kingjinho

 fun setSmallIcon(smallIconRes: Int): NotificationBuilder {
        mNotificationBuilder.setSmallIcon(smallIconRes)
        return this
    }

    fun setTitle(titleRes: Int): NotificationBuilder {
        mNotificationBuilder.setContentTitle(CONTEXT.getString(titleRes))
        return this
    }

kingjinho

public static class Builder {
       ...
       ...
  
        CharSequence mContentTitle;
        CharSequence mContentText;
        PendingIntent mContentIntent;
        PendingIntent mFullScreenIntent;
        RemoteViews mTickerView;
        Bitmap mLargeIcon;

kingjinho

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        ...
        
        btn_display_basic_notification.setOnClickListener {
            NotificationBuilder.from(this)
                .createNotificationBuilder("HelloWorld")
                .setTitle(R.string.app_name)
                .setContent(R.string.app_name)
                .setSmallIcon(R.drawable.ic_baseline_add_circle_24)

kingjinho

package com.example.pushnotificaiton.utils.push

/**
 * Created by KING JINHO on 2020-06-23
 */
class NotificationBuilder {


    companion object {
        private lateinit var CHANNEL_ID: String

kingjinho

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <androidx.appcompat.widget.AppCompatButton
        android:id="@+id/btn_display_basic_notification"