transdroid/app/src/main/java/org/transdroid/core/service/NotificationChannels.java

package org.transdroid.core.service;

import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Context;
import android.media.AudioAttributes;
import android.os.Build;

import org.transdroid.R;
import org.transdroid.core.app.settings.NotificationSettings;

class NotificationChannels {

    public static final String CHANNEL_APP_UPDATE = "channel_app_update2";
    public static final String CHANNEL_RSS_CHECKER = "channel_rss_checker2";
    public static final String CHANNEL_SERVER_CHECKER = "channel_server_checker2";

    static void ensureAppUpdateChannel(final Context context, NotificationSettings notificationSettings) {
        createChannel(context, CHANNEL_APP_UPDATE, R.string.pref_checkupdates, R.string.pref_checkupdates_info, notificationSettings);
    }

    static void ensureRssCheckerChannel(final Context context, NotificationSettings notificationSettings) {
        createChannel(context, CHANNEL_RSS_CHECKER, R.string.pref_notifications_rss, null, notificationSettings);
    }

    static void ensureServerCheckerChannel(final Context context, NotificationSettings notificationSettings) {
        createChannel(context, CHANNEL_SERVER_CHECKER, R.string.pref_notifications_torrent, null, notificationSettings);
    }

    private static void createChannel(
            final Context context,
            final String channelId,
            final int name,
            final Integer description,
            final NotificationSettings notificationSettings) {

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            int importance = NotificationManager.IMPORTANCE_DEFAULT;
            final NotificationChannel channel = new NotificationChannel(channelId, context.getString(name), importance);
            if (description != null) {
                channel.setDescription(context.getString(description));
            }
            channel.setLightColor(notificationSettings.getDesiredLedColour());
            channel.setSound(notificationSettings.getSound(), new AudioAttributes.Builder()
                    .setUsage(AudioAttributes.USAGE_NOTIFICATION).setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION).build());
            channel.setVibrationPattern(notificationSettings.getDefaultVibratePattern());
            final NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
            notificationManager.createNotificationChannel(channel);
        }
    }

}