How to trigger a notification from your Android App? - Complete source code
This video shows the steps to write your own notification in your Android App.
In this video it uses a button to trigger the notification but in actual or commercial App various events can be used to trigger the notification.
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Complete source code and other details can be found in the below link:
https://programmerworld.co/android/ho...
However, the main Java code is copied below also for reference:
package com.programmerworld.mynotificationapp;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.NotificationCompat;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
public class MainActivity extends AppCompatActivity {
private String CHANNEL_ID = "My Notification";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void buttonSetNotification(View view){
Intent intentNotification = new Intent(this, MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intentNotification, PendingIntent.FLAG_UPDATE_CURRENT);
NotificationCompat.Builder builderNotificationCompat = new NotificationCompat.Builder(this, CHANNEL_ID)
.setContentIntent(pendingIntent)
.setContentTitle("My Notification")
.setContentText("My Notification text here.")
.setSmallIcon(android.R.drawable.btn_star_big_on);
NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
NotificationChannel notificationChannel = new NotificationChannel(CHANNEL_ID, "This is my first Notification", NotificationManager.IMPORTANCE_DEFAULT);
notificationManager.createNotificationChannel(notificationChannel);
notificationManager.notify(0,builderNotificationCompat.build());
}
}
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