62.9 Registering the Broadcast Receiver

The project needs to publicize the presence of the broadcast receiver and must include an intent filter to specify the broadcast intents in which the receiver is interested. When the BroadcastReceiver class was created in the previous section, Android Studio automatically added a <receiver> element to the manifest file. All that remains, therefore, is to add code within the MainActivity.kt file to create an intent filter and to register the receiver:

package com.ebookfrenzy.sendbroadcast

 

import androidx.appcompat.app.AppCompatActivity

import android.os.Bundle

import android.content.Intent

import android.view.View

import android.content.IntentFilter

import android.content.BroadcastReceiver

 

class MainActivity : AppCompatActivity() {

 

    var receiver: BroadcastReceiver? = null

 

    override fun onCreate(savedInstanceState: Bundle?)...