dagger-2

This is my scenario: I want all my Activities to inherit from BaseActivity Within the BaseActivity , I want to inject Navigator (it helps me to manage the Fragments backstack and navigate between activities): abstract class BaseActivity : DaggerAppCompatActivity() { @Inject lateinit var navigator: Navigator @Inject lateinit var prefs: SharedPreferences // injected via AppModule.kt, see below. } The Navigator class needs a FragmentManager in its constructor: class Navigator @Inject constructor( val fragmentManager: FragmentManager) { // class body } I want to provide FragmentManager from a

what would it be the best practice about placing Presenters in a Scope? Could we have Presenters on @Singleton or @AppScope without any problem? Should they be placed in an @ActivityScope in order to destroy them each time the activity is destroyed? what would it be the best practice about placing Presenters in a Scope? Usually a presenter should be in some scope. Not placing it in any scope will lead to problems, as every time you request a presenter it would create a new one. Which scope you choose mostly depends on your programming style, but the most common would probably be @PerActivity ,