Android BroadcastReceiver

Broadcast Custom Intent

...
public class MainActivity extends Activity {

   /** Called when the activity is first created. */
   @Override
   public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
   }

   // broadcast the intent
   public void broadcastIntent(View view){
      Intent intent = new Intent();
      intent.setAction("com.teotigraphix.CUSTOM_INTENT");
      sendBroadcast(intent);
   }
}
...

ApplicationManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.example.teotigraphix.myapplication">

   <application
      android:allowBackup="true"
      android:icon="@mipmap/ic_launcher"
      android:label="@string/app_name"
      android:supportsRtl="true"
      android:theme="@style/AppTheme">

      <activity android:name=".MainActivity">
         <intent-filter>
            <action android:name="android.intent.action.MAIN" />

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

      <receiver android:name="CustomReceiver">
         <intent-filter>
            <action android:name="com.teotigraphix.CUSTOM_INTENT">
            </action>
         </intent-filter>

      </receiver>
   </application>

</manifest>

Receiver

...
public class CustomReciever extends BroadcastReciever {
   @Override
   public void onReceive(Context context, Intent intent) {
      Toast.makeText(context, "Intent Received.", Toast.LENGTH_LONG).show();
   }
}
...