public static bool IsNotificationEnabled(global::Android.Content.Context context)
{
AppOpsManager mAppOps = (AppOpsManager)context.GetSystemService(global::Android.Content.Context.AppOpsService);
ApplicationInfo appInfo = context.ApplicationInfo;
String pkg = context.ApplicationContext.PackageName;
int uid = appInfo.Uid;
try
{
var appOpsClass = Java.Lang.Class.ForName("android.app.AppOpsManager");
var checkOpNoThrowMethod = appOpsClass.GetMethod(CHECK_OP_NO_THROW, Java.Lang.Integer.Type, Java.Lang.Integer.Type, new Java.Lang.String().Class);
var opPostNotificationValue = appOpsClass.GetDeclaredField(OP_POST_NOTIFICATION);
var value = (int)opPostNotificationValue.GetInt(Java.Lang.Integer.Type);
var mode = (int)checkOpNoThrowMethod.Invoke(mAppOps, value, uid, pkg);
return(mode == (int)AppOpsManagerMode.Allowed);
}
catch (Exception ex)
{
Log.Information(ex.Message);
}
return(false);
}
public Notification.Builder CreateNotificationBuilder(global::Android.Content.Context context, SensusNotificationChannel channel)
{
global::Android.Net.Uri notificationSoundURI = RingtoneManager.GetDefaultUri(RingtoneType.Notification);
AudioAttributes notificationAudioAttributes = new AudioAttributes.Builder()
.SetContentType(AudioContentType.Unknown)
.SetUsage(AudioUsageKind.NotificationEvent).Build();
long[] vibrationPattern = { 0, 250, 50, 250 };
bool silent = GetChannelSilent(channel);
Notification.Builder builder;
// see the Backwards Compatibility article for more information
#if __ANDROID_26__
if (Build.VERSION.SdkInt >= BuildVersionCodes.O)
{
NotificationManager notificationManager = context.GetSystemService(global::Android.Content.Context.NotificationService) as NotificationManager;
string channelId = channel.ToString();
if (notificationManager.GetNotificationChannel(channelId) == null)
{
NotificationChannel notificationChannel = new NotificationChannel(channelId, GetChannelName(channel), GetChannelImportance(channel))
{
Description = GetChannelDescription(channel)
};
if (silent)
{
notificationChannel.SetSound(null, null);
notificationChannel.EnableVibration(false);
}
else
{
notificationChannel.SetSound(notificationSoundURI, notificationAudioAttributes);
notificationChannel.EnableVibration(true);
notificationChannel.SetVibrationPattern(vibrationPattern);
}
notificationManager.CreateNotificationChannel(notificationChannel);
}
builder = new Notification.Builder(context, channelId);
}
else
#endif
{
builder = new Notification.Builder(context);
#pragma warning disable 618
if (silent)
{
builder.SetSound(null);
builder.SetVibrate(null);
}
else
{
builder.SetSound(notificationSoundURI, notificationAudioAttributes);
builder.SetVibrate(vibrationPattern);
}
#pragma warning restore 618
}
return(builder);
}