Notification 보내기

일단 helper 만들기

NotificationHelper.java

package biz.riopapa.chatread.notification;


import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.pm.PackageManager;

import androidx.core.app.NotificationCompat;

public class NotificationHelper extends ContextWrapper {
    private static final String CHANNEL_ID = "channel_id";
    private static final int NOTIFICATION_ID = 1;
    private static String APP_NAME = "";
    public NotificationHelper(Context base) {
        super(base);
        createNotificationChannel();
        PackageManager packageManager = base.getPackageManager();
        try {
            APP_NAME = packageManager.getApplicationLabel(
                    packageManager.getApplicationInfo(base.getPackageName(), 0)).toString()
                    +  " - ";
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
    }

    private void createNotificationChannel() {
        NotificationChannel channel = new NotificationChannel(CHANNEL_ID, "Channel Name", NotificationManager.IMPORTANCE_DEFAULT);
        channel.setDescription("Channel Description");

        NotificationManager notificationManager = getSystemService(NotificationManager.class);
        notificationManager.createNotificationChannel(channel);
    }

    public void sendNotification(int bellType, String title, String text) {
        NotificationCompat.Builder builder = new NotificationCompat.Builder(this, CHANNEL_ID)
                .setSmallIcon(bellType)
                .setContentTitle(APP_NAME + title)
                .setContentText(text)
                .setAutoCancel(true)
                .setPriority(NotificationCompat.PRIORITY_HIGH)
                .setDefaults(NotificationCompat.DEFAULT_ALL);

        NotificationManager notificationManager = getSystemService(NotificationManager.class);
        notificationManager.notify(NOTIFICATION_ID, builder.build());
    }
}

 

 

notificationHelper.sendNotification(
        R.drawable.icon, header, text);