I'm struggling to add app icon to Actionbar. I've tried
ActionBar.setDisplayShowHomeEnabled(true);
but i got NullReferenceExeption
if anyone knows how to add it plz help. thanks. this is the code i have written
using Android.App; using Android.OS; using Android.Support.V7.App; using Android.Runtime; using Android.Widget; namespace Bteg { [Activity(Label = "@string/app_name", Theme = "@style/AppTheme", MainLauncher = true)] public class MainActivity : AppCompatActivity { protected override void OnCreate(Bundle savedInstanceState) { base.OnCreate(savedInstanceState); Xamarin.Essentials.Platform.Init(this, savedInstanceState); // Set our view from the "main" layout resource SetContentView(Resource.Layout.activity_main); ActionBar.SetDisplayShowHomeEnabled(true); } 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); } } }
I notice you used AppCompatActivity
, If you want to get the actionbar, you need to use following code.
[Activity(Label = "@string/app_name", Theme = "@style/AppTheme", MainLauncher = true)]
public class MainActivity : AppCompatActivity
{
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.activity_main);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
SupportActionBar.SetHomeAsUpIndicator(Resource.Drawable.dicon);
}
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);
}
}
Here is running sceenshot.
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