layout_gravity = "start"
android:fitsSystemWindows = "true"
app:menu = "@menu/activity_main_drawer" />
</androidx.drawerlayout.widget.DrawerLayout>
</FrameLayout>
app_bar_main.xml
<?xml version = "1.0" encoding = "utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout
xmlns:android = "http://schemas.android.com/apk/res/android"
xmlns:app = "http://schemas.android.com/apk/res-auto"
xmlns:tools = "http://schemas.android.com/tools"
android:layout_width = "match_parent"
android:layout_height = "match_parent">
<com.google.android.material.appbar.AppBarLayout
android:layout_width = "match_parent"
android:layout_height = "wrap_content"
android:theme = "@style/AppTheme.AppBarOverlay">
android:layout_width = "match_parent"
android:layout_height = "match_parent">
<androidx.appcompat.widget.Toolbar
android:id = "@+id/toolbar"
android:layout_width = "match_parent"
android:layout_height = "?attr/actionBarSize"
android:background = "?attr/colorPrimary"
app:popupTheme = "@style/AppTheme.PopupOverlay" />
<androidx.appcompat.widget.Toolbar
android:id = "@+id/toolbar2"
android:layout_width = "match_parent"
android:layout_height = "?attr/actionBarSize"
android:background = "?attr/colorPrimary"
app:popupTheme = "@style/AppTheme.PopupOverlay" />
</com.google.android.material.appbar.AppBarLayout>
<include layout = "@layout/content_main" />
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id = "@+id/fab"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:layout_gravity = "bottom|end"
android:layout_margin = "@dimen/fab_margin"
app:srcCompat = "@android:drawable/ic_dialog_email" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>
MainActivity.cs
[Activity(Label = "@string/app_name", Theme = "@style/AppTheme.NoActionBar", MainLauncher = true)]
public class MainActivity : AppCompatActivity, NavigationView.IOnNavigationItemSelectedListener
{
DrawerLayout drawer2;
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
SetContentView(Resource.Layout.activity_main);
Toolbar toolbar = FindViewById<Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
SupportActionBar.Title = "Site 1";
// for opening one more navigation page
Toolbar toolbar2 = FindViewById<Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar2);
SupportActionBar.Title = "Site 2";
// for opening one more navigation page
FloatingActionButton fab = FindViewById<FloatingActionButton>(Resource.Id.fab);
fab.Click += FabOnClick;
DrawerLayout drawer = FindViewById<DrawerLayout>(Resource.Id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, Resource.String.navigation_drawer_open, Resource.String.navigation_drawer_close);
drawer.AddDrawerListener(toggle);
toggle.SyncState();
NavigationView navigationView = FindViewById<NavigationView>(Resource.Id.nav_view);
navigationView.SetNavigationItemSelectedListener(this);
// for opening one more navigation page
drawer2 = FindViewById<DrawerLayout>(Resource.Id.drawer_layout2);
ActionBarDrawerToggle toggle2 = new ActionBarDrawerToggle(this, drawer2, toolbar2, Resource.String.navigation_drawer_open, Resource.String.navigation_drawer_close);
drawer2.AddDrawerListener(toggle2);
toggle2.SyncState();
NavigationView navigationView2 = FindViewById<NavigationView>(Resource.Id.nav_view2);
navigationView2.SetNavigationItemSelectedListener(this);
}
private void FabOnClick(object sender, EventArgs eventArgs)
{
drawer2.OpenDrawer(GravityCompat.Start);
}
}
Если вы поместите второй DrawerLayout
внутри первого, это может сработать.
<?xml version = "1.0" encoding = "utf-8"?>
<FrameLayout xmlns:android = "http://schemas.android.com/apk/res/android"
xmlns:app = "http://schemas.android.com/apk/res-auto"
xmlns:tools = "http://schemas.android.com/tools"
android:id = "@+id/frame_drawer"
android:layout_width = "match_parent"
android:layout_height = "match_parent">
<androidx.drawerlayout.widget.DrawerLayout
android:layout_width = "match_parent"
android:layout_height = "match_parent"
android:id = "@+id/drawer_layout"
android:fitsSystemWindows = "true"
tools:openDrawer = "start">
<!--<include
layout = "@layout/app_bar_main"
android:layout_width = "match_parent"
android:layout_height = "match_parent" />-->
<androidx.drawerlayout.widget.DrawerLayout
android:layout_width = "match_parent"
android:layout_height = "match_parent"
android:id = "@+id/drawer_layout2"
android:fitsSystemWindows = "true"
tools:openDrawer = "start">
<include
layout = "@layout/app_bar_main"
android:layout_width = "match_parent"
android:layout_height = "match_parent" />
<com.google.android.material.navigation.NavigationView
android:id = "@+id/nav_view2"
android:layout_width = "wrap_content"
android:layout_height = "match_parent"
android:layout_gravity = "start"
android:fitsSystemWindows = "true"
app:menu = "@menu/activity_main_drawer" />
</androidx.drawerlayout.widget.DrawerLayout>
<com.google.android.material.navigation.NavigationView
android:id = "@+id/nav_view"
android:layout_width = "wrap_content"
android:layout_height = "match_parent"
android:layout_gravity = "start"
android:fitsSystemWindows = "true"
app:menu = "@menu/activity_main_drawer" />
</androidx.drawerlayout.widget.DrawerLayout>
</FrameLayout>
Большое спасибо! Оно работает! Однако открытые навигации были такими же, поэтому я удаляю этот код. ActionBarDrawerToggle toggle2 = новый ActionBarDrawerToggle (это, ящик2, панель инструментов2, Resource.String.navigation_drawer_open, Resource.String.navigation_drawer_close); ящик2.AddDrawerListener(toggle2); toggle2.SyncState();