void RegisterForegroundService()
{
NotificationManager manager = (NotificationManager)GetSystemService(NotificationService);
//Andorid8.0 Oreo 以降の通知で必要なChannel
string channelId = "Covid19RadarNotification";
if (Build.VERSION.SdkInt >= BuildVersionCodes.O)
{
string channelNm = "Covid19Radar";
NotificationChannel channel = new NotificationChannel(channelId, channelNm, NotificationImportance.Default)
{
Description = "任意の説明"
};
manager.CreateNotificationChannel(channel);
}
var notification = new Notification.Builder(this)
.SetContentTitle(Resources.GetString(Resource.String.app_name))
.SetContentText("Started ForegroundService.")
.SetSmallIcon(Resource.Drawable.notification_icon_background) //Android 7
.SetColor(ActivityCompat.GetColor(Android.App.Application.Context, Resource.Color.notification_material_background_media_default_color)) //Android7.0対応
.SetOngoing(true)
.SetChannelId(channelId) // Android8
.Build();
// Enlist this instance of the service as a foreground service
this.StartForeground(2451, notification);
}
public override void OnReceive(Context context, Intent intent)
{
var message = intent.GetStringExtra("message");
var title = intent.GetStringExtra("title");
var notIntent = new Intent(context, typeof(MainActivity));
var contentIntent = PendingIntent.GetActivity(context, 0, notIntent, PendingIntentFlags.CancelCurrent);
NotificationManager manager = (NotificationManager)context.GetSystemService(Context.NotificationService);
var style = new NotificationCompat.BigTextStyle();
style.BigText(message);
Android.Net.Uri uri = RingtoneManager.GetDefaultUri(RingtoneType.Notification);
var builder = new NotificationCompat.Builder(context, plan_main.CHANNEL_ID)
.SetContentIntent(contentIntent)
.SetSmallIcon(Resource.Drawable.Icon)
.SetContentTitle(title)
.SetContentText(message)
.SetStyle(style)
.SetWhen(Java.Lang.JavaSystem.CurrentTimeMillis())
.SetSound(uri)
.SetColor(ActivityCompat.GetColor(context, Resource.Color.colorPrimaryDark));
var notification = builder.Build();
manager.Notify(0, notification);
}
private Notification CreateNotification()
{
#region Create Channel
string channelId = "foreground";
string channelName = "foreground";
string channelDescription = "The foreground channel for notifications";
int _pendingIntentId = 1;
NotificationManager _notificationManager;
_notificationManager = (NotificationManager)Android.App.Application.Context.GetSystemService(Android.App.Application.NotificationService);
if (Build.VERSION.SdkInt >= BuildVersionCodes.O)
{
var channelNameJava = new Java.Lang.String(channelName);
var channel = new NotificationChannel(channelId, channelNameJava, NotificationImportance.Low)
{
Description = channelDescription,
};
channel.EnableVibration(false);
_notificationManager.CreateNotificationChannel(channel);
}
#endregion
#region Create Notification
Intent foregroundNotificationIntent = new Intent(Android.App.Application.Context, typeof(MainActivity));
PendingIntent pendingIntent = PendingIntent.GetActivity(Android.App.Application.Context, _pendingIntentId, foregroundNotificationIntent, PendingIntentFlags.OneShot);
NotificationCompat.Builder builder = new NotificationCompat.Builder(Android.App.Application.Context, channelId)
.SetContentIntent(pendingIntent)
.SetContentTitle("ForegroundServiceApp")
.SetContentText("Foreground service started")
.SetOngoing(true)
.SetColor(ActivityCompat.GetColor(Android.App.Application.Context, Resource.Color.colorAccent))
.SetLargeIcon(BitmapFactory.DecodeResource(Android.App.Application.Context.Resources, Resource.Drawable.xamagonBlue))
.SetSmallIcon(Resource.Drawable.xamagonBlue);
var notification = builder.Build();
#endregion
return(notification);
}