How to use activity_main layout as a widget on xamarin? - xamarin

Question

I have a xamarin project and my main purpose is creating a widget by using activity_main layout and my activity main layout includes tabbed pages such as Tab1 , Tab2 and Tab3 . That is why i want to show them on widget . According to my researches i need some xml file to create a widget on android . My xml file like this.
<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
android:minWidth="294dip"
android:minHeight="72dip"
android:resizeMode="horizontal"
android:minResizeWidth="144dip"
android:updatePeriodMillis="86400000"
android:initialLayout="#layout/activity_main"/>
I added activity_main as a initialLayout and i did some arrangement in the bag. My appwidget class like this .
[BroadcastReceiver(Label = "Widget")]
[IntentFilter(new string[] { "android.appwidget.action.APPWIDGET_UPDATE" })]
[MetaData("android.appwidget.provider", Resource = "#xml/widget_word")]
class AppWidget : AppWidgetProvider
{
public override void OnUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds)
{
context.StartService(new Intent(context, typeof(UpdateService)));
}
}
My updateService like this .
public override void OnStart(Intent intent, int startId)
{
// Build the widget update for today
RemoteViews updateViews = buildUpdate(this);
// Push update for this widget to the home screen
ComponentName thisWidget = new ComponentName(this, Java.Lang.Class.FromType(typeof(AppWidget)).Name);
AppWidgetManager manager = AppWidgetManager.GetInstance(this);
manager.UpdateAppWidget(thisWidget, updateViews);
}
public override IBinder OnBind(Intent intent)
{
throw new NotImplementedException();
}
public RemoteViews buildUpdate(Context context)
{
// Build an update that holds the updated widget contents
var updateViews = new RemoteViews(context.PackageName, Resource.Layout.activity_main);
return updateViews;
}
I am using fragments to display tab1 , tab2 , tab3 . If I add fragment axml file to the initialLayout it works fine . But it shows only tab1 . I feel like i should use activity_main to display 3 tabs on widget. Please help !

Answer 1

You cannot use bottomNavigationView in the appwidget,
If you set it you will get follow error.
Creating the App Widget layout is simple if you're familiar with Layouts. However, you must be aware that App Widget layouts are based on RemoteViews, which do not support every kind of layout or view widget.
A RemoteViews object (and, consequently, an App Widget) can support the following layout classes:
FrameLayout
LinearLayout
RelativeLayout
GridLayout
And the following widget classes:
AnalogClock
Button
Chronometer
ImageButton
ImageView
ProgressBar
TextView
ViewFlipper
ListView
GridView
StackView
AdapterViewFlipper
Descendants of these classes are not supported.
Here is Google article about it.
https://developer.android.com/guide/topics/appwidgets/index.html#CreatingLayout