Custom BroadcastReceiver in Android

This example will show you how to create our own custom BroadCastReceiver in Android.

ScreenShots:

strings.xml:

<?xml version="1.0" encoding="utf-8"?>

<resources>

    <string name="app_name">CustomBroadcastReceiver</string>

    <string name="action_settings">Settings</string>

    <string name="hello_world">Hello world!</string>

    <string name="textview_title">Custom BroadCast Receiver example</string>

    <string name="button_title">Custom BroadCast</string>

</resources>

activity_main.xml:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity" >

    <Button

        android:id="@+id/button1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="108dp"

        android:text="@string/button_title" 

        android:onClick="customBroadCast"/>

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="18dp"

        android:text="@string/textview_title"

        android:textAppearance="?android:attr/textAppearanceLarge" />

</RelativeLayout>

CustomBroadCast.java:

package com.ram.custombroadcastreceiver;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.widget.Toast;

public class CustomBroadCast extends BroadcastReceiver {

@Override

public void onReceive(Context context, Intent arg1) {

 

Toast.makeText(context, "BroadCast Detected", Toast.LENGTH_LONG).show();

}

}

MainActivity.java:

package com.ram.custombroadcastreceiver;

import android.app.Activity;

import android.content.Intent;

import android.content.IntentFilter;

import android.os.Bundle;

import android.view.View;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

registerReceiver(new CustomBroadCast(), new IntentFilter(

"com.ram.CUSTOM_BROADCAST"));

}

public void customBroadCast(View v) {

Intent intent = new Intent();

intent.setAction("com.ram.CUSTOM_BROADCAST");

sendBroadcast(intent);

}

}

AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.ram.custombroadcastreceiver"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="19" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.ram.custombroadcastreceiver.MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

        <!--

        <receiver android:name="CustomBroadCast" >

            <intent-filter>

                <action android:name="com.ram.CUSTOM_BROADCAST" >

                </action>

            </intent-filter>

        </receiver>

        -->

    </application>

</manifest>