ldj/App1/MainActivity.cs

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1.9 KiB
C#
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2023-05-23 16:13:17 +08:00
using Android.App;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using AndroidX.AppCompat.App;
using Google.Android.Material.BottomNavigation;
namespace App1
{
[Activity(Label = "@string/app_name", Theme = "@style/AppTheme", MainLauncher = true)]
public class MainActivity : AppCompatActivity, BottomNavigationView.IOnNavigationItemSelectedListener
{
TextView textMessage;
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
SetContentView(Resource.Layout.activity_main);
textMessage = FindViewById<TextView>(Resource.Id.message);
BottomNavigationView navigation = FindViewById<BottomNavigationView>(Resource.Id.navigation);
navigation.SetOnNavigationItemSelectedListener(this);
}
public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Android.Content.PM.Permission[] grantResults)
{
Xamarin.Essentials.Platform.OnRequestPermissionsResult(requestCode, permissions, grantResults);
base.OnRequestPermissionsResult(requestCode, permissions, grantResults);
}
public bool OnNavigationItemSelected(IMenuItem item)
{
switch (item.ItemId)
{
case Resource.Id.navigation_home:
textMessage.SetText(Resource.String.title_home);
return true;
case Resource.Id.navigation_dashboard:
textMessage.SetText(Resource.String.title_dashboard);
return true;
case Resource.Id.navigation_notifications:
textMessage.SetText(Resource.String.title_notifications);
return true;
}
return false;
}
}
}