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>
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