Csaba Kozák edited this page Mar 16, 2016 · 9 revisions

Since AndroidAnnotations 1.0

Standard Android System Service injection

Retrieving Android System Services requires remembering the name of the constant, and casting the retrieved object.

notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);


The @SystemService annotation indicates that an activity field should be injected with the corresponding Android System service.

It is the same as calling the Context.getSystemService() method.

Usage example:

public class MyActivity extends Activity {

  NotificationManager notificationManager;


Method based injection

Since AndroidAnnotations 4.0.0

public class MyActivity extends Activity {

  void setNotificationManager(NotificationManager notificationManager){
    // do something with notificationManager
  void setMultipleServices(@SystemService NotificationManager notificationManager, @SystemService AudioManager audioManager){
    // do something with notificationManager and audioManager


21/10/2018 The 4.5.2 release is out !

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