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kotlinlang

Scenario

I have an Activity called Activity1, then inside has a Fragment1 all have the `@ContributeAndroidInjection`
and then if my Activity2 wants to inject Fragment1

Why I need to implement HasAndroidInjector and do the
```@Inject lateinit var androidInjector: DispatchingAndroidInjector&lt;Any&gt;
override fun androidInjector(): AndroidInjector&lt;Any&gt; = androidInjector```
to be able to use a Fragment that is already with `@ContributeAndroidInjection` ? If I remove this two lines it says :

&gt; RunTimeException:Unable to resume activity {MyActivity}: java.lang.IllegalArgumentException: No injector factory bound for Class&lt;MyClass&gt;
I thought that if I have this:
```@ContributesAndroidInjector(
 modules = [ FragmentProvider::class]
)
fun bindMyActivity2: Activity2```
It would work anyways, because I've add as a modules a module that has inside the `@ContributesAndroidInjector`  with that Fragment...
Is it because I need that `hasAndroidInjector`when I want to provide injection into a inner Fragment?

Dagger and hilt noob, but I didn't think that was possible (i.e. Injecting a fragment into an activity?)