public static Int32 DisplayNotification(Context context, String channelId, Int32 notificationId,
String title, String text, IDictionary <String, String> data = null)
{
NotificationManagerCompat manager = NotificationManagerCompat.From(context);
NotificationCompat.Builder builder = new NotificationCompat.Builder(
context,
channelId ?? GeneralChannelId
);
if (Build.VERSION.SdkInt < BuildVersionCodes.O && channelId == GeneralChannelId)
{
// Вместо NotificationImportance.High в новых версиях Android.
builder.SetDefaults(NotificationCompat.DefaultAll);
builder.SetPriority(NotificationCompat.PriorityHigh);
}
notificationId = (notificationId != 0) ? notificationId : UniqueIdGenerator.GenerateId();
if (data != null && IntentUtilities.IsDataKeysCollectionValidToCreateIntent(data.Keys))
{
Intent intent = IntentUtilities.CreateIntentFromData(context, data);
if (intent == null)
{
return(-1);
}
builder.SetContentIntent(PendingIntent.GetActivity(
context,
notificationId,
intent,
PendingIntentFlags.OneShot
));
}
builder.SetContentTitle(
title ?? context.Resources.GetString(Resource.String.applicationCompleteName));
builder.SetStyle(new NotificationCompat.BigTextStyle().BigText(text)).SetAutoCancel(true)
.SetSmallIcon(Resource.Mipmap.notificationIcon);
manager.Notify(notificationId, builder.Build());
return(notificationId);
}